CN102410093B - Implementation method and control system for automatically improving on-load idling of engine of engineering truck - Google Patents
Implementation method and control system for automatically improving on-load idling of engine of engineering truck Download PDFInfo
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- CN102410093B CN102410093B CN 201110399160 CN201110399160A CN102410093B CN 102410093 B CN102410093 B CN 102410093B CN 201110399160 CN201110399160 CN 201110399160 CN 201110399160 A CN201110399160 A CN 201110399160A CN 102410093 B CN102410093 B CN 102410093B
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 239000000295 fuel oil Substances 0.000 claims description 10
- 239000003921 oil Substances 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000000446 fuel Substances 0.000 abstract description 11
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The invention relates to a realization method for automatically increasing the loaded idling speed of an engine of a engineering vehicle and an engine idling speed control system. The control system comprises an electric control fuel injection system, a controller, an operating handle of the engineering truck, two target rotating speed storage units and an enable key arranged on the operating handle, wherein the controller is connected with the operating handle, the enable key and an ECU of the engine. The method and the system can reduce the oil consumption and the carbon emission of the engineering truck and reduce the cost of the engine of the engineering truck.
Description
Technical field
The present invention relates to the idle speed control of motor, particularly the high engine of engineering vehicle band of automatic lifting carries implementation method and the engine idling control system of idling.
Background technique
Along with global energy is nervous, climate warming, the needs of energy-saving and emission-reduction are more and more urgent.Because major works car stand-by period before operation is longer, before the crane gear lifting, prepare fishing tackle, hook etc., cause the unloaded idle time of motor longer.And existing engineering truck only has a kind of idling speed, the needs of engineer operation when satisfying idling, the fretting performance of embodiment device better, all leave more power headroom during the motor type selecting, be the peak output that the rated output power of motor all needs greater than equipment, and the idling of motor is all set relatively highly.Therefore, there is following technological deficiency in existing engineering truck: 1. fuel consumption is large, and carbon emission is large, not energy-conserving and environment-protective.2. the motor cost is relatively high.
Chinese invention patent application CN101737184A discloses a kind of automobile engine starting and idling fuel cut-off operation control system and controlling method, it is by arranging a hybrid electric motor, after engine operation, the driven by engine hybrid electric motor rotates, and hybrid electric motor is charge in batteries as generator, when engine idling operation, storage battery is powered to hybrid electric motor, hybrid electric motor is as the motor run engine running, and engine oil path cuts off, and misfires.When the method can make automobile wait signaling lamp at the parting of the ways and in other situation about need to suspend, without oil consumption motor is remained on idling mode, can reach the purpose of saving fuel oil and reducing discharging.But this control system and method are to utilize storage battery to keep idling mode, because the storage battery charge capacity of fuel power car is less, the very little stock car of load when therefore this control system and method only are suitable for idling, for engineering truck, because the idling load is larger, and the long idling of engineering truck needs, the electric weight of storage battery can't be kept its idling mode at all.
Summary of the invention
The present invention aims to provide implementation method and the control system that the high engine of engineering vehicle band of a kind of automatic lifting carries idling, to reduce fuel consumption and the carbon emission amount of engineering truck, reduces the cost of its motor.
The high engine of engineering vehicle band of automatic lifting of the present invention carries the implementation method of idling, comprising:
Determine that motor carries the first object rotating speed of idling mode at band;
Operating grip at engineering truck arranges enable key;
Controller is set, this controller is connected with enable key with ECU (electronic control unit) and the described operating grip of motor;
Described controller is according to the state of described operating grip and enable key, identification zero load and band carry the effective conversion between the operating mode, and then when zero load is changed to band idling, the ECU of control engine controls target with described first object rotating speed as rotating speed, controls electric control fuel oil jet system with the rotating speed raising of motor and maintains described first object rotating speed.
Preferably, definite motor is being with the first object rotating speed that carries idling mode by the following method: the Maximum Torque that motor need be exported when at first calculating the maximum load operating mode, then determine described first object rotating speed according to the moment of torsion-speed curves of the described Maximum Torque that calculates and this motor.
Preferably, by formula Q
Emax=Q
e+ (Q
P1+ Q
P2+----+Q
Pn)/(i* η
1* η
2) motor need be exported when calculating the maximum load operating mode Maximum Torque Q
Emax, wherein, Q
eBe engine accessory power rating running required torque, Q
P1----Q
PnRequired torque during the oil hydraulic pump p1----pn overflow situation of working when being respectively the maximum load operating mode, i is the transfer case velocity ratio, η
1Be transfer case transmission efficiency, η
2Be hydraulic pump driving efficient.
Preferably, described controller is the PLC of described engineering truck.
The present invention is used for the engine idling control system of engineering truck, comprises electric control fuel oil jet system, also comprises:
Controller;
The operating grip of engineering truck is connected with described controller, is used for operation information is transferred to controller, makes controller identification motor be in unloaded state and still is with the state of carrying;
Enable key is arranged on the described operating grip and with described controller and is connected, and when enable key was pressed, the operation information that operating grip is transferred to controller just was considered to effective; With
Two rotating speed of target storage unit are respectively applied to preset motor and carry the first object rotating speed of idling mode and the second rotating speed of target of unloaded idling mode at band;
Described controller is connected with the ECU of motor, is used for controlling described ECU and selects rotating speed control target from described first object rotating speed and the second rotating speed of target, carries out fuel Injection Control, and engine operation is at different rotating speeds when making unloaded idling carry idling with band.
Preferably, described controller is the PLC of described engineering truck.
Preferably, described controller is PLC independently.
Preferably, described two rotating speed of target storage unit are arranged in the ECU of motor.
Preferably, described two rotating speed of target storage unit are arranged in described controller.
Preferably, comprise that also pin is stepped on the gas and/or CAN bus manual accelerator control, they are connected with the ECU of motor, are used at idling operation motor being realized stepless speed regulation.
The present invention arranges two kinds of idling rotating speed of target, utilize the operating grip of enable key, controller, engineering truck and the ECU of motor, control engine when band carries idling automatically with higher rotation speed operation, and when unloaded idling automatically with lower rotation speed operation, thereby can be in the fretting performance of the equipment of assurance, the friction loss of the fuel consumption when reducing unloaded idling, carbon emission amount and motor.Simultaneously, band in the situation that satisfies the full-load operation of not stepping on the gas, can be selected the less motor of rated power, thereby can reduce the cost of motor after carrying the idling raising.
Engine idling control system in the some embodiments of the invention is provided with enable key at operating grip, the signal that only has when enable key is pressed operating grip to be transferred to controller just is taken as useful signal, can when realizing automatically control, effectively avoid bumping the wrong timing that operating grip causes because of mistake, use safety, reliable.
After adopting the method and control system in the some embodiments of the invention, motor carries in the process of idle running in unloaded idling or band, steps on the gas by pin and still can realize stepless time adjustment to motor with the bus throttle.
Description of drawings
Fig. 1 is the formation schematic representation of the engine idling control system that is used for engineering truck in the some embodiments of the invention.
Fig. 2 is the moment of torsion of a kind of motor of invention among some embodiments-rotation speed relation figure.
Embodiment
For making those skilled in the art more clearly understand the present invention, do more detailed description below in conjunction with accompanying drawing, but these explanations are not limited to protection scope of the present invention.
With reference to Fig. 1, the engine idling control system that is used for engineering truck in the some embodiments of the invention can comprise operating grip 3, enable key 4 and two rotating speed of target storage unit (not shown)s of electric control fuel oil jet system 1, controller 2, engineering truck.
The structure of electric control fuel oil jet system 1 is the common practise of engine art, and it is by the aperture of ECU 11 control air valves of motor and the fuel injection pulsewidth of oil sprayer, and control enters air quantity and the fuel injection quantity of motor, realizes the control to engine speed.When idling, the rotating speed of ECU 11 Real-time Collection motors, with the idling rotating speed of target of setting relatively after, the aperture of output signal control air valve and the fuel injection pulsewidth of oil sprayer are realized closed loop control, the rotating speed of target running that engine control is being set.The present invention does not do improvement to the structure of engine electric control fuel oil spraying system yet, so locate no longer to describe in detail.
Operating grip 3 is connected with controller 2, is used for operation information is transferred to controller 2, makes controller 2 identification motors be in unloaded state and still is with the state of carrying.
Two rotating speed of target storage unit are used for respectively presetting motor and carry the first object rotating speed of idling mode and the second rotating speed of target of unloaded idling mode at band.Storage unit among the ECU 11 of two rotating speed of target storage unit preferred engines, but be not limited to this, for example, also can adopt the storage unit in the described controller 2.
Controller 2 is preferably the PLC of engineering truck, controller 2 is connected with the ECU 11 of motor, be used for control ECU 11 and select rotating speed control target from first object rotating speed and the second rotating speed of target, carry out fuel Injection Control, engine operation is at different rotating speeds when making unloaded idling carry idling with band.Be appreciated that ground, controller 2 also can adopt an independently small PLC.
Some embodiments of the invention also provide the high engine of engineering vehicle band of a kind of automatic lifting to carry the implementation method of idling, and the method comprises:
Determine that motor carries the first object rotating speed of idling mode at band;
Operating grip 3 at engineering truck arranges enable key 4;
Controller 2 is set, the ECU 11 of this controller 2 and motor and operating grip 3 are connected with enable key are connected;
Described controller 2 is according to the state of described operating grip 3 and enable key 4, identification zero load and band carry the effective conversion between the operating mode, and then when zero load is changed to band idling, the ECU 11 of control engine controls target with the first object rotating speed as rotating speed, controls electric control fuel oil jet system 1 with the rotating speed raising of motor and maintains described first object rotating speed.
In certain embodiments, can determine by the following method that motor carries the first object rotating speed of idling mode at band: the Maximum Torque that motor need be exported when at first calculating the maximum load operating mode, then determine described first object rotating speed according to the moment of torsion-speed curves of the described Maximum Torque that calculates and this motor.Be illustrated in figure 2 as a kind of moment of torsion of motor-rotation speed relation figure, flame-out for guaranteeing motor, the Maximum Torque Q that can export when band carries idling
IBeing slightly larger than the described Maximum Torque that calculates gets final product.
In certain embodiments, can pass through formula Q
Emax=Q
e+ (Q
P1+ Q
P2+----+Q
Pn)/(i* η
1* η
2) motor need be exported when calculating the maximum load operating mode Maximum Torque Q
Emax, wherein, Q
eBe engine accessory power rating (comprising generator, fan etc.) running required torque, Q
P1----Q
PnRequired torque during the oil hydraulic pump p1----pn overflow situation of working when being respectively the maximum load operating mode, i is the transfer case velocity ratio, η
1Be transfer case transmission efficiency, η
2Be hydraulic pump driving efficient.
5 step on the gas for pin among Fig. 1,6 is CAN bus manual accelerator control, after idling improves, pin step on the gas 5 and CAN bus manual accelerator control 6 still effective, namely unloaded belt speed state and band carry idling mode still can by pin step on the gas 5 or 6 pairs of motors of CAN bus manual accelerator control carry out stepless time adjustment.
Be appreciated that ground, the technological scheme in the some embodiments of the invention can be used for various engineering trucks, such as pedrail crane etc., can reach following technique effect at least:
1. energy-conserving and environment-protective
The unloaded idling of motor can be down to minimum, thereby reduces unloaded oil consumption and discharging when idle.
Select the motor of rated power less, noise is just relatively less during work, has more the feature of environmental protection.
2. cost
The rated power of motor is less, and price is lower; Simultaneously, each peripheral unit of motor also can a relatively little model.Therefore select relatively less motor of rated power, but reduce purchasing cost.
The above only is preferred implementation of the present invention, and protection scope of the present invention also not only is confined to above-described embodiment, and all technological schemes that belongs under the thinking of the present invention all belong to protection scope of the present invention.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the principle of the invention prerequisite, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. the high engine of engineering vehicle band of automatic lifting carries the implementation method of idling, it is characterized in that the method comprises:
Determine that motor carries the first object rotating speed of idling mode at band;
Operating grip at engineering truck arranges enable key;
Controller is set, this controller is connected with enable key with ECU and the described operating grip of motor;
Described controller is according to the state of described operating grip and enable key, identification zero load and band carry the effective conversion between the operating mode, and then when zero load is changed to band idling, the ECU of control engine controls target with described first object rotating speed as rotating speed, controls electric control fuel oil jet system with the rotating speed raising of motor and maintains described first object rotating speed.
2. the high engine of engineering vehicle band of automatic lifting according to claim 1 carries the implementation method of idling, it is characterized in that, definite motor is being with the first object rotating speed that carries idling mode by the following method: the Maximum Torque that motor need be exported when at first calculating the maximum load operating mode, then determine described first object rotating speed according to the moment of torsion-speed curves of the described Maximum Torque that calculates and this motor.
3. the high engine of engineering vehicle band of automatic lifting according to claim 2 carries the implementation method of idling, it is characterized in that: by formula Q
Emax=Q
e+ (Q
P1+ Q
P2+ ┉+Q
Pn)/(i* η
1* η
2) motor need be exported when calculating the maximum load operating mode Maximum Torque Q
Emax, wherein, Q
eBe engine accessory power rating running required torque, Q
P1┉ Q
PnRequired torque during the oil hydraulic pump p1 ┉ pn overflow situation of working when being respectively the maximum load operating mode, i is the transfer case velocity ratio, η
1Be transfer case transmission efficiency, η
2Be hydraulic pump driving efficient.
4. the high engine of engineering vehicle band of automatic lifting according to claim 1 carries the implementation method of idling, it is characterized in that: described controller is the PLC of described engineering truck.
5. an engine idling control system that is used for engineering truck comprises electric control fuel oil jet system, it is characterized in that, also comprises:
Controller;
The operating grip of engineering truck is connected with described controller, is used for operation information is transferred to controller, makes controller identification motor be in unloaded state and still is with the state of carrying;
Enable key is arranged on the described operating grip and with described controller and is connected, and when enable key was pressed, the operation information that operating grip is transferred to controller just was considered to effective; With
Described controller is according to the state of described operating grip and enable key, identification zero load and band carry the effective conversion between the operating mode, and then when zero load is changed to band idling, the ECU of control engine controls target with described first object rotating speed as rotating speed, controls electric control fuel oil jet system with the rotating speed raising of motor and maintains described first object rotating speed.
6. engine idling control system according to claim 5, it is characterized in that: described controller is the PLC of described engineering truck.
7. engine idling control system according to claim 5 is characterized in that: described controller is PLC independently.
8. engine idling control system according to claim 5, it is characterized in that: comprise that also pin is stepped on the gas and/or CAN bus manual accelerator control, they are connected with the ECU of motor, are used at idling operation motor being realized stepless speed regulation.
9. engine idling control system according to claim 5 is characterized in that: by formula Q
Emax=Q
e+ (Q
P1+ Q
P2+ ┉+Q
Pn)/(i* η
1* η
2) motor need be exported when calculating the maximum load operating mode Maximum Torque Q
Emax, wherein, Q
eBe engine accessory power rating running required torque, Q
P1┉ Q
PnRequired torque during the oil hydraulic pump p1 ┉ pn overflow situation of working when being respectively the maximum load operating mode, i is the transfer case velocity ratio, η
1Be transfer case transmission efficiency, η
2Be hydraulic pump driving efficient.
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|---|---|---|---|
| CN 201110399160 CN102410093B (en) | 2011-12-05 | 2011-12-05 | Implementation method and control system for automatically improving on-load idling of engine of engineering truck |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110399160 CN102410093B (en) | 2011-12-05 | 2011-12-05 | Implementation method and control system for automatically improving on-load idling of engine of engineering truck |
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| CN102410093B true CN102410093B (en) | 2013-03-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103883404A (en) * | 2012-12-20 | 2014-06-25 | 北汽福田汽车股份有限公司 | Vehicle fuel-saving system and vehicle fuel-saving method |
| CN104088710B (en) * | 2014-07-10 | 2017-06-30 | 三一汽车起重机械有限公司 | Engineering truck and its engine revolution speed control system and method |
| US10037634B2 (en) * | 2016-03-22 | 2018-07-31 | Deere & Company | System and method for idle state determination |
| CN108382203B (en) * | 2018-03-01 | 2020-03-31 | 淄博职业学院 | Control device for long-time idling state of automobile |
| 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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| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2002030954A (en) * | 2001-04-24 | 2002-01-31 | Hitachi Constr Mach Co Ltd | Prime mover revolution control device for hydraulic running vehicle |
| US7104924B2 (en) * | 2004-09-20 | 2006-09-12 | Detroit Diesel Corporation | System and method for controlling engine idle speed based on operational state settings |
| JP4473200B2 (en) * | 2005-09-08 | 2010-06-02 | 日立建機株式会社 | Motor vehicle control device for work vehicle |
| JP2009068351A (en) * | 2007-09-11 | 2009-04-02 | Tcm Corp | Engine controller of work vehicle |
| JP2010163946A (en) * | 2009-01-15 | 2010-07-29 | Hitachi Constr Mach Co Ltd | Motor controlling device for working vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
Non-Patent Citations (4)
| Title |
|---|
| JP特开2002-030954A 2002.01.31 |
| JP特开2007-071135A 2007.03.22 |
| JP特开2009-068351A 2009.04.02 |
| JP特开2010-163946A 2010.07.29 |
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