CN107605607B - Engine control and device - Google Patents
Engine control and device Download PDFInfo
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- CN107605607B CN107605607B CN201710833373.0A CN201710833373A CN107605607B CN 107605607 B CN107605607 B CN 107605607B CN 201710833373 A CN201710833373 A CN 201710833373A CN 107605607 B CN107605607 B CN 107605607B
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Abstract
The embodiment of the present invention proposes a kind of engine control and device, is related to automobile technical field.This method and device adjust the state of gear lock device by transmission output speed and transmission gear information, then the state of state and accelerator open degree adjustment engine based on gear lock device, to when gear lock device is in lockup state and accelerator open degree is greater than presetting second threshold, speed limit limit is carried out to engine and turns round control, so that when driver driving vehicle, it can only be by one grade or starting of reversing gear, vehicle clutch abrasion as caused by high tap position starting is avoided, vehicle service life is extended.
Description
Technical field
The present invention relates to automobile technical fields, in particular to a kind of engine control and device.
Background technique
With the continuous development of the age and the advances of technology, the car ownership of various regions is also gradually increasing.Automobile is
The important vehicles of modern society people trip, private car, city bus or bus etc. utilization rate are high.
And many drivers are in order to quickly arriving at the destination, it will usually direct two grades of startings, and in this case, vehicle
Speed usually with gear mismatch, this is likely to cause the clutch abrasion of vehicle more serious, finally increases vehicle maintenance
Cost.
Summary of the invention
The purpose of the present invention is to provide a kind of engine control and devices, to solve the above problems.
To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:
In a first aspect, the embodiment of the invention provides a kind of engine control, the engine control includes:
Obtain transmission output speed, transmission gear information and accelerator open degree；
The state of a gear lock device is adjusted based on the transmission output speed and the transmission gear information；
State and the accelerator open degree based on the gear lock device adjust the state of the engine.
Second aspect, the embodiment of the invention also provides a kind of engine control system, the engine control system packet
It includes:
Operation information acquiring unit, for obtaining transmission output speed, transmission gear information and accelerator open degree；
Gear lock device state adjustment unit, for being believed based on the transmission output speed and the transmission gear
The state of breath one gear lock device of adjustment；
Engine condition adjustment unit, for described in state and accelerator open degree adjustment based on the gear lock device
The state of engine.
The present invention compared with the existing technology have the beneficial effect that engine control and dress provided in an embodiment of the present invention
It sets, the state of gear lock device is adjusted by transmission output speed and transmission gear information, is then based on gear locking
The state of state and accelerator open degree the adjustment engine of device, to work as, gear lock device is in lockup state and accelerator open degree is big
When presetting second threshold, speed limit limit is carried out to engine and turns round control, so that can only pass through when driver driving vehicle
One grade or starting of reversing gear avoid vehicle clutch abrasion as caused by high tap position starting, extend vehicle service life.
To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 shows the circuit structure block diagram of engine control system provided in an embodiment of the present invention.
Fig. 2 shows the flow charts for the engine control that first embodiment of the invention provides.
Fig. 3 shows the specific flow chart of step S202 in Fig. 2.
Fig. 4 shows the specific flow chart of sub-step S2021 in Fig. 3.
Fig. 5 shows the specific flow chart of sub-step S2022 in Fig. 3.
Fig. 6 shows the specific flow chart of step S206 in Fig. 2.
Fig. 7 shows the flow chart of the engine control of second embodiment of the invention offer.
Fig. 8 shows the functional block diagram of engine control system provided in an embodiment of the present invention.
Icon: 100- engine control system；110- gear lock device；111- processor；112- memory；113- communication
Module；114- data acquisition module；120- engine；130- speed changer；140- alarm module；200- engine control system；
210- timing unit；220- operation information acquiring unit；230- gear lock device state adjustment unit；240- detection unit；
250- signal transmission unit；260- engine condition adjustment unit；270- resetting unit.
Specific embodiment
Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete
Ground description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause
This, is not intended to limit claimed invention to the detailed description of the embodiment of the present invention provided in the accompanying drawings below
Range, but it is merely representative of selected embodiment of the invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile of the invention
In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
The embodiment of the invention provides a kind of engine control systems 100, for controlling the state of engine 120, to keep away
Exempt from clutch abrasion caused by the starting of vehicle high tap position.Referring to Fig. 1, for engine control system 100 provided by the invention
Circuit structure block diagram.Engine control system 100 includes gear lock device 110, engine 120, speed changer 130 and alarm module
140, gear lock device 110 is electrically connected with engine 120, speed changer 130 and alarm module 140 respectively.
Gear lock device 110 includes engine control system 200, processor 111, memory 112, data acquisition module
114 and communication module 113.Processor 111 is electrically connected with memory 112, data acquisition module 114 and communication module 113
It connects.The engine control system 200 includes the software function module that at least one is executed by the processor 111.
Gear lock device 110 is used for the state by changing itself, to limit the state of engine 120.Specifically, exist
When gear lock device 110 is in lockup state mode, speed limit limit is carried out to engine 120 and turns round control.
Memory 112 can be used for storing software program and unit, such as the engine control in the embodiment of the present invention
And program instruction/unit corresponding to device, processor 111 by the software program that is stored in memory 112 of operation and
Unit, thereby executing various function application and data processing, such as engine control provided in an embodiment of the present invention.
Memory 112 may include high speed random access memory, may also include nonvolatile memory, such as one or more magnetic
Property storage device, flash memory or other non-volatile solid state memories.
Data acquisition module 114 is used to acquire the operation information of vehicle, such as transmission output speed, transmission gear
Information, accelerator open degree etc..
Communication module 113 is for receiving the information such as engine speed and torque.In a kind of preferred embodiment, the communication
Module 113 can be CAN bus.
Engine 120 is used to provide power for vehicle, so that vehicle can travel.
Speed changer 130 meets traveling demand for changing system of vehicle transmission ratio.
Alarm module 140 is alarmed for the mismatch signal that answer processor 111 transmits.The alarm module 140 can be with
Be but be not limited only to alarm lamp, buzzer etc..
First embodiment
The embodiment of the invention provides a kind of engine controls, for controlling the state of gear lock device 110, to keep away
Clutch abrasion caused by the speed and gear for exempting from vehicle mismatch.Referring to Fig. 2, being engine provided in an embodiment of the present invention
The flow chart of control method.The engine control includes:
Step S201: transmission output speed, transmission gear information and accelerator open degree are obtained.
It should be noted that transmission output speed, transmission gear information and accelerator open degree are acquired by data
Module 114 is acquired and is transmitted, and by analysis transmission output speed and transmission gear information, can determine the fortune of vehicle
The gear state of row state and speed changer 130.
Step S202: the state based on transmission output speed and transmission gear information adjustment gear lock device 110.
The state for adjusting gear lock device 110 by transmission output speed and transmission gear information first, is convenient for
The state of subsequent adjustment engine 120.
Specifically, referring to Fig. 3, being the specific flow chart of step S202.Step S202 includes:
Sub-step S2021: the operating status of vehicle is determined based on transmission output speed.
Specifically, referring to Fig. 4, being the specific flow chart of step S2021.
Sub-step S20211: judging whether transmission output speed is greater than presetting first threshold, if it is, holding
Row sub-step S20212；If it is not, then executing sub-step S20213.
Sub-step S20212: determine that the vehicle is in driving status.
When transmission output speed is greater than presetting first threshold, show in normal vehicle operation.
Sub-step S20213: determine that the vehicle is in halted state.
When transmission output speed is less than or equal to presetting first threshold, shows that vehicle is normally in originally and stop
Only state.
It should be noted that in a kind of preferred embodiment, first threshold 0.
Sub-step S2022: the state based on operating status and transmission gear information adjustment gear lock device 110.
Specifically, referring to Fig. 5, being the specific flow chart of step S2022.
Sub-step S20221: judging whether the vehicle is in driving status, if it is, executing sub-step S20222；
If it is not, then executing sub-step S20223.
The method for determining the operating status of vehicle refers to method described in sub-step S20211 to sub-step S20213.
Sub-step S20222: the state of the gear lock device 110 is adjusted to free state mode.
It is to be appreciated that vehicle is in normally travel when transmission output speed is greater than presetting first threshold
The state of gear lock device 110 is adjusted to free state mode at this time by state, in order to which vehicle can normally change gear,
To change the revolving speed and torque of engine 120.
Sub-step S20223: judging whether transmission gear information meets with presetting gear state information, if so,
Then execute sub-step S20224；If it is not, then executing sub-step S20225.
It should be noted that presetting gear state information refers to one grade, reverse gear and neutral gear.
When vehicle is in halted state, judge whether transmission gear information accords with presetting gear state information
It closes, can learn whether vehicle is in one grade, any one in reverse gear or neutral gear, further to control gear lock device
110 state.
Sub-step S20224: the state of gear lock device 110 is adjusted to free lockup state mode.
When vehicle is in halted state and transmission gear information and presetting gear state information meet, show vehicle
It is now in one grade, any one in reverse gear or neutral gear, in the state that will be started to walk, therefore by gear lock device 110
State be adjusted to free state mode, not to engine 120 limited in order to driver starting.
Sub-step S20225: the state of gear lock device 110 is adjusted to lockup state mode.
When vehicle is in halted state and transmission gear information and presetting gear state information are not met, show
Vehicle is not in one grade, any one in reverse gear or neutral gear at this time, it is therefore desirable to adjust the state of gear lock device 110
For lockup state mode, directly directly started to walk with two grades or more of gear to avoid driver, but first also by the gear of vehicle
Originally it was one grade, started to walk again after any one in reverse gear or neutral gear.
Sub-step S20226: detecting whether there are emergency parachute, if it is, executing sub-step S20227；If it is not, then
Execute sub-step S20228.
Sub-step S20227: the state of gear lock device 110 is adjusted to free state mode.
When detecting emergency parachute, show that the emergency button of vehicle is in running order, vehicle needs temporarily stop at this time
Vehicle, therefore the state of gear lock device 110 is adjusted to free state mode so as to driver's ramp to stop.
Sub-step S20228: keep the state of gear lock device 110 constant.
Step S203: detection vehicle whether there is failure, if it is, executing sub-step S204；If it is not, then executing step
Rapid S206.
It should be noted that detection vehicle needs to carry out vehicle with the presence or absence of failure in a kind of preferred embodiment
Revolving speed fault diagnosis and to vehicle carry out communication failure diagnosis.
In a kind of preferred embodiment, when transmission output speed is greater than 100r/min, accelerator open degree is greater than 10%,
120 torque of engine is greater than 250Nm, and when being not at N grades, if 120 revolving speeds of engine/transmission output speed be not driven
Than in range, then revolving speed is abnormal, and there are revolving speed failures for vehicle.
When communication module 113 is not received by relevant information in preheating setting time, then it represents that vehicle has communication event
Barrier.Since in the present embodiment, communication module 113 is CAN bus, and can obtain engine speed and torque by CAN bus
Therefore information when being not received by engine speed and torque information in preheating setting time, then shows that vehicle has communication
Failure.
Sub-step S204: the state of gear lock device 110 is adjusted to free state mode and generates alarm signal.
When normal vehicle operation simultaneously and be not detected emergency parachute and vehicle break down when, by gear lock device
110 state is adjusted to free state mode, is convenient for driver's ramp to stop；Alarm signal is generated simultaneously, in order to remind driver
There are failures for vehicle.
Sub-step S205: alarm signal is transmitted to an alarm module 140.
Alarm module 140 is alarmed after receiving alarm signal, to remind driver's vehicle there are failure, pulling over observing as early as possible
It is overhauled, to avoid the generation of contingency.
Step S206: state and the accelerator open degree based on the gear lock device 110 adjust the engine 120
State.
Referring to Fig. 6, being the specific flow chart of step S206.Step S206 includes:
Sub-step S2061: judge gear lock device 110 whether in lockup state and accelerator open degree whether be greater than it is presetting
Second threshold, if it is, execute sub-step S2062；If it is not, then executing sub-step S2063.
Sub-step S2062: speed limit limit is carried out to engine 120 and turns round control.
When gear lock device 110 is lockup state mode and accelerator open degree is greater than the second preset value, engine control system
System 100 just carries out speed limit limit to engine 120 and turns round control.
Sub-step S2063: keep the state of engine 120 constant.
Second embodiment
Referring to Fig. 7, Fig. 7 is a kind of engine control that present pre-ferred embodiments provide.It should be noted that
The technical effect of engine control provided by the present embodiment, basic principle and generation is identical with above-described embodiment, is
It briefly describes, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.The engine control
Include:
Step S201: the clocking information of the transmission of a timer is received.
Step S202: judging whether clocking information is greater than or equal to presetting third threshold value, if so, thening follow the steps
S203；If not, thening follow the steps S201.
Step S203: transmission output speed, transmission gear information and accelerator open degree are obtained.
Step S204: the state based on transmission output speed and transmission gear information adjustment gear lock device 110.
Step S205: detection vehicle whether there is failure, if so, thening follow the steps S206；If not, thening follow the steps
S208。
Step S206: the state of gear lock device 110 is adjusted to free state mode and generates alarm signal.
Step S207: alarm signal is transmitted to an alarm module 140.
Step S208: state and the accelerator open degree based on the gear lock device 110 adjust the engine 120
State.
Step S209: clocking information is reset.
3rd embodiment
Referring to Fig. 8, Fig. 8 is a kind of engine control system 200 that present pre-ferred embodiments provide.It needs to illustrate
It is engine control system 200 provided by the present embodiment, the technical effect and above-described embodiment phase of basic principle and generation
Together, to briefly describe, the present embodiment part does not refer to place, can refer to corresponding contents in the above embodiments.
Engine control system 200 includes timing unit 210, operation information acquiring unit 220, gear lock device state tune
Whole unit 230, detection unit 240, signal transmission unit 250, engine condition adjustment unit 260 and resetting unit 270.
Timing unit 210 is used to receive the clocking information of the transmission of a timer.
It is to be appreciated that timing unit 210 can be used for executing step S201.
Judging unit is for judging whether clocking information is greater than or equal to presetting third threshold value.
It is to be appreciated that judging unit can be used for executing step S202.
Operation information acquiring unit 220 is used to obtain and become when clocking information is greater than or equal to presetting third threshold value
Fast device output shaft revolving speed, transmission gear information and accelerator open degree.
It should be noted that transmission output speed and transmission gear information are adopted by data acquisition module 114
Collect and transmit, by analysis transmission output speed and transmission gear information, can determine the operating status of vehicle with
And the gear state of speed changer 130.
It is to be appreciated that operation information acquiring unit 220 can be used for executing step S203.
Gear lock device state adjustment unit 230 is used to adjust based on transmission output speed and transmission gear information
The state of gear lock device 110.
It is to be appreciated that gear lock device state adjustment unit 230 can be used for executing step S204.
Detection unit 240 is for detecting vehicle with the presence or absence of failure.
It is to be appreciated that detection unit 240 can be used for executing step S205.
Gear lock device state adjustment unit 230 is also used to when vehicle is there are when failure, by the state of gear lock device 110
It is adjusted to free state mode and generates alarm signal.
It is to be appreciated that gear lock device state adjustment unit 230 can be used for executing step S206.
Signal transmission unit 250 is used to alarm signal being transmitted to an alarm module 140.
It is to be appreciated that signal transmission unit 250 can be used for executing step S207.
Engine condition adjustment unit 260 is for state and the accelerator open degree adjustment hair based on gear lock device 110
The state of motivation 120.
It is to be appreciated that engine condition adjustment unit 260 can be used for executing step S208.
Resetting unit 270 is for resetting clocking information.
It is to be appreciated that resetting unit 270 can be used for executing step S209.
In conclusion engine control provided in an embodiment of the present invention and device, pass through transmission output speed
And the state of transmission gear information adjustment gear lock device, while the state based on gear lock device and accelerator open degree adjustment
The state of engine, thus when gear lock device is in lockup state and accelerator open degree is greater than presetting second threshold, it is right
Engine carries out speed limit limit and turns round control, so that when driver driving vehicle, can only avoid by one grade or starting of reversing gear
Clutch abrasion caused by vehicle is started to walk as high tap position, extends vehicle service life.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should also be noted that similar label and letter exist
Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing
It is further defined and explained.
Claims (8)
1. a kind of engine control, which is characterized in that the engine control includes:
Obtain transmission output speed, transmission gear information and accelerator open degree；
State based on the transmission output speed and transmission gear information adjustment gear lock device；
State and the accelerator open degree based on the gear lock device adjust the state of the engine；Wherein, based on described
Transmission output speed and the transmission gear information adjustment gear lock device state the step of include:
The operating status of vehicle is determined based on the transmission output speed；
The state of the gear lock device is adjusted based on the operating status and the transmission gear information；
When detecting emergency parachute, the state of the gear lock device is adjusted to free state mode；It is answered when being not detected
When anxious signal, to the vehicle carry out fault diagnosis, and based on the fault diagnosis result, the gear lock device state and
The accelerator open degree adjusts the state of the engine.
2. engine control as described in claim 1, which is characterized in that the state based on the gear lock device
And the accelerator open degree adjusts the step of state of the engine and includes:
When the gear lock device is in lockup state and the accelerator open degree is greater than presetting second threshold, to the hair
Motivation carries out speed limit limit and turns round control.
3. engine control as described in claim 1, which is characterized in that described to be based on the transmission output speed
The step of determining the operating status of vehicle include:
When the transmission output speed is greater than presetting first threshold, determine that the vehicle is in driving status；
When the transmission output speed is less than or equal to presetting first threshold, determines that the vehicle is in and stop shape
State.
4. engine control as described in claim 1, which is characterized in that described to be based on the operating status and the change
Fast device gear information adjusts the step of state of the gear lock device and includes:
When the vehicle is in driving status, the state of the gear lock device is adjusted to free state mode；
When the vehicle is in halted state, the state of the gear lock device is adjusted based on the transmission gear information.
5. engine control as claimed in claim 4, which is characterized in that described when the vehicle is in halted state
When, the step of adjusting the state of the gear lock device based on the transmission gear information includes:
When the transmission gear information and presetting gear state information meet, by the state tune of the gear lock device
Whole is free state mode；
When the transmission gear information and presetting gear state information are not met, by the state of the gear lock device
It is adjusted to lockup state mode.
6. engine control as described in claim 1, which is characterized in that it is described when emergency parachute is not detected, it is right
The vehicle carries out fault diagnosis, and the step of adjusting the state of the gear lock device based on fault diagnosis result packet
It includes:
When the vehicle breaks down, the state of the gear lock device is adjusted to free state mode and generates alarm signal
Number；
When the vehicle does not break down, start described in state and accelerator open degree adjustment based on the gear lock device
The state of machine.
7. engine control as described in claim 1, which is characterized in that the acquisition transmission output speed,
Before the step of transmission gear information and accelerator open degree, the engine control further include:
Receive the clocking information of timer transmission；
The step of acquisition transmission output speed and transmission gear information includes:
When the clocking information is greater than or equal to presetting third threshold value, transmission output speed, speed changer shelves are obtained
Position information and accelerator open degree；
The step of state based on the gear lock device and the accelerator open degree adjust the state of the engine it
Afterwards, the engine control further include:
The clocking information is reset.
8. a kind of engine control system, which is characterized in that the engine control system includes:
Operation information acquiring unit, for obtaining transmission output speed, transmission gear information and accelerator open degree；
Gear lock device state adjustment unit, for being based on the transmission output speed and the transmission gear information tune
The state of whole gear lock device, specifically includes: being based on the transmission output speed and the transmission gear information tune
The step of state of whole gear lock device includes:
The operating status of vehicle is determined based on the transmission output speed；
The state of the gear lock device is adjusted based on the operating status and the transmission gear information；
When detecting emergency parachute, the state of the gear lock device is adjusted to free state mode；It is answered when being not detected
When anxious signal, to the vehicle carry out fault diagnosis, and based on the fault diagnosis result, the gear lock device state and
The accelerator open degree adjusts the state of the engine；
Engine condition adjustment unit, for starting described in state and accelerator open degree adjustment based on the gear lock device
The state of machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833373.0A CN107605607B (en) | 2017-09-15 | 2017-09-15 | Engine control and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710833373.0A CN107605607B (en) | 2017-09-15 | 2017-09-15 | Engine control and device |
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| CN107605607A CN107605607A (en) | 2018-01-19 |
| CN107605607B true CN107605607B (en) | 2019-08-02 |
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| CN109177966B (en) * | 2018-10-12 | 2023-10-13 | 东风商用车有限公司 | Intelligent vehicle starting operation auxiliary system and control method thereof |
| CN110925331A (en) * | 2020-01-21 | 2020-03-27 | 雷沃重工股份有限公司 | Mechanical clutch control method and device and vehicle |
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| DE102015217975B4 (en) * | 2015-09-18 | 2021-08-05 | Zf Friedrichshafen Ag | Method for disengaging a parking lock of a dual clutch transmission of a motor vehicle |
| JP6269694B2 (en) * | 2016-01-29 | 2018-01-31 | トヨタ自動車株式会社 | Vehicle control device |
| CN106949235B (en) * | 2017-03-03 | 2018-11-13 | 镇江海姆霍兹传热传动***有限公司 | Gear-change of automatic transmissions of motor vehicles position locking control method |
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Application publication date: 20180119 Assignee: Shaanxi Huoman Supply Chain Management Co.,Ltd. Assignor: BIT INTELLIGENT VEHICLE TECHNOLOGY Co.,Ltd. Contract record no.: X2022980009256 Denomination of invention: Engine control method and device Granted publication date: 20190802 License type: Common License Record date: 20220628 |