CN108678862A - Throttle control system and its control method for engineering machinery - Google Patents
Throttle control system and its control method for engineering machinery Download PDFInfo
- Publication number
- CN108678862A CN108678862A CN201810252590.5A CN201810252590A CN108678862A CN 108678862 A CN108678862 A CN 108678862A CN 201810252590 A CN201810252590 A CN 201810252590A CN 108678862 A CN108678862 A CN 108678862A
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- throttle
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/02—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by hand, foot, or like operator controlled initiation means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The present invention provides a kind of throttle control systems and its control method for engineering machinery, the throttle control system is used for the engine of double Throttle Opening Controls, including the hand throttle and foot throttle being connect respectively with engine electronic control unit, hand throttle is intelligent throttle instrument, the first button being connect including throttle adjustment module and with the throttle adjustment module by signal, throttle control system further includes the second button being connect with engine electronic control unit, intelligent throttle instrument is used for the intermediate speed of adjusting control engine, foot throttle is used on the basis of the intermediate speed, pedal by trampling foot throttle adjusts the aperture of foot throttle and carries out engineer operation to control the rotating speed of engine, second button after engineer operation for controlling the rotating speed rapid translating of engine to highest complete vehicle curb condition or idling mode.Present invention introduces intermediate throttle Intelligent Control Strategy, a key empty wagons or idling strategies, make Throttle Opening Control intelligence, precision, promote working efficiency.
Description
Technical field
The present invention relates to vehicle engine control system technical fields, more particularly to a kind of throttle for engineering machinery
Control system and its control method.
Background technology
Double throttle control systems of the engineering machinery such as existing bull-dozer application are typically provided two oil of hand throttle and foot throttle
Door, hand throttle control intermediate speed for adjusting intermediate throttle；Foot throttle is acceleration or deceleration throttle, in intermediate throttle
On the basis of control engine operated to acceleration or deceleration between highest empty wagons or idling in intermediate speed.
Existing hand throttle generally uses the hand throttle of knob control, manual rotation to adjust intermediate throttle, and control is inaccurate
And the operation consuming time is long.In addition, engineering machinery is run under part-throttle operating mode in actual use, with centre
For throttle subtracts Throttle Opening Control pattern, when engineering machinery works under the pattern, terminate to need to move backward or turn in operations such as soil-shiftings
When field is to carry out next dozing, it can only be moved backward using part-throttle.Part-throttle, the work of deceleration throttle pattern, can cause
After the operations such as soil-shifting, either transition can not be adjusted to full throttle reversing or transition, speed of moving backward in time in the process for reversing
Degree is slow, influences working efficiency；If cumbersome by intermediate Throttle Opening Control knob adjusting rotating speed to highest empty wagons, when delaying
Between, and also need to reset intermediate Throttle Opening Control knob after adjusting, it wastes time again, influences working efficiency.
Invention content
The purpose of the present invention is at least solving one of drawbacks described above and deficiency, which is achieved through the following technical solutions
's.
The present invention provides a kind of throttle control system for engineering machinery, the throttle control system is used for double throttles
The engine of control, including the hand throttle and foot throttle that are connect respectively with engine electronic control unit, the hand throttle are intelligence
Can throttle instrument, including throttle adjustment module and the first button for being connect with the throttle adjustment module by signal, the throttle
Control system further includes the second button being connect with the engine electronic control unit, and the intelligence throttle instrument is for adjusting
The intermediate speed of engine is controlled, the foot throttle is used on the basis of the intermediate speed, by trampling stepping on for foot throttle
Plate adjusts the aperture of the foot throttle and carries out engineer operation to control the rotating speed of engine, and second button is used for described
The rotating speed rapid translating of the engine is controlled after engineer operation to highest complete vehicle curb condition or idling mode.
Further, the engine of double Throttle Opening Controls is engine or the centre of intermediate throttle open out control model
Throttle subtracts the engine of Throttle Opening Control pattern.
Further, if the engine is the engine of intermediate throttle open out control model, the intermediate speed
Setting value be minimum speed value, the pedal by trampling the foot throttle can control the rotating speed of engine at described minimum turn
Operating carries out engineer operation between speed value and highest empty wagons rotating speed；It is described by continuing to trample after the engineer operation
The pedal of foot throttle can make the rotating speed fast lifting of the engine to highest complete vehicle curb condition；When vehicle waits for next round operation
When, the rotating speed of the engine can be made to be reduced rapidly to idling by operating second button.
Further, if the engine is the engine that intermediate throttle subtracts Throttle Opening Control pattern, the intermediate speed
Setting value be maximum speed value, the pedal by trampling the foot throttle can control the rotating speed of engine idling with it is described
Operating carries out engineer operation between maximum speed value；It, can by operating second button after the engineer operation
Make the rotating speed fast lifting of the engine to highest complete vehicle curb condition.
Further, when engineer machinery operation, the rotating speed of the engine is in part-throttle state.
Further, the highest complete vehicle curb condition is full throttle operating mode, described when vehicle is in the highest complete vehicle curb condition
The rotating speed of engine is more than the intermediate speed；When vehicle is in the idling mode, the rotating speed of the engine is less than described
Intermediate speed.
Further, the hand throttle, foot throttle and second button respectively with the engine electronic control system list
Member electrical connection and/or communication connection.
The present invention also provides a kind of control methods of the throttle control system for engineering machinery, which is root
Implement according to the above-mentioned throttle control system for engineering machinery, including：
S1：The intermediate speed that engine is arranged in intelligent throttle instrument is adjusted according to the control model of engine；
S2：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S3：The pedal for trampling foot throttle adjusts the aperture of the foot throttle to control the rotating speed progress engineering work of engine
Industry；
S4：After engineer operation, according to the control model of the engine, continuing to trample the pedal of the foot throttle makes
The rotating speed rapid translating of engine to highest complete vehicle curb condition carries out reversing or transition；Alternatively, the second button of operation makes engine
Rotating speed rapid translating to highest complete vehicle curb condition carries out reversing or transition；
S5：It repeats step S1 to step S4 and carries out next round engineer operation.
Further, the control model of the engine is intermediate throttle open out control model, and the intermediate throttle adds
Control method when Throttle Opening Control pattern includes：
S11：The throttle adjustment module that intelligent throttle instrument is adjusted according to the operating mode of engine and engineer operation information is set
Set the intermediate speed of engine；
S21：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S31：The pedal for trampling foot throttle controls setting value and highest of the rotating speed in the intermediate speed of the engine
Operating carries out engineer operation between empty wagons rotating speed；
S41：After engineer operation, continuing to trample the pedal of the foot throttle makes the rotating speed fast lifting of the engine
Reversing or transition are carried out to highest complete vehicle curb condition；
When vehicle waits for after reversing or transition, the second button of operation makes the rotating speed of the engine be reduced rapidly to idling；
S51：When entering next round engineer operation after engineer operation, believed according to the operating mode of engine and engineer operation
Breath judges whether to need to change the intermediate speed again, if having no need to change the intermediate speed, unclamps the foot throttle
Pedal, so that the rotating speed of engine is restored rapidly to the intermediate speed, and continue step S31 to S41；If desired described in changing
Intermediate speed, then return to step S11, operates the throttle adjustment module and carries out readjusting setting to the intermediate speed, and
Continue step S21 to S41.
Further, the control model of the engine is that intermediate throttle subtracts Throttle Opening Control pattern, and the intermediate throttle subtracts
Control method when Throttle Opening Control pattern includes：
S12：The throttle adjustment module that intelligent throttle instrument is adjusted according to the operating mode of engine and engineer operation information is set
Set the intermediate speed of engine；
S22：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S32：The pedal for trampling foot throttle controls setting value of the rotating speed in idling and the intermediate speed of the engine
Between operating carry out engineer operation；
S42：After engineer operation, the second button of operation makes the rotating speed fast lifting of the engine to highest empty wagons shape
State carries out reversing or transition；
S52：When entering next round engineer operation after engineer operation, believed according to the operating mode of engine and engineer operation
Breath judges whether to need to change the intermediate speed again, if having no need to change the intermediate speed, return to step S22, and behaviour
Making first button makes the fast quick-recovery of the rotating speed of the engine to the intermediate speed, and continues step S32 to S42；If
It needs to change the intermediate speed, then return to step S12, operates the throttle adjustment module and the intermediate speed is carried out again
Setting is adjusted, and continues step S22 to step S42.
Advantages of the present invention is as follows：
(1) present invention is convenient for the adjustment of intermediate throttle, avoids operating by increasing intermediate throttle intelligent control logic
It is cumbersome, it realizes intelligence, the precision of Throttle Opening Control, improves working efficiency.
(2) present invention under the control logic that intermediate throttle subtracts throttle, increase a key empty wagons control logic, reversing or
During transition, engine is made to increase to full throttle by intermediate throttle in time, then reversing or transition, improves working efficiency.
(3) present invention increases by a key idle speed control logic under the control logic of intermediate throttle open out, is waited in vehicle
In the process, it enables the engine to be rapidly reached idling mode, saves oil mass, saves the time, increase service life of aeroengine.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, various other advantages and benefit are common for this field
Technical staff will become clear.Attached drawing only for the purpose of illustrating preferred embodiments, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.
Fig. 1 is the structural schematic diagram of the throttle control system provided in an embodiment of the present invention for engineering machinery；
Fig. 2 is engineering machinery accelerator control method under intermediate throttle open out control model provided in an embodiment of the present invention
Flow chart；
Fig. 3 is that intermediate throttle provided in an embodiment of the present invention subtracts engineering machinery accelerator control method under Throttle Opening Control pattern
Flow chart；
Reference numeral is as follows in figure：
100- engine electronic control unit 1- intelligence throttle instrument
11- throttle adjustment module the first buttons of 12-
2- foot throttles the second buttons of 3-
Specific implementation mode
The illustrative embodiments of the disclosure are more fully described below with reference to accompanying drawings.Although showing this public affairs in attached drawing
The illustrative embodiments opened, it being understood, however, that may be realized in various forms the disclosure without the reality that should be illustrated here
The mode of applying is limited.It is to be able to be best understood from the disclosure on the contrary, providing these embodiments, and can be by this public affairs
The range opened completely is communicated to those skilled in the art.
Largely there are double Throttle Opening Control logics in engineering machinery vehicle, double throttles include hand throttle and foot oil during the work time
Door.Wherein, hand throttle is for adjusting intermediate throttle, and user needs to adjust intermediate throttle according to field working conditions, for ensureing engineering
Operation quality and operating efficiency；Foot throttle is that accelerating throttle or deceleration throttle pattern work.Engineering machinery is in actual use
Major part is run under part-throttle operating mode, and the part-throttle operating mode is by manually controlling intermediate throttle and utilizing driver's
Foot's control gas pedal is realized jointly in a certain open position.
Fig. 1 shows that the structure of the throttle control system for engineering machinery provided according to the embodiment of the present invention is shown
It is intended to.As shown in Figure 1, the throttle control system is used for the engine of double Throttle Opening Control logics, including respectively with Motronic control maps
Control unit 100 is electrically connected or hand throttle, foot throttle 2 and the second button 3 of communication connection, and hand throttle is intelligent throttle instrument
1, intelligent throttle instrument 1 is the liquid crystal display that can be operated, and the centre for adjusting intermediate engine throttle control turns
Speed is in part-throttle state.
Engine electronic control unit 100 and intelligent throttle instrument 1, the connection type sheet of foot throttle 2 and the second button 3
Invention does not limit specifically.The control circuit of engine electronic control unit 100 receives intelligent 1 signal of throttle instrument and foot throttle 2
Signal controls the working condition of engine, pipe is carried out to the various actions of engine after carrying out signal processing to the signal of input
Reason, engine electronic control unit 100 adjust the rotating speed of engine according to the operating status of engine and complete machine, meet immediately
The needs of vehicle.
Intelligent throttle instrument 1 includes throttle adjustment module 11 and the first button being connect with 11 signal of throttle adjustment module
12, throttle adjustment module 11 and the first button 12 are connect with engine electronic control unit 100, and throttle adjustment module 11 can
Adjust and show the intermediate speed of engine；The rotating speed that first button 12 can control engine reaches intermediate speed, grasps every time
Make the first button 12, the rotating speed of engine just automatically achieves the intermediate speed of setting.
In present embodiment, throttle adjustment module 11 and the setting of the first button 12 are structure as a whole, touch intelligent throttle
The screen of instrument 1, you can show the intermediate speed value and the first button 12 of engine, touch the first button 12 and can control and start
The rotating speed of machine is rapidly achieved the intermediate speed of setting.
(not shown) is arranged apart by throttle adjustment module 11 and the first button 12 in another embodiment, throttle adjustment mould
Block 11 and the first button 12 are connect with engine electronic control unit 100, for example, make vehicular meter beautiful, by the first button
12 and second button 3 be arranged together, and use different colour codes.The arrangement of first button 12, the present invention do not have
Body limits.
When it is implemented, intelligent throttle instrument 1 and 2 linkage of foot throttle effect, first pass through in the adjusting of throttle adjustment module 11
Between rotating speed setting value N, then operate the first button 12 control engine rotating speed be rapidly achieved the specified intermediate speed.Compared to
The hand throttle of manual rotation introduces intelligent Throttle Opening Control strategy, and setting intelligent throttle instrument 1 to intelligent liquid crystal adjusts display
Screen, quickly can accurately adjust intermediate speed, control is made to refine, and promote working efficiency.
Foot throttle 2 is used on the basis of so that the rotating speed of engine is reached intermediate speed using intelligent throttle instrument 1, is passed through
The pedal for trampling foot throttle 2 adjusts the aperture of foot throttle 2 to control the rotating speed progress engineer operation of engine.
Second button 3 is a key empty wagons or a key idling button, for controlling turning for engine at the end of engineer operation
Fast rapid translating is to highest complete vehicle curb condition or idling mode.The button mode of second button 3 is according to the control mould of engine throttle
Formula determines.The control model of engine throttle is that intermediate throttle open out control model or intermediate throttle subtract Throttle Opening Control mould
Formula.
In one embodiment, engine is the engine of intermediate throttle open out control model, the then setting of intermediate speed
Value N is minimum speed value, and when control system acts on, first passing through operation intelligence throttle instrument 1 makes the rotating speed of engine reach intermediate
The setting value N (actual value of the intermediate speed of engine is the setting value N of intermediate speed) of rotating speed, then by trampling foot throttle
The rotating speed that 2 pedal can control engine operates progress engineering work between above-mentioned minimum speed value and highest empty wagons rotating speed
Industry.
When stepping on foot throttle 2, the rotating speed of engine starts to increase, the amplitude that increased amplitude is operated with foot throttle 2
The rotating speed highest of proportional relationship, engine can be at highest complete vehicle curb condition, if continuing to step on foot throttle 2 downwards, engine is protected
Hold highest complete vehicle curb condition.Highest complete vehicle curb condition is full throttle operating mode, and the rotating speed of engine is more than intermediate turn under highest complete vehicle curb condition
The setting value of speed.It is holding part throttle operating mode when vehicle carries out engineer operation, foot throttle 2 is not fully floored.Such as it presses
The engine of road machine mostly uses the engine of intermediate throttle open out control model, first engine is made to be operated with intermediate speed, then
The rotating speed of engine is continuously improved come vibrating compacting road surface in pedal by manipulating foot throttle 2.
After the engineer operation carried out using part-throttle operating mode, it can make to start by continuing to trample foot throttle 2
The rotating speed fast lifting of machine to highest complete vehicle curb condition, i.e. engine is promoted to full throttle operating mode by part-throttle operating mode, in time into
Row reversing or transition, improve reversing or transition speed.
When engineer operation is completed, and vehicle waits for next round operation, turning for engine can be made by operating the second button 3
Speed is reduced rapidly to idling, and the rotating speed of engine is less than the setting value N of intermediate speed under idling mode, is the rotating speed of engine
Minimum.When high engine speeds operate, the oil mass of consuming is larger；Vehicle stall is restarted, starts and engine consumption is come
Say it is also bigger, by operate the second button 3 engine speed is reduced to idling mode, oil mass can be saved, reach emission reduction
The purpose of oil consumption drops.
In another embodiment, engine is that intermediate throttle subtracts the engine of Throttle Opening Control pattern, then intermediate speed is set
Definite value N is maximum speed value, first passes through the setting value N that operation intelligence throttle instrument 1 makes the rotating speed of engine reach intermediate speed,
The rotating speed that engine can be controlled by trampling the pedal of foot throttle 2 again operates progress between idling and above-mentioned maximum speed value
Engineer operation.
When stepping on foot throttle 2, the rotating speed of engine starts to reduce, the amplitude that the amplitude of reduction is operated with foot throttle at
Proportionate relationship, the rotating speed of engine is minimum to can be at idling mode, if continuing to step on foot throttle downwards, engine keeps idling.
Such as the engine of bull-dozer mostly uses the engine of intermediate throttle open out control model, first engine is made to be transported with intermediate speed
Turn, then constantly reduces the rotating speed of engine by manipulating the pedal of foot throttle 2 and carry out dozing.
After engineer operation, engine can be made to continue to slow down by continuing to trample foot throttle 2, be unable to reach reversing or
The highest complete vehicle curb condition that transition needs, at this point, the second button 3 of operation can make the rotating speed fast lifting of engine to highest empty wagons
State carries out reversing or transition in time, saves the time, promotes working efficiency, and prepare for next round engineer operation, increases warp
Ji benefit.
It is to be appreciated that the setting value N of above-mentioned intermediate speed is not the attainable minimum of engine speed or highest
Value, the rotating speed of engine is minimum to can be at idling mode, and highest can be at highest complete vehicle curb condition.
In preferred implementation, the engine speed of highest complete vehicle curb condition is 2100r/min, and when part-throttle work status starts
The rotating speed of machine is 1600r/min.
Turn of engine under highest complete vehicle curb condition or idling mode can be set by engine electronic control unit 100
Speed is made engineering machinery be travelled with the speed of given area, the pedal of foot throttle 2 is stepped on to range, will not cause to start
The speed that machine turns is excessive and causes the accident.
Fig. 2 shows engineering machinery oil under the intermediate throttle open out control model provided according to the embodiment of the present invention
The flow chart of door control method.Specific control process is as follows：
S11：The throttle adjustment module 11 of intelligent throttle instrument 1 is adjusted according to the operating mode of engine and engineer operation information
The intermediate speed of engine is set；
Engineer operation information includes and the relevant various information of engineer machinery operation, such as engineer operation amount, engineering ground
The information such as environment.
S21：Operate the setting value N that the first button makes the rotating speed of engine reach intermediate speed, the setting of the intermediate speed
Minimum speed value when value N is the work of engine restriction；
S31：The rotating speed for trampling the pedal control engine of foot throttle 2 turns in the setting value N of intermediate speed with highest empty wagons
Operating carries out engineer operation between speed；
S41：After engineer operation, continuing to trample the pedal of foot throttle 2 makes the rotating speed fast lifting of engine to highest
Complete vehicle curb condition carries out reversing or transition；
When vehicle waits for after reversing or transition, can operate the second button 3 makes the rotating speed of engine be reduced rapidly to idling,
Save oil mass.
S51：When entering next round engineer operation after engineer operation, believed according to the operating mode of engine and engineer operation
Breath judges whether to need the intermediate speed for changing engine again, if having no need to change intermediate speed, unclamp stepping on for foot throttle 2
Plate makes the rotating speed of engine restore to the setting value N of intermediate speed rapidly, and continues step S31 to S41；If desired in changing
Between rotating speed, then return to step S11, operation throttle adjustment module 11 carries out intermediate speed to readjust setting, and continues step
S21 to S41.
Fig. 3 shows that the intermediate throttle provided according to the embodiment of the present invention subtracts engineering machinery oil under Throttle Opening Control pattern
The flow chart of door control method.Specific control process is as follows：
S12：The throttle adjustment module 11 of intelligent throttle instrument is adjusted according to the operating mode of engine and engineer operation information
The intermediate speed of engine is set；
S22：The setting value N that the first button 12 makes the rotating speed of engine reach intermediate speed is operated, which sets
Maximum speed value when definite value N is the work of engine restriction；
S32：The rotating speed for trampling the pedal control engine of foot throttle 2 is transported between idling and the setting value N of intermediate speed
Rotate into row engineer operation；
S42：After engineer operation, the second button 3 of operation makes the rotating speed fast lifting of engine to highest complete vehicle curb condition
Carry out reversing or transition；
S52：When entering next round engineer operation after engineer operation, believed according to the operating mode of engine and engineer operation
Breath judges whether to need to change the intermediate speed of engine again, if having no need to change intermediate speed, return to step S22, and behaviour
Make the setting value N that the first button 12 makes the fast quick-recovery of the rotating speed of engine to intermediate speed, and continues step S32 to S42；If needing
Change the intermediate speed, then return to step S12, operation throttle adjustment module 12 readjust setting to intermediate speed
It sets, and continues step S22 to step S42.
The present invention is by under double throttle patterns of intermediate Throttle Opening Control, introducing intermediate throttle Intelligent Control Strategy, a key
Empty wagons or a key idling strategy can increase to full throttle reversing by intermediate throttle in time during reversing either transition or turn
, engine can be made to be rapidly reached idling in vehicle waiting process, save oil mass, make Throttle Opening Control intelligence, precision, carry
Rise working efficiency.
The present invention is applied widely, for the engineering machinery of the middle oils door model such as crane, bull-dozer, road roller work
Type is applicable in, and can bring considerable economic benefit.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, the change or replacement that can be readily occurred in,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (10)
1. a kind of throttle control system for engineering machinery, the throttle control system is used for the engine of double Throttle Opening Controls,
Including the hand throttle and foot throttle being connect respectively with engine electronic control unit, which is characterized in that the hand throttle is intelligence
Throttle instrument, including throttle adjustment module and the first button for being connect with the throttle adjustment module by signal, the throttle control
System processed further includes the second button being connect with the engine electronic control unit, and the intelligence throttle instrument is controlled for adjusting
The intermediate speed of engine processed, the foot throttle is used on the basis of the intermediate speed, by the pedal for trampling foot throttle
It adjusts the aperture of the foot throttle and carries out engineer operation to control the rotating speed of engine, second button is used in the work
The rotating speed rapid translating of the engine is controlled after Cheng Zuoye to highest complete vehicle curb condition or idling mode.
2. the throttle control system according to claim 1 for engineering machinery, which is characterized in that double Throttle Opening Controls
Engine be that the engine of intermediate throttle open out control model or intermediate throttle subtract the engine of Throttle Opening Control pattern.
3. the throttle control system according to claim 2 for engineering machinery, which is characterized in that if the engine is
The engine of intermediate throttle open out control model, then the setting value of the intermediate speed is minimum speed value, by trampling
The rotating speed of engine can be controlled and operate progress between the minimum speed value and highest empty wagons rotating speed by stating the pedal of foot throttle
Engineer operation；After the engineer operation, the pedal by continuing to trample the foot throttle can make the engine
Rotating speed fast lifting is to highest complete vehicle curb condition；When vehicle waits for next round operation, can be made by operating second button
The rotating speed of the engine is reduced rapidly to idling.
4. the throttle control system according to claim 2 for engineering machinery, which is characterized in that if the engine is
Intermediate throttle subtracts the engine of Throttle Opening Control pattern, then the setting value of the intermediate speed is maximum speed value, by trampling
State foot throttle pedal can control engine rotating speed operated between idling and the maximum speed value carry out engineer operation；
After the engineer operation, the rotating speed fast lifting of the engine can be made to highest by operating second button
Complete vehicle curb condition.
5. the throttle control system according to any one of claim 1 to 4 for engineering machinery, which is characterized in that work
When journey mechanical work, the rotating speed of the engine is in part-throttle state.
6. the throttle control system according to any one of claim 1 to 4 for engineering machinery, which is characterized in that institute
It is full throttle operating mode to state highest complete vehicle curb condition, and when vehicle is in the highest complete vehicle curb condition, the rotating speed of the engine is more than institute
State intermediate speed；When vehicle is in the idling mode, the rotating speed of the engine is less than the intermediate speed.
7. the throttle control system according to any one of claim 1 to 4 for engineering machinery, which is characterized in that institute
Hand throttle, foot throttle and second button is stated to be electrically connected with the engine electronic control unit respectively and/or communication link
It connects.
8. a kind of control method of throttle control system for engineering machinery, the throttle control system for engineering machinery
Control method be the throttle control system according to any one of claim 1 to 7 for engineering machinery to implement,
It is characterised in that it includes：
S1：The intermediate speed that engine is arranged in intelligent throttle instrument is adjusted according to the control model of engine；
S2：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S3：The pedal for trampling foot throttle adjusts the aperture of the foot throttle to control the rotating speed progress engineer operation of engine；
S4：After engineer operation, according to the control model of the engine, continuing to trample the pedal of the foot throttle makes to start
The rotating speed rapid translating of machine to highest complete vehicle curb condition carries out reversing or transition；Alternatively, the second button of operation makes the rotating speed of engine
Rapid translating to highest complete vehicle curb condition carries out reversing or transition；
S5：It repeats step S1 to step S4 and carries out next round engineer operation.
9. the control method of the throttle control system according to claim 8 for engineering machinery, which is characterized in that described
The control model of engine is intermediate throttle open out control model, the intermediate throttle open out control model period control method
Including：
S11：Hair is arranged in the throttle adjustment module that intelligent throttle instrument is adjusted according to the operating mode of engine and engineer operation information
The intermediate speed of motivation；
S21：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S31：The pedal for trampling foot throttle controls setting value and highest empty wagons of the rotating speed in the intermediate speed of the engine
Operating carries out engineer operation between rotating speed；
S41：After engineer operation, continuing to trample the pedal of the foot throttle makes the rotating speed fast lifting of the engine to most
High complete vehicle curb condition carries out reversing or transition；
When vehicle waits for after reversing or transition, the second button of operation makes the rotating speed of the engine be reduced rapidly to idling；
S51：When entering next round engineer operation after engineer operation, sentenced according to the operating mode of engine and engineer operation information
It is disconnected whether to need to change the intermediate speed again, if having no need to change the intermediate speed, unclamp stepping on for the foot throttle
Plate makes the rotating speed of engine restore to the intermediate speed rapidly, and continues step S31 to S41；If desired change the centre
Rotating speed, then return to step S11, operates the throttle adjustment module and carries out readjusting setting to the intermediate speed, and continue
Step S21 to S41.
10. the control method of the throttle control system according to claim 8 for engineering machinery, which is characterized in that institute
The control model for stating engine is that intermediate throttle subtracts Throttle Opening Control pattern, and the intermediate throttle subtracts control when Throttle Opening Control pattern
Method includes：
S12：Hair is arranged in the throttle adjustment module that intelligent throttle instrument is adjusted according to the operating mode of engine and engineer operation information
The intermediate speed of motivation；
S22：Operate the setting value that the first button makes the rotating speed of engine reach the intermediate speed；
S32：The pedal for trampling foot throttle controls the rotating speed of the engine between idling and the setting value of the intermediate speed
Operating carries out engineer operation；
S42：After engineer operation, the second button of operation make the rotating speed fast lifting of the engine to highest complete vehicle curb condition into
Row reversing or transition；
S52：When entering next round engineer operation after engineer operation, sentenced according to the operating mode of engine and engineer operation information
Whether disconnected to need to change the intermediate speed again, if having no need to change the intermediate speed, return to step S22 operates institute
Stating the first button makes the fast quick-recovery of the rotating speed of the engine to the intermediate speed, and continues step S32 to S42；If desired
Change the intermediate speed, then return to step S12, operates the throttle adjustment module and the intermediate speed is readjusted
Setting, and continue step S22 to step S42.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252590.5A CN108678862B (en) | 2018-03-26 | 2018-03-26 | Accelerator control system for engineering machinery and control method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738520A (en) * | 2021-08-09 | 2021-12-03 | 潍柴动力股份有限公司 | Loader rotating speed control method and related device |
| CN113859215A (en) * | 2021-10-25 | 2021-12-31 | 徐州重型机械有限公司 | Power system rotation speed control method, controller, vehicle and readable storage medium |
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| CN101407176A (en) * | 2008-11-24 | 2009-04-15 | 王佑夫 | Control method for manual control accelerograph for automobile and system thereof |
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| CN201614977U (en) * | 2009-12-14 | 2010-10-27 | 上海三一科技有限公司 | Crane engine throttle control device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113738520A (en) * | 2021-08-09 | 2021-12-03 | 潍柴动力股份有限公司 | Loader rotating speed control method and related device |
| CN113859215A (en) * | 2021-10-25 | 2021-12-31 | 徐州重型机械有限公司 | Power system rotation speed control method, controller, vehicle and readable storage medium |
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|---|---|
| CN108678862B (en) | 2020-08-21 |
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