CN201277099Y - Electric-controlled work system used for petrol engine motorboat and its motorboat - Google Patents
Electric-controlled work system used for petrol engine motorboat and its motorboat Download PDFInfo
- Publication number
- CN201277099Y CN201277099Y CNU2008201339554U CN200820133955U CN201277099Y CN 201277099 Y CN201277099 Y CN 201277099Y CN U2008201339554 U CNU2008201339554 U CN U2008201339554U CN 200820133955 U CN200820133955 U CN 200820133955U CN 201277099 Y CN201277099 Y CN 201277099Y
- Authority
- CN
- China
- Prior art keywords
- electronic control
- sensor
- fuel
- electric
- 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.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an electronic control work system for a gasoline motor motorboat and a motorboat thereof, wherein the work system comprises an intake system, a fuel oil supply system and an ignition system, and further comprises an electronic control system, and the electronic control system comprises a sensor part, an electronic control unit and an actuator part. The sensor part comprises a throttle position sensor, an intake pressure temperature sensor, a camshaft position sensor, a cooling fluid temperature sensor, an engine oil pressure switch signal, a crankshaft position sensor, an exhaust thermoswitch signal, a direction column position sensor and a capsizing switch sensor, wherein the throttle position sensor and the intake pressure temperature sensor are arranged on an intake pipe of the intake system, the camshaft position sensor, the cooling fluid temperature sensor, the engine oil pressure switch signal and the crankshaft position sensor are arranged on an engine, and the exhaust thermoswitch signal, the direction column position sensor and the capsizing switch sensor are arranged on an exhaust pipe of the engine. Parts of the sensor part are all connected with the electronic control unit, and the actuator part comprises an electric fuel pump, an fuel injector, an idle speed valve, an ignition controller and a fault indicating lamp. The parts of the actuator part are all connected with the electronic control unit, and the electronic control unit comprises a no-throttle control program and an interruption control program. The motorboat has excellent power performance, fuel economy and emission performance.
Description
Technical field
The utility model belongs to motor automatic control technology field, relates to a kind of electric-controlled work system and motor boat thereof that is used for motorboat with petrol engine.
Background technique
As everyone knows, traditional motorboat engine adopts Carburetor as its gasoline atomizing apparatus, automobile with traditional employing carburetor engine is the same, because carburetor engine is not carried out intelligent control to fuel combustion process in cylinder, cause its gasoline combustion incomplete, not only waste gasoline, even more serious is that toxic emission is more serious, and atmosphere is polluted.For addressing this problem, adopting the electronically controlled gasoline injection technology is comparatively effective way.In recent years, use ECU to realize that the electronically controlled gasoline injection technology is able to rapid application in the motor car engine field.Its principle is to spray in intake duct or the cylinder with the gasoline of intelligent control oil sprayer with certain pressure and quantity, to improve the gasoline atomizing quality, improves the petrol engine fuel performance, reduces fuel consume, and the pollutant of discharging is reduced.
ECU is first three letter abbreviations of English title (Electrical control unit) from name, and the meaning of Chinese is exactly an electronic control unit.The working principle of ECU is briefly controlled fuel oil according to the feedback of the sensor that links to each other with motor exactly and is mixed (Air/Fuel Ratio) and spark timing (electronic spark advance and endurance).The control of fuel oil mixing and ignition timing is quite complicated, and ECU need obtain data to realize the optiumum control of system from a plurality of sensors.
At present, motor boat all is to adopt engine-driving to be immersed in jet pump Push Technology in the water.Change traditional Carburetor atomising device into the electronically controlled gasoline injection atomising device, because of motor boat is the traffic tool that travel in water, the technology of existing electronically controlled gasoline injection is still waiting further improvement.
We know, existing motor boat not only relies on and is immersed in that jet pump advances in the water, are immersed in the water jet pump and realize turning but also rely on, thereby be to drive in the water jet pump by rotatory handling to turn and change the turning action that injection direction is realized motor boat.Can imagine that in case jet pump runs out of steam, turning action also can't realize.So, motor boat electronic control unit ECU should have following function: after unclamping throttle, promptly do not have throttle, and be under the situation of conventional speeds and still can control motor boat, continue to turn by increasing certain thrust, if you control handgrip when increasing throttle.In addition, existing motor boat and other ship all do not have brake, whether can stop motor boat before hitting obstacle, the change direction of need opening the throttle if can not determine.
Summary of the invention
Technology technical problem to be solved in the utility model is to provide a kind of electric-controlled work system that is used for motorboat with petrol engine for overcoming above-mentioned existing disadvantages of background technology part.At the deficiency that traditional Carburetor operational system exists, provide a kind of motorboat engine work system of electronic gasoline injection.It can be according to the different operating modes of motor, provide the mixed gas and the optimum igniting time of optimal air-fuel ratio to motor, make motor be in optimum Working all the time, and the emission performance of motor and power character, fuel economy all can reach higher level.
The utility model solves the problems of the technologies described above the technological scheme that is adopted:
The electric-controlled work system that is used for motorboat with petrol engine, comprise gas handling system, fuel oil supply system, ignition system, it is characterized in that also comprising electronic control system, described electronic control system comprises Sensor section, electronic control unit ECU and final controlling element part, and the parts of described Sensor section all are connected with electronic control unit ECU, and the parts of described final controlling element part all are connected with electronic control unit ECU.
In technique scheme, described Sensor section comprises throttle position sensor on the suction tude that is installed in gas handling system and suction pressure, temperature transducer, be installed in CMPS Camshaft Position Sensor, cooling-water temperature transmitter, Oil pressure switch signal, crankshaft position sensor on the motor, be installed in tail gas temperature-sensitive switching signal, direction post position transducer and shipwreck switch sensor on the engine exhaust pipe; Described final controlling element partly comprises electric fuel punp, oil sprayer, idle valve, ignition controler, fault indicating lamp.
In technique scheme, described crankshaft position sensor has two, and described two crankshaft position sensors are 180 degree and install.
In technique scheme, described fuel oil supply system comprises electric fuel punp, fuel tank, fuel filter, pressure regulator, oil sprayer and oily rail, electric fuel punp is positioned at fuel tank, fuel filter is between oily rail and electric fuel punp, pressure regulator connects electric fuel punp, and oily rail is connected with oil sprayer, and described oil sprayer is exactly a final controlling element part oil sprayer.
In technique scheme, described electronic control unit ECU comprises input circlult, singlechip CPU, rom memory, the RAM that is used to connect Sensor section and is used to be connected the output circuit of final controlling element part, the two ends of described singlechip CPU connect input circlult and output circuit, and rom memory, RAM are connected with singlechip CPU.
Described electronic control unit ECU includes interruption oil spout control program.
In technique scheme, described interruption oil spout control program is: program entry 01 → system initialization 02 → main program 03, if not, does returning 02 → 14 → interrupt identification removing, 15 → two-way crankshaft signal that interrupts entering the mouth have not? 16 → be, control ignition, oil spout 17 → as if 16 not, timer interruption 18 → be, timing handles 19 → if 18 not, declare cylinder signal 20 → be, declare cylinder to handle 21 → if 20 not, communication 22 → be, communication handles 23 → and be to withdraw from 24 →, withdraw from 24 if 22 not.
The technology technical problem that the utility model further will solve provides a kind of motor boat in no throttle direction control mode.
Described electronic control unit ECU comprises and has or not the throttle control program.Make itself and other related sensor, final controlling element form no power control system.No throttle control system is used for controlling the motor boat direction, and when motor boat was drained the oil a lever operation motor boat in the process of moving, ECU control idle motors was regulated the idling throttle opening and kept engine speed, keeps part thrust and turns assisting.
In technique scheme, described no Throttle Opening Control program is: program entry 01 → system initialization 02 → main program 03, if not, return 02 → sensors A D sampling and comprise that steering shaft rotation 04 → numerical control place amount 05 → no Throttle Opening Control inlet 06 → throttle unclamps not entirely? 07 → be, greater than towing speed? 08 → be to calculate rotating speed of target rate of descent 09 → by above target speed value control idle valve running 10 → finish 11 according to the steering shaft sensor sample; If 07 is not, then enter 11; If 08 is not, then enter 11.
Certainly, can only produce very little thrust because of being totally released throttle.If travelling speed is higher than towing speed, do not having to lose the control of direction very soon under the situation of throttle.After unclamping throttle, may also have direction control to a certain degree.In case engine retard, the handgrip control of motor boat no longer includes any reaction, up to opening throttle once more or reaching towing speed.Under towing speed, hull is merely able to turn lentamente by the position of adjusting handgrip.
Motorboat engine electronic control unit ECU is the core of motorboat engine control system, it can be according to the different operating modes of motor, the mixed gas and the optimum igniting time of optimal air-fuel ratio are provided to motor, make motor be in optimum Working all the time, it is best that the performance of motor (power character, Economy, exhaust index) reaches.
The utility model electric-controlled gasoline motorboat engine work system has the following advantages: the utility model has replaced original carburetor engine ship with the control fuel injection technology generation, increased electronic control unit ECU, poor, the total hydrocarbon discharge amount height of common mechanical formula Carburetor ship fuel economy, inefficient shortcoming have been avoided, thereby can obtain good power character, fuel economy and emission performance; Also can realize direction control at no throttle; The motor boat running velocity also can obviously improve, and The whole control system is safe and reliable.
Description of drawings
Fig. 1 is the structural representation of the utility model electric-controlled gasoline motorboat engine work system.
Fig. 2 is that the hardware circuit of the utility model electronic control system is formed skeleton diagram.
Fig. 3 does not have the flow chart of Throttle Opening Control program for the utility model.
Fig. 4 is the flow chart of the utility model interrupt control routine.
1. throttle position sensor among the figure, 2. suction pressure temperature transducer, 3. spark coil, 4. CMPS Camshaft Position Sensor, 5. tail gas thermoswitch, 6. silencing apparatus, 7. electronic control unit ECU, 8. cooling-water temperature transmitter, 9. Oil pressure switch, 10. storage battery, 11. crankshaft position sensor, 13. motors, 14. electric fuel punps, 15. fuel tank, 16. oily rail, 17. fuel filters, 18. pressure regulators, 19. oil sprayer, 20. idle valve, 21. direction post position transducers, 23. shipwreck switches, 24. fault indicating lamp, 25. switching signals.
Embodiment
Describe performance of the present utility model in detail below in conjunction with accompanying drawing, but they do not constitute to qualification of the present utility model, only give an example.Simultaneously by illustrating that advantage of the present utility model will become clear more and understanding easily.
Consult accompanying drawing, the utility model electric-controlled gasoline motorboat engine work system, it comprises gas handling system, fuel oil supply system, ignition system, also comprise electronic control system, described electronic control system comprises Sensor section, electronic control unit ECU and final controlling element part, described Sensor section comprises throttle position sensor 1 and the suction pressure temperature transducer 2 on the suction tude that is installed in gas handling system, be installed in the CMPS Camshaft Position Sensor 4 on the motor 13, cooling-water temperature transmitter 8, Oil pressure switch signal 9, crankshaft position sensor 11, be installed in the tail gas temperature-sensitive switching signal 5 on the engine exhaust pipe, direction post position transducer 21 and shipwreck switch sensor 23, the parts of described Sensor section all are connected with electronic control unit ECU, and described final controlling element partly comprises electric fuel punp 14, oil sprayer 19, idle valve 20, ignition controler 3, fault indicating lamp 24; The parts of final controlling element part all are connected with electronic control unit ECU.
The main task of electric fuel punp 14 is to supply with the enough gasoline with authorized pressure of oil-fired system.ECU controls the start and stop of electric fuel punp by the control fuel pump relay.Electromagnetic fuel injector 19 is final controlling element of a key of engine electric-controlled oil spurts system, and it accepts the fuel injection pulse signal that ECU sends here, and fuel injection pulse width decision fuel injector needle valve opening time promptly determines the fuel injection quantity size.The main effect of IACV (Idle Air Control Valve) 20 is idling speed of control motor.ECU comprises two aspects to the control of engine idle, and on the one hand being motor stablize idling speed when normal idle running, accomplish to prevent the purpose of engine misses and reduction oil consumption; Be on the other hand under the engine idling operation state, no power control system (OTS) improves idling speed when playing a role automatically, keeps part thrust to assist turning.Spark coil 3 is by ECU control ignition coil primary current break-make and induce the spark plug sparking that high-tension electricity makes respective cylinder in secondary winding, lights mixed gas.
The utility model electronic control unit ECU comprises input circlult, singlechip CPU, rom memory, RAM and output circuit, and the two ends of described CPU connect input circlult and output circuit, and rom memory, RAM are connected with singlechip CPU.The utility model electronic control unit ECU comprises and has or not Throttle Opening Control program and interrupt control routine.ROM is often referred to the curing storage, and promptly write-once reads repeatedly, and its feature is opposite with RAM.ROM divides disposal solidifying, light to wipe again and electricity is wiped two types of rewritings.
Gas handling system is made up of air-strainer, idle valve, closure, suction tude etc., and it provides required air for the engines combustible mixed gas; Fuel oil supply system is made up of fuel pump, fuel filter, fuel pressure regulator, oil sprayer and fuel supply line etc., and it provides required fuel oil for the engines combustible mixed gas; Ignition system provides electrical spark for motor, and it is made up of ignition electronic, spark coil, spark plug, high-voltage conducting wires etc.; Electronic control system comprises Sensor section, electronic control unit ECU and final controlling element part, its control fuel injection time and time of ignition.
Motorboat engine electronic control unit ECU is the core of the utility model motorboat engine control system, it can be according to the different operating modes of motor, the mixed gas and the optimum igniting time of optimal air-fuel ratio are provided to motor, make motor be in optimum Working all the time, it is best that the power character of motor, Economy, exhaust index reach.
The major function of motorboat engine (ECU) electronic control unit:
1, fuel Injection Control: the motor of motor boat utilizes electronic fuel injection system that the combustion gas ratio of optimization is provided to motor.By the combustion condition through optimizing, this cover system can promote ignition trigger ability and fuel economy.
(1), fuel injection quantity control: engine electronic control unit (ECU) with air inflow and engine load as the major control signal, to determine fuel injection pulse width (being basic fuel injection amount), and, determine total fuel injection quantity at last according to signal correction fuel injection quantitys such as circulating water temperature, intake temperature, suction pressures.
(2), injection timing control: adopt the multi-point sequent fuel injection, ECU also will be controlled at the best time with injection time according to the ignition order of each cylinder of motor, so that fuel oil fully burns except the control fuel injection quantity.
(3), interrupt fuel feeding control: the control of slow-speed of revolution pattern oil-break: when engine speed surpass maximum speed 80% the time, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than 80% certain value of maximum speed.
Hypervelocity oil-break control: when engine speed surpassed safe speed of rotation or surpasses the maximum speed of setting, ECU interrupted oil spout automatically, was lower than until engine speed and recovered oil spout when safe speed of rotation certain value and rotating speed are lower than the maximum speed certain value.
Engine oil pressure alarm limit quick-break oil: if oil pressure does not reach specified value, engine speed can be limited, and when surpassing limits value, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than the limits value certain value.
Engine overheat speed limit oil-break: if engine overheat, engine speed can be limited, and when surpassing limits value, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than the limits value certain value.
(4), fuel pump control
After pressing enable switch, the work of ECU control fuel pump, if this moment, motor was inoperative, ECU control in 3 seconds cut-out of fuel pump.In engine start and operation process, ECU control fuel pump runs well.
Wherein, interrupt control routine is: program entry 01 → system initialization 02 → main program 03, if not, does returning 02 → 14 → interrupt identification removing, 15 → two-way crankshaft signal that interrupts entering the mouth have not? 16 → be, control ignition, oil spout 17 → as if 16 not, timer interruption 18 → be, timing handles 19 → if 18 not, declare cylinder signal 20 → be, declare cylinder to handle 21 → if 20 not, communication 22 → be, communication handles 23 → and be to withdraw from 24 →, withdraw from 24 if 22 not.
ECU includes interrupt control routine because of electronic control unit, make its with form no power control system with other related sensor, final controlling element, this system can be after the motor boat driver unclamps throttle, continue to turn by increasing certain thrust, if the driver is the control handgrip when increasing throttle, will change the sharp turn, no throttle system does not play a role when conventional speeds and motor stop being lower than.In case tail-off, motor boat will no longer be handled handgrip and react, and open throttle or will reach towing speed up to the driver.Towing speed is meant and can orders about the corresponding engine speed that motor boat is advanced with minimum speed in water, in general, motor boat in water be with the minimum speed about 1km/h or below, corresponding engine speed is set at 1600-1700 rev/min.
2, IGNITION CONTROL
(1), ignition advance angle control: during engine running, ECU is according to the rotating speed and the load signal of motor, calculate the ignition advance angle under the corresponding operating mode, and revise ignition advance angle, obtain the ignition timing an of the best at last according to the water temperature of motor, intake temperature, throttle position etc.A certain predetermined angle before ignition timing, the elementary energising of ECU control ignition coil, when arriving the ignition timing angle, ECU cut-out point fire coil primary current also induces the spark plug sparking that high-tension electricity makes respective cylinder in secondary winding, light mixed gas.
(2), current"on"time (ignition closed angle): control ignition coil primary circuit need guarantee enough big electric current when disconnecting, so that secondary winding produces sufficiently high voltage.Meanwhile, for preventing that current"on"time, the long spark coil that makes was crossed cause thermal damage, ECU is according to signals such as battery tension and engine speed, the current"on"time of control ignition coil primary circuit.
3, no throttle control (OTS)
No throttle is handled (OTS) system: when motor boat was drained the oil a lever operation motor boat in the process of moving, ECU control idle motors was regulated the idling throttle opening and is kept engine speed, kept part thrust and turned assisting.
As Fig. 3, no Throttle Opening Control program is: program entry 01 → system initialization 02 → main program 03, if not, return 02 → sensors A D sampling and comprise that steering shaft rotation 04 → numerical control place amount 05 → no Throttle Opening Control inlet 06 → throttle unclamps not entirely? 07 → be, greater than towing speed? 08 → be to calculate rotating speed of target rate of descent 09 → by above target speed value control idle valve running 10 → finish 11 according to the steering shaft sensor sample; If 07 is not, then enter 11; If 08 is not, then enter 11.
The utility model electric-controlled gasoline motorboat engine work system has working procedure as follows:
During fuel oil supply system work, electric fuel punp picks up fuel oil in fuel tank, and pressurization is after fuel filter elimination impurity, and pressure regulator is adjusted pressure, and make excessive fuel oil still return petrol tank, be dispensed into oily rail, oil sprayer through transport pipe then; The instruction that oil sprayer sends according to electronic control unit ECU sprays into each intake manifold with an amount of fuel oil, supplies with process thereby finished oil spout.
Electronic control unit ECU is the control and the command center of engine system.It comprises singlechip CPU, the sensor interface circuitry (input circlult) that links to each other with the input end of this single-chip microcomputer, the control executor circuit (output circuit) that is connected with the output terminal of single-chip microcomputer, and be stored in the main control software in the program storage (ROM and RAM) and embed MAP data segment in this control software.During engine operation, the signal that electronic control unit provides according to various sensors, computational methods by program of depositing in the storage and regulation, calculate the optimum value of the various parameters of control engine operation, as fuel injection quantity, time of ignition etc., and change result calculated the various control signals of control engine operation into, by the operation of final controlling element control motor.
When A, motor operation, main control software in the single-chip microcomputer caller storage in the electronic control unit, at first gather the engine crankshaft position signal by sensor interface circuitry, utilize camshaft-position signal to declare cylinder again, find out the corresponding position of the fulcrum of going up of each cylinder, and, press the setting value that MAP figure calculates fuel injection quantity then according to the residing state of algorithm judgement motor in the control software; Motor required IGNITION CONTROL plotted curve under various operating modes is called MAP figure.
B, single-chip microcomputer are passed to the control executor circuit with described revised fuel injection quantity as setting value, this circuit system is exported control signal to oil sprayer according to the result of computing, oil sprayer is realized the accurately endurance of control oil spout again according to the pulse width of this signal.
C, in single-chip microcomputer work, operation internal control software, receive in real time and gather suction pressure and temperature signal by its sensor interface circuitry, the fuel injection quantity that single-chip microcomputer transmits is revised, the setting value of controlled oil mass, and the position signal of acquisition controlling closure, with setting value, by the total fuel injection quantity of digital algorithm control of its control software inhouse;
D, single-chip microcomputer also pass to host computer with the engine signal gathered and fuel injection signal and throttle position, and host computer shows and revise the partial parameters of host scm inside by curve or data mode, the optimization control process;
E, when chance failure appears in control procedure, host scm is by failure indicating circuit and inner fault treatment software, the type of indication fault is also handled by corresponding failure, up to the operation of shutting engine down.
The working procedure of no throttle control system OTS in the utility model electric-controlled gasoline motorboat engine work system is as follows: when motor boat is decontroled throttle lever in the process of moving and is handled, the OTS system can continue to keep some thrusts come controlling party to.But the OTS system can not play a role being lower than under the situation that base speed or motor stop, in case engine retard, hull will be no longer produces reaction to the control of handgrip, up to recovering to open the throttle or motor boat recovers towing speed.
When motor boat was decontroled the throttle lever manipulation in driving process, ECU was by gathering throttle position signal, and the control idle motors is regulated the idling throttle opening and kept engine speed, keeps part thrust and turns with assistance.
In the electric control fuel oil jet system of the present utility model, adopted the two-way crankshaft position sensor, 180 degree of being separated by are installed on the crankshaft-position signal collection dish of motor.It is the reliable assurance that this motor can realize reaching high rotating speed 10000rpm.When motor is just started working, engine electronic control unit is by gathering the two-way crankshaft-position signal, utilize the position signal of camshaft to declare cylinder again, find out the last position of the fulcrum of corresponding each cylinder, and, press the setting value that MAP figure calculates fuel injection quantity then according to the residing state of algorithm judgement motor in the control software; By fuel oil supply system with fuel oil real-time be transported to oil sprayer, meanwhile, suction pressure and temperature signal that engine electric-controlled unit is also sent here according to sensor circuit are revised fuel injection quantity, determine total fuel injection quantity at last, control the normal operation of motor accurately.
Accompanying drawing 2 is that ECU (Electrical Control Unit) (ECU) hardware circuit is formed skeleton diagram.This forms skeleton diagram by various sensors, and various final controlling element and electronic control unit three parts are formed.In Motronic control maps control fuel injection system, sensor detects the information of reflection engine operating condition when motor moves, and Input Control Element carries out the foundation of computing or the benchmark of control as control unit.Sensor commonly used mainly contains coolant temperature, suction pressure temperature, throttle opening, CMPS Camshaft Position Sensor, crankshaft position sensor, direction post position transducer, switching signal (stop switch, hand button switch, Oil pressure switch, thermoswitch, inversion switch) sensor.
ECU (Electrical Control Unit) is by microprocessor (CPU), storage (ROM and RAM), and input/output interface (I/O), A/D converter (A/D) is formed.During engine operation, the signal that ECU (Electrical Control Unit) provides according to various sensors, computational methods by program of depositing in the storage and regulation, calculate the optimum value of the various parameters of control engine operation, as fuel injection quantity, time of ignition etc., and change result calculated the various control signals of control engine operation into, by the operation of final controlling element control motor.
In the engine electric spray control system, the effect of actuator is the compulsory exercise of finishing under the effect of the control signal that control unit sends.Common actuator mainly contains oil sprayer, idle valve, fuel pump relay, ignition controler, fault indicating lamp.
Accompanying drawing 3 is single-chip microcomputer main programs and does not have the Throttle Opening Control flow chart: after ECU (Electrical Control Unit) is started working, main program in the single-chip microcomputer receives the AD sampled signal, when detecting the voltage signal of steering shaft rotation by direction post position transducer, main program just enters no throttle control system automatically.Detect the throttle position signal of this moment by throttle position sensor, if the throttle position voltage that detects this moment during greater than 0V, no throttle control system is end automatically just; If the throttle position voltage that detects this moment is when being 0V, main program is again by crankshaft position sensor detection of engine tach signal, is lower than towing speed if detect this moment engine speed, and no throttle control system is end automatically just; If the engine speed that detects this moment is greater than towing speed, no throttle control system just calls the AD sampled value that main program sends here according to direction post position transducer and calculates the speed that the current goal rotating speed descends, control the running step number of idle valve by the target speed value that calculates, no throttle control system is started working.
Accompanying drawing 4 is singlechip interruption subroutine and high speed operation flow chart: after ECU (Electrical Control Unit) is started working, and the control software in the single-chip microcomputer executive memory in the management control unit.This control software is at first by sensor interface circuitry pick-up transducers signal, detect the signal value of two-way CRANK SENSOR, and utilize interrupt routine to handle, utilize the signal value of CMPS Camshaft Position Sensor to declare cylinder again, and according to behind the residing state of algorithm judgement motor in the control software, press MAP figure (motor required fuel injection quantity under various operating modes, the IGNITION CONTROL plotted curve, be called MAP figure) calculate the setting value of fuel injection quantity, according to coolant temperature and intake temperature fuel injection quantity is revised simultaneously.
Native system also has four oil-break control modes:
Slow-speed of revolution pattern oil-break control: when engine speed surpass maximum speed 80% the time, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than 80% certain value of maximum speed.
Hypervelocity oil-break control: when engine speed surpassed safe speed of rotation or surpasses the maximum speed of setting, ECU interrupted oil spout automatically, was lower than until engine speed and recovered oil spout when safe speed of rotation certain value and rotating speed are lower than the maximum speed certain value.
Engine oil pressure alarm limit quick-break oil: if oil pressure does not reach specified value, engine speed can be limited, and when surpassing limits value, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than the limits value certain value.
Engine overheat speed limit oil-break: if engine overheat, engine speed can be limited, and when surpassing limits value, ECU interrupts oil spout automatically, recovers oil spout when engine speed is lower than the limits value certain value.
In addition, use by the rotatory handling of the utility model electric-controlled gasoline motor boat, also be provided with a plug-in type hand button switch gear.Promptly one socket hole is set, and is furnished with a corresponding inserting member on the rotatory handling side; When inserting member inserted socket hole, its control circuit was connected, and when transfering to inserting member, its control circuit disconnects; The other end of inserting member links to each other with motor boat driver's wrist.Hand button switch is connected with switch starter; In parallel with stop switch.After hand button switch was plugged, ECU could control engine start, when hand button switch is thrown off, made engine stoping operation immediately.Open and inserting member inserted socket hole before the ship, when inserting member when socket hole is thrown off, drowning from motor boat as the operator, motor will automatically cut out.
Claims (9)
1, the electric-controlled work system that is used for motorboat with petrol engine, comprise gas handling system, fuel oil supply system, ignition system, it is characterized in that also comprising electronic control system, described electronic control system comprises Sensor section, electronic control unit ECU (7) and final controlling element part, and the parts of described Sensor section all are connected with electronic control unit ECU (7), and the parts of described final controlling element part all are connected with electronic control unit ECU (7).
2, electric-controlled work system according to claim 1, it is characterized in that, described Sensor section comprises throttle position sensor (1) on the suction tude that is installed in gas handling system and suction pressure, temperature transducer (2), be installed in CMPS Camshaft Position Sensor (4), cylinder body cooling-water temperature transmitter (8), Oil pressure switch signal (9), crankshaft position sensor (11) on the motor (13), be installed in tail gas temperature-sensitive switching signal (5), direction post position transducer (21) and shipwreck switch sensor (23) on the engine exhaust pipe; Described final controlling element partly comprises electric fuel punp (14), oil sprayer (19), idle valve (20), ignition controler (3), fault indicating lamp (24).
3, electric-controlled work system according to claim 2 is characterized in that, described crankshaft position sensor (11) has two, and described two crankshaft position sensors are 180 degree and install.
4, electric-controlled work system according to claim 1, it is characterized in that, described fuel oil supply system, comprise electric fuel punp (14), fuel tank (15), fuel filter (17), pressure regulator (18), oil sprayer (19) and oily rail (16), electric fuel punp (14) is positioned at fuel tank (15), and fuel filter (17) is positioned between oily rail (16) and the electric fuel punp (14), and pressure regulator (18) connects electric fuel punp (14), oil rail (16) is connected with oil sprayer (19), and described oil sprayer (19) is exactly a described final controlling element part oil sprayer (19).
5, electric-controlled work system according to claim 1, it is characterized in that, described electronic control unit ECU (7) comprises input circlult, singlechip CPU, rom memory, the RAM that is used to connect Sensor section and is used to be connected the output circuit of final controlling element part, the two ends of described singlechip CPU connect input circlult and output circuit, and rom memory, RAM are connected with singlechip CPU.
According to each described electric-controlled work system of claim 1-5, it is characterized in that 6, described electronic control unit ECU (7) includes interruption oil spout control program.
According to each described electric-controlled work system of claim 1-5, it is characterized in that 7, described electronic control unit ECU (7) comprises and has or not the throttle control program.
8, a kind of motorboat with petrol engine is characterized in that, it is furnished with each described electric-controlled work system as claim 1-5.
9, motor boat according to claim 8 is characterized in that, by described motor boat rotatory handling, also is provided with a plug-in type hand button switch gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201339554U CN201277099Y (en) | 2008-09-24 | 2008-09-24 | Electric-controlled work system used for petrol engine motorboat and its motorboat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201339554U CN201277099Y (en) | 2008-09-24 | 2008-09-24 | Electric-controlled work system used for petrol engine motorboat and its motorboat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201277099Y true CN201277099Y (en) | 2009-07-22 |
Family
ID=40894683
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201339554U Expired - Fee Related CN201277099Y (en) | 2008-09-24 | 2008-09-24 | Electric-controlled work system used for petrol engine motorboat and its motorboat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201277099Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363381B (en) * | 2008-09-24 | 2010-06-02 | 张和君 | Electric-controlled work system for motorboat with petrol engine |
| CN102562338A (en) * | 2010-12-29 | 2012-07-11 | 上海汽车集团股份有限公司 | Timing judgment method for engine |
| CN102996275A (en) * | 2011-09-16 | 2013-03-27 | 重庆工业职业技术学院 | Electronic control fuel injection system of small general gasoline engine |
| CN104454210A (en) * | 2014-10-30 | 2015-03-25 | 湖北三江船艇科技有限公司 | Motorboat engine fault diagnosis and protection system |
| CN109611232A (en) * | 2019-01-24 | 2019-04-12 | 湖北三江船艇科技有限公司 | A kind of motor boat hypervelocity control method and device |
-
2008
- 2008-09-24 CN CNU2008201339554U patent/CN201277099Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101363381B (en) * | 2008-09-24 | 2010-06-02 | 张和君 | Electric-controlled work system for motorboat with petrol engine |
| CN102562338A (en) * | 2010-12-29 | 2012-07-11 | 上海汽车集团股份有限公司 | Timing judgment method for engine |
| CN102562338B (en) * | 2010-12-29 | 2015-04-15 | 上海汽车集团股份有限公司 | Timing judgment method for engine |
| CN102996275A (en) * | 2011-09-16 | 2013-03-27 | 重庆工业职业技术学院 | Electronic control fuel injection system of small general gasoline engine |
| CN104454210A (en) * | 2014-10-30 | 2015-03-25 | 湖北三江船艇科技有限公司 | Motorboat engine fault diagnosis and protection system |
| CN104454210B (en) * | 2014-10-30 | 2017-04-19 | 湖北三江船艇科技有限公司 | Motorboat engine fault diagnosis and protection system |
| CN109611232A (en) * | 2019-01-24 | 2019-04-12 | 湖北三江船艇科技有限公司 | A kind of motor boat hypervelocity control method and device |
| CN109611232B (en) * | 2019-01-24 | 2021-01-26 | 湖北三江船艇科技有限公司 | Motorboat overspeed control method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101363381B (en) | Electric-controlled work system for motorboat with petrol engine | |
| US7246591B2 (en) | Automatic choke control system for general-purpose engine | |
| CN100590309C (en) | Starting system and method of internal combustion engine | |
| CN201277099Y (en) | Electric-controlled work system used for petrol engine motorboat and its motorboat | |
| CN103352764B (en) | A kind of Motronic control maps jet control system controlled based on moment of torsion | |
| CN101198787A (en) | Starting system and method of internal combustion engine | |
| CN102072036A (en) | Method and device for controlling fuel-gas ratio of dual-fuel engine | |
| CN1404548A (en) | An engine management system | |
| CN101363379B (en) | ECU for electric-controlled work system of motorboat with petrol engine | |
| CN100363605C (en) | Method and apparatus for realizing dual fuel injection of alcohol fuel and oil fuel for combustion | |
| CN202001119U (en) | Control device for oil and gas proportion of dual-fuel engine | |
| CN101403343A (en) | Fuel volatility compensation for engine cold start speed control | |
| CN101135288A (en) | Internal-combustion engine starting method | |
| Warguła et al. | Electronic control in injection-ignition systems in propulsion of non-road mobile machinery | |
| CN101749144A (en) | Gas electrojet system of two-stroke outboard engine | |
| CN201277100Y (en) | ECU used for electric-controlled work system of petrol engine motorboat | |
| CN113137309A (en) | Oil gas dual-electric control dual-fuel engine control system | |
| CN209413995U (en) | Diesel engine closes the cylinder circulatory system | |
| CN202033658U (en) | Measurement and control system using oil field and coalfield associated gas as power and used for oil pumping unit and air exhauster | |
| CN109441647A (en) | Diesel engine closes the cylinder circulatory system | |
| CN201103473Y (en) | Gas electric spraying system of two-stroke outboard machine | |
| CN201129219Y (en) | Electro-spraying engine for pedal motorcycle | |
| CN101571084A (en) | Electric water spraying and combustion supporting energy saver | |
| CN103573454A (en) | Electronic control method for engine with oil supply system using carburetor | |
| CN102840044A (en) | Fuel injection amount calculation method and fuel injection controlling apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ningbo de New Energy Automotive Electronic Technology Co., Ltd. Assignor: Zhang Hejun|Wang Heping Contract fulfillment period: 2008.12.10 to 2014.12.10 Contract record no.: 2009990000181 Denomination of utility model: Electric-controlled work system for motorboat with petrol engine Granted publication date: 20090722 License type: Exclusive license Record date: 20090311 |
|
| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.10 TO 2014.12.10; CHANGE OF CONTRACT Name of requester: NINGBO DESIKE NEW ENERGY AUTOMOTIVE ELECTRONICS TE Effective date: 20090311 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090722 Termination date: 20100924 |