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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
controller
motor
fuel injection
torque
engine
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201510374788.7A
Other languages
Chinese (zh)
Inventor
邓振中
杨松
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sany Heavy Machinery Ltd
Original Assignee
Sany Heavy Machinery Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sany Heavy Machinery Ltd filed Critical Sany Heavy Machinery Ltd
Priority to CN201510374788.7A priority Critical patent/CN104912681A/en
Publication of CN104912681A publication Critical patent/CN104912681A/en
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
  • 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

A kind of controlling method with two torque curve electronic fuel injection engine
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.
CN201510374788.7A 2015-06-30 2015-06-30 Control method of electronic fuel injection engine with double torque curves Pending CN104912681A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510374788.7A CN104912681A (en) 2015-06-30 2015-06-30 Control method of electronic fuel injection engine with double torque curves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510374788.7A CN104912681A (en) 2015-06-30 2015-06-30 Control method of electronic fuel injection engine with double torque curves

Publications (1)

Publication Number Publication Date
CN104912681A true CN104912681A (en) 2015-09-16

Family

ID=54082066

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510374788.7A Pending CN104912681A (en) 2015-06-30 2015-06-30 Control method of electronic fuel injection engine with double torque curves

Country Status (1)

Country Link
CN (1) CN104912681A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Citations (5)

* Cited by examiner, † Cited by third party
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN108204285B (en) Multi-curve power matching energy-saving control system and method for hydraulic engineering machinery
CN102021925B (en) Control system and method for matching excavator power
EP1968184A3 (en) Motor controller and motor control system
CN103482476A (en) Control device for increasing variable-amplitude falling speed of crane
CN103711170B (en) Hybrid excavator control method
CN103727076A (en) Hydraulic-controlled rotation control device and crane rotation system
CN104295729A (en) Control method and device used for working condition parameters when motor vehicle conducts take-off of power
CN105545503B (en) The energy-saving control method and system of engine
CN204458598U (en) A kind of hydraulic system and there is its engineering machinery
CN102078671A (en) Method and device for rapidly adjusting water yield and effluent pressure of hydraulic monitor of fire engine
CN101851942B (en) Automatic gear shift drive device for bulldozer and gear shift control method
CN104912681A (en) Control method of electronic fuel injection engine with double torque curves
CN101117807B (en) Constant-speed control method and device of leveler
CN103204155B (en) A kind of control method of hybrid power system for automobile shift mode and control setup
CN102864810B (en) A kind of engineering machinery hydraulic energy saver and control method and excavator
CN202008588U (en) Proportional valve control circuit
CN102116203A (en) Method and device for controlling accelerator of water pump of fire fighting truck
CN210912403U (en) Hybrid power system
CN205225919U (en) Fluid pump controller
CN110588631B (en) Control method of hybrid power system
CN201619491U (en) Automobile automatic unloading system
CN108287516A (en) A kind of frequency conversion drive formula anchor winch is from tensioning control system and from tensioning control method
CN211395807U (en) Electric loader work control system
CN103925090A (en) Dynamic energy conservation system, dynamic energy conservation method and engineering machinery
CN103378798A (en) Variable frequency driving system of anchor winch

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20150916