CN101059105A - Diesel engine electric control unit with cylinder-reducing energy-saving and misstep-prevention function for brake - Google Patents
Diesel engine electric control unit with cylinder-reducing energy-saving and misstep-prevention function for brake Download PDFInfo
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- CN101059105A CN101059105A CN 200710097825 CN200710097825A CN101059105A CN 101059105 A CN101059105 A CN 101059105A CN 200710097825 CN200710097825 CN 200710097825 CN 200710097825 A CN200710097825 A CN 200710097825A CN 101059105 A CN101059105 A CN 101059105A
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Abstract
The diesel engine electric control unit in the invention has the functions of reducing cylinder, energy conservation and preventing mistakenly stepping when brakes, the basic hardware of the unit consists of signal acquisition and processing circuit, microcomputer, output power driver circuits, voltage regulator circuit, clock circuit, fault diagnosis circuit. The microcomputer is pre-deposited by the best goal work state benchmarks coding of engine. Then relevant sensors pickup the actual running state signals of engine and send into microcomputer to modify the signals and form new orders and export, so the best control of diesel engine is achieved. The invention expands reducing cylinder, energy conservation and important safety protection practical function of preventing mistakenly stepping when brakes beside the precise control of diesel fuel delivered amount, fuel spouting time and air inlet pressure boost amount. It reduces the fuel consumption and pollution discharge significantly and eliminates the safety hidden danger of mistakenly stepping accelerator when brakes.
Description
Technical field:
The present invention relates to the diesel engine electric control unit that a kind of band subtracts the energy-conservation and brake miss-stamping preventing function of cylinder.
Technical background:
Existing diesel engine fuel jetting electronic control technology though can accurately control the emitted dose and the discharge time of fuel oil, has improved the environmental protection and energy saving problem, does not also reach optimum level.
Summary of the invention:
Band of the present invention subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder., purpose provides a kind of new electronic control product that can reduce oil consumption and blowdown more significantly and eliminate the mis-accelerator pressing potential safety hazard that touches on the brake.
For ease of describing, existing is representative with pretravel controllable type Injection Pump fuel system, and fuel injection system is described.
Working principle: be the baseline encoded that in core automatically controlled device micro computer, is prestored into diesel engine optimum target working state, again by accelerator pedal position sensor, engine speed hold concurrently crankshaft position sensor, air inlet pressure sensor, intake air temperature sensor, cooling-water temperature transmitter, throttle position switch, injection advance angle transducer, pick up the various signals of motor operation, give the signals collecting and the change-over circuit of ECU (Electrical Control Unit).Signal after the treated conversion is given micro computer and is compared with the baseline encoded that prestores.Micro computer starts debugging functions to the part that departs from baseline encoded, forms new control command and send to respectively after revising:
1, fuel injection final controlling element is accurately controlled fuel injection amount and discharge time.
2, air inlet worm gear supercharging actuator, the air intake pressurized amount during the control different engine.
3, subtract the energy-conservation actuator of cylinder, realize slowing down and turn-off the supplying oil and gas of all cylinders, alternately close the supplying oil and gas of half cylinder when gently planting, whole cylinders are with the peak output work done during acceleration.
4, brake miss-stamping safety precaution final controlling element is converted into the action of accelerator instead of brake and stops the oil braking action.
Band of the present invention subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, except that possessing accurate control fuel injection quantity, injection time and air intake pressurized amount, has also expanded and subtracts energy-conservation and two the important practical functions of brake miss-stamping strick precaution of cylinder.
As one of feature of the present invention, subtract the realization of cylinder power saving function, be all even cylinders to be got one by the work done order every one be divided into two groups, micro computer is from the corresponding engine target rotating speed of accelerator pedal position, with identify the engine load state in the actual engine speed signal, make command adapted thereto and send to two groups of independent cylinder final controlling element that subtract respectively, make it make corresponding execution action and realize.
As two of feature of the present invention, the realization of the safety precaution function of braking automobile mis-accelerator pressing is from gas pedal acceleration and the pulse of ECU (Electrical Control Unit) clock reference, distinguish normal acceleration and improper anxious signal for faster.When mis-accelerator pressing took place, micro computer started the deceleration control program that subtracts in the energy-conservation program of cylinder, turn-offs the supplying oil and gas of all cylinders, and sent instruction simultaneously and give the brake final controlling element, made automobile be in braking state
Description of drawings:
Accompanying drawing 1, be the diesel engine electric control unit that invention band subtracts cylinder and brake miss-stamping preventing function, the circuit block diagram of on the diesel engine of pretravel controllable type Injection Pump fuel system, implementing.
Accompanying drawing 2, be the diesel engine electric control unit that invention band subtracts cylinder and brake miss-stamping preventing function, the circuit block diagram of on the diesel engine of common rail fuel injection mode, implementing.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described further.
Subtract the energy-conservation diesel engine electric control unit with the brake miss-stamping preventing function of cylinder referring to accompanying drawing 1, band of the present invention, be that, micro computer 2 fast 1 by signals collecting change-over circuit mould, output power drive that mould is fast 3, the mu balanced circuit mould is fast 4, the clock circuit mould is fast 5, diagnostic circuit module 6, constituted the basic hardware circuit.
Its working principle: be micro computer 2, in be prestored into the baseline encoded of diesel engine optimum target working state, again by accelerator pedal position sensor 7, engine speed hold concurrently crankshaft position sensor 8, air inlet pressure sensor 9, intake air temperature sensor 10, cooling-water temperature transmitter 11, throttle position switch 12, injection advance angle transducer 13, pick up the various signals of motor operation, the signal of giving after the signals collecting of ECU (Electrical Control Unit) and change-over circuit 1, the treatment conversion is given micro computer 2, is compared with the baseline encoded that prestores.Micro computer 2, the part that departs from baseline encoded is started debugging functions, through revising after, form new control command, after output power drive circuit module 3, amplification, send to each actuate actuators respectively.
In the accompanying drawing 14, be the interface that leads to the electrical fuel injection pump speed regulating actuator.15, be the interface that leads to Injection Pump injection advance angle control final controlling element.16,17 be to lead to two groups of interfaces that subtract the cylinder final controlling element respectively.18, be the interface that leads to the brake final controlling element.21, be the interface that leads to air intake pressurized amount control final controlling element.19, be fault diagnostic equipment interface.20, be the fault display lamp.
Band of the present invention subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, has also expanded to subtract energy-conservation and two the important practical functions of brake miss-stamping strick precaution of cylinder except that possessing accurate control fuel injection quantity, injection time and air intake pressurized amount.
As one of feature of the present invention; Subtracting the cylinder power saving function realizes, be all even cylinders to be got one by the work done order every one be divided into two groups, micro computer 2, from the corresponding engine target rotating speed of accelerator pedal position, with identify the engine load state in the actual engine speed signal, make command adapted thereto and send to two groups respectively and subtract the cylinder final controlling element separately, make it make corresponding execution action and realize.
As two of feature of the present invention: the safety precaution function of braking automobile mis-accelerator pressing realizes, is in the clock reference pulse by gas pedal acceleration and ECU (Electrical Control Unit), distinguishes normal acceleration and improper anxious signal for faster.When mis-accelerator pressing takes place, micro computer 2, start to subtract and subtract the cylinder control program in the energy-conservation program of cylinder, turn-off the supplying oil and gas of all cylinders, and send instruction simultaneously and give the brake final controlling element, make automobile be in braking state.
To pretravel controllable type Injection Pump fuel system, fuel injection amount and injection time are implemented automatically controlled.Its fuel injection quantity control final controlling element is an electric governor, and controlling object is an injection pump rack, and injection advance angle control final controlling element is a solenoid valve, and controlling object is the angle of yaw of fuel injection camshaft.Subtract the cylinder final controlling element and be installed at Injection Pump in high-pressure oil pipe between the oil sprayer, overflow bypass valve and control are installed at the solenoid valve of sideboard in the air intake branch.Release the fuel oil in the high-pressure oil pipe when turn-offing fuel feeding, and close the sideboard in the air intake branch simultaneously
Referring to the automatically controlled enforcement of accompanying drawing 2, the present invention to the common rail injection diesel engine: be by micro computer 2, output pulse, through output power drive circuit module 3, control each cylinder electromagnetic fuel injector 12,13,14,15, electromagnetic valve coil control fuel-injected.Subtract the cylinder function and then be the driving power transistor base of controlling and driving electromagnetic fuel injector and establish sideboard in the air intake branch.With accompanying drawing 1, compare, other is identical except that not re-using throttle position switch and injection advance angle transducer.
Apparent brake miss-stamping preventing function also can be melted in all engine electric-controlled units.
Claims (6)
1, a kind of band subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, is the basic circuit hardware that is made of signals collecting change-over circuit, micro computer, output power drive circuit, mu balanced circuit, clock circuit, diagnostic circuit.The basic coding software of the diesel engine optimum target working state that in micro computer, is prestored into.The various signals and the baseline encoded software that pick up the machine of sending out operation by related sensor compare, and the output control command is finished the accurate control to diesel engine.It is characterized in that: ECU (Electrical Control Unit) is accurately controlled the function fuel injection amount, discharge time and air intake pressurized amount except that having possessed.Also has the energy-conservation and brake miss-stamping safety precaution function of the cylinder of subtracting.
2, band according to claim 1 subtracts the diesel engine electric control unit that the energy-conservation and brake miss-stamping of cylinder is taken precautions against merit, and it subtracts cylinder energy-conservation is to be divided into two groups by all even number cylinders are got one by the work done order every one.Micro computer sends corresponding instruction from the target engine speed of accelerator pedal position correspondence with identifying the engine load state in the practical engine speeds, drives two groups and independently subtracts the energy-conservation final controlling element of cylinder separately.
3, band according to claim 1 subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, and it subtracts the energy-conservation supplying oil and gas that can turn-off all cylinders when diesel engine slows down of cylinder, turn-offs the supplying oil and gas of half during light lotus.Whole cylinders can be with the power work done of maximum during acceleration
4, band according to claim 1 subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, its brake miss-stamping preventing function is from the gas pedal acceleration by micro computer, tell normal acceleration and improper anxious signal for faster with the clock circuit contrast district, and send corresponding instruction and start the deceleration program subtract in the energy-conservation program of cylinder, turn-off all cylinder supplying oil and gas, and start the brake final controlling element simultaneously and realize that the action of accelerator instead of brake is converted into the action of brake.
5, band according to claim 1 subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder, all can implement at the Injection Pump fuel feeding with on for the rail fuel injection diesel engine.
6, band according to claim 1 subtracts the diesel engine electric control unit of the energy-conservation and brake miss-stamping preventing function of cylinder.The safety precaution function of apparent its accelerator instead of brake can be melted in all engine electric-controlled units.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710097825 CN101059105A (en) | 2007-03-23 | 2007-04-18 | Diesel engine electric control unit with cylinder-reducing energy-saving and misstep-prevention function for brake |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710064702.6 | 2007-03-23 | ||
| CN200710064702 | 2007-03-23 | ||
| CN 200710097825 CN101059105A (en) | 2007-03-23 | 2007-04-18 | Diesel engine electric control unit with cylinder-reducing energy-saving and misstep-prevention function for brake |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101433128A Division CN101157358A (en) | 2007-04-18 | 2007-04-18 | Electric-controlled unit for preventing from stepping vehicle brake by accident and decreasing vat as well as saving energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101059105A true CN101059105A (en) | 2007-10-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710097825 Pending CN101059105A (en) | 2007-03-23 | 2007-04-18 | Diesel engine electric control unit with cylinder-reducing energy-saving and misstep-prevention function for brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101059105A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700528A (en) * | 2011-11-28 | 2012-10-03 | 黄强 | Error correction braking system with internal rotating fixed corner electromagnetic valve and control method |
| CN104847551A (en) * | 2014-03-12 | 2015-08-19 | 北汽福田汽车股份有限公司 | Multi-cylinder engine oil supply method, pump truck engine oil supply method and system |
-
2007
- 2007-04-18 CN CN 200710097825 patent/CN101059105A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102700528A (en) * | 2011-11-28 | 2012-10-03 | 黄强 | Error correction braking system with internal rotating fixed corner electromagnetic valve and control method |
| CN102700528B (en) * | 2011-11-28 | 2014-10-01 | 黄强 | Error correction braking system with internal rotating fixed corner electromagnetic valve and control method |
| CN104847551A (en) * | 2014-03-12 | 2015-08-19 | 北汽福田汽车股份有限公司 | Multi-cylinder engine oil supply method, pump truck engine oil supply method and system |
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