CN106931159B - A kind of mode switch control method of transfer gear, apparatus and system - Google Patents
A kind of mode switch control method of transfer gear, apparatus and system Download PDFInfo
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- CN106931159B CN106931159B CN201511004367.1A CN201511004367A CN106931159B CN 106931159 B CN106931159 B CN 106931159B CN 201511004367 A CN201511004367 A CN 201511004367A CN 106931159 B CN106931159 B CN 106931159B
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- Prior art keywords
- gear
- transfer gear
- speed changer
- pattern switching
- request
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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
- F16H61/18—Preventing unintentional or unsafe shift, e.g. preventing manual shift from highest gear to reverse gear
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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
- F16H2061/1216—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 provides a kind of mode switch control methods of transfer gear, apparatus and system, it is related to automobile technical field, for solving when transfer gear carries out 4L pattern switching, leading to transfer gear because of speed changer incision driving gear or reverse gear shift, there is a phenomenon where beat tooth.The mode switch control method of the transfer gear include: when and meanwhile meet user's request transfer gear made to carry out 4L pattern switching and transfer gear and carrying out pattern switching and when speed changer be in neutral gear, refusal keeps off speed changer incision driving or the request of reverse gear shift;When meeting transfer gear completion pattern switching, response makes the request of shift of transmission.The present invention makes speed changer not to transfer gear input torque, preventing transfer gear, there is a phenomenon where beat tooth by the request for refusing to make speed changer incision driving gear or reverse gear shift when transfer gear carries out 4L pattern switching.The present invention is for preventing transfer gear from generating the generation for beating tooth phenomenon when carrying out 4L pattern switching.
Description
Technical field
The present invention relates to automobile technical field, in particular to a kind of mode switch control method of transfer gear, device and it is
System.
Background technique
Transfer gear is the significant components of automobile dynamic system, its main function is by the power distribution of dynamical system output
To forward and backward drive shaft, automobile four-wheel driving is realized.Transfer gear generally includes speed driving modes and low speed driving mode, high speed
Drive mode includes high speed 4 wheel driven mode (hereinafter referred to as 4H mode), two drive mode (2H mode) of high speed, low speed driving mode packet
Include low speed 4 wheel driven mode (hereinafter referred to as 4L mode), wherein when transfer gear is in 4L mode, transfer gear output can be improved
Torque, so that automobile smooth-ride under more complex road conditions, improves the kinetic stability of automobile;And when running car is relatively flat
When under suitable road conditions, then transfer gear can be made to be under speed driving modes, so that automobile speed with higher.Therefore, lead to
Crossing makes transfer gear carry out pattern switching, can improve kinetic stability of the vehicle under different road conditions, and can improve vehicle
Fuel economy and travel safety.
When making above-mentioned transfer gear carry out 4L pattern switching, when transfer gear being made to cut or cut out 4L mode, in order to make transfer
Device can go on smoothly 4L pattern switching, and automobile must satisfy the item that speed changer is in neutral gear (N gear) and speed is less than 5km/h
Part.However, due to transfer gear carry out 4L pattern switching when the required time it is longer (generally requiring 5s~7s), when transfer gear not
When completing 4L pattern switching, user makes speed changer cut out neutral gear, such as speed changer is made to be cut driving gear (D gear) by neutral gear or be moved backward
It keeps off (R gear), at this point, the limit that can be able to bear beyond the gear in transfer gear by the torque that speed changer passes to transfer gear,
So as to cause transfer gear, there is a phenomenon where beat tooth.
Summary of the invention
In view of this, the present invention is directed to propose a kind of mode switch control method of transfer gear, with solve when transfer gear into
When row 4L pattern switching, leading to transfer gear because of speed changer incision driving gear or reverse gear shift, there is a phenomenon where beat the technology of tooth to ask
Topic.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of mode switch control method of transfer gear, comprising:
Step 100: obtaining user's request makes whether the information of transfer gear progress pattern switching, the transfer gear are carrying out
The information of gear locating for the information and speed changer of pattern switching, and judge whether to meet simultaneously: user's request makes described point
Dynamic device carries out 4L pattern switching, and the transfer gear is carrying out pattern switching, and the speed changer is in neutral gear;
Step 200: when meet simultaneously user's request make the transfer gear carry out 4L pattern switching, the transfer gear into
When row pattern switching, the speed changer are in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;
Step 300: obtaining the transfer gear and whether complete the information of pattern switching, and judge whether to meet: the transfer
Device completes pattern switching;
Step 400: when meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission.
Further, the step 300 includes:
Step 310: setting the preset time that the transfer gear carries out pattern switching;
Step 320: the information whether transfer gear in the preset time completes pattern switching is obtained, when satisfaction exists
When the transfer gear completes pattern switching in the preset time, the step 400 is executed.
Further, the mode switch control method of the transfer gear further include:
Step 500: when being unsatisfactory for the transfer gear completion pattern switching in the preset time, forced response makes institute
State the request of shift of transmission;
Step 510: obtaining whether user re-requests the information for making the transfer gear carry out pattern switching, and judge whether
Meet: user, which re-requests, makes the transfer gear carry out pattern switching;The transfer gear is carried out when meeting user's re-request
When pattern switching, the step 100 is executed.
Further, after the step 200, before the step 300, the pattern switching controlling party of the transfer gear
Method includes:
Step 600: obtain whether user requests the information for making the shift of transmission, and judge whether to meet: user asks
Asking makes the shift of transmission;
Step 610: when meeting user's request makes the shift of transmission, obtaining whether user requests to make the speed changer
Cut the information of parking gear, and judge whether to meet: user's request makes the speed changer incision parking gear;
Step 620: when meeting user's request makes the speed changer incision parking gear, making the speed changer incision parking
Gear;
Step 630: when being unsatisfactory for user's request makes the speed changer incision parking gear, refusal makes the shift of transmission
Request, and to the combination instrument assembly of automobile send gear switch invalid signal, make the combination instrument assembly display figure
As information warning and/or make a sound information warning.
In the mode switch control method of transfer gear provided by the invention, when simultaneously, meeting speed changer is in neutral gear, user
When request makes transfer gear carry out 4L pattern switching, transfer gear is carrying out pattern switching, then refusal makes speed changer incision driving gear
Or the request of reverse gear shift;After refusal makes the request of speed changer incision driving gear or reverse gear shift, when transfer gear completes pattern switching
Afterwards, then the request for making shift of transmission is responded.Therefore, after refusal makes the request of speed changer incision driving gear or reverse gear shift, when
User issues when making speed changer incision driving gear or reverse gear shift, the letter that pattern switching is completed due to not receiving transfer gear at this time
Breath, thus refusal makes the request of speed changer incision driving gear or reverse gear shift, i.e., does not make speed changer incision driving to speed changer transmission
Gear or reverse gear shift instruction, speed changer do not cut into then driving gear or reverse gear shift, speed changer not to transfer gear output torque so that
Transfer gear carries out 4L pattern switching in the state that zero torque inputs, because passing to the torque of transfer gear without speed changer
The case where limit being able to bear beyond the gear in transfer gear, beats the hair of tooth phenomenon so as to avoid transfer gear from generating
It is raw.
Another object of the present invention is to provide a kind of mode transition controller of transfer gear, with solve when transfer gear into
When row 4L pattern switching, leading to transfer gear because of speed changer incision driving gear or reverse gear shift, there is a phenomenon where beat the technology of tooth to ask
Topic.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of mode transition controller of transfer gear, comprising:
Module is obtained, makes whether just transfer gear carries out the information of pattern switching, the transfer gear for obtaining user's request
The information of the gear locating for the information and speed changer for carrying out pattern switching;And whether the transfer gear completes pattern switching
Information;
Control module, user's request for being obtained according to the acquisition module make the transfer gear carry out pattern switching
Information, the transfer gear whether carrying out pattern switching information and the speed changer locating for gear information judgement
Whether meet simultaneously: user's request makes the transfer gear carry out 4L pattern switching, and the transfer gear is carrying out pattern switching,
And the speed changer is in neutral gear;And
The transfer gear progress 4L pattern switching, the transfer gear is set to carry out mode and cut when meeting user's request simultaneously
It changes, when the speed changer is in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear that the acquisition module obtains completes pattern switching: institute
It states transfer gear and completes pattern switching;And
When meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission.
Further, the control module is also used to set the preset time that the transfer gear carries out pattern switching;
The transfer gear progress 4L pattern switching, the transfer gear is set to carry out mode and cut when meeting user's request simultaneously
It changes, when the speed changer is in neutral gear, after refusal makes the request of the speed changer incision driving gear or reverse gear shift, the acquisition
Module obtains the information whether transfer gear in the preset time completes pattern switching;
The control module is also used to
The no information for completing pattern switching judges whether to meet: the transfer gear completes pattern switching in the preset time;And
When being unsatisfactory for the transfer gear completion pattern switching in the preset time, response makes the shift of transmission
Request.
Further, the transfer gear is made to carry out 4L pattern switching, the transfer gear when meeting user's request simultaneously
When carrying out pattern switching, the speed changer and be in neutral gear, the control module refusal makes the speed changer incision driving gear or
After the request of car bumper, the control module according to it is described acquisition module obtain the transfer gear whether complete pattern switching
Information judges whether to meet: before the transfer gear completes pattern switching, the acquisition module obtains whether user requests to make institute
State the information of shift of transmission;And whether user requests the information for making the speed changer incision parking gear;
The control module is used for whether requesting to make the shift of transmission according to the user that the acquisition module obtains
Information judges whether to meet: user's request makes the shift of transmission;And
When meeting user's request makes the shift of transmission, whether request to make according to the user that the acquisition module obtains
The information of the speed changer incision parking gear judges whether to meet: user's request makes the speed changer incision parking gear;And
When meeting user's request makes the speed changer incision parking gear, make the speed changer incision parking gear;And
When being unsatisfactory for user's request makes the speed changer incision parking gear, refusal is kept to make the speed changer incision driving
The request of gear or reverse gear shift, and send gear to the combination instrument assembly of automobile and switch invalid signal, make the combination instrument
Assembly shows image information warning and/or makes a sound information warning.
The mode switch control method of the mode transition controller of the transfer gear and above-mentioned transfer gear is relative to existing
Advantage possessed by technology is identical, and details are not described herein.
Another object of the present invention, which also resides in, provides a kind of mode switching control system of transfer gear, to solve to work as transfer gear
When carrying out 4L pattern switching, leading to transfer gear because of speed changer incision driving gear or reverse gear shift, there is a phenomenon where beat the technology of tooth to ask
Topic.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of mode switching control system of transfer gear, comprising:
Body electronics systems stabilisation, the information for making transfer gear carry out pattern switching for obtaining user;
Transfer gear electronic control unit, for obtaining whether the transfer gear is carrying out the information of pattern switching and described
Whether transfer gear completes the information of pattern switching;
Speed changer electronic control unit connects with the body electronics systems stabilisation and the transfer gear electronic control unit signal respectively
It connects, for obtaining the information of gear locating for speed changer, and for making the transfer gear carry out pattern switching according to user's request
Information, the transfer gear whether carrying out pattern switching information and the speed changer locating for the information of gear sentence
Whether disconnected to meet simultaneously: user's request makes the transfer gear carry out 4L pattern switching, and the transfer gear is carrying out mode and cutting
It changes, and the speed changer is in neutral gear;And
The transfer gear progress 4L pattern switching, the transfer gear is set to carry out mode and cut when meeting user's request simultaneously
It changes, when the speed changer is in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear completes pattern switching: the transfer gear is completed mode and is cut
It changes;And
When meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission.
Further, the speed changer electronic control unit be also used to set the transfer gear carry out pattern switching it is default when
Between;
The transfer gear progress 4L pattern switching, the transfer gear is set to carry out mode and cut when meeting user's request simultaneously
It changes, when the speed changer is in neutral gear, after refusal makes the request of the speed changer incision driving gear or reverse gear shift, the transfer
Device electronic control unit obtains the information whether transfer gear in the preset time completes pattern switching;
Whether the speed changer electronic control unit is also used to basis transfer gear in the preset time, which completes mode, is cut
The information changed judges whether to meet: the transfer gear completes pattern switching in the preset time;And
When being unsatisfactory for the transfer gear completion pattern switching in the preset time, response makes the shift of transmission
Request.
Further, the mode switching control system of the transfer gear further includes electric gear change electronic control unit and combination instrument
Assembly, the electric gear change electronic control unit and the combination instrument assembly are connect with the speed changer electronic control unit signal respectively;
The transfer gear progress 4L pattern switching, the transfer gear is set to carry out mode and cut when meeting user's request simultaneously
It changes, when the speed changer is in neutral gear, the speed changer electronic control unit refusal makes the speed changer incision driving gear or reverse gear shift
Request after, the speed changer electronic control unit judged whether according to the information whether transfer gear completes pattern switching it is full
Foot: before the transfer gear completes pattern switching, the electric gear change electronic control unit obtains whether user requests to make the speed change
The information of device shift;And whether user requests the information for making the speed changer incision parking gear;
Whether the speed changer electronic control unit is used to request the information for making the shift of transmission to judge whether according to user
Meet: user's request makes the shift of transmission;And
When meeting user's request makes the shift of transmission, whether requested that the speed changer is made to cut parking according to user
The information of gear judges whether to meet: user's request makes the speed changer incision parking gear;And
When meeting user's request makes the speed changer incision parking gear, make the speed changer incision parking gear;And
When being unsatisfactory for user's request makes the speed changer incision parking gear, refusal is kept to make the speed changer incision driving
The request of gear or reverse gear shift, and send gear to the combination instrument assembly and switch invalid signal, keep the combination instrument total
At display image information warning and/or make a sound information warning.
The mode transition controller of the mode switching control system of the transfer gear and above-mentioned transfer gear is relative to existing
Advantage possessed by technology is identical, and details are not described herein.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of flow chart of the mode switch control method of transfer gear provided in an embodiment of the present invention;
Fig. 2 is the flow chart of the mode switch control method of another transfer gear provided in an embodiment of the present invention;
Fig. 3 is the flow chart of the mode switch control method of another transfer gear provided in an embodiment of the present invention;
Fig. 4 is the structural schematic diagram of the mode transition controller of transfer gear provided in an embodiment of the present invention;
Fig. 5 is the structural schematic diagram of the mode switching control system of transfer gear provided in an embodiment of the present invention.
Description of symbols:
10- acquisition module, 20- control module,
30- body electronics systems stabilisation, 40- transfer gear electronic control unit,
50- speed changer electronic control unit, 60- electric gear change electronic control unit,
70- combination instrument assembly.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig. 1, the mode switch control method of transfer gear provided in an embodiment of the present invention includes:
Step 100: obtaining user's request makes whether the information of transfer gear progress pattern switching, transfer gear are carrying out mode
The information of gear locating for the information and speed changer of switching, and judge whether to meet simultaneously: user's request carries out transfer gear
4L pattern switching, and transfer gear is carrying out pattern switching, and speed changer is in neutral gear;
Step 200: so that transfer gear progress 4L pattern switching, transfer gear is being carried out mode and is being cut when meeting user's request simultaneously
It changes, when speed changer is in neutral gear, refusal makes the request of speed changer incision driving gear or reverse gear shift;
Step 300: obtain whether transfer gear completes the information of pattern switching, and judge whether to meet: transfer gear completes mould
Formula switching;
Step 400: when meeting transfer gear completion pattern switching, response makes the request of shift of transmission.
For example, so that transfer gear cuts 4L mode to illustrate the detailed process of the embodiment of the present invention: user, which issues, to be made
Transfer gear cuts the request of 4L mode, and speed changer of concurrently sening as an envoy to cuts the request of neutral gear;Body electronics systems stabilisation
After (Electronic Stability Program, ESP) receives the request for making transfer gear incision 4L mode of user's sending,
By user request make transfer gear incision 4L mode information be sent respectively to transfer gear electronic control unit (Torque On Demand,
TOD) and speed changer electronic control unit (Transmission Control Unit, TCU), transfer gear electronic control unit (Torque On
Demand, TOD) receive user request make transfer gear incision 4L mode information after, to transfer gear transmission make transfer gear cut 4L
The instruction of mode, transfer gear start a cut through 4L mode, and transfer gear electronic control unit sends out the information that transfer gear is cutting 4L mode
Give speed changer electronic control unit;After electric gear change electronic control unit receives the request for making speed changer incision neutral gear of user's sending,
The information of speed changer incision neutral gear is set to be sent to speed changer electronic control unit user's request, speed changer electronic control unit receives user and asks
After seeking the information for making speed changer incision neutral gear, the instruction for making speed changer incision neutral gear is sent to speed changer, speed changer then cuts sky
Gear.
Speed changer electronic control unit, which receives user's request that body electronics systems stabilisation is sent, makes transfer gear incision 4L mode
The transfer gear that information, transfer gear electronic control unit are sent is cutting the information of 4L mode, and obtains gear locating for speed changer
Information;Speed changer electronic control unit judges whether to meet simultaneously according to above- mentioned information: speed changer is in neutral gear and user's request makes point
Dynamic device incision 4L mode and transfer gear is cutting 4L mode, if it is judged that be it is yes, speed changer electronic control unit is then refused to make
The request of speed changer incision driving gear or reverse gear shift, that is to say, that speed changer electronic control unit starts neutral gear locking, makes gear shift lock
It is scheduled on neutral gear, when user's request that speed changer electronic control unit is sent according to electric gear change electronic control unit makes the information of shift of transmission
Judge whether to meet: user's request makes speed changer incision driving gear or reverse gear shift, when the conditions are satisfied, the automatically controlled list of speed changer
First automatic shield information, i.e. refusal make speed changer incision driving gear or reverse gear shift.
After speed changer electronic control unit refusal makes the request of speed changer incision driving gear or reverse gear shift, transfer gear electronic control unit
Whether detection transfer gear completes the information of incision 4L mode, and the information whether transfer gear completes incision 4L mode is passed to change
Fast device electronic control unit;Speed changer electronic control unit receives whether the transfer gear that transfer gear electronic control unit is sent completes incision 4L mode
Information, and judge whether to meet according to the information whether transfer gear completes incision 4L mode: transfer gear completes incision 4L mode, when
Judging result be it is yes, speed changer electronic control unit then begins to respond to the instruction for making shift of transmission to speed changer, that is to say, that this
When, user issues after making the request of shift of transmission, and user's request is made the information of shift of transmission by electric gear change electronic control unit
It is sent to speed changer electronic control unit, speed changer electronic control unit then issues the instruction for making shift of transmission to speed changer, and speed changer is then
It shifts gears, for example, user issues the request for making speed changer incision driving gear, user's request is made to become by electric gear change electronic control unit
The information of fast device incision driving gear is sent to speed changer electronic control unit, and speed changer electronic control unit then makes speed changer to speed changer sending
The instruction of incision driving gear, speed changer then cut driving gear, and automobile then can be in 4L mode downward driving.
Above-mentioned example lists the control method for making transfer gear incision 4L mode, and transfer gear is made to cut out 4L mould if necessary
Formula, control method are similar to the transfer gear incision control method of 4L mode is made.
From the foregoing, it will be observed that in the mode switch control method of transfer gear provided in an embodiment of the present invention, when meeting speed change simultaneously
When device is in neutral gear, user's request makes transfer gear carry out 4L pattern switching, transfer gear is carrying out pattern switching, then refusal makes to become
The request of fast device incision driving gear or reverse gear shift;After refusal makes the request of speed changer incision driving gear or reverse gear shift, work as transfer
After device completes pattern switching, then response makes the request of shift of transmission.Therefore, refusal makes speed changer incision driving gear or reverse gear shift
Request after, make speed changer incision driving gear or when reverse gear shift when user issues, it is complete due to not receiving transfer gear at this time
At the information of pattern switching, thus refusal makes the request of speed changer incision driving gear or reverse gear shift, i.e., does not make to speed changer transmission
The instruction of speed changer incision driving gear or reverse gear shift, speed changer do not cut into driving gear or reverse gear shift then, and speed changer is not to transfer
Device output torque, so that transfer gear carries out 4L pattern switching in the state that zero torque inputs, because passing without speed changer
The case where passing the limit that the torque of transfer gear is able to bear beyond the gear in transfer gear, so as to avoid transfer gear from producing
The raw generation for beating tooth phenomenon.
Secondly as transfer gear, during carrying out 4L pattern switching, refusal makes speed changer incision driving gear or reversing
The request of gear, i.e. speed changer will not convey torque to transfer gear, so that transfer gear does not have torque input, thus can make transfer
Device carries out 4L pattern switching under zero torque input state, so that transfer gear will not be because there is torque when carrying out 4L pattern switching
It inputs and influences transfer gear and carry out 4L pattern switching, so that transfer gear be made smoothly to carry out 4L pattern switching;Again, with existing skill
The mechanical structures such as lockable mechanism, the unlocking mechanism being connect by setting with transmission shift lever in art, to prevent shift of transmission
Bar cuts out neutral gear when transfer gear carries out 4L pattern switching and compares, the pattern switching control of transfer gear provided in an embodiment of the present invention
Method no setting is required mechanical structure, thus the development difficulty and development cost of automobile can be reduced, while can also prevent because of machine
Tool structure breaks down and impacts to the 4L pattern switching of transfer gear;Furthermore change speed changer with passing through in the prior art
Shift gears hydraulic circuit, the special hydraulic implementation strategy of setting, with prevent when transfer gear carries out 4L pattern switching speed changer to point
Dynamic device output torque is compared, and the mode switch control method of transfer gear provided in an embodiment of the present invention only need to be enterprising in software view
Row change, the logic checking period is shorter, reduces the development difficulty and development cost of automobile.
It is noted that the gear of automobile in the prior art generally includes automatic catch and manual gear, thus, when simultaneously
Meeting user's request makes transfer gear carry out 4L pattern switching, when transfer gear is carrying out pattern switching, speed changer be in neutral gear, change
Fast device electronic control unit refusal uses the request of speed changer incision driving gear or reverse gear shift at this point, automobile is made to be in manual gear state
When gear lever is cut driving gear or reverse gear shift by family, speed changer electronic control unit can also be refused to make speed changer incision driving gear or reversing
Gear causes transfer gear generation to beat tooth phenomenon to prevent speed changer incision driving gear or reverse gear shift.Certainly, meet user when simultaneously
When request makes transfer gear progress 4L pattern switching, transfer gear is carrying out pattern switching, speed changer is in neutral gear, speed changer is automatically controlled
Unit refusal makes the request of speed changer incision driving gear or reverse gear shift, at this point, if automobile is in automatic catch state, speed changer electricity
Control unit can refuse the request for making automobile switch to manual gear by automatic catch.
In the above-described embodiments, in order to further make transfer gear go on smoothly 4L pattern switching, referring to Fig. 2, the step
Rapid 300 include:
Step 310: setting transfer gear carries out the preset time of pattern switching;
Step 320: the information whether transfer gear within a preset time completes pattern switching is obtained, when satisfaction is in preset time
When interior transfer gear completes pattern switching, step 400 is executed.
When it is implemented, speed changer electronic control unit makes transfer gear carry out the information of pattern switching, transfer according to user's request
Device whether carrying out pattern switching information and speed changer locating for gear information, judgement learn while meeting: speed change
When device, which is in neutral gear, and user requests makes transfer gear carry out 4L pattern switching and transfer gear is carrying out pattern switching, speed changer
After electronic control unit refusal makes the request of speed changer incision driving gear or reverse gear shift, speed changer electronic control unit is according to being previously set
What user issued makes each request transfer gear of transfer gear progress pattern switching attempt to carry out the number of pattern switching, sets transfer
Device carries out the preset time of pattern switching, for example, for each request for making transfer gear carry out pattern switching that user issues, point
Dynamic device attempts to carry out 3 pattern switchings, and if transfer gear is failed in carrying out tertiary mode switching, then transfer gear abandons this
Pattern switching, makes transfer gear carry out pattern switching again if necessary, then needs to re-emit request, in general, transfer gear carries out
The time of pattern switching is 5s~7s, and the time longest that transfer gear carries out tertiary mode switching is then 21s, while in order to stay
The response time of transfer gear out, the then preset time that transfer gear carries out pattern switching can be set as 25s.
After speed changer electronic control unit sets the preset time that transfer gear carries out pattern switching, transfer gear electronic control unit is obtained
Whether transfer gear completes the information of pattern switching in preset time, for example, transfer gear carries out the preset time setting of pattern switching
For 25s, then when carrying out pattern switching since transfer gear, whether transfer gear electronic control unit obtains transfer gear, which completes mode, is cut
It changes, if transfer gear completes the information of pattern switching in 25s, speed changer electronic control unit if releases neutral gear locking, begins to respond to
Make the request of shift of transmission;If transfer gear does not complete pattern switching in 25s, sent out to transfer gear if transfer gear electronic control unit
The instruction for switching transfer gear stop mode is sent, then compulsory commutation neutral gear locks speed changer electronic control unit, and begins to respond to make to become
The request of fast device shift.
By carrying out mode switching set preset time to transfer gear, when transfer gear completion mode is cut within a preset time
It changes, speed changer electronic control unit then releases neutral gear locking, begins to respond to the request for making shift of transmission;When transfer within a preset time
Device does not complete pattern switching, and transfer gear electronic control unit then sends the instruction for switching transfer gear stop mode, speed change to transfer gear
Then compulsory commutation neutral gear locks device electronic control unit, and begins to respond to the request for making shift of transmission.Be designed in this way, can prevent because
Transfer gear is not successfully completed pattern switching in finite number of time or finite time and falls into endless loop.
Please continue to refer to Fig. 2, the mode switch control method of transfer gear provided in an embodiment of the present invention further include:
Step 500: when being unsatisfactory for transfer gear completion pattern switching within a preset time, forced response makes shift of transmission
Request;
Step 510: obtaining whether user re-requests the information for making transfer gear carry out pattern switching, and judge whether full
Foot: user, which re-requests, makes transfer gear carry out pattern switching;When meeting user's re-request makes transfer gear carry out pattern switching,
Execute step 100.
When it is implemented, pattern switching ought not completed transfer gear within a preset time, transfer gear electronic control unit is then to transfer
Device sends the instruction for switching transfer gear stop mode, and then compulsory commutation neutral gear locks speed changer electronic control unit, and begins to respond to
After making the request of shift of transmission, usually request makes the knob of transfer gear progress pattern switching or key be still in 4L mode
Under state, i.e., request resets the relative knobs of transfer gear progress pattern switching or key not, at this time body electronics systems stabilisation
The information that user's request makes transfer gear carry out pattern switching is then obtained, and respectively to speed changer electronic control unit and the automatically controlled list of transfer gear
Member send user request make transfer gear carry out pattern switching information, speed changer electronic control unit according to user request make transfer gear into
Whether the state that the information of row pattern switching judges that user's request makes transfer gear carry out pattern switching changes, if so, using
Family, which re-requests, makes transfer gear carry out pattern switching, thens follow the steps 100, if not provided, i.e. user does not re-request and makes transfer
Device carries out pattern switching, then response is kept to make the request of shift of transmission.
For example, pattern switching ought not completed transfer gear within a preset time, transfer gear electronic control unit is then sent to transfer gear
The instruction for switching transfer gear stop mode, then compulsory commutation neutral gear locks speed changer electronic control unit, and begins to respond to make speed change
After the request of device shift, the knob that request makes transfer gear carry out pattern switching is still under 4L mode state, when user needs
When transfer gear being requested to carry out 4L pattern switching, then knob is threaded to reset state and is then threaded to 4L mode state again, at this point,
Body electronics systems stabilisation then obtains the information that user's request makes transfer gear carry out pattern switching, and respectively to the automatically controlled list of speed changer
Member and transfer gear electronic control unit send user request make transfer gear carry out pattern switching information, speed changer electronic control unit according to
The information judgement that family request makes transfer gear carry out pattern switching learns that user's request has the state of transfer gear progress pattern switching
Variation, thens follow the steps 100.
Please continue to refer to Fig. 2, in the embodiment of the present invention, after step 200, before step 300, the mode of transfer gear is cut
Changing control method includes:
Step 600: obtain whether user requests the information for making shift of transmission, and judge whether to meet: user's request makes
Shift of transmission;
Step 610: when meeting user's request makes shift of transmission, obtaining whether user requests that speed changer is made to cut parking
The information of gear, and judge whether to meet: user's request makes speed changer incision parking gear;
Step 620: when meeting user's request makes speed changer incision parking gear, making speed changer incision parking gear;
Step 630: when being unsatisfactory for user's request makes speed changer incision parking gear, refusal makes the request of shift of transmission,
And send gear to the combination instrument assembly of automobile and switch invalid signal, so that combination instrument assembly is shown image information warning
And/or make a sound information warning.
When it is implemented, when transfer gear does not complete 4L pattern switching, when electric gear change electronic control unit detects that user sends out
It sends as an envoy to the request of shift of transmission, then sending user's request to speed changer electronic control unit makes the request of shift of transmission, speed changer
Electronic control unit makes the request of shift of transmission judge whether user requests to make speed changer incision parking gear according to user's request, if
It is that speed changer electronic control unit then sends the instruction for keeping off speed changer incision parking to speed changer, speed changer then cuts parking gear, this
When speed changer electronic control unit do not release neutral gear locking;If it is not, speed changer electronic control unit is then refused to make shift of transmission
Request, and send gear to the combination instrument assembly of automobile and switch invalid signal, combination instrument assembly receives gear and switches nothing
After the signal of effect, by showing image information warning on display panel and/or making a sound information warning by loudspeaker, remind
User's request is invalid.Image information warning may include " current shift switching request is invalid ", also may include " transfer gear 4L
In pattern switching, D/R gear cannot be introduced into " etc..The frequency of sound information warning can be 1Hz.It is shown by combination instrument assembly
Image information warning and/or information warning is made a sound, to remind the switching of user's gear invalid, can prevent from avoiding cutting because of gear
Change the fear for causing user in vain.
It is noted that can only pass through display after combination instrument assembly receives gear and switches invalid signal
Display panel image information warning only can make a sound information warning by loudspeaker, can also pass through display panel simultaneously
It shows image information warning, information warning is made a sound by loudspeaker.Preferably, it is cut when combination instrument assembly receives gear
After changing invalid signal, while image information warning is shown by display panel, information warning is made a sound by loudspeaker.Sound
The sending of sound information warning can prevent from generating probably due to the image information warning shown by user not to be noted display panel
Unbearably.
In the above-described embodiments, speed changer electronic control unit makes the information of shift of transmission judge to learn not according to user's request
After meeting the condition that user's request makes speed changer incision parking gear, speed changer electronic control unit sends gear to combination instrument assembly and cuts
Invalid signal is changed, and so that combination instrument assembly is shown image information warning and/or makes a sound information warning.In practical application
In, referring to Fig. 3, voluntarily the information of shift of transmission can also be made to judge whether according to user's request by combination instrument assembly
Meet: user request make speed changer incision parking gear, if it is not, combination instrument assembly then show image information warning and/or
Make a sound information warning.It specifically includes:
Step 700: combination instrument assembly obtains the information of the gear of speed changer and whether speed changer electronic control unit is refused
Make the request of speed changer incision driving gear or reverse gear shift, and judge whether to meet simultaneously: speed changer is in neutral gear, and speed changer electricity
Control unit refusal makes the request of speed changer incision driving gear or reverse gear shift;
Step 710: being in neutral gear when meeting speed changer simultaneously, and speed changer electronic control unit refusal makes speed changer incision driving
When the request of gear or reverse gear shift, combination instrument assembly obtains whether user requests the information for making speed changer incision parking gear, and sentences
Whether disconnected to meet: user's request makes speed changer incision parking gear;
Step 720: when being unsatisfactory for user's request makes speed changer incision parking gear, combination instrument assembly shows image warning
Information and/or make a sound information warning.
It is noted that in the above-described embodiments, signal is in speed changer electronic control unit, transfer gear electronic control unit, vehicle body
Electric stabilizing system, electric gear change electronic control unit when being transmitted between combination instrument assembly, can be and passed by harness
It send, is also possible to be transmitted by controller local area network's (Controller Area Network, CAN network), i.e., need to
The signal to be transmitted casting, other units or system then distinguish image processor coherent signal.
Referring to Fig. 4, the embodiment of the present invention also provides a kind of mode transition controller of transfer gear, comprising:
Module 10 is obtained, makes whether transfer gear carries out the information of pattern switching, transfer gear for obtaining user's request
The information of gear locating for the information and speed changer of progress pattern switching;And whether transfer gear completes the information of pattern switching;
Control module 20, the letter for making transfer gear carry out pattern switching according to user's request that module 10 obtains is obtained
Breath, transfer gear whether carrying out pattern switching information and speed changer locating for gear information judge whether it is full simultaneously
Foot: user's request makes transfer gear carry out 4L pattern switching, and transfer gear is carrying out pattern switching, and speed changer is in neutral gear;
And
Transfer gear progress 4L pattern switching, transfer gear is set to carry out pattern switching, speed change when meeting user's request simultaneously
When device is in neutral gear, refusal makes the request of speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear for obtaining the acquisition of module 10 completes pattern switching: transfer gear is complete
At pattern switching;And
When meeting transfer gear completion pattern switching, response makes the request of shift of transmission.
Using the mode transition controller of above-mentioned transfer gear, 4L mode initiatively can be carried out in transfer gear to speed changer
State when switching is controlled, thus can prevent from carrying out gear shift operation when transfer gear carries out 4L pattern switching because of speed changer
And make speed changer to transfer gear output torque, to prevent from being greater than in transfer gear because of speed changer to the torque that transfer gear exports
The limit that gear is able to bear and lead to transfer gear there is a phenomenon where beat tooth.
Preferably, in the mode transition controller of above-mentioned transfer gear, control module 20 be also used to set transfer gear into
The preset time of row pattern switching;
Transfer gear progress 4L pattern switching, transfer gear is set to carry out pattern switching, speed change when meeting user's request simultaneously
When device is in neutral gear, after refusal makes the request of speed changer incision driving gear or reverse gear shift, obtains module 10 and obtain when default
Whether interior transfer gear completes the information of pattern switching;
Control module 20 is also used to cut according to whether the transfer gear within a preset time for obtaining the acquisition of module 10 completes mode
The information changed judges whether to meet: transfer gear completes pattern switching within a preset time;And
When being unsatisfactory for transfer gear completion pattern switching within a preset time, response makes the request of shift of transmission.
Preferably, it is carrying out mode and is cutting when meeting user's request simultaneously transfer gear is made to carry out 4L pattern switching, transfer gear
Change, when speed changer is in neutral gear, control module 20 refuse to make the request of speed changer incision driving gear or reverse gear shift after, control mould
Block 20 judges whether to meet according to the information whether transfer gear for obtaining the acquisition of module 10 completes pattern switching: transfer gear completes mould
Before formula switching, obtains module 10 and obtain whether user requests the information for making shift of transmission;And whether user requests to make speed change
Device cuts the information of parking gear;
Whether control module 20 is used to request the information for making shift of transmission to judge according to the user for obtaining the acquisition of module 10
Whether meet: user's request makes shift of transmission;And
When meeting user's request makes shift of transmission, whether request to make speed changer according to the user for obtaining the acquisition of module 10
The information of incision parking gear judges whether to meet: user's request makes speed changer incision parking gear;And
When meeting user's request makes speed changer incision parking gear, make speed changer incision parking gear;And
When being unsatisfactory for user's request makes speed changer incision parking gear, refusal makes the request of shift of transmission, and to automobile
Combination instrument assembly send gear and switch invalid signal, so that combination instrument assembly is shown image information warning and/or sending
Sound information warning.
The method that above-mentioned offer may be implemented in the mode transition controller of transfer gear provided in an embodiment of the present invention is implemented
Example, concrete function realize the explanation referred in embodiment of the method, and details are not described herein.
Referring to Fig. 4, the embodiment of the present invention additionally provides a kind of mode switching control system of transfer gear simultaneously, comprising:
Body electronics systems stabilisation 30, the information for making transfer gear carry out pattern switching for obtaining user;
Whether transfer gear electronic control unit 40 is carrying out the information and transfer gear of pattern switching for obtaining transfer gear
Whether the information of pattern switching is completed;
Speed changer electronic control unit 50 is connect with body electronics systems stabilisation 30 and 40 signal of transfer gear electronic control unit respectively,
For obtaining the information of gear locating for speed changer, and for according to user's request make transfer gear carry out pattern switching information,
Transfer gear whether carrying out pattern switching information and speed changer locating for the information of gear judge whether to meet simultaneously:
User's request makes transfer gear carry out 4L pattern switching, and transfer gear is carrying out pattern switching, and speed changer is in neutral gear;And
Transfer gear progress 4L pattern switching, transfer gear is set to carry out pattern switching, speed change when meeting user's request simultaneously
When device is in neutral gear, refusal makes the request of speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear completes pattern switching: transfer gear completes pattern switching;And
When meeting transfer gear completion pattern switching, response makes the request of shift of transmission.
Using the mode switching control system of above-mentioned transfer gear, 4L mode initiatively can be carried out in transfer gear to speed changer
State when switching is controlled, thus can prevent from carrying out gear shift operation when transfer gear carries out 4L pattern switching because of speed changer
And make speed changer to transfer gear output torque, to prevent from being greater than in transfer gear because of speed changer to the torque that transfer gear exports
The limit that gear is able to bear and lead to transfer gear there is a phenomenon where beat tooth.
Preferably, speed changer electronic control unit 50 is also used to set the preset time that transfer gear carries out pattern switching;
Transfer gear progress 4L pattern switching, transfer gear is set to carry out pattern switching, speed change when meeting user's request simultaneously
When device is in neutral gear, after refusal makes the request of speed changer incision driving gear or reverse gear shift, transfer gear electronic control unit 40 is obtained
Whether transfer gear completes the information of pattern switching in preset time;
Speed changer electronic control unit 50 is also used to be sentenced according to the information that whether transfer gear completes pattern switching within a preset time
Whether disconnected to meet: transfer gear completes pattern switching within a preset time;And
When being unsatisfactory for transfer gear completion pattern switching within a preset time, response makes the request of shift of transmission.
Preferably, the mode switching control system of above-mentioned transfer gear further includes electric gear change electronic control unit 60 and combination instrument
Assembly 70, electric gear change electronic control unit 60 and combination instrument assembly 70 are connect with 50 signal of speed changer electronic control unit respectively;
Transfer gear progress 4L pattern switching, transfer gear is set to carry out pattern switching, speed change when meeting user's request simultaneously
When device is in neutral gear, speed changer electronic control unit 50 refuse make speed changer incision driving gear or reverse gear shift request after, speed changer
Electronic control unit 50 judges whether to meet according to the information whether transfer gear completes pattern switching: transfer gear complete pattern switching it
Before, electric gear change electronic control unit 60 obtains whether user requests the information for making shift of transmission;And whether user requests to make speed change
Device cuts the information of parking gear;
Whether speed changer electronic control unit 50 is used to request the information for making shift of transmission to judge whether to meet according to user: using
Family request makes shift of transmission;And
When meeting user's request makes shift of transmission, the information for making speed changer incision parking gear whether is requested according to user
Judge whether to meet: user's request makes speed changer incision parking gear;And
When meeting user's request makes speed changer incision parking gear, make speed changer incision parking gear;And
When being unsatisfactory for user's request makes speed changer incision parking gear, refusal makes the request of shift of transmission, and to combination
Instrument assembly 70 sends gear and switches invalid signal, and combination instrument assembly 70 is made to show image information warning and/or sending sound
Sound information warning.
The method that above-mentioned offer may be implemented in the mode switching control system of transfer gear provided in an embodiment of the present invention is implemented
Example, concrete function realize the explanation referred in embodiment of the method, and details are not described herein.
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 (7)
1. a kind of mode switch control method of transfer gear characterized by comprising
Step 100: obtaining user's request makes whether the information of transfer gear progress pattern switching, the transfer gear are carrying out mode
The information of gear locating for the information and speed changer of switching, and judge whether to meet simultaneously: user's request makes the transfer gear
4L pattern switching is carried out, and the transfer gear is carrying out pattern switching, and the speed changer is in neutral gear;
Step 200: so that the transfer gear progress 4L pattern switching, the transfer gear is being carried out mould when meeting user's request simultaneously
When formula switching, the speed changer are in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;
Step 300: obtain the transfer gear and whether complete the information of pattern switching, and judge whether to meet: the transfer gear is complete
At pattern switching;
Step 400: when meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission;
After the step 200, before the step 300, the mode switch control method of the transfer gear includes:
Step 600: obtain whether user requests the information for making the shift of transmission, and judge whether to meet: user's request makes
The shift of transmission;
Step 610: when meeting user's request makes the shift of transmission, obtaining whether user requests to cut the speed changer
The information of parking gear, and judge whether to meet: user's request makes the speed changer incision parking gear;
Step 620: when meeting user's request makes the speed changer incision parking gear, making the speed changer incision parking gear;
Step 630: when being unsatisfactory for user's request makes the speed changer incision parking gear, refusal makes asking for the shift of transmission
It asks, and sends gear to the combination instrument assembly of automobile and switch invalid signal, the combination instrument assembly is made to show that image is alert
Show information and/or makes a sound information warning.
2. the mode switch control method of transfer gear according to claim 1, which is characterized in that the step 300 includes:
Step 310: setting the preset time that the transfer gear carries out pattern switching;
Step 320: the information whether transfer gear in the preset time completes pattern switching is obtained, when satisfaction is described
When the transfer gear completes pattern switching in preset time, the step 400 is executed.
3. the mode switch control method of transfer gear according to claim 2, which is characterized in that the mode of the transfer gear
Method for handover control further include:
Step 500: when being unsatisfactory for the transfer gear completion pattern switching in the preset time, forced response makes the change
The request of fast device shift;
Step 510: obtaining whether user re-requests the information for making the transfer gear carry out pattern switching, and judge whether full
Foot: user, which re-requests, makes the transfer gear carry out pattern switching;The transfer gear is set to carry out mould when meeting user's re-request
When formula switches, the step 100 is executed.
4. a kind of mode transition controller of transfer gear characterized by comprising
It obtains module (10), makes whether just transfer gear carries out the information of pattern switching, the transfer gear for obtaining user's request
The information of the gear locating for the information and speed changer for carrying out pattern switching;And whether the transfer gear completes pattern switching
Information;
Control module (20), user's request for being obtained according to acquisition module (10) cut the transfer gear progress mode
The information changed, the transfer gear whether carrying out pattern switching information and the speed changer locating for gear information
Judge whether to meet simultaneously: user's request makes the transfer gear carry out 4L pattern switching, and the transfer gear is carrying out mode
Switching, and the speed changer is in neutral gear;And
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear that acquisition module (10) obtains completes pattern switching: institute
It states transfer gear and completes pattern switching;And
When meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission;
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, control module (20) refusal makes the request of the speed changer incision driving gear or reverse gear shift
Later, whether the control module (20) completes the letter of pattern switching according to the transfer gear that acquisition module (10) obtains
Breath judges whether to meet: before the transfer gear completes pattern switching, the acquisition module (10) obtains whether user requests to make
The information of the shift of transmission;And whether user requests the information for making the speed changer incision parking gear;
The control module (20) is used for whether requesting to change the speed changer according to the user that acquisition module (10) obtains
The information of gear judges whether to meet: user's request makes the shift of transmission;And
When meeting user's request makes the shift of transmission, whether request to make according to the user that acquisition module (10) obtains
The information of the speed changer incision parking gear judges whether to meet: user's request makes the speed changer incision parking gear;And
When meeting user's request makes the speed changer incision parking gear, make the speed changer incision parking gear;And
When being unsatisfactory for user's request makes speed changer incision parking gear, refusal makes the request of the shift of transmission, and to
The combination instrument assembly of automobile sends gear and switches invalid signal, and the combination instrument assembly is made to show image information warning
And/or make a sound information warning.
5. the mode transition controller of transfer gear according to claim 4, which is characterized in that the control module (20)
It is also used to set the preset time that the transfer gear carries out pattern switching;
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, after refusal makes the request of the speed changer incision driving gear or reverse gear shift, the acquisition mould
Block (10) obtains the information whether transfer gear in the preset time completes pattern switching;
The control module (20) is also used to the transfer in the preset time obtained according to acquisition module (10)
The information whether device completes pattern switching judges whether to meet: the transfer gear completes pattern switching in the preset time;
And
When being unsatisfactory for the transfer gear completion pattern switching in the preset time, response makes asking for the shift of transmission
It asks.
6. a kind of mode switching control system of transfer gear characterized by comprising
Body electronics systems stabilisation (30), the information for making transfer gear carry out pattern switching for obtaining user;
Transfer gear electronic control unit (40), for obtaining whether the transfer gear is carrying out the information of pattern switching and described
Whether transfer gear completes the information of pattern switching;
Speed changer electronic control unit (50), respectively with the body electronics systems stabilisation (30) and the transfer gear electronic control unit (40)
Signal connection, for obtaining the information of gear locating for speed changer, and for making the transfer gear carry out mould according to user's request
The information of formula switching, the transfer gear whether carrying out pattern switching information and the speed changer locating for gear
Information judges whether to meet simultaneously: user's request makes the transfer gear carry out 4L pattern switching, and the transfer gear is carrying out
Pattern switching, and the speed changer is in neutral gear;And
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, refusal makes the request of the speed changer incision driving gear or reverse gear shift;And
Judge whether to meet according to the information whether transfer gear completes pattern switching: the transfer gear completes pattern switching;
And
When meeting the transfer gear completion pattern switching, response makes the request of the shift of transmission;
The mode switching control system of the transfer gear further includes electric gear change electronic control unit (60) and combination instrument assembly (70),
The electric gear change electronic control unit (60) and the combination instrument assembly (70) are believed with the speed changer electronic control unit (50) respectively
Number connection;
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, speed changer electronic control unit (50) refusal makes the speed changer incision driving gear or reverse gear shift
Request after, the speed changer electronic control unit (50) judges whether according to the information whether transfer gear completes pattern switching
Meet: before the transfer gear completes pattern switching, the electric gear change electronic control unit (60) obtains whether user requests to make institute
State the information of shift of transmission;And whether user requests the information for making the speed changer incision parking gear;
Whether the speed changer electronic control unit (50) is used to request the information for making the shift of transmission to judge whether according to user
Meet: user's request makes the shift of transmission;And
When meeting user's request makes the shift of transmission, whether requested to make the speed changer incision parking gear according to user
Information judges whether to meet: user's request makes the speed changer incision parking gear;And
When meeting user's request makes the speed changer incision parking gear, make the speed changer incision parking gear;And
When being unsatisfactory for user's request makes speed changer incision parking gear, refusal makes the request of the shift of transmission, and to
The combination instrument assembly (70) sends gear and switches invalid signal, and the combination instrument assembly (70) is made to show image warning
Information and/or make a sound information warning.
7. the mode switching control system of transfer gear according to claim 6, which is characterized in that the automatically controlled list of speed changer
First (50) are also used to set the preset time that the transfer gear carries out pattern switching;
When meet simultaneously user's request makes the transfer gear carry out 4L pattern switching, the transfer gear is carrying out pattern switching,
When the speed changer is in neutral gear, after refusal makes the request of the speed changer incision driving gear or reverse gear shift, the transfer gear
Electronic control unit (40) obtains the information whether transfer gear in the preset time completes pattern switching;
Whether the speed changer electronic control unit (50) is also used to basis transfer gear in the preset time, which completes mode, is cut
The information changed judges whether to meet: the transfer gear completes pattern switching in the preset time;And
When being unsatisfactory for the transfer gear completion pattern switching in the preset time, response makes asking for the shift of transmission
It asks.
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CN109367533B (en) * | 2018-10-15 | 2020-07-28 | 北京汽车集团越野车有限公司 | ESP control method and device |
CN111497614A (en) * | 2020-04-27 | 2020-08-07 | 江铃汽车股份有限公司 | Instrument display method and system for switching driving modes |
CN114688241B (en) * | 2020-12-28 | 2023-07-18 | 长城汽车股份有限公司 | Control method and device and vehicle |
CN114562557B (en) * | 2021-03-02 | 2024-05-14 | 长城汽车股份有限公司 | Transfer case mode switching control method and system |
CN114962624B (en) * | 2021-07-20 | 2024-08-09 | 长城汽车股份有限公司 | Transfer case control method and device, storage medium, electronic equipment and vehicle |
CN115046001B (en) * | 2021-09-22 | 2023-09-15 | 长城汽车股份有限公司 | Transfer case control method and device, storage medium and vehicle |
CN115031017B (en) * | 2021-11-19 | 2023-10-27 | 长城汽车股份有限公司 | Transfer case 4L mode switching control method and device and vehicle |
CN116025703A (en) * | 2023-03-15 | 2023-04-28 | 长城汽车股份有限公司 | Mode switching method and system of transfer case and vehicle |
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