CN102937053A - Electronic control multi-power fuel injection system of diesel engine - Google Patents
Electronic control multi-power fuel injection system of diesel engine Download PDFInfo
- Publication number
- CN102937053A CN102937053A CN2012104897074A CN201210489707A CN102937053A CN 102937053 A CN102937053 A CN 102937053A CN 2012104897074 A CN2012104897074 A CN 2012104897074A CN 201210489707 A CN201210489707 A CN 201210489707A CN 102937053 A CN102937053 A CN 102937053A
- Authority
- CN
- China
- Prior art keywords
- fault
- water temperature
- sensor
- control unit
- dynamic
- 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
Links
Images
Landscapes
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
The invention discloses an electronic control multi-power fuel injection system of a diesel engine. The system comprises an electronic control diesel engine, a tractor instrument panel, a multi-power mode conversion switch, a rotation speed sensor, an accelerated pedal sensor, a cooling water temperature sensor, a control unit, and a fuel injector electromagnetic valve; the multi-power mode conversion switch is connected with the control unit; the rotation speed sensor, the accelerated pedal sensor and the cooling water temperature sensor are respectively connected with the control unit which is connected with the fuel injector electromagnetic valve; and the fuel injector electromagnetic valve is connected with the electronic control diesel engine. The software control method comprises the following steps of: diagnosing faults of the sensors, determining whether the sensors have faults, and stopping the multi-power conversion if so; detecting the rotation speed and the water temperature signals if not, detecting whether the value of the rotation speed and the value of the water temperature are greater than the limit value, and stopping the multi-power conversion if so; carrying out the mode conversion switch signal diagnosis and the anti-shaking treatment if not; diagnosing the faults of the conversion switch, and stopping the power mode conversion if so; and diagnosing the switch if not, starting up a first power mode if SW=0, and starting up a second power mode if SW=1.
Description
Technical field
The invention belongs to internal-combustion engine electronic control fuel Injection Control field, relate to a kind of diesel electric-controlled many dynamic fuel injections system.
Background technique
At present, in China fuel of internal combustion engine system industry, widely used diesel engine electric controlled fuel injection belongs to the power output system of single-mode, substantially can satisfy the coupling requirement of the diesel engines such as domestic truck, generator set, engineering machinery, have the characteristic that fuel injection quantity and injection advance angle can accurately be controlled, the fuel oil consumption is lower, discharging is lower.But, as the electric control fuel oil jet system that is used for farm machinery, such as tractor, grain harvesting machine, also be useful on straw counters-field set tool and other tillage machinery, the operating mode difference is larger when work, effectively satisfy various mode of operations for more economical, the electric control fuel oil jet system of developing a kind of many power outputs is fully necessary.
Summary of the invention
The object of the present invention is to provide a kind of diesel electric-controlled many dynamic fuel injections system, under different working environments, have a kind of output control of engine power pattern of high-efficiency and economic to satisfy farm machinery.
The present invention achieves the above object by the following technical solutions: diesel electric-controlled many dynamic fuel injections system comprises: electronic controlled diesel, tractor instrument board, many dynamic modes throw over switch, speed probe, accelerator pedal sensor, cooling water temperature sensor, control unit, fuel injector magnetic system; The many dynamic modes throw over switch that is installed on the tractor instrument board is connected on the control unit, the speed probe, accelerator pedal sensor, the cooling water temperature sensor that are installed in above the electronic controlled diesel are connected respectively on the control unit, the control unit output terminal is connected on the fuel injector magnetic system, and fuel injector magnetic system is connected on the electronic controlled diesel.
Software flow comprises: sensor fault condition diagnosing, sensor whether have fault, rotating speed and water temperature signal detection, rotating speed and water temperature whether greater than ceiling value, mode conversion switch signal fault diagnosis and anti-shake processing, throw over switch fault diagnosis, forbid many dynamic mode conversions, dynamic mode more than first, dynamic mode more than second; Controlling method: at first carry out the sensor fault condition diagnosing, determine whether sensor has fault, if there is fault will forbid many dynamic modes conversion process; Do not have fault to carry out the detection of rotating speed and water temperature signal, detect and to judge that rotating speed and water temperature are whether greater than ceiling value, if wherein any one detection is then forbidden many dynamic modes conversion process greater than the maximum limit threshold value; If then carry out mode conversion switch signal fault diagnosis and anti-shake processing without any a detection greater than the maximum limit threshold value, carry out the throw over switch fault diagnosis, if throw over switch has fault, forbid the dynamic mode conversion; Do not judge that SW=0 starts dynamic mode more than first if there is fault to carry out switch, SW=1 starts dynamic mode more than second.
The present invention can obtain following beneficial effect after adopting above technological scheme: this diesel electric-controlled many dynamic fuel injections system can realize multiple dynamic mode output, has satisfied farm machinery and has been issued to Optimum Economic, optimum power character requirement in different operating modes.
Description of drawings:
Fig. 1 is the diesel electric-controlled many dynamic fuel injections system architecture of the present invention schematic representation.
Fig. 2 is the diesel electric-controlled many dynamic fuel injections software flow of the present invention figure.
Embodiment:
Below in conjunction with accompanying drawing the present invention is further specified.Shown in Fig. 1～2, diesel electric-controlled many dynamic fuel injections system comprises: electronic controlled diesel 1, tractor instrument board 2, many dynamic modes throw over switch 3, speed probe 4, accelerator pedal sensor 5, cooling water temperature sensor 6, control unit 7, fuel injector magnetic system 8; It is characterized in that: the many dynamic modes throw over switch 3 that is installed on the tractor instrument board 2 is connected on the control unit 7, the speed probe 4, accelerator pedal sensor 5, the cooling water temperature sensor 6 that are installed in above the electronic controlled diesel 1 are connected respectively on the control unit 7, control unit 7 output terminals are connected on the fuel injector magnetic system 8, and fuel injector magnetic system 8 is connected on the electronic controlled diesel 1.
Software flow comprises: whether sensor fault condition diagnosing 9, sensor have that fault 10, rotating speed and water temperature signal detect 11, rotating speed and water temperature whether greater than ceiling value 12, mode conversion switch signal fault diagnosis and anti-shake processing 13, throw over switch fault diagnosis 14, forbid that many dynamic modes change 15, dynamic mode more than first 16, dynamic mode more than second 17; Controlling method: at first carry out sensor fault condition diagnosing 9, determine whether sensor has fault 10, if there is fault will forbid that many dynamic modes change 15 processes; Do not have fault to carry out the detection 11 of rotating speed and water temperature signal, detect and to judge rotating speed and water temperature whether greater than ceiling value 12, if wherein any one detection forbids then that greater than the maximum limit threshold value many dynamic modes change 15 processes; If then carry out mode conversion switch signal fault diagnosis and anti-shake processing 13 without any a detection greater than the maximum limit threshold value, carry out throw over switch fault diagnosis 14, if throw over switch has fault, forbid dynamic mode conversion 15; Do not judge that SW=0 starts dynamic mode more than first 16 if there is fault to carry out switch; SW=1 starts dynamic mode more than second 17.
Control unit (ECU) detects engine rotational speed signal, accelerator pedal signal, diesel engine system coolant water temperature signal, many power output mode throw over switch signal, according to the external working environment requirement, driver can be selected different power output modes by many dynamic modes throw over switch sensor in the operator cabin, reaches the operating conditions of high-efficiency and economic.
Wherein control unit ECU be diesel electric-controlled rotor pump fuel injection system, Electronic Unit Pump Fuel Injection System wherein any one; Wherein the engine speed state comprises circulation tach signal and speed probe fault status signal, not permission pattern conversion when hypervelocity or speed probe fault occurring; Wherein the accelerator pedal state comprises voltage signal and fault status signal, the not permission pattern that breaks down conversion; Wherein idling mode does not allow many dynamic mode conversions; Wherein the cyllopodia state of going home does not allow many dynamic mode conversions; Wherein the cooling water temperature sensor state comprises resistance signal and fault status signal, no matter is in which kind of not permission of power output mode pattern conversion when water temperature over-high occurring, takes simultaneously the load down protective measure; Wherein many dynamic Control mode conversion switch state comprises ' 0 ', ' 1 ' signal and fault status signal, and there is the conversion of not permission of fault pattern in switch.
Claims (2)
1. diesel electric-controlled many dynamic fuel injections system comprises: electronic controlled diesel (1), tractor instrument board (2), many dynamic modes throw over switch (3), speed probe (4), accelerator pedal sensor (5), cooling water temperature sensor (6), control unit (7), fuel injector magnetic system (8); It is characterized in that: the many dynamic modes throw over switch (3) that is installed on the tractor instrument board (2) is connected on the control unit (7), the speed probe (4), accelerator pedal sensor (5), the cooling water temperature sensor (6) that are installed in above the electronic controlled diesel (1) are connected respectively on the control unit (7), control unit (7) output terminal is connected on the fuel injector magnetic system (8), and fuel injector magnetic system (8) is connected on the electronic controlled diesel (1).
2. diesel electric-controlled many dynamic fuel injections according to claim 1 system, it is characterized in that: software flow comprises: sensor fault condition diagnosing (9), sensor whether have fault (10), rotating speed and water temperature signal detect (11), rotating speed and water temperature whether greater than ceiling value (12), mode conversion switch signal fault diagnosis and anti-shake processing (13), throw over switch fault diagnosis (14), forbid that many dynamic modes change (15), dynamic modes more than first (16), dynamic mode more than second (17); Controlling method is: at first carry out sensor fault condition diagnosing (9), determine whether sensor has fault (10), if there is fault will forbid many dynamic mode conversion (15) processes; Do not have fault to carry out the detection of rotating speed and water temperature signal (11), detect and to judge rotating speed and water temperature whether greater than ceiling value (12), if wherein any one detection forbids then that greater than the maximum limit threshold value many dynamic modes change (15) processes; If then carry out mode conversion switch signal fault diagnosis and anti-shake processing (13) without any a detection greater than the maximum limit threshold value, carry out throw over switch fault diagnosis (14), if throw over switch has fault, forbid dynamic mode conversion (15); Do not judge that SW=0 starts dynamic mode more than first (16) if there is fault to carry out switch, SW=1 starts dynamic mode more than second (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104897074A CN102937053A (en) | 2012-11-27 | 2012-11-27 | Electronic control multi-power fuel injection system of diesel engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104897074A CN102937053A (en) | 2012-11-27 | 2012-11-27 | Electronic control multi-power fuel injection system of diesel engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102937053A true CN102937053A (en) | 2013-02-20 |
Family
ID=47695968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012104897074A Pending CN102937053A (en) | 2012-11-27 | 2012-11-27 | Electronic control multi-power fuel injection system of diesel engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102937053A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201236747Y (en) * | 2008-07-29 | 2009-05-13 | 施远强 | Electronic speed-regulator for vehicular diesel engine |
| CN101696661A (en) * | 2009-10-21 | 2010-04-21 | 潍坊威度电子科技有限公司 | Variable-power running control device for self-propelled harvester |
| CN102027833A (en) * | 2010-10-08 | 2011-04-27 | 曹安柏 | Fuel-saving high-speed joint harvesting and planting management machine |
| CN202937359U (en) * | 2012-11-27 | 2013-05-15 | 第一拖拉机股份有限公司 | Diesel electronic control multiple-power fuel injection system |
-
2012
- 2012-11-27 CN CN2012104897074A patent/CN102937053A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201236747Y (en) * | 2008-07-29 | 2009-05-13 | 施远强 | Electronic speed-regulator for vehicular diesel engine |
| CN101696661A (en) * | 2009-10-21 | 2010-04-21 | 潍坊威度电子科技有限公司 | Variable-power running control device for self-propelled harvester |
| CN102027833A (en) * | 2010-10-08 | 2011-04-27 | 曹安柏 | Fuel-saving high-speed joint harvesting and planting management machine |
| CN202937359U (en) * | 2012-11-27 | 2013-05-15 | 第一拖拉机股份有限公司 | Diesel electronic control multiple-power fuel injection system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102733441B (en) | Raising speed control energy saving system and method for excavator | |
| US8442793B2 (en) | System for determining quality of a rotating position sensor system | |
| CN101900049B (en) | Post oxygen sensor performance diagnostic with minimum air flow | |
| DE102011109802B4 (en) | A method of detecting a failure of a fuel injector based on the engine vibration | |
| CN104989537B (en) | Anti-flameout control method for hybrid power engine | |
| EP2307692B1 (en) | A system for and method of degrading or analysing the performance of an internal combustion engine | |
| CN103782013A (en) | Method and arrangement for controlling misfire | |
| US7104924B2 (en) | System and method for controlling engine idle speed based on operational state settings | |
| JP4525793B2 (en) | Abnormality diagnosis apparatus and abnormality diagnosis method for fuel system | |
| US20140257652A1 (en) | Apparatus for controlling vehicle and method for controlling vehicle | |
| US20070023011A1 (en) | Control apparatus for vehicular internal combustion engine | |
| CN201096016Y (en) | Engines monitoring instrument | |
| CN202007708U (en) | Runaway protection equipment and system for diesel engine | |
| US6840213B2 (en) | Control apparatus, control method and engine control unit for variable cylinder internal combustion engine | |
| CN104482992A (en) | Control method for automobile fuel gauge | |
| CN200940519Y (en) | Electronic control system for gasoline engine | |
| CN101619683B (en) | Ignition coil module fuse diagnosis | |
| EP2929169A1 (en) | Method and system for controlling fuel injection | |
| CN103946537B (en) | Engine starting gear and starting method | |
| CN102937053A (en) | Electronic control multi-power fuel injection system of diesel engine | |
| CN109311471A (en) | Control the method and drive system of drive system | |
| JP2008297946A (en) | Control device for internal combustion engine | |
| US20120265420A1 (en) | System and method for calibration and fault detection of non-contact position sensor | |
| JP2008025512A (en) | Rotary angle sensor diagnosis device for internal combustion engine | |
| CN202937359U (en) | Diesel electronic control multiple-power fuel injection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130220 |