Micro-processor controlled motor and controlling method
Technical field
The invention belongs to internal-combustion engine, engine art.
Background technique
China consumes petroleum 2.5 hundred million tons year, and wherein 2/3 is used for motor, and both at home and abroad the efficient of available engine only 0.4, therefore, has every year more than one hundred million tons oil to be wasted, and so Duo precious resources has been wasted, and all too is unfortunate.Find that through analysis there are a lot of serious problems in available engine to motor.Available engine adopts connecting rod to finish piston linear and moves to the conversion that rotatablely moves, with a toll of 14%, available engine utilizes its bent axle as feedback control source, artificially the work done circulation is increased to 4 strokes, has increased reciprocal inertia and the frictional loss of switching mechanism.At present, most machineries are progressive to microcomputer control, and motor is still continued to use backward machinery control only.
Summary of the invention
The present invention adopts microcomputer control to replace falling the control of part machinery, has improved the working level of motor comprehensively, and has proposed new engine structure.
One of purpose of the present invention is: provide a kind of can the cancellation in the present motor to comprise timing gear, camshaft system, tappet, endure tube; rocking arm, the control of machinery such as rocker arm bracket adopts the microcomputer sequence controller to finish the computer-controlled engine control of motor.Another object of the present invention provides and realizes this technological scheme motor, has realized significantly improving of engine performance.
For addressing the above problem, one of technological scheme of the present invention is such: i.e. a kind of microcomputer control method of motor, comprise the employing programmable controller, carry out solenoid valve, time delay relay, and controlled motor is characterized in that: utilize rolling screw mechanism to finish the conversion of rectilinear movement to rotating motion, wherein each piston is only made two strokes and is just finished a work cycle, and the control sequence of its controlling method comprises:
When a, the first stroke expansion space stroke, enable switch, igniting, burning, the piston mobile screw drives the screw-casing rotation, clutch combination, clutch driven gear, output gear rotation, output power.
When b, second stroke, with the piston pushed home, at this moment, exhaust valve is opened the clutch outage by the computer control device control electromagnetic valve by spring; After acting finishes, after promoting piston and get back to original position by Returnning spring, by the computer control device control electromagnetic valve with INO, gas in the mixed combustion source of the gas of band pressure is pressed into cylinder fast, when fast row finishes waste gas, computer control device control exhaust valve closure, when inner pressure of air cylinder reached mixture pressure, computer control device control suction valve cut out.Then this moment spark ignition, start circulation down.
C, each work done unit is distributed on around the output center gear; During engine operation that several cylinders constitute, the firing time interval between each cylinder is identical, and the total net cycle time of each cylinder should be greater than the net cycle time of single cylinder.
In said method, the working procedure of each piston-cylinder unit is independently.When several piston-cylinder units cooperated the composition multicylinder engine, then in a work cycle of motor, each cylinder is ignition-powering in order, and the shared time of each cylinder is the percentage of deciding for engine operating cycle.The length of operation cycle is represented the height of the rotating speed of motor.
Realize that two of the technical solution used in the present invention is such: promptly a kind of micro-processor controlled motor, comprise programmable controller, at least one cylinder, each cylinder comprise by the suction valve of electromagnetic valve, outlet valve, rectilinear movement to rotating motion transition components, Returnning spring, clutch pack; It is characterized in that: the rectilinear movement to rotating motion transition components is made of screw rod, spline housing, thrust bearing, screw-casing, electromagnetic rope clutch, wherein an end and the piston of screw rod are fixed, linear splines groove section and spiral chute section are arranged on the screw rod, linear splines groove section cooperates with the spline housing that the top is fixed on the cylinder liner lower end by ball, and the spiral chute section cooperates with screw-casing by ball; Spline housing is connected by thrust bearing with screw-casing; Electromagnetic rope clutch is made of screw-casing, electromagnetism rope, electromagnetic coil and output gear, and electromagnetism rope, electromagnetic coil are between screw-casing and output gear; The other end of screw rod contacts with Returnning spring: the fixing output gear of each and electromagnetic rope clutch on circumference with the output center gear engagement of motor.
Sequence control method provided by the invention and device have replaced comprising timing gear, camshaft, and cam chair, cam is endured tube, tappet, rocking arm, mechanical parts such as rocker arm bracket.Because computer has time virtual controlling function, therefore, three time delay relays can be finished by computer.In addition,,, when known speed, also can replace, after the modeling, also finish by computer by time control according to time=length/speed to position controller.Therefore, control system is the microcomputer sensorless control system.
In the engine structure provided by the invention, transformation of energy, motion converter and transmission are finished by machinery; The control of motor is then by programmable controller, and final controlling element is formed, and makes the advanced level of motor progress to modern Mechatronic Systems.Motor is the center with the output gear, counts difference according to cylinder, and each work done unit is distributed on around the output gear, finish the selection transmission by magnetic clutch, make Control Parameter not be subjected to the influence of engine speed, on motor, adorn thermal baffle, adorn various electronic equipments onboard.Suction tude arranges along each cylinder outer shroud, outlet pipe by each cylinder right inwall connect output.The motor profile is cylindrical.
Description of drawings
Fig. 1 is motor example structure figure, and it is the B-B sectional view of Fig. 2;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is a motor example structure schematic representation;
Fig. 4 is work cycle control block diagram.
Fig. 5 is the ladder diagram of programmable logic controller (PLC) controls motor.
Embodiment
Below by accompanying drawing, the specific embodiment of the invention is further specified.
Referring to Fig. 1 and Fig. 2 is the total arrangement structural drawing of motor, and motor is by the controlling component on top, and middle combustion component reaches following transmission and transform component and forms.Owing to saved the mechanical controller structure, engine structure is greatly simplified, and boundary dimension is significantly dwindled, and weight alleviates one times approximately.
Referring to Fig. 3 is the structural representation of motor, and 1 is transmission and transform component among the figure, and 2 is combustion component, and 3 is controlling component.2 of controlling component 3 and combustion components have space and thermal baffle, and programmable controller 5 is contained on the thermal baffle, for four cylinder engine, 4 cylindrical power assemblies 4 are arranged correspondingly.The power assembly of motor is by suction valve 10, outlet valve 9, and cylinder liner 11, piston 12, screw rod 13, spline housing 14, screw-casing 15, clutch and gear 16, Returnning spring 17 is formed.When the cylinder combustion work done, piston 12, screw rod 13 move down, and the effect of spline housing 14 is to guarantee that 13 of screw rods move up and down.When screw rod moved down, screw-casing 15 was transformed to the positive and negative rotation of screw-casing 15 with moving up and down of piston, and the effect of clutch 16 is, when piston moves down, when screw-casing was just transferring to merit, clutch 16 was connected, and by gear power is passed to output gear.And screw rod 13 resets when being promoted to move by spring 17, and clutch unclamps.Move positive and negative rotation so piston when moving back and forth work, only has piston, screw rod, screw-casing, spring is upper and lower.And clutch outer, output gear to be permanent direction rotate.
Fig. 4 is work cycle control block diagram, press switch starter A after, engine ignition B, mixture combustion, the positive stroke work done of piston C, magnetic clutch is connected, power is exported, when piston C moves on to after bottom dead center, time delay relay D opens electromagnetic exhaust valve E, the magnetic clutch outage, piston revesal exhaust F, behind certain hour, when piston moved to top dead center, time delay relay G opened electromagnetic intake valve H, compression pump I exports air pressurized, after Injection Pump J oil spout, mixed gas is imported firing chamber K, live gas is extruded waste gas in the firing chamber gradually, behind certain hour, when treating that waste gas has squeezed substantially, time delay relay L closes electromagnetic exhaust valve M, and air inlet is continued in the firing chamber, N boosts, after certain hour was raised to specified air pressure, time delay relay O closed suction valve P, finished a complete work cycle.By logical circuit signal feed back is gone back to light a fire simultaneously, begin second work cycle.Here, time delay relay G, time delay relay L, time delay relay O are regularly, in fact can be finished by the virtual circuit of computer.The actuation time of time delay relay D is relevant with engine speed, is obtained by displacement, speed, time model, also can be finished by the virtual circuit of computer.
Fig. 5 is the ladder diagram of programmable logic controller (PLC) PLC control motor, in order to finish said sequence control.PLC with the F-40M of Mitsubishi is an example.X400 is an enable switch, and M is an auxiliary relay, and T is a timer, and igniter, clutch, outlet valve, suction valve, compression pump, oil nozzle are respectively by Y430, Y431, Y432, Y433, Y434, Y435 representative.After pressing enable switch X400, igniter Y430, clutch Y431 is driven, timer T450 starting; After timer T450 regularly finishes; Time delay relay D drives outlet valve Y432, clutch Y431 disconnects, timer T451 starting: after timer T451 regularly finishes, time delay relay G opens suction valve, time delay relay L closes outlet valve, compression pump leaves, oil nozzle is opened, timer T452 starting: after timer T452 regularly finished, compression pump Y434 closed, and oil nozzle Y435 closes, time delay relay O closes suction valve Y433, suction valve Y433 closes, and time delay relay D closes outlet valve Y432, timer T453 starting: begin next circulation after timer T453 regularly finishes again.