CN104912681A - Control method of electronic fuel injection engine with double torque curves - Google Patents
Control method of electronic fuel injection engine with double torque curves Download PDFInfo
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- CN104912681A CN104912681A CN201510374788.7A CN201510374788A CN104912681A CN 104912681 A CN104912681 A CN 104912681A CN 201510374788 A CN201510374788 A CN 201510374788A CN 104912681 A CN104912681 A CN 104912681A
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- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a control method of an electronic fuel injection engine with double torque curves, pertaining to the field of mechanical control. The electronic fuel injection engine is provided with a controller used for controlling the engine to output different torques of a high-torque curve mode and a low-torque curve mode. The high-torque curve mode is used for controlling the engine to output high torque. The low-torque curve mode is used for controlling the engine to output low torque. The control method comprises following steps: step 1, the working condition of the engine is determined; step 2, if the engine is in the working condition of heavy duty, the controller is used for controlling the engine to output high torque by means of the high-torque curve mode; when the engine is the working condition of light weight, the controller is used for controlling the engine to output low torque by means of the low-torque curve mode.The technical scheme of the control method is capable of selecting different torque output based on different working conditions so that fuel consumption is reduced and cost is decreased.
Description
Technical field
The invention belongs to Mechanical course field, relate to a kind of controlling method of motor, particularly relate to a kind of controlling method with two torque curve electronic fuel injection engine.
Background technique
At present, the motor that loader is supporting uses single moment of torsion curve of output.No matter being which kind of operating mode, is all arrange for worst operating mode.
When this configuration pin is to severe duty, be more favourable, but during relative to light duty, do not need high pulling torque to export.When rotating speed is identical, the corresponding small-power of low moment of torsion, high moment of torsion correspondence are high-power, the corresponding low oil consumption of small-power, the high oil consumption of high-power correspondence.
Therefore, there is following shortcoming in the controlling method of the Engine torque that existing loader is supporting:
1) single power curve can only be operated in;
2) display device Presentation Function is single;
3) oil consumption is relatively high;
4) there is not automatic control function.
Summary of the invention
In view of this, the invention provides a kind of controlling method with two torque curve electronic fuel injection engine.
For achieving the above object, concrete technological scheme is as follows:
A kind of controlling method with two torque curve electronic fuel injection engine, described motor is provided with controller, described controller comprises control motor and exports the high torque profile mode of different moment of torsion and low torque profile mode, described high torque profile mode controls described motor and exports high moment of torsion, described low torque profile mode controls described motor and exports low moment of torsion, and described controlling method comprises the following steps:
Step 1, judges the operating mode residing for described motor;
Step 2, if when described motor is in severe duty, described controller controls motor by high torque profile mode and exports high moment of torsion; When described motor is in light duty, described controller controls motor by low torque profile mode and exports low moment of torsion.
Preferably, also comprise master controller, described master controller is connected with the controller on it with described motor respectively, and described step 1 comprises described master controller and monitors operating mode residing for described motor in real time; Described step 2 comprises described master controller and sends signal according to the operating mode of the motor of monitoring to the controller of motor, is exported by motor described in engine controller controls.
Preferably, described master controller also comprises display device, described display device shows the operating mode of the motor of described master controller monitoring in real time.
Preferably, also comprise the first selector switch, described master controller is connected with the controller of described motor by described first selector switch, also comprises the selection controlled manually or automatically by the first selector switch in described step 1.
Preferably, also comprise the second selector switch, described second selector switch is connected with low torque profile mode with the high torque profile mode of the controller of described motor respectively, also comprises the switching being carried out high torque profile mode and low torque profile mode by the second selector switch in described step 2.
Preferably, described first selector switch and the second selector switch are three GSS Gear Select Switch.
Preferably, the controller of described master controller and described motor is by J1939 bus communication.
Preferably, the controller of described motor is the EFI module controller that motor carries.
Preferably, be applicable in loader.
Relative to prior art, the advantage of technological scheme of the present invention has:
1, motor can select different power curve according to different operating modes;
2, do not increase sensor, utilize and start machine-processed device controlling functions to carry out control and optimize;
3, reduce energy loss;
4, the operator adapting to varying level carry out simple operations;
5, the convenient monitoring of power rating.
Accompanying drawing explanation
The accompanying drawing forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the overall structure schematic diagram of the mechanism that the embodiment of the present invention is suitable for;
Fig. 2 is the schematic flow sheet of the embodiment of the present invention.
Wherein: U1 is engine controller, U3 is master controller, S1 is the first selector switch, S2 is the second selector switch.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.
Below with reference to accompanying drawing, concrete explaination is done to embodiments of the invention, and be described for the ballast system being applicable to 18000 Container ships.
A kind of controlling method with two torque curve electronic fuel injection engine of embodiments of the invention as shown in Figures 1 and 2, is preferably applicable on loader.
Overall structure comprises motor from tape controller (ECM) U1, master controller U3, two three GSS Gear Select Switch S1 and S2.
Selector switch S1 and S2 is respectively used to automatic or manual selector switch and high and low torque profile mode selects control switch.
The two torque profile mode of motor in tape controller (ECM) U1, when the first selector switch S1 is at manual mode, the two ends of the second selector switch S2 are connected respectively to engine electric spray module controller (ECM) U1 analog input interface 0V and+5V, the foundation that motor is selected as high and low moment of torsion according to this two signals.
In addition, when the first selector switch S1 is at auto state, also can be communicated with electronic fuel injection engine controller (ECM) U1 by master controller U3, according to the Annual distribution of engine operation when different rotating speeds and moment of torsion of monitoring, carry out the conversion of adaptive torque curve model.Master controller U3 also has Presentation Function, in real time the power curve state of display motor.
As shown in fig. 1, master controller U3 adopts J1939 bus can adapt to manually or automatically select to select in two moment of torsion-tachometers in engine electric spray module controller (ECM) U1.Two tables corresponding low moment of torsion and high torque profile mode respectively, and the initial output of preferred engine acquiescence is low torque profile mode.
The two ends of the second selector switch S2 are connected respectively to the unsettled and+5V of engine electric spray module controller (ECM) U1 analog input interface.Motor according to these two signals as high and low torque profile mode and adaptively selected foundation.When engine electric spray module controller (ECM) U1 port+5V inputs, then the high and low torque profile mode of corresponding selection exports; Time unsettled, adopt the adaptively selected high and low torque profile mode of J1939 bus.
No matter the first selector switch S1 is in adaptive state manually or automatically, and master controller U3 can show the power curve state that motor is worked as in real time.
Embodiments of the invention adopt motor from tape controller (ECM) U1, master controller U3, two three GSS Gear Select Switch S1, S2.When loader carries out severe duty operation, select high torque profile mode; When loader carries out the operation of underloading material operating mode, select low torque profile mode, when low torque curve work.
Be described in detail specific embodiments of the invention above, but it is just as example, the present invention is not restricted to specific embodiment described above.To those skilled in the art, any equivalent modifications that the present invention is carried out and substituting also all among category of the present invention.Therefore, equalization conversion done without departing from the spirit and scope of the invention and amendment, all should contain within the scope of the invention.
Claims (9)
1. the controlling method of the two torque curve electronic fuel injection engine of band, described motor is provided with controller, described controller comprises control motor and exports the high torque profile mode of different moment of torsion and low torque profile mode, described high torque profile mode controls described motor and exports high moment of torsion, described low torque profile mode controls described motor and exports low moment of torsion, it is characterized in that, described controlling method comprises the following steps:
Step 1, judges the operating mode residing for described motor;
Step 2, if when described motor is in severe duty, described controller controls motor by high torque profile mode and exports high moment of torsion; When described motor is in light duty, described controller controls motor by low torque profile mode and exports low moment of torsion.
2. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 1, it is characterized in that, also comprise master controller, described master controller is connected with the controller on it with described motor respectively, and described step 1 comprises described master controller and monitors operating mode residing for described motor in real time; Described step 2 comprises described master controller and sends signal according to the operating mode of the motor of monitoring to the controller of motor, is exported by motor described in engine controller controls.
3. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 2, is characterized in that, described master controller also comprises display device, and described display device shows the operating mode of the motor of described master controller monitoring in real time.
4. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 3, it is characterized in that, also comprise the first selector switch, described master controller is connected with the controller of described motor by described first selector switch, also comprises the selection controlled manually or automatically by the first selector switch in described step 1.
5. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 4, it is characterized in that, also comprise the second selector switch, described second selector switch is connected with low torque profile mode with the high torque profile mode of the controller of described motor respectively, also comprises the switching being carried out high torque profile mode and low torque profile mode by the second selector switch in described step 2.
6. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 5, it is characterized in that, described first selector switch and the second selector switch are three GSS Gear Select Switch.
7. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 6, is characterized in that, the controller of described master controller and described motor is by J1939 bus communication.
8. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 7, it is characterized in that, the controller of described motor is the EFI module controller that motor carries.
9. the controlling method of the two torque curve electronic fuel injection engine of band as claimed in claim 1, is characterized in that, be applicable in loader.
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CN201510374788.7A CN104912681A (en) | 2015-06-30 | 2015-06-30 | Control method of electronic fuel injection engine with double torque curves |
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CN201510374788.7A CN104912681A (en) | 2015-06-30 | 2015-06-30 | Control method of electronic fuel injection engine with double torque curves |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108104959A (en) * | 2017-12-13 | 2018-06-01 | 天津雷沃发动机有限公司 | A kind of non-road engines electronic controlled power output control method |
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CN101568692A (en) * | 2007-02-09 | 2009-10-28 | 日立建机株式会社 | Pump torque control device for hydraulic construction machine |
EP2202429A1 (en) * | 2007-10-25 | 2010-06-30 | Komatsu Ltd | Working vehicle and method of controlling working vehicle |
CN102383454A (en) * | 2011-08-30 | 2012-03-21 | 徐州徐工挖掘机械有限公司 | Device and method for controlling throttle of electronic fuel injection diesel engine for excavator |
CN102677714A (en) * | 2012-06-11 | 2012-09-19 | 上海三一重机有限公司 | Rotational speed control device and method for excavator and excavator with rotational speed control device |
CN103334843A (en) * | 2013-06-27 | 2013-10-02 | 山东临工工程机械有限公司 | Land lever variable-power control system |
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2015
- 2015-06-30 CN CN201510374788.7A patent/CN104912681A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101568692A (en) * | 2007-02-09 | 2009-10-28 | 日立建机株式会社 | Pump torque control device for hydraulic construction machine |
EP2202429A1 (en) * | 2007-10-25 | 2010-06-30 | Komatsu Ltd | Working vehicle and method of controlling working vehicle |
CN102383454A (en) * | 2011-08-30 | 2012-03-21 | 徐州徐工挖掘机械有限公司 | Device and method for controlling throttle of electronic fuel injection diesel engine for excavator |
CN102677714A (en) * | 2012-06-11 | 2012-09-19 | 上海三一重机有限公司 | Rotational speed control device and method for excavator and excavator with rotational speed control device |
CN103334843A (en) * | 2013-06-27 | 2013-10-02 | 山东临工工程机械有限公司 | Land lever variable-power control system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108104959A (en) * | 2017-12-13 | 2018-06-01 | 天津雷沃发动机有限公司 | A kind of non-road engines electronic controlled power output control method |
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Application publication date: 20150916 |