CN110001650A - The power limit that transmission device power is carried out via external interface - Google Patents
The power limit that transmission device power is carried out via external interface Download PDFInfo
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- CN110001650A CN110001650A CN201811473426.3A CN201811473426A CN110001650A CN 110001650 A CN110001650 A CN 110001650A CN 201811473426 A CN201811473426 A CN 201811473426A CN 110001650 A CN110001650 A CN 110001650A
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- Prior art keywords
- transmission device
- power
- traveling
- transmission
- working truck
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/10—Change speed gearings
- B60W2710/1061—Output power
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- Automation & Control Theory (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The present invention relates to the power limits carried out via external interface to transmission device power.Propose the method for the traveling transmission device for running working truck, in working truck operation, driving power is supplied to traveling transmission device by driving device (2), and, it advances transmission device power output with transmission device (5) to traveling driven end (3), advancing has at least one transmission control units (6) with transmission device (5), it at least controls traveling when working truck (1) is run with transmission device (5), transmission control units (6) have interface (7), it can be with transmission control units (6) exchanging control data and/or operation data via the interface.Limits value can be transported to transmission control units (6) for limiting transmission device power, so that transmission control units (6) control traveling transmission device (5) dependent on limits value via interface (7).
Description
Technical field
The present invention relates to according to claim 1 with the type that is limited in detail in 14 preamble for running operation
The method and traveling transmission device of the traveling of vehicle transmission device.
Summary of the invention
Task of the invention is solved by the feature of claim.In addition advantageous design scheme is wanted by appurtenance
Summation attached drawing obtains.
Propose a kind of method for running the traveling transmission device of working truck.The working truck can be for example
Building, agricultural and/or forestry machinery.In addition, also being supplied drive power to by driving device during the operation of working truck
Traveling transmission device.Driving device for example can be internal combustion engine, which drives it power and send traveling transmission to
Device.In addition, traveling gives traveling to traveling driven end with driven end power output with transmission device.Traveling transmission device exists
This can for example change the revolving speed of driving device and/or the torque of driving device, and output it to traveling driven end.Example
Such as, traveling can be exported driving device with transmission device is changed into output to traveling to the driving revolving speed of traveling transmission device
With the driven revolving speed of driven end.Additionally, traveling can be exported driving device to traveling transmission device with transmission device
Input torque is changed into output to the output torque of traveling driven end.Work can be for example driven by traveling driven end power
The driving wheel of industry vehicle, to allow working truck to be placed in movement.
Traveling transmission device also has at least one transmission control units, at least controls in working truck operation
Traveling transmission device processed.Transmission control units for example can control the transmission ratio of traveling transmission device, to make to go
The traveling situation of working truck is matched with into the output revolving speed and/or output torque with transmission device.In particular, it can will advance
It is associated with the travel speed of working truck, with the output revolving speed of transmission device so as to control by transmission control units
The output revolving speed of traveling transmission device processed, to keep the travel speed of working truck variable.
Transmission control units have interface, and control data exchange can be carried out with control unit for vehicle simultaneously via interface
And/or person carries out operation data with transmission control units and exchanges.Control unit for vehicle can for example be arranged in working truck
Driver's cabin in and can control the component of working truck.For example, control data can be conveyed to transmission device via interface
Control unit, transmission control units control traveling transmission device as follows, that is, make to export revolving speed raising, so as to
Improve the travel speed of working truck.Additionally or alternatively, operation data, these operation datas can also be read via interface
Operating status for example including traveling transmission device, for example current transmission ratio, input speed and/or output revolving speed.Thus
The operation of traveling transmission device can be monitored.But operation data can also include other data.For example, operation data
It also may include the operating status of driving device, they can be swapped via interface.
In order to limit transmission device power, conveys and limit to transmission control units from control unit for vehicle via interface
Value.Term transmission device power refers to traveling driven end power and transmission input power.Therefore, in the present invention
Description and claims in, transmission device power is defined not only simple traveling driven end power, therefore not
The only output end power of transmission device driven end power or transmission device, but this term also includes transmission input
The input terminal power of power or transmission device.It, can be with the input terminal power or limit of either limitation transmission device via this method
The output end power of transmission device processed.Therefore, the limits value in specification of the invention is related to the maximum input terminal of transmission device
Power or maximum output end power.For example, transmission input power is advantageously limited for power management, without limiting
Transmission output power.But there is also limitation transmission output power without limiting transmission input power
It is more favorable applicable cases.
In this respect, transmission control units control traveling transmission device dependent on limits value.By means of limitation
Value, can to from traveling transmission device and/or from driving device be directed to the transmission device power of traveling driven end into
Row constraint.In particular, the transmission device power that traveling transmission device is transmitted can be only limited, without limiting driving device
Driving power.Therefore, limitation can only be occurred by traveling transmission device.For example, due to by limits value to transmission device
Power is limited, and can protect driving device from overload.In addition, transmission device power for example can be by by limitation
The limitation that value carries out is constrained, to overload traveling driven end (such as drive axle) will not.Certainly, not only exist
A possibility that only limiting the output end power of transmission device, but also there is the possibility for the input terminal power for only limiting transmission device
Property.
However, the limitation carried out by limits value also can be used when there are specific driving condition.For example, if
Working truck is located on unguyed ground, then driving wheel may skid, this causes ground to be damaged and is difficult to control operation
Vehicle.By means of the limitation, transmission device power can be constrained, trackslip to reduce driving wheel.
Also there is other advantage herein by means of the limitation that limits value carries out.When limitation is activated, working truck
Operator carries out the constraint to transmission device power without the concern for by means of accelerator pedal or other control devices.Operator
Can completely manipulation and control the accelerator pedal of the driving power of driving device or other control devices.Even if accelerator pedal is complete
Full when flooring, traveling also only transmits the traveling driven end power through limiting with transmission device, or only receives and limited
Transmission input power.
In an advantageous refinement, limits value can be known and/or created by control unit for vehicle.In addition, limits value
Transmission control units can be conveyed to from control unit for vehicle via interface.Transmission control units can also be via connecing
The operation data of traveling transmission device is conveyed to control unit for vehicle by mouth.Control unit for vehicle can for example be arranged in driving
In room, so that the operation data of traveling transmission device to be shown to the operator of working truck.Additionally or alternatively, it operates
Control data can also be inputed to control unit for vehicle by person.
Advantageously, limits value is manually adjusted by the operator of working truck.Operator can autonomously decide on it as a result,
Which kind of want that limits value adjusted.Operator oneself can react to specific driving condition, and for example improve or reduce
Limits value, to match transmission device power correspondingly.
Advantageously, at least one power features curve is stored in transmission control units, by power features song
Line obtains transmission control units dependent on the output revolving speed of traveling transmission device and/or the driving revolving speed of driving device
Knowing and doing is into the maximum transmission device power with transmission device.Power features curve can also additionally or alternatively be stored in vehicle
In control unit, wherein the control unit for vehicle also knows maximum transmission device power.Such as it when driving device and advances with biography
When dynamic device only passes through an axis and is connected to each other, driving revolving speed can correspond to the input speed of traveling transmission device.
Here, can store multiple power features curves in transmission control units and/or control unit for vehicle,
Wherein, each power features curve describes a kind of driving device and/or traveling transmission device different state.Example
Such as, a power features curve can be attached to the following state of driving device, wherein driving device has 1800 revolutions per minute
The constant driving revolving speed of clock (1/min).
Additionally or alternatively, power features curve also may rely on the adjustment of traveling transmission device.It is used advancing
CVT transmission device, i.e. continuously variable transmittion can be for example disposed in transmission device.Continuously variable transmittion also may include that can be changed
Transmission device (Variatorgetriebe).By means of variable drive assembly, such as traveling biography can be controlled as follows
Dynamic device, that is, although making traveling transmission device that there is constant input speed, inconstant output revolving speed.Also deposit
In following possibility, that is, despite the presence of input speed, but output revolving speed can be reduced to zero (neutral gear (geared neutral)).
Therefore, the traveling transmission device in the state is in transmission output also without power.By means of variable drive assembly
Or continuously variable transmittion, it can be advantageous to which the power flow of traveling transmission device is passed through in control.Here, bent in selection power features
When line, this adjustment to traveling transmission device equally must be taken into consideration.In transmission control units and/or vehicle control list
It can be with respect to the power features curve of each adjustment storage one itself of traveling transmission device in member.
Driven revolving speed can for example be measured by sensor unit in other words for driving revolving speed and/or output revolving speed, and
And for example transmission control units can be conveyed to via interface.Transmission control units depend on traveling transmission device
Adjustment and/or driving revolving speed select power features curve, and know and can be made to advance using these adjustment and speed with passing
The maximum transmission device power that dynamic device is given.Here, maximum transmission device power is in the specific of traveling transmission device
It may be directed to the maximum power on traveling driven end under adjustment and/or driving revolving speed.The maximum transmission device power
Be not necessarily it is constant, but can the adjustment more specifically dependent on driving revolving speed and traveling transmission device (such as pass
Dynamic ratio) and change.In general, maximum transmission device power is lower for example when the driving revolving speed of driving device is lower.Specific
It drives revolving speed and/or advances under the specific adjusted of transmission device, maximum transmission device power for example can be 100 kilowatts.
Furthermore, it is possible to 100% value is always associated with to transmission device power, this is because traveling transmission device will not
Transmission device power more more than maximum transmission device power are transmitted to traveling output end.Therefore, maximum transmission device power exists
In each operating point with 100% maximum transmission device power, wherein a kilowatt value may rely on drive revolving speed and/or
The adjustment of traveling transmission device and change.
At least one power features curve can be already existing chart, the chart for example by testboard to row
Know into the test of transmission device.
It is also advantageous that limits value is applied on maximum transmission device power.As a result, on traveling driven end only
There is a part of maximum transmission device power available, to correspondingly remove load with transmission device and/or driving device to traveling.
Advantageously, by transmission control units by the maximum transmission device power of traveling transmission device, usable
Transmission device power and/or current transmission device power transmission are to control unit for vehicle.When maximum transmission device power is passed
When being defeated by control unit for vehicle, because such as transmission device power is excessively high for the earth's surface of working truck, Operation Van
Operator can for example determine whether he wants the limitation to traveling driven end power that carries out by limits value of application.
Such as via control unit for vehicle to operator notify unit be kilowatt maximum transmission device power.Due to maximum transmission device
Power for example can due to fluctuation driving revolving speed and continuously change, so maximum transmission device power can be passed continuously
It is defeated by control unit for vehicle, so that user be made to receive current maximum transmission device power with being always notified.
When limits value is, for example, multiplication factor, for example, 70% or 0.7, usable transmission device power can be limitation
The product of value and maximum transmission device power.Here, the calculating can be in transmission control units and/or vehicle control list
It is executed in member, so that the operator of working truck be made to receive the usable traveling power that can be provided with being notified.
In addition it is also possible to by current transmission device power transmission to control unit for vehicle.For example, can advance with from
Current transmission device power is measured on moved end.Current transmission device power for example can be by the output of traveling transmission device
Torque and output revolving speed obtain.It according to current transmission device power, identify operator can also, for example whether reaching
Usable transmission device power and/or maximum transmission device power have reached how many.Current transmission device power can also
To be transferred to control unit for vehicle as a kilowatt value.
It is further advantageous that by usable transmission device power and/or current transmission device power normalization
(normiert) on the maximum transmission device power of traveling transmission device.Thus, it is possible to more easily to working truck
Operator notifies usable transmission device power and/or current transmission device power.Thus, it is possible to by percent value notify to
Operator.
It is also advantageous that when current transmission device power and for example via all of the secondary driven end of working truck
When summation composed by the summation of the power of secondary customer is more than the maximum drive power of driving device, improve for limiting transmission
The limits value of rating of set.Here, with limits value raising along with usable transmission device power reduction.For example,
At secondary driven end, Work machine can be connected on working truck, Work machine receives certain secondary driven end power.For letter
For the sake of list, it will be assumed that it is all pair customer power summation keep constant and it is exemplary be 50 kilowatts.In addition, as an example, driving
The maximum drive power of dynamic device should be 100 kilowatts.
If current transmission input power is such as 60 kilowatts, (transmission control units can know the mesh
Preceding transmission input power), then it is 110,000 by the summation that secondary driven end power and current transmission device power form
Watt, to be more than the maximum drive power of driving device and overload driving device.At this moment it can match as follows
Limits value, that is, making usable transmission device power is only 50 kilowatts.The matching can be by transmission control units and/or vehicle
Control unit executes.However, for example can also selectional restriction value as follows, that is, make by usable transmission device power
Maximum drive power is not up to the summation of secondary driven end power composition.Therefore, driving device is never fully loaded with, this is same
It is against damages to can protect driving device.Here, when being more than maximum drive power, limits value can also be according to having applied
Limits value is changed.For example, then can be more than maximum drive function when working truck is transformed to go up a slope and be advanced by level traveling
Rate.Then, traveling driven end needs more transmission device power, and driving device is gone back other than applying secondary driven end power
This transmission device power must be applied.Here, the travel speed that the limitation of transmission device power will lead to working truck is reduced.
It is also advantageous that when the summation as composed by current transmission device power and secondary customer is lower than driving device
Driving power when, reduce the limits value for limiting transmission device power.Which thereby enhance maximum transmission device power.By
This, makes driving device by 100% loading, not advance so as to which additional transmission device power to be directed to driven
End.
Advantageously, limits value is improved or is reduced step by step.Thus, it is possible to usable transmission device power is stepped up,
Until reaching the highest transmission device power of possibility for overloading driving device.It is possible thereby to limits value be improved, until by mesh
The summation of preceding transmission device power and secondary driven end power composition drops to the maximum drive power of driving device or less.
Advantageously, in the case where working truck breaks down, using by limits value carry out to transmission device function
The limitation of rate.This fault condition for example can be driving device and overheat because overload continues for some time.This can be by means of
Suitable sensor is identified by transmission control units and/or control unit for vehicle, and limits value is set as corresponding to example
Such as 20% value.Then, transmission device power corresponds only to the 20% of maximum transmission device power.Although reducing work as a result,
The travel speed of industry vehicle, but thus it can be prevented that driving device is impaired.But fault condition is also possible to advance with transmission
Device overheats after too long load, wherein the temperature of traveling transmission device can also be by temperature sensor measurement.Such as
Fruit traveling is overheated with transmission device, then transmission control units and/or control unit for vehicle equally can correspondingly provide to limit
Value processed.Although operator can for example manipulate the accelerator pedal of working truck completely after limitation, advance with transmission dress
It sets and still only guides the transmission device power through limiting to traveling driven end.
It is also advantageous that limits value is known dependent on traveling transmission device revolving speed, so as to dependent on working truck
Travel speed controls transmission device power.Such as when working truck is on soft ground, when working truck starts
Limits value can be higher to prevent driving wheel from trackslipping, to keep transmission device power relatively constrained strongly.For example, can be with
Such as under type selectional restriction value, that is, only wherein 20% transmission device power can be used for traveling driven end.Even if example as a result,
Such as when accelerator pedal is manipulated completely, it is also possible to prevent driving wheel and trackslips at the start.Then it only gives and advances with driven
End provides the 20% of maximum transmission device power.Then, usable transmission device power is equally only 20%, and can be by it
It is conveyed to control unit for vehicle, to notify usable transmission device power to operator.If travel speed is promoted, drive
The tendency of trackslipping of driving wheel can decline, so as to match limits value dependent on travel speed.Limits value can select as follows
It selects, that is, as travel speed promotion enables have more transmission device power to be used.If travel speed declines again, may be used also
To match limits value as follows again, that is, decline the usable transmission device power on traveling driven end equally.
It is further advantageous that manipulating transmission device as follows in the case where negative limits value, that is, keep transmission device defeated
Outlet and/or transmission input are brought into promotion.Negative limits value causes following transmission device to manipulate herein, makes it
Cause from traveling driven end to secondary driven end and/or the power flow of driving device.Therefore, it and it is running from driving device
The normal power flow for being oriented to traveling driven end and/or secondary driven end is opposite.
Furthermore it also proposed a kind of traveling transmission device for working truck, be used to drive the traveling of working truck
Use driven end.Working truck for example can be building, agricultural and/or forestry machinery.By means of traveling driven end, working truck
It can move.Traveling driven end for example may include such as driving wheel, pass through vehicle bridge and/or axis and traveling transmission device
Connection.
Traveling transmission device includes at least one transmission control units, at least can be with when working truck is run
Control traveling transmission device.Such as traveling transmission device can be controlled as follows, that is, change traveling transmission device
Transmission ratio.
Transmission control units have interface, can be with transmission control units exchanging control data via interface
And/or operation data.For example, control data may include that the input speed of traveling transmission device is converted to output revolving speed
It is expected that transmission ratio.Operation data may include the transmission ratio of input speed, output revolving speed and/or transmission device being adjusted.
Here, traveling is constructed in the following manner with transmission device, that is, can be according to one or more methods of preceding description
Feature is run.
Detailed description of the invention
The present invention is explained in more detail below with reference to attached drawing.Wherein:
Fig. 1 shows the schematical view of the working truck with driving device and power train；
Fig. 2 shows the charts for carrying out traveling power calculation；
Fig. 3 shows the chart of traveling power calculation, and it makes use of the limitations carried out by limits value；And
Fig. 4 shows the chart of traveling power calculation, and it makes use of the limitations carried out by limits value.
Specific embodiment
Fig. 1 shows the schematical view of working truck 1.Working truck 1 for example can be building, agricultural and/or woods
Industry is mechanical.Working truck 1 includes at least one driving device 2, and during working truck 1 is run, at least one is advanced with driven
End 3 and/or secondary driven end 4 are driven by the driving device.Here, traveling driven end 3 is used to that working truck 1 to be made to move,
For this purpose, traveling driven end 3 can drive such as driving wheel.At secondary driven end 4, such as Work machine can be connected to work
On industry vehicle 1.Secondary driven end 4 for example may include power output shaft, can drive farm equipment using power output shaft.Operation
Also there is vehicle 1 at least one to advance will be gone when working truck 1 is run by the traveling transmission device with transmission device 5
It guides into driven end power to driving wheel.In the present embodiment, driving wheel is made of the first rear-wheel 12 and the second rear-wheel 13, the
One rear-wheel and the second rear-wheel are arranged on rear axle 14.
In addition, working truck 1 has the first front-wheel 9 and the second front-wheel 10, the first front-wheel and the second front-wheel are arranged in preceding bridge
On 11.According to the present embodiment, driven device 2 does not drive front-wheel 9,10.However, additionally or alternatively, front-wheel 9,10 is same
It can be driven by driving device 2.
In driving device 2 and traveling with there also is provided drive shaft 15 between transmission device 5, so as to by driving power from driving
Device 2 is directed to traveling transmission device 5.Drive shaft 15, which can have, corresponding with the revolving speed of driving device 2 drives revolving speed.For
Traveling is guided from traveling transmission device 5 to traveling driven end 3, according to the Operation Van of the present embodiment with driven end power
1 has driven shaft 16, which connect traveling transmission device 5 with rear axle 14.Driven shaft 16 is by traveling driven end
In power transfer to driving wheel, driving wheel is two rear-wheels 12,13 herein.Driven shaft 16 can be to be different from driving revolving speed or horse
Driven revolving speed up to revolving speed rotates.Driving revolving speed can be converted to driven revolving speed with transmission device 5 by traveling, so as to realize
Working truck 1 quick proceeds slowly.Driven revolving speed can correspond to the travel speed of working truck 1 herein.
Here, traveling can have different titles with the revolving speed of transmission device 5.It is introduced into traveling transmission device 5
Revolving speed be properly termed as input speed or driving revolving speed.Output revolving speed is properly termed as from traveling with the revolving speed that transmission device 5 is drawn
Or driven revolving speed.This equally can be suitably used for torque.The torque being introduced into traveling transmission device 5 can be referred to as input torque
Or driving torque.With the torque that transmission device 5 is drawn output torque is properly termed as from traveling or from dynamic torque.
According to the present embodiment, secondary driven shaft 17 is arranged in drive shaft 15.By means of secondary driven shaft 17, function can will be driven
At least part of rate can be used for secondary driven end 4 with branch.Driving device 2 drives secondary driven end 4 and uses via advancing as a result,
Transmission device 5 drives traveling driven end 3.
In addition, traveling has at least one transmission device shown by traveling transmission device 5 herein with transmission device 5
Control unit 6 at least controls traveling transmission device 5 when working truck 1 is run.Transmission control units 6 can also be with
It is arranged in traveling transmission device 5.But transmission control units 6 can also be arranged in the outer of traveling transmission device 5
Portion.By means of transmission control units 6, such as it can change the transmission ratio of traveling transmission device 5.Traveling transmission device
5 can also include CVT transmission device (Continuously Variable Transmission (constantly variable transmission)),
It can equally be controlled by transmission control units 6.CVT transmission device is continuously variable transmittion, is advanced so as to pass through
It is infinitely adjusted with transmission device 5 and further guides torque and/or revolving speed.Additionally or alternatively, transmission device controls
Unit 6 also can control driving device 2.
Transmission control units 6 further include interface 7, can exchange control with transmission control units 6 via interface
Data and/or operation data.By control data, transmission control units 6 can at least control traveling transmission device 5.
For example, control data may include transmission ratio, so that transmission control units 6 can correspondingly control traveling transmission device
5.Operation data for example may include the operating status of at least traveling transmission device 5.Operation data may include revolving speed and/
Or it advances and uses the transmission ratio of transmission device 5.
According to the present embodiment, can be established between transmission control units 6 and control unit for vehicle 8 by interface 7
Connection.According to Fig. 1, which can be data connection 18, such as be configured to CAN bus.Via data connection 18
Can between transmission control units 6 and control unit for vehicle 8 exchanging control data and/or operation data.
Since driving device 2 drives secondary driven end 4 and traveling driven end 3, so that driving device 2 may be in working truck
It is overloaded on secondary driven end 4 in 1 specific traveling situation or in the workload of Work machine.For example, if working truck 1 with
Constant travel speed is climbed upwards, then driving device 2 must apply corresponding traveling driven end power.Row needed for going up a slope
Total maximum more than driving device 2 can be promoted into the power with driven end power and being additionally branched out on secondary driven end 4
Driving power.As a result, overload driving device 2.
It can be beneficial that not used to the traveling traveling that driven end 3 supplies maximum possible under other traveling situations
Driven end power.If working truck 1 for example moves on unguyed ground (such as forest floor), excessively high traveling is used
Driven end power will lead to driving wheel and skid and therefore destroy ground.
Although can make under traveling situation the operator of working truck 1 for example adjusted by accelerator pedal traveling with from
Moved end power, but driving wheel skidding or the overload of driving device 2 still may occur in the case where careless operation.
By limits value, traveling driven end power can be constrained.By limits value to traveling with driven end power into
With the help of capable limitation, even if in the case where accelerator pedal is manipulated completely, it also only can be by the guidance through limiting to traveling
With driven end 3.
In order to limit traveling driven end power, limits value can be conveyed to transmission by control unit for vehicle 8 via interface 7
Device control units 6, so that transmission control units 6 control traveling transmission device 5 dependent on limits value.
Here, limits value can be structured as the limits value of percentage formula, limit by transmission device 5 to percentage formula
Maximum transmission device power.Limits value can be such as 70%, so that transmission control units 6 be made to control as follows
It advances and uses transmission device 5, that is, make the 70% of the traveling driven end power of maximum possible to be directed into traveling driven end 3.By
This, such as can prevent from skidding in the present embodiment for the driving wheel of rear-wheel 12,13.In addition, limits value is advantageous, this be because
Traveling no longer must be for example controlled using accelerator pedal for the operator of the working truck 1 under the traveling situation of working truck 1
With driven end power.Although accelerator pedal can be maximally manipulated.But accelerator pedal is manipulated to 100% now still corresponding
In exemplary description maximum traveling with the 70% of driven end power.
Advantageously, the operator of working truck 1 can be manually entered limits value by means of control unit for vehicle 8.For this purpose, example
As manually adjusted above-mentioned 70% as limits value.But operator can also be additionally or alternatively in control unit for vehicle
Line of input process sequence on 8.The information that traveling program for example moves on forest floor comprising working truck 1.Operator can select
Fixed this case, and control unit for vehicle 8 is made to automatically create relevant limits value, then via data connection 18 by the limit
Value processed is conveyed to transmission control units 6.
Transmission control units 6 can also calculate current usable maximum transmission device power, can be with reference line
Into the maximum transmission device power with transmission device 5.Current usable maximum transmission device power can be with it is restricted
The relevant percent value of transmission device power.For example, if transmission control units 6 automatically limit transmission device power,
Then this for operator initially can not Direct Recognition arrive.Therefore, current usable transmission device power can be created and incited somebody to action
It is conveyed to control unit for vehicle 8, wherein and then the current usable transmission device power can be shown to operator.
For example, current usable transmission device power can be percent value relevant to maximum transmission device power.For example, operation
The maximum transmission device power that person can recognize only 30% is available.But current usable transmission device power may be used also
To include a kilowatt value.For example, operator can be notified for example to only have 50 kilowatts of transmission device power available.
In addition, transmission control units 6 can for example know current transmission device power.For this purpose, transmission device control
Unit 6 processed can measure adjustment, transmission ratio and/or the revolving speed of traveling transmission device 5, and thus know and be applied to row at the moment
Into with the current transmission device power on driven end 3.Current transmission device power can be used as and maximum transmission device function
The relevant percent value of rate is given.But current transmission device power is also possible to a kilowatt value.Current transmission device power
It can also be conveyed to control unit for vehicle 8 via data connection 18, for example to notify to operator.
It is further advantageous that transmission control units 6 and/or control unit for vehicle 8 are known by usable transmission device function
The difference that rate and current transmission device power obtain, to know still usable transmission device power.This still usable biography
Dynamic rating of set can be notified to operator, so that great amount can also be improved by so that it is understood transmission device power.
Fig. 2 shows the examples of the chart for carrying out traveling power calculation 19.In this example, it is drawn in the x-axis of chart
The revolving speed 20 of transmission device 5 is made.Revolving speed 20 for example can be the output revolving speed or driven revolving speed of traveling transmission device 5,
It is directed to traveling driven end 3.In the y-axis of the chart, the torque 21 of traveling transmission device 5 is drawn in this example.
Torque 21 for example can be the output torque of traveling transmission device 5, be directed into traveling driven end 3.Therefore, traveling function
The first curve 24 that rate calculates 19 chart can show the pass between the output revolving speed of traveling transmission device 5 and output torque
System.For example, output torque declines as output revolving speed is promoted.Such as it can be by multiplication by output revolving speed and output torque meter
Calculate traveling driven end power.Therefore, traveling driven end power can be known from the two values, wherein driven end is used in traveling
Power can especially change with output revolving speed and output torque.
By another chart not shown here, such as the given of driving device 2 and especially constant driving
For revolving speed, it may rely on output revolving speed and know traveling driven end power.Here, the figure of this traveling power calculation Figure 19
Table can have any different with the chart being shown here.Traveling power calculation 19 can be known by rule of thumb.For example, can be obtained on testboard
Knowing and doing is into power calculation 19.
In transmission control units 6 and/or multiple traveling power calculations 19 can also be stored in vehicle control section 8,
They can have different curves each other, and be associated with various adjustment, transmission ratio and/or the drive such as advanced with transmission device 5
The driving revolving speed of dynamic device 2.By means of traveling power calculation 19, each time point or each of working truck 1 can be informed in
Maximum transmission device power at operating point.
Fig. 2 also shows the normalization 22 of traveling power calculation 19.Revolving speed 20 especially advances and uses the defeated of transmission device 5
Revolving speed out can be plotted in x-axis again.In the y-axis of normalization 22, usable traveling driven end power can be drawn
23, traveling driven end 3 can be directed into in the particular job of transmission device 5 and/or driving device 2 point in traveling
Place.In the present embodiment, it is possible to traveling driven end power 23 be normalized to 100%, to make the second curve of chart
25 be the constant line at 100%.Normalization 22 according to fig. 2, usable traveling driven end power 23 are that maximum advance is used
Driven end power.In this example, limits value corresponds to 100%, so that traveling driven end power is not limited.
Fig. 3 shows the chart of traveling power calculation 19, has the limitation carried out by means of limits value.According to Fig. 3's
Traveling power calculation 19, torque 21, such as advance and use the output torque of transmission device 5, it is drawn again relative to revolving speed 20,
The revolving speed is, for example, the output revolving speed of traveling transmission device 5.Here, the first curve 24 and the second curve 25 can be corresponding to figures
The curve of 2 chart.
First curve 24 can for example can send the maximum of traveling driven end 3 to corresponding to traveling transmission device 5
It advances and uses driven end power.Second curve 25 of first curve 24 corresponding to normalization 22.Second curve 25 is for example corresponding to
The 100% of one curve 24 uses driven end power corresponding to maximum advance.
Traveling power calculation 19 also has third curve 26 and the 5th curve 28.Third curve 26 show for example dependent on
The torque 21 of revolving speed 20, wherein apply the limits value for 50%.For example, transmission control units 6 manipulate as follows
It advances and uses transmission device 5, that is, torque 21 can only be sent to and be advanced with driven dependent on 20 ground of revolving speed according to third curve 26
End 3.Decline by the torque 21 according to third curve 26 relative to the first curve 24, traveling driven end power equally declines.
In the traveling maximum traveling driven end power no longer provided on driven end 3 through the description of the first curve 24；But according to
Three curves 26, only wherein 50% maximum advance can be used with driven end power.Third curve 26 can describe usable traveling
It is in this example 50% with driven end power 23.
This is equally applicable to the 5th curve 28, such as the limits value described as 25%, thus by advancing with transmission dress
Setting 5 only can be transmitted 25% maximum traveling driven end power.
In normalization 22, further it is shown that the 4th curve 27 and the 6th curve 29.4th curve 27 can be corresponding to traveling
The third curve 26 of power calculation 19, wherein the steady state value that the 4th curve 27 has in this example for 50%.According to such as
One curve 24, usable traveling driven end power 23 are now only the 50% of maximum traveling driven end.6th curve 29 tool
Promising 25% steady state value, therefore, only wherein 25% maximum value is available according to the example.6th curve 29 for example corresponding to
5th curve 28 of traveling power calculation 19.
Fig. 4 is shown according to the traveling power calculation 19 by the limitation carried out by limits value of other embodiment
Chart.Here, the important difference with aforementioned figures should be discussed only.According to the 5th curve 28 of traveling power calculation 19, rely on
In the limits value of speed 20 be not constant, such as also show normalization 22 the 6th affiliated curve 29.Such as combine the 5th
With the 6th curve 28,29 it can be seen that ground, limits value is about 80% in the first revolving speed 32.According to traveling power calculation 19, row
The torque 21 below of the first curve 24 of maximum traveling driven end power is described into being only capable of exporting being located at transmission device 5.
If revolving speed 20 from the first revolving speed 32 is promoted to the second revolving speed 33, (thus the travel speed of working truck 1 can also relatively increase
Add), then limits value is continuously promoted, and reaches 100% when it is in the second revolving speed 33.5th curve 28 is close to the first curve
24, which depict the maximum traveling driven end power in some operating point.In addition, the 6th curve 29 is close to the second curve
25.For example, when working truck 1 is in soft movement over ground, the adjustable this limits value with rotation speed change.In order to anti-
Only wheel slip can reduce traveling driven end power under low revolving speed 20.When working truck 1 moves, can be improved
It advances and uses driven end power.
However, it is also possible to selectional restriction value as follows, that is, so that according to the 7th curve 30 of traveling power calculation 19
To limit traveling driven end power.Traveling driven end power is promoted from the first revolving speed 32 and is reached in third revolving speed 34
Maximum is into driven end power.8th curve 31 of normalization 22 is for example described dependent on the usable into driven end function of revolving speed 20
Rate 23.It is usable to reach maximum into the 100% of driven end power in third revolving speed 34 into driven end power 23.
The invention is not limited to shown or described embodiments.Modification within the scope of the claims is equally feasible
, for example combination of feature, even if they are to show and describe in different embodiments.
Reference signs list
1 working truck；
2 driving devices
3, which advance, uses driven end
4 secondary driven ends
5, which advance, uses transmission device
6 transmission control units
7 interfaces
8 control unit for vehicle
9 first front-wheels
10 second front-wheels
Bridge before 11
12 first rear-wheels
13 second rear-wheels
14 rear axles
15 drive shafts
16 driven shafts
17 secondary driven shafts
18 data connections
19 traveling power calculations 19
20 revolving speeds
21 torques
22 normalization
23 usable advance use driven end power
24 first curves
25 second curves
26 third curves
27 the 4th curves
28 the 5th curves
29 the 6th curves
30 the 7th curves
31 the 8th curves
32 first revolving speeds
33 second revolving speeds
34 third revolving speeds
Claims (14)
1. one kind is for running working truck (1), especially the traveling transmission device of building, agricultural and/or forestry machinery
(5) method, wherein in working truck operation, supplied to described advance with transmission device (5) by driving device (2)
Driving power, and described advance uses transmission device (5) by transmission device power output to traveling driven end (3), wherein institute
Traveling transmission device (5) are stated at least one transmission control units (6), at least one transmission device control is single
Member at least controls the traveling transmission device (5) when the working truck (1) is run, and wherein, transmission device control
Unit (6) has interface (7), can be with control unit for vehicle (8) exchanging control data and/or operation number via the interface
According to, which is characterized in that limits value is conveyed to transmission device control from the control unit for vehicle (8) via the interface (7)
Unit (6) is for limiting transmission device power, and the transmission control units (6) control traveling dependent on limits value
With transmission device (5).
2. the method according to claim 1, wherein the limits value known by control unit for vehicle (8) and/or
Creation.
3. the method according to claim 1, wherein operator of the limits value by the working truck (1)
It manually adjusts.
4. method according to claim 1 or 2, which is characterized in that the transmission control units and/
Or it is stored at least one power features curve in the control unit for vehicle (6,8), by least one described power features
Curve makes the transmission control units and/or the control unit for vehicle (6,8) dependent on traveling transmission device (5)
At least one output revolving speed and/or the driving revolving speed of the driving device (2) know that the maximum of traveling transmission device (5) passes
Dynamic rating of set.
5. method according to claim 1 to 4, which is characterized in that arrive maximum transmission device power limit
Limits value.
6. the method according to any one of claims 1 to 5, which is characterized in that will be gone by transmission control units (6)
Into the maximum transmission device power, usable transmission device power (23) and/or current transmission device function with transmission device (5)
Rate passes to control unit for vehicle (8).
7. method according to any one of claim 1 to 6, which is characterized in that by usable transmission device power (23)
And/or on current transmission device power normalization to the maximum transmission device power of traveling transmission device (5).
8. method according to any one of claim 1 to 7, which is characterized in that when transmission input power and institute
When thering is summation composed by other secondary customer to be more than the maximum drive power of driving device (2), improve for limiting transmission
The limits value of rating of set.
9. method according to any one of claim 1 to 7, which is characterized in that when by current transmission device power and
When summation composed by the summation of all other secondary customers is lower than the maximum drive power of driving device (2), reduction is used for
Limit the limits value of traveling output end power.
10. the method according to any one of claim 8 or 9, which is characterized in that the limits value improves or subtracts step by step
It is few.
11. the method according to claim 1, wherein in the case where working truck (1) breaks down by limit
Value processed limits transmission device power.
12. the method according to claim 1, wherein the limits value comes dependent on the revolving speed of driving device (2)
Know, to control transmission device power dependent on the travel speed of the working truck (1).
13. method according to any one of claim 1 to 12, which is characterized in that in the case where negative limits value, with
Traveling is with transmission device (5) as described under type control, that is, transmission device input torque is made to become negative.
14. one kind for working truck (1), the especially traveling of building, agricultural and/or forestry machinery with transmission device (5),
For the traveling transmission device for driving the traveling of the working truck (1) with driven end (3), transmission device is used in the traveling
With at least one transmission control units (6), at least one described transmission control units can at least control described
It advances and uses transmission device (5), wherein transmission control units (6) have interface (7), can be with transmission via the interface
Device control units (6) exchanging control data and/or operation data, which is characterized in that described to advance with transmission device (5) with such as
Under type is constituted, that is, enables the traveling transmission device according to according to claim 1 to described in any one of 13 or multinomial
Method operation.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017221977.7 | 2017-12-06 | ||
| DE102017221977.7A DE102017221977B4 (en) | 2017-12-06 | 2017-12-06 | Power limitation of the transmission power via external interface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110001650A true CN110001650A (en) | 2019-07-12 |
| CN110001650B CN110001650B (en) | 2024-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811473426.3A Active CN110001650B (en) | 2017-12-06 | 2018-12-04 | Power limiting of transmission power via external interface |
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| Country | Link |
|---|---|
| CN (1) | CN110001650B (en) |
| DE (1) | DE102017221977B4 (en) |
Families Citing this family (1)
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|---|---|---|---|---|
| IT202200009410A1 (en) * | 2022-05-06 | 2023-11-06 | Cnh Ind Italia Spa | IMPROVED METHOD FOR CONTROL OF A WORK VEHICLE ENGINE |
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| US6155955A (en) * | 1996-11-08 | 2000-12-05 | Zf Friedrichshafen Ag | Operating method for a motor vehicle driving unit |
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| EP1602522A1 (en) * | 2004-06-03 | 2005-12-07 | Zf Friedrichshafen Ag | Method to optimize the determination of the transmission input torque in vehicles having engine driven accessories |
| DE102004027062A1 (en) * | 2004-06-03 | 2005-12-22 | Zf Friedrichshafen Ag | Switching oscillations avoiding method for motor vehicle, involves determining real transmission input power and moment as function of engine speed, where optimal shifting-up point is found by criteria of halting power or traction force |
| US20060155452A1 (en) * | 2004-01-20 | 2006-07-13 | Jochen Strenkert | Method for operating a drive train of a motor vehicle |
| DE102005048533A1 (en) * | 2005-10-11 | 2007-04-12 | Daimlerchrysler Ag | Monitoring mechanical component, especially motor vehicle gearbox, involves controlling and/or regulating component and/or another device to reduce/restrict instantaneous load on component if impending failure of component detected |
| CN101809337A (en) * | 2007-09-28 | 2010-08-18 | 卡特彼勒公司 | The control system based on moment of torsion of stepless speed variator |
| DE102014204902A1 (en) * | 2014-03-17 | 2015-09-17 | Zf Friedrichshafen Ag | Method for actuating a continuously power-split transmission device |
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2017
- 2017-12-06 DE DE102017221977.7A patent/DE102017221977B4/en active Active
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|---|---|---|---|---|
| US5679085A (en) * | 1995-04-05 | 1997-10-21 | Claas Kgaa | Vehicle propulsion unit and method for controlling same |
| US6155955A (en) * | 1996-11-08 | 2000-12-05 | Zf Friedrichshafen Ag | Operating method for a motor vehicle driving unit |
| CN1665696A (en) * | 2002-07-10 | 2005-09-07 | 腓特烈斯港齿轮工厂股份公司 | Method and device for controlling functions of an occupational vehicle |
| US20060155452A1 (en) * | 2004-01-20 | 2006-07-13 | Jochen Strenkert | Method for operating a drive train of a motor vehicle |
| EP1602522A1 (en) * | 2004-06-03 | 2005-12-07 | Zf Friedrichshafen Ag | Method to optimize the determination of the transmission input torque in vehicles having engine driven accessories |
| DE102004027062A1 (en) * | 2004-06-03 | 2005-12-22 | Zf Friedrichshafen Ag | Switching oscillations avoiding method for motor vehicle, involves determining real transmission input power and moment as function of engine speed, where optimal shifting-up point is found by criteria of halting power or traction force |
| DE102005048533A1 (en) * | 2005-10-11 | 2007-04-12 | Daimlerchrysler Ag | Monitoring mechanical component, especially motor vehicle gearbox, involves controlling and/or regulating component and/or another device to reduce/restrict instantaneous load on component if impending failure of component detected |
| CN101809337A (en) * | 2007-09-28 | 2010-08-18 | 卡特彼勒公司 | The control system based on moment of torsion of stepless speed variator |
| DE102014204902A1 (en) * | 2014-03-17 | 2015-09-17 | Zf Friedrichshafen Ag | Method for actuating a continuously power-split transmission device |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102017221977B4 (en) | 2022-09-29 |
| DE102017221977A1 (en) | 2019-06-06 |
| CN110001650B (en) | 2024-09-06 |
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