CN103303312B - Oil-saving car whole-control system and control method thereof - Google Patents
Oil-saving car whole-control system and control method thereof Download PDFInfo
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- CN103303312B CN103303312B CN201310193489.4A CN201310193489A CN103303312B CN 103303312 B CN103303312 B CN 103303312B CN 201310193489 A CN201310193489 A CN 201310193489A CN 103303312 B CN103303312 B CN 103303312B
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Abstract
The invention discloses a kind of oil-saving car whole-control system and control method thereof, be intended to overcome the problem of clutch control device in plunger type carburetor oil-saving car, carburettor plunger height controller and the automatically controlled inaccurate coordination between valve of holding one's breath, oil-saving car whole-control system comprises automatically controlled valve of holding one's breath, carburettor plunger height controller and clutch control device.The circular tube shaped air inlet pipe interface of described automatically controlled valve of holding one's breath is connected with the air extractor duct of carburettor by inlet channel, and the flange plate type interface of automatically controlled valve of holding one's breath is connected with engine inlet port.Carburettor plunger height controller adopts support and bolt to be installed on carburettor, and the lower end of steering wheel bracing wire in carburettor plunger height controller is connected with the plunger top in carburettor.Clutch control device is arranged on vehicle frame, and one end of electric push rod bracing wire wherein is connected with electric push rod, and the other end is connected with the intermediate support plate installing right dental inlay.The present invention also provides the control method of oil-saving car whole-control system.
Description
Technical field
The present invention relates to a kind of fuel-saving control system, or rather, the present invention relates to a kind of oil-saving car whole-control system and control method thereof.
Background technology
At present, exist a kind of in the process of moving can the plunger type carburetor oil-saving car of coasting with engine off.This oil-saving car vehicle body streamline contour is good, and can slide comparatively remote after flame-out, brake system is manual type, does not need other power-assisted, therefore does not worry that oil-saving car loses braking potential after stopping working.This kind of oil-saving car generally have employed clutch control device, carburettor plunger height controller, the automatically controlled devices such as valve of holding one's breath to reach fuel-economizing object.When oil-saving car slides, in order to obtain coasting distance farthest with minimum speed loss, have employed clutch control device, wheel and driving system can disconnect when oil-saving car slides by this device, make taxiing procedures not have transmission resistance.Have randomness and fugitiveness for manual control carburettor plunger and delivery quality, adopt carburettor plunger height controller, this device can mate best plunger height according to the moving velocity of car, controls accurately, to reduce oil consumption.For time flame-out, cause due to engine inertia air inlet a part of fuel oil directly to discharge from freeing pipe, not only increased oil consumption but also contaminated environment, the closedown of inlet channel when have employed automatically controlled valve of holding one's breath to realize flame-out, thus avoided inertia air inlet.But various petroleum economizer lacks the control that car load is coordinated, and concrete shortcoming is as follows:
1. inaccurate coordination between each device, if not by flow operations, easily influence each other respective normal work and oil-saving effect;
2. rely on traditional manual mode of operation, complicated operation and be difficult to realize accurate, real-time control, thus fuel-economizing object cannot be realized.
3. adopt a set of electrical controller respectively, not only increase cost but also underuse existing automatically controlled resource.
Summary of the invention
Technical matters to be solved by this invention is the problem overcoming clutch control device in plunger type carburetor oil-saving car, carburettor plunger height controller and the automatically controlled inaccurate coordination between valve of holding one's breath, and provides a kind of oil-saving car whole-control system and control method thereof.
For solving the problems of the technologies described above, the present invention adopts following technical scheme to realize: described oil-saving car whole-control system comprises automatically controlled valve of holding one's breath, carburettor plunger height controller and clutch control device, and described clutch control device comprises the identical returning spring of 2 structures, electric push rod, electric push rod bracing wire and the automatically controlled part of clutch control device.
The returning spring that 2 structures are identical is arranged in parallel to each other, the right-hand member of the returning spring that 2 structures are identical to put on the identical stay bearing plate of 2 structures on vehicle frame with groove, the left end of the returning spring that 2 structures are identical puts into the identical groove of 2 structures on intermediate support plate right side, one end of electricity push rod bracing wire is fixedly connected with electric push rod, and the other end of electric push rod bracing wire is walked around the pulley be arranged between the identical returning spring of 2 structures and is fixedly connected with intermediate support plate; Model in the automatically controlled part of clutch control device is that the OUTPUT3 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT4 pin and electric push rod.
No. 1 Hall element that the driving chip that clutch control device electric control part described in technical scheme is divided and comprised micro controller system that model is AT89C51, model is L298, model are NJK-5002CNPN, model are No. 3 Hall elements of NJK-5002CNPN, No. 1 single pole double throw switch and No. 2 single pole double throw switch, wherein: No. 1 single pole double throw switch is identical with the structure of No. 2 single pole double throw switch.The T0 pin of model to be No. 3 Hall elements that No. 1 Hall element and the model of NJK-5002CNPN is NJK-5002CNPN with model be the successively micro controller system of AT89C51 is connected with T1 pin electric wire; The INPUT1 pin that model is P1.2 pin in the micro controller system of AT89C51, P1.3 pin, P1.4 pin and P1.5 pin are the driving chip of L298 successively with model, INPUT2 pin, INPUT3 pin are connected with INPUT4 pin electric wire.The intermediary interface of No. 1 single pole double throw switch and No. 2 single pole double throw switch all connects power cathode, and the upper end interface direct type number of No. 1 single pole double throw switch is the P1.6 interface of the micro controller system of AT89C51, and lower end interface direct type number is the P1.7 interface of the micro controller system of AT89C51; The upper end interface direct type number of No. 2 single pole double throw switch is the P1.1 interface of the micro controller system of AT89C51, and lower end interface direct type number is the P1.0 interface of the micro controller system of AT89C51.
Automatically controlled valve of holding one's breath described in technical scheme comprises upper cover, connecting panel, spool, valve body, reducing motor, limit stick and automatically controlled valve electric control part of holding one's breath and divides.Spool loads in valve element circle through hole on valve body and spool round pool, be transition fit between the upper end of spool and the valve element circle through hole of valve body, be transition fit between the inner cylinder face of the lower end of spool and the spool round pool of valve body, it is interference fit that limit stick inserts in the blind hole on spool top end face, it is interference fit in the strip slot that connecting panel is arranged on spool top, upper cover is arranged on the main valve body top end face in valve body as bolt connects, and make the position-limited trough of upper cover be sleeved on limit stick, reducing motor is fixedly mounted on vertically and covers, the output shaft of reducing motor and the centre hole of connecting panel are equipped with, automatically controlled valve electric control part of holding one's breath divide in model be that the OUTPUT1 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT2 pin and reducing motor.
Spool described in technical scheme is a cylinder type hollow framing member, spool top end face is processed with a blind hole of mounting limit rod, the radius of turn of the arc-shaped slot that the Distance geometry of blind hole center of gyration line-spacing spool center of gyration line covers is equal, spool top end face center arranges the strip slot of the rectangle installing connecting panel, the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting panel, in the middle part of spool radially on a valve core through hole is set, a side through hole is being disposed radially perpendicular to valve core through hole rotation axis, the diameter of side through hole is less than the diameter of valve core through hole, the diameter of valve core through hole equals the diameter of the valve hole of valve body.
Valve body described in technical scheme is by circular tube shaped air inlet pipe interface, main valve body and flange plate type interface form, the main valve body of valve body is a cuboid framing member, the middle part of main valve body is provided with valve hole from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotation axis is provided with the valve body side opening that rotation axis and valve core through hole rotation axis intersect vertically, one is processed downwards for coordinating spool round tube hole with the face of cylinder of spool upper end from the center of the upper surface of main valve body, the bottom of the valve hole of main valve body arranges a spool round pool for coordinating with the face of cylinder of spool lower end, the rotation axis conllinear of valve element circle through hole rotation axis and spool round pool, on the diameter of valve element circle through hole and spool round pool and spool, the equal diameters of lower end, corner place on the top end face of main valve body is provided with tapped bore, the left end of the valve hole of main valve body is connected with circular tube shaped air inlet pipe interface, the right-hand member of the valve hole of main valve body is connected with flange plate type interface, circular tube shaped air inlet pipe interface, the equal diameters of valve hole and flange plate type interface, the rotation axis conllinear of three.
Carburettor plunger height controller described in technical scheme comprises steering wheel, reel, steering wheel bracing wire and the automatically controlled part of carburettor plunger height controller.Steering wheel above carburettor, the output shaft that reel is arranged on steering wheel is that spline pair connects by support and bolted, the upper end of steering wheel bracing wire and reel fixing after be wound around, the lower end of steering wheel bracing wire is connected with the plunger top in carburettor.
The darlington that No. 2 Hall elements that No. 1 Hall element that carburettor plunger height controller electric control part is divided and comprised Freescale single-chip microcomputer that model is XS128, model is NJK-5002CNPN, model are NJK-5002CNPN, model are ULN2003, No. 2 single pole double throw switch, model are voltage stabilizing chip, actuating motor relay and the ignition coil relay of 7806.Model is that the T7 interface electric wire that signal wire (SW) and the model of No. 1 Hall element of NJK-5002CNPN is the Freescale single-chip microcomputer of XS128 is connected, model is that the T0 interface electric wire that signal wire (SW) and the model of No. 2 Hall elements of NJK-5002CNPN is the Freescale single-chip microcomputer of XS128 is connected, the intermediary interface of No. 2 single pole double throw switch connects power cathode, the upper end interface of No. 2 single pole double throw switch connects the PA0 interface of Freescale single-chip microcomputer, the lower end interface of No. 2 single pole double throw switch connects the PA1 interface of Freescale single-chip microcomputer, model is the input termination 12V positive source of the voltage stabilizing chip of 7806, model is the GND termination 12V power cathode of the voltage stabilizing chip of 7806, two power leads of steering wheel respectively direct type number are mouth and the GND end of the voltage stabilizing chip of 7806, the signal wire (SW) direct type number of steering wheel is the PWM1 interface of the Freescale single-chip microcomputer of XS128, model is that the IN1 interface that PA3 interface and the PA4 interface of the Freescale single-chip microcomputer of XS128 is the darlington of ULN2003 successively with model is connected with IN2 interface electric wire, model is that the OUT1 interface of the darlington of ULN2003 is connected with actuating motor relay electric wire, model is that the OUT2 interface of the darlington of ULN2003 is connected with ignition coil relay electric wire.
The circular tube shaped air inlet pipe interface of the automatically controlled valve of holding one's breath described in technical scheme is connected with the air extractor duct of carburettor by inlet channel, and the flange plate type interface of automatically controlled valve of holding one's breath is connected with engine inlet port; Carburettor plunger height controller adopts support and bolt to be installed on carburettor, and the lower end of steering wheel bracing wire in carburettor plunger height controller is connected with the plunger top in carburettor; Clutch control device is arranged on the vehicle frame on the right side of denture clutch.
A kind of step of control method of oil-saving car whole-control system is as follows:
1. starting process
Produce low level binding signal by No. 1 single pole double throw switch and be sent to the micro controller system that model is AT89C51; Model is the wheel rotation speed signals that the micro controller system of AT89C51 transmits from T0 interface No. 1 Hall element simultaneously, from belt wheel (12) tach signal that T1 interface No. 3 Hall elements transmit.Now vehicle wheel rotational speed is equal and be zero with band wheel speed, model is that the micro controller system of AT89C51 judges that vehicle wheel rotational speed is equal with band wheel speed, and collect binding signal, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod to extend, realize the combination of denture clutch;
Produce low level cranking signal by No. 2 single pole double throw switch and send the Freescale single-chip microcomputer that model is XS128 to, model is after this signal of Freescale single-chip microcomputer identification of XS128, and control actuating motor relay and ignition coil relay close;
2. accelerator
Model is sent to be the Freescale single-chip microcomputer of XS128 in real time by the tach signal of the driving engine of No. 2 Hall element collections, after detecting that driving engine completes idling, as rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height of steering wheel from dynamic control carburettor plunger;
3. taxiing procedures
No. 2 single pole double throw switch produce low level misfire signals and send the Freescale single-chip microcomputer that model is XS128 to, and model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay disconnection; This misfire signals also passes to the micro controller system that model is AT89C51, and model is the automatically controlled valve closing inlet channel of holding one's breath of the Single-chip Controlling of AT89C51, to prevent engine inertia air inlet.Simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, then controls conducting inlet channel, prepares for starting next time;
No. 1 single pole double throw switch produces low level separation signal simultaneously, this signal is the micro controller system that the P1.7 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model, model is that the micro controller system of AT89C51 is to after this signal transacting, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod to shrink, realize the separation of denture clutch;
4. accelerator again
No. 2 single pole double throw switch produce low level cranking signal and send the Freescale single-chip microcomputer that model is XS128 to, the Freescale single-chip microcomputer of XS128 controls actuating motor relay and ignition coil relay closes again, after detecting that driving engine completes idling, as rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height of steering wheel from dynamic control carburettor plunger;
No. 2 single pole double throw switch produce low level cranking signal and send the micro controller system that model is AT89C51 simultaneously to, model be AT89C51 microprocessor detect to vehicle wheel rotational speed and band wheel speed equal time, control denture clutch recombines, and the transmission of power of driving engine is realized the acceleration of vehicle to wheel;
5. flame-out process
The low level misfire signals produced by No. 2 single pole double throw switch sends Freescale single-chip microcomputer that model is XS128 respectively to and model is the micro controller system of AT89C51, model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay and actuating motor relay disconnects, and makes carburettor plunger height fall back to minimum by controlling steering wheel.Model is that the Single-chip Controlling denture clutch of AT89C51 disconnects and valve closing inlet channel of holding one's breath, to prevent engine inertia air inlet, simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, control inlet channel conducting again, prepare for starting next time.
Compared with prior art the invention has the beneficial effects as follows:
1. oil-saving car whole-control system of the present invention and control method thereof introduce clutch control device, and do not have transmission resistance in taxiing procedures, coasting distance is farther, decrease fuel oil consumption under identical mileage.
2. the clutch control device in oil-saving car whole-control system of the present invention and control method thereof gathers wheel and band wheel speed by Hall element, ensure that power-transfer clutch combines when wheel velocity is equal with band wheel speed, do not exist and beat tooth and impact phenomenon, working stability is reliable.
3. oil-saving car whole-control system of the present invention and control method thereof introduce carburettor plunger height controller, best plunger height (i.e. delivery quality) is mated according to the speed of a motor vehicle in oil-saving car driving process, realize the accurate control of carburetion mixture, decrease the consumption of fuel oil.
4. the speed of a motor vehicle in oil-saving car whole-control system of the present invention and control method thereof and best plunger height relationships curve, under guarantee oil-saving car workload condition, the observed data place of the theoretical analysis and engine rig test, real vehicle accelerated test and obtaining, good reliability.
5. in the carburettor plunger height controller in oil-saving car whole-control system of the present invention and control method thereof, use servos control plunger, relative DC speed-reducing, more accurately can control the height of plunger, steering wheel is connected by bracing wire-reel transmission device with carburettor plunger, transmission device good reliability, structure is simple.
6. oil-saving car whole-control system of the present invention and control method thereof introduce automatically controlled valve of holding one's breath, inlet channel is closed when realizing flame-out, can effectively prevent engine inertia air inlet, avoid part fuel oil directly to enter in air through freeing pipe, both saved fuel oil and turn avoid the pollution of hydro-carbon to air.
7. oil-saving car whole-control system of the present invention and control method thereof will have the clutch control device of energy-saving function, carburettor plunger height controller and automatically controlled three, valve part comprehensive coordination of holding one's breath, give full play to the oil-saving effect of each several part, realize car load automatically to control simultaneously, make the operation of oil-saving car more simple, hommization more.
8. oil-saving car whole-control system of the present invention and control method thereof are partially integrated on one piece of circuit card by automatically controlled, cost-saving, and convenient layout, reliability is strong.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the present invention is further illustrated:
Fig. 1 is the schematic block diagram of oil-saving car whole-control system structure of the present invention composition;
The front view that the structure that Fig. 2 is the automatically controlled valve of holding one's breath adopted in oil-saving car whole-control system of the present invention forms;
Fig. 3 for adopt in oil-saving car whole-control system of the present invention clutch control device structure composition breakdown axonometric projection graph;
The axonometric projection graph that the structure that Fig. 4 is the carburettor plunger height controller adopted in oil-saving car whole-control system of the present invention forms;
Fig. 5 is the control flow block diagram of the control method of oil-saving car whole-control system of the present invention;
Fig. 6 is the schematic circuit diagram in the carburettor plunger height controller that adopts in oil-saving car whole-control system of the present invention;
Fig. 7 is the clutch control device that adopts in oil-saving car whole-control system of the present invention and automatically controlled schematic circuit diagram of holding one's breath in valve;
In figure: 1. upper cover, 2. connecting panel, 3. spool, 4. valve body, 5. reducing motor, 6. driving engine, 7. limit stick, 8. inlet channel, 9. carburettor, 10. automatically controlled valve of holding one's breath, 11. carburettor plunger height controllers, 12. belt wheels, 13. denture clutchs, 14. wheels, 15. clutch control devices, 16. left dental inlays, 17. right dental inlays, 18. electric push rods, 19. returning springs, 20. steering wheels, 21. reels, 22. steering wheel bracing wires, 23. electric push rod bracing wires, 24. bearing bracketts, 25. intermediate support plates.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is explained in detail:
Consult Fig. 1, described oil-saving car whole-control system comprises automatically controlled valve 10 of holding one's breath, carburettor plunger height controller 11 and clutch control device 15.Driving engine 6, carburettor 9, belt wheel 12, denture clutch 13 and wheel 14 are original parts of oil-saving car.
The installation site of oil-saving car car load fuel-saving control system components on real vehicle is illustrated in figure.This oil-saving car belongs to mid-rear-guard formula, looks back from oil-saving car dead ahead, and driving engine 6 is positioned in the middle part of oil-saving car, and belt wheel 12 is positioned at oil-saving car left rear side, and wheel 14 belongs to trailing wheel and the drive wheel of oil-saving car; Carburettor 9 is positioned in the middle of driving engine 6 and wheel 14; Denture clutch 13 belongs to hind axle part, is arranged on the right side of rear axle, and above arrangement is conventional arrangement.Driving engine 6 is connected with belt wheel 12 by belt, therefore driving engine 6 by belt by transmission of power to belt wheel 12, belt wheel 12 realizes spline pair by axle with right dental inlay 17 and is connected, namely belt wheel 12 by the axle with male splines by transmission of power to right dental inlay 17, this castellated shaft inserts in wheel nave, but does not contact with wheel nave.Automatically controlled valve 10 of holding one's breath is loaded on driving engine 6 inlet channel 8, and the circular tube shaped air inlet pipe interface of automatically controlled valve 10 of holding one's breath is connected by the air extractor duct of inlet channel 8 with carburettor 9, and the flange plate type interface of automatically controlled valve 10 of holding one's breath is connected with driving engine 6 admission port; Carburettor plunger height controller 11 is installed on carburettor 9, and the lower end of the steering wheel bracing wire 22 in carburettor plunger height controller 11 is connected with the plunger top in carburettor 9.Clutch control device 15 is arranged on the vehicle frame of denture clutch 13 1 (right side) side; Clutch control device 15, carburettor plunger height controller 11 and automatically controlled electric control part of holding one's breath in valve 10 divide concentrated being produced on one piece of circuit card, and are arranged on the vehicle frame in the middle part of oil-saving car.The installation site of above each several part can change according to actual conditions, but needs to ensure that each several part normally works.
Consult Fig. 2, described automatically controlled valve 10 of holding one's breath comprises upper cover 1, connecting panel 2, spool 3, valve body 4, reducing motor 5, limit stick 7 and automatically controlled part.
Described upper cover 1 is a foursquare plate structure part, the center is provided with the round tube hole that is installed reducing motor 5 output shaft, the side of installing the round tube hole of reducing motor 5 output shaft is provided with the arc-shaped slot of a quadrntnt, its effect carries out spacing to the rotation of spool 3, the rotation axis conllinear of the rotation axis of arc-shaped slot and the round tube hole of upper cover 1 center.The corner place of upper cover 1 is provided with bolt hole, adopts in the bolt hole on bolt insertion corner and is fixed on valve body 4 by upper cover 1.
Described connecting panel 2 is the strip board class formation part adopting carbon steel processing, the center of connecting panel 2 is provided with rectangular through-hole, it is the output shaft of rectangle that the mouth of reducing motor 5 is processed into the i.e. cross-sectional plane identical with the rectangular through hole shape of connecting panel 2 center, the output shaft of reducing motor 5 and the rectangular through-hole of connecting panel 2 center are equipped with, by the transmission of torque of reducing motor 5 on spool 3, the terminals of reducing motor 5 are that the P1.2 pin of the micro controller system of AT89C51 and P1.3 pin electric wire are connected by driving chip and model.
Described spool 3 is a cylinder type hollow framing member, spool 3 top end face is drilled with a blind hole of mounting limit rod 7, the radius of turn of the arc-shaped slot on the Distance geometry upper cover 1 of blind hole center of gyration line-spacing spool 3 center of gyration line is equal, namely after assembling, limit stick inserts in the position-limited trough of the circular arc on upper cover 1, carries out spacing, spool 3 top end face center arranges the strip slot of the rectangle installing connecting panel 2, and the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting panel 2, in the middle part of spool 3 radially on be provided with the radius valve core through hole equal with two ends air inlet pipe radius, the diameter of valve core through hole equals the diameter of the valve hole of valve body 4, a side through hole is being disposed radially perpendicular to this valve core through hole axis, namely the diameter that the diameter of side through hole is less than two ends air inlet pipe is less than the diameter of valve core through hole, when valve core through hole is just to air inlet pipe, for automatically controlled valve conducting state of holding one's breath, driving engine 6 normally can suck mixture gas, when spool 3 turns over 90 ° under the effect of reducing motor 5, spool side opening is just to the inlet channel of driving engine 6 side, valve core through hole is just to the valve body side through hole of valve body 4 side, now driving engine will suck air.
Described valve body 4 is made up of circular tube shaped air inlet pipe interface, main valve body and flange plate type interface, three is connected successively, main valve body in the middle part of valve body 4 is a cuboid framing member, the middle part of main valve body is provided with a radius and two ends air inlet pipe interface and the circular tube shaped air inlet pipe interface valve hole equal with flange plate type interface radius from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotation axis is provided with the valve body side opening that rotation axis and valve core through hole rotation axis intersect vertically; A valve element circle through hole is processed downwards from the center of the upper surface of main valve body, for the face of cylinder transition fit with spool 3 upper end, the bottom of the valve hole of main valve body arranges a spool round pool, spool round pool is used for the face of cylinder transition fit with spool 3 lower end, the rotation axis conllinear of valve element circle through hole rotation axis and spool round pool, the diameter of valve element circle through hole and spool round pool and the equal diameters of spool 3 upper and lower end; The corner place of the top end face of main valve body is provided with tapped bore, and tapped bore is used for and the bolt of fixed cover 1 is connected; The two ends of the valve hole of main valve body are connected with air inlet pipe interface, left end is circular tube shaped air inlet pipe interface, the right-hand member of right-hand member circular tube shaped air inlet pipe interface is flange plate type interface with flange, the equal diameters of circular tube shaped air inlet pipe interface, valve hole and flange plate type interface, the rotation axis conllinear of three, circular tube shaped air inlet pipe interface is connected with driving engine 6 with carburettor 7 successively with flange plate type interface; Valve body is the matrix of each Assembly of the parts of this automatically controlled valve of holding one's breath.
Output shaft and the connecting panel 2 of described reducing motor 5 connect firmly, and connecting panel 2 and spool 3 connect firmly, and reducing motor 5 rotation can be with movable valve plug 3 to rotate in valve body 4.There is a valve core through hole at the middle part of spool 3, pipeline conducting can be realized, with the horizontal radial direction of this valve core through hole axes normal on have a spool side opening, when valve core through hole rotate 90 ° blind off a line time, spool side opening is just to the inlet channel pipeline of driving engine 6 side, valve core through hole, just to the aperture of valve body 4 side, realizes the function of the lateral line and air conducting that have flange while blinding off a line.
After release of holding one's breath, automatically controlled section sets delay procedure, controls spool 3 and rotates backward 90 degree after a certain time, automatically controlled valve 10 of holding one's breath is opened again, realize the conducting of driving engine 6 and carburettor 9, is that air inlet next time prepares.
Spool 3 loads in valve element circle through hole on valve body 4 and spool round pool, be transition fit between the upper end of spool 3 and the valve element circle through hole of valve body 4, be transition fit between the inner cylinder face of the lower end of spool 3 and the spool round pool of valve body 4, it is interference fit that limit stick 7 inserts in the blind hole on spool 3 top end face, it is interference fit in the strip slot that connecting panel 2 is arranged on spool 3 top, upper cover 1 is arranged on the main valve body top end face in valve body 4 as bolt connects, and make the position-limited trough 9 of upper cover 1 be sleeved on limit stick 7, reducing motor 5 is fixedly mounted on upper cover 1 vertically, the output shaft of reducing motor 5 and the centre hole of connecting panel 2 are equipped with, automatically controlled valve electric control part of holding one's breath divide in model be that the OUTPUT1 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT2 pin and reducing motor 5.
Consult Fig. 3, described denture clutch 13 is made up of left dental inlay 16 and right dental inlay 17, and its material is low-carbon alloy steel (as 20Cr, 20MnB) gained after carburizing and quenching process.Left dental inlay 16 is connected with the wheel hub of wheel 14, and the center of right dental inlay 17 is provided with female splines, belt wheel 12 by the axle with male splines by transmission of power to right dental inlay 17, this castellated shaft through the wheel hub of wheel 14, but does not contact with wheel nave.Be provided with a deep groove ball bearing in the centre hole of intermediate support plate 25, right dental inlay 17 does not have one end of tooth to be arranged in this bearing, and right like this dental inlay 17 just can rotate by intermediate support plate 25 relatively.When power-transfer clutch in conjunction with time, namely left dental inlay 16 and right dental inlay 17 in conjunction with time, the power transmitted from driving engine 6, by belt wheel 12, passes to right dental inlay 17 through castellated shaft, then passes to left dental inlay 16 by right dental inlay 17, finally pass to wheel 14; When power-transfer clutch disconnects, when namely left dental inlay 16 disconnects with right dental inlay 17, the power transmitted from driving engine 6 passes to castellated shaft by belt wheel 12, and castellated shaft drives right dental inlay 17 to dally, no longer by power going down.
Consult Fig. 3, described clutch control device 15 comprise the identical returning spring 19 of 2 structures, model is the electric push rod 18 of TG-300B, electric push rod bracing wire 23, bearing brackett 24, intermediate support plate 25 and the automatically controlled part of clutch control device.
The structure of two described returning springs 19 is identical, is the coil spring of plain cylindrical form, belongs to gauge member.The mounting means of the returning spring 19 that 2 structures are identical is identical, the returning spring 19 that 2 structures are identical is arranged in parallel to each other, one (right side) end of the returning spring 19 that 2 structures are identical to put on the identical stay bearing plate of 2 structures on vehicle frame with groove, another (left side) end of the returning spring 19 that 2 structures are identical to put on intermediate support plate 25 with the identical groove of 2 structures, the returning spring 19 that 2 structures are identical is in compressive state always, ensure the compact siro spinning technology of the stay bearing plate that returning spring 19 that 2 structures are identical is identical with the structure of 2 on vehicle frame and intermediate support plate 25.The top of intermediate support plate 25 midway location is provided with an aperture, and electric push rod bracing wire 23 is connected with intermediate support plate 25 by this hole, and the fore and aft motion of electric push rod 18 is passed to right dental inlay 17.The effect of the returning spring 19 that 2 structures are identical is when without External Force Acting, ensures that the left dental inlay 16 of denture clutch 13 and right dental inlay 17 combine; When the returning spring 19 that 2 structures are identical when External Force Acting compresses, realize the separation of denture clutch 13, relaxed by the returning spring 19 that 2 structures are identical and impact.
What described electric push rod 18 was selected in an embodiment is model is the electric push rod of TG-300B.Electricity push rod 18 is fastened by bolts on the vehicle frame on the right side of denture clutch 13, and the automatically controlled part of clutch control device carries out real-time control to it.Its effect realizes being separated and combination of denture clutch 13 by shrinking with elongation.The stroke that it shrinks (or elongation) has different specifications, and distance when should be separated with right dental inlay 17 according to left dental inlay 16 selects the stroke be applicable to, and ensures that electric push rod stroke is greater than distance when left dental inlay 16 is separated with right dental inlay 17.An aperture is bored on the top of electricity push rod 18, and electric push rod bracing wire 23 is connected by this Kong Yu electricity push rod 18.
Described electric push rod bracing wire 23 is stone dead wire material, can bear the power of 50N.One end of electricity push rod bracing wire 23 is connected with electric push rod 18 by the aperture on electric push rod 18, and is clamped by bolt; The other end of electricity push rod bracing wire 23 is walked around the pulley be welded on bearing brackett 24 be arranged between the identical returning spring 19 of 2 structures and is fixedly connected with the intermediate support plate 25 of the right dental inlay 17 of installation; To realize the requirement meeting different motion direction.The effect of electricity push rod bracing wire 23 is that the straight-line motion of electric push rod is passed to right dental inlay 17, when electric push rod 18 shrinks, realizes the separation of denture clutch 13.
Described bearing brackett 24 is welded on vehicle frame, and inside is provided with a deep groove ball bearing, and the axle of band spline inserts bearing, forms interference fit.A pulley is welded, for realizing the guiding of electric push rod bracing wire 23 above bearing brackett 24.
Be provided with a deep groove ball bearing in the centre hole of described intermediate support plate 25, right dental inlay 17 does not have one end of tooth to be arranged in this bearing, and right like this dental inlay 17 just can rotate by intermediate support plate 25 relatively.The top of intermediate support plate 25 midway location is provided with an aperture, and electric push rod bracing wire 23 is connected with right dental inlay 17 by this hole, and the fore and aft motion of electric push rod 18 is passed to right dental inlay 17.Intermediate support plate 25 both sides and spring attachment portion are processed with the groove of 4mm, and one (left side) end of the returning spring 19 that 2 structures are identical puts into this groove.
Consult Fig. 3, when normally travelling, when clutch control device electric control part divides the electric push rod 18 of control to extend, now denture clutch 13 realizes the combination of left dental inlay 16 and right dental inlay 17 under the back stretch of returning spring 19.The power transmitted from driving engine 6, by belt wheel 12, passes to right dental inlay 17 through castellated shaft, then passes to left dental inlay 16 through right dental inlay 17, thus pass to wheel nave, drives vehicle to travel.
When sliding traveling; driving engine 6 is flame-out shuts down, and clutch control device electric control part divides the electric push rod 18 of control to shrink, and by electric push rod bracing wire 23, the left dental inlay 16 of denture clutch 13 is separated with right dental inlay 17; the returning spring 19 that 2 structures are identical is compressed, and can relax impact.Speed before now vehicle relies on driving engine 6 flame-out continues Reduced Speed Now, because denture clutch 13 is in released state, therefore the sliding not by the drag effects of transmission system of wheel, coasting distance increases greatly.
Accelerator again, driving engine 6 starts again, the speed of belt wheel 12 starts to increase, when clutch control device electric control part divides the rotating speed of the rotating speed of inspection vehicle wheel 14 and belt wheel 12 equal, control electric push rod 18 to extend, now denture clutch 13 realizes the combination of left dental inlay 16 and right dental inlay 17 under the back stretch of the identical returning spring 19 of 2 structures, the power transmitted from driving engine 6 is by belt wheel 12, right dental inlay 17 is passed to through castellated shaft, left dental inlay 16 is passed to again through right dental inlay 17, thus by belt wheel 12 by the transmission of power that transmits from driving engine 6 to wheel nave, realize the acceleration of vehicle.
Consult Fig. 4, described carburettor plunger height controller 11 comprises mechanics and automatically controlled part.Mechanics forms with steering wheel bracing wire 22 primarily of steering wheel 20, reel 21.
Described carburettor 9 is plunger-type structure, and throat pipe diameter 18mm is suitable for the four-cycle, single-cylinder engine that discharge capacity is 125mL, is mark part.The delivery quality of driving engine is determined by the plunger height of carburettor 9, can realize the control of engine oil amount by controlling this plunger height.In the trunnion of carburettor 9, above plunger, there is a returning spring, row pretension can be filled in by coupled columns.
What described steering wheel 20 adopted is model is the gauge member of MG995, and by support and bolted on carburettor 9, installation site should ensure the output shaft axis of steering wheel 20 and the axis co-planar of plunger.The propulsion source as plunger Altitude control of the effect of steering wheel 20.The mouth of steering wheel 20 output shaft there is male splines, reel 21 can be installed.
Described reel 21 is a tubular framing member, and the face of cylinder has annular groove; The center of reel 21 is provided with female splines circular hole along rotation axis direction, and female splines circular hole coordinates with the male splines mouth of steering wheel 20, realizes the object of dress transmitting torque, and converts the rotary motion of steering wheel 20 to straight-line motion.
What described steering wheel bracing wire 22 adopted is a stone dead wire, one (on) hold and the fixing rear winding of reel 21, steering wheel bracing wire 22 another (under) end be connected with the plunger top in carburettor 9, when steering wheel 20 works, be the straight-line motion of plunger by the convert rotational motion of reel 21.
Carburettor plunger height controller electric control part divides control steering wheel 20 to produce rotary motion, produces the moment that reel 21 is rotated, thus drives the plunger upward movement of steering wheel bracing wire 22 and carburettor 9; When steering wheel 20 reverses, because the elastic force effect of gravity and returning spring makes plunger move downward.
Consult Fig. 6, the darlington that No. 2 Hall elements that No. 1 Hall element that the electric control part of described carburettor plunger height controller 11 is divided and comprised Freescale single-chip microcomputer that model is XS128, model is NJK-5002CNPN, model are NJK-5002CNPN, model are ULN2003, No. 2 single pole double throw switch, model be 7806 voltage stabilizing chip and two maximum currents be the common relay (i.e. actuating motor relay and ignition coil relay) of 20A.
No. 2 Hall elements of described model to be No. 1 Hall element of NJK-5002CNPN and model be NJK-5002CNPN gather engine rotational speed signal and vehicle speed signal successively, No. 2 Hall elements of model to be No. 1 Hall element of NJK-5002CNPN and model be NJK-5002CNPN respectively have three wires, wherein two is power lead, connect 5V positive source and negative pole, another root is signal wire (SW).Model is the T7 interface of the Freescale single-chip microcomputer that the signal wire (SW) direct type number of No. 1 Hall element of NJK-5002CNPN is XS128, the engine rotational speed signal of collection is passed to the Freescale single-chip microcomputer that model is XS128, model is the signal wire (SW) direct type number micro controller system T0 interface for XS128 of No. 2 Hall elements of NJK-5002CNPN, and the vehicle speed signal of collection is passed to the micro controller system that model is XS128.
Cranking signal and misfire signals are produced by No. 2 single pole double throw switch.The intermediary interface of No. 2 single pole double throw switch connects power cathode, the upper end interface of No. 2 single pole double throw switch connects the PA0 interface of Freescale single-chip microcomputer, the lower end interface of No. 2 single pole double throw switch connects the PA1 interface of Freescale single-chip microcomputer, by upper and lower toggle switch, produce low level starting and misfire signals respectively.
Model be 7806 voltage stabilizing chip there are three pins, be respectively input end, mouth and GND end, input termination 12V positive source, GND termination 12V power cathode.Steering wheel 6 has three wires, and two is power lead, and one is signal wire (SW), and power lead respectively direct type number is mouth and the GND end of the voltage stabilizing chip of 7806, and signal wire (SW) direct type number is the PWM1 interface of the Freescale single-chip microcomputer of XS128.
Model is that the IN1 interface that PA3 interface and the PA4 interface of the Freescale single-chip microcomputer of XS128 is the darlington of ULN2003 successively with model is connected with IN2 interface electric wire, model is that the OUT1 interface of the darlington of ULN2003 is connected with actuating motor relay electric wire, and model is that the OUT2 interface of the darlington of ULN2003 is connected with ignition coil relay electric wire.
The main control chip of model to be the Freescale single-chip microcomputer of XS128 the be automatically controlled part in carburettor plunger height controller 11.
The principle of work of automatically controlled part in carburettor plunger height controller 11:
Starting process:
After automatically controlled part powers on, being that the vehicle speed signal of No. 1 Hall element collection of NJK-5002CNPN sends the Freescale single-chip microcomputer that model is XS128 in real time to by model, is that the engine rotational speed signal of No. 2 Hall element collections of NJK-5002CNPN also sends the Freescale single-chip microcomputer that model is XS128 in real time to by model.Upwards stir No. 2 single pole double throw switch, produce low level cranking signal and send the Freescale single-chip microcomputer that model is XS128 to, model is that the Freescale single-chip microcomputer of XS128 judges that driving engine is in starting state, after detecting that driving engine completes idling, as rotating speed is greater than 800r/min, model is that the Freescale single-chip microcomputer of XS128 starts according to the speed of a motor vehicle, controls carburettor plunger height, realize the accurate control of carburetion mixture by the speed of a motor vehicle of program inner setting and the relation of plunger height.
Flame-out process:
Stir No. 2 single pole double throw switch downwards, produce low level misfire signals and send the Freescale single-chip microcomputer that model is XS128 to, model is that the Freescale single-chip microcomputer of XS128 judges that driving engine is in flameout state, model is that the Freescale single-chip microcomputer of XS128 is by controlling steering wheel 6, allow carburettor plunger fall after rise rapidly, stop air inlet in time.
Consult Fig. 7, the automatically controlled part of described clutch control device 15 is also the automatically controlled part of automatically controlled valve of holding one's breath, below unified introduction.No. 1 Hall element that the driving chip that this electric control part is divided and comprised micro controller system that model is AT89C51, model is L298, model are NJK-5002CNPN, model are No. 3 Hall elements of NJK-5002CNPN, No. 1 single pole double throw switch and No. 2 single pole double throw switch, wherein: No. 1 single pole double throw switch is identical with No. 2 single pole double throw switch structures.
The T0 pin of described model to be No. 3 Hall elements that No. 1 Hall element and the model of NJK-5002CNPN is NJK-5002CNPN with model be the successively micro controller system of AT89C51 is connected with T1 pin electric wire; The INPUT1 pin that model is P1.2 pin in the micro controller system of AT89C51, P1.3 pin, P1.4 pin and P1.5 pin are the driving chip of L298 successively with model, INPUT2 pin, INPUT3 pin are connected with INPUT4 pin electric wire, and model is that the OUTPUT1 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of reducing motor 5 with OUTPUT2 pin; Model is that the OUTPUT3 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT4 pin with electric push rod 18.
No. 1 described single pole double throw switch and the intermediary interface of No. 2 single pole double throw switch all connect power cathode, the upper end interface direct type number of No. 1 single pole double throw switch is the P1.6 interface of the micro controller system of AT89C51, lower end interface direct type number is the P1.7 interface of the micro controller system of AT89C51, by upper and lower toggle switch, produce low level binding signal and separation signal respectively.The upper end interface direct type number of No. 2 single pole double throw switch is the P1.0 interface of the micro controller system of AT89C51, and lower end interface direct type number is the P1.1 interface of the micro controller system of AT89C51, by upper and lower toggle switch, produces low level cranking signal and misfire signals respectively.
The principle of work of the automatically controlled part of described clutch control device and automatically controlled valve of holding one's breath:
The automatically controlled part of clutch control device
Control denture clutch 13 in conjunction with time, produce low level binding signal by No. 1 single pole double throw switch, this signal is the micro controller system that the P1.6 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model; Model is the wheel rotation speed signals that the micro controller system of AT89C51 transmits from T0 interface No. 1 Hall element simultaneously, from belt wheel 12 tach signal that T1 interface No. 3 Hall elements transmit.The micro controller system being AT89C51 when model judges that vehicle wheel rotational speed is equal with band wheel speed, and when having collected binding signal, exporting two control signals to model from the P1.4 pin of micro controller system and P1.5 pin is the driving chip of L298, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod 18 to extend, realize the combination of denture clutch 13.
When control clutch is separated, low level separation signal is produced by No. 1 single pole double throw switch, this signal is the micro controller system that the P1.7 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model, model is that the micro controller system of AT89C51 is to after this signal transacting, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod 18 to shrink, realize the separation of denture clutch 13.
The automatically controlled part of automatically controlled valve of holding one's breath
When needing to control engine off, low level misfire signals is produced by No. 2 single pole double throw switch, this misfire signals is the micro controller system that the P1.1 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model, model is that the micro controller system of AT89C51 is to after misfire signals process, be that to export two control signals to model be the driving chip of L298 for the P1.2 pin of the micro controller system of AT89C51 and P1.3 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT1 pin and OUTPUT2 pin, controlling reducing motor 5 drives core valve 3 to realize the closedown of inlet channel, after Timer module T0 in the micro controller system utilizing model the to be AT89C51 accurate timing long enough time (ensureing that inertia air inlet terminates), be that to export two control signals to model be the driving chip of L298 for the P1.2 pin of the micro controller system of AT89C51 and P1.3 pin again from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT1 and OUTPUT2 pin, controlling reducing motor 5 drives core valve 3 to realize the conducting of former inlet channel 8, for air inlet is prepared next time.
The principle of work of oil-saving car whole-control system:
In oil-saving car driving process, driving engine 6 by transmission of power to belt wheel 12, belt wheel 12 by castellated shaft by transmission of power to denture clutch 13, denture clutch 13 by transmission of power to wheel 14, clutch control device 15 controls denture clutch 13, the combination realizing power-transfer clutch be separated; The carburettor plunger height controller 11 that carburettor 9 is installed controls plunger height, to ensure that plunger At The Height is in the position with best fuel-economizing in real time according to the vehicle speed signal gathered; During engine off, the automatically controlled valve 10 of holding one's breath installed in the middle part of inlet channel 8 closes inlet channel 8 in time, prevents the air inlet of driving engine 6 inertia, avoids causing part fuel oil directly discharge from freeing pipe through cylinder and cause the waste of fuel oil due to inertia air inlet; Clutch control device 15, carburettor plunger height controller 11 and automatically controlled automatically controlled part of holding one's breath in valve 10 realize the comprehensive coordination work of clutch control device 15, carburettor plunger height controller 11 and automatically controlled valve 10 of holding one's breath.
The control method of oil-saving car whole-control system:
1. starting process
Produce low level binding signal by No. 1 single pole double throw switch and be sent to the micro controller system that model is AT89C51; Model is the wheel rotation speed signals that the micro controller system of AT89C51 transmits from T0 interface No. 1 Hall element simultaneously, from belt wheel 12 tach signal that T1 interface No. 3 Hall elements transmit.Now vehicle wheel rotational speed is equal and be zero with band wheel speed, model is that the micro controller system of AT89C51 judges that vehicle wheel rotational speed is equal with band wheel speed, and collect binding signal, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod 18 to extend, realize the combination of denture clutch 13;
Produce low level cranking signal by No. 2 single pole double throw switch and send the Freescale single-chip microcomputer that model is XS128 to, model is after this signal of Freescale single-chip microcomputer identification of XS128, and control actuating motor relay and ignition coil relay close;
2. accelerator
Model is sent to be the Freescale single-chip microcomputer of XS128 in real time by the tach signal of the driving engine 6 of No. 2 Hall element collections, after detecting that driving engine 6 completes idling, as rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height that steering wheel 20 controls carburettor plunger automatically;
3. taxiing procedures
No. 2 single pole double throw switch produce low level misfire signals and send the Freescale single-chip microcomputer that model is XS128 to, and model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay disconnection; This misfire signals also passes to the micro controller system that model is AT89C51, and model is that the automatically controlled valve 10 of holding one's breath of the Single-chip Controlling of AT89C51 closes inlet channel, to prevent engine inertia air inlet.Simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, then controls conducting inlet channel, prepares for starting next time;
No. 1 single pole double throw switch produces low level separation signal simultaneously, this signal is the micro controller system that the P1.7 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model, model is that the micro controller system of AT89C51 is to after this signal transacting, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod 18 to shrink, realize the separation of denture clutch 13;
4. accelerator again
No. 2 single pole double throw switch produce low level cranking signal and send the Freescale single-chip microcomputer that model is XS128 to, the Freescale single-chip microcomputer of XS128 controls actuating motor relay and ignition coil relay closes again, after detecting that driving engine 6 completes idling, as rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height that steering wheel 20 controls carburettor plunger automatically;
No. 2 single pole double throw switch produce low level cranking signal and send the micro controller system that model is AT89C51 simultaneously to, model be AT89C51 microprocessor detect to vehicle wheel rotational speed and band wheel speed equal time, control denture clutch 13 to recombine, the transmission of power of driving engine 6 is realized the acceleration of vehicle to wheel 14;
5. flame-out process
The low level misfire signals produced by No. 2 single pole double throw switch sends Freescale single-chip microcomputer that model is XS128 respectively to and model is the micro controller system of AT89C51, model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay and actuating motor relay disconnects, and makes carburettor plunger height fall back to minimum by controlling steering wheel 20.Model is that the Single-chip Controlling denture clutch 13 of AT89C51 disconnects and valve closing inlet channel of holding one's breath, to prevent engine inertia air inlet, simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, control inlet channel 8 conducting again, prepare for starting next time.
Claims (8)
1. an oil-saving car whole-control system, comprise automatically controlled valve of holding one's breath (10), carburettor plunger height controller (11) and clutch control device (15), it is characterized in that, described clutch control device (15) comprises the identical returning spring (19) of 2 structures, electric push rod (18), electric push rod bracing wire (23) and the automatically controlled part of clutch control device;
The returning spring (19) that 2 structures are identical is arranged in parallel to each other, the right-hand member of the returning spring (19) that 2 structures are identical to put on the identical stay bearing plate of 2 structures on vehicle frame with groove, the left end of the returning spring (19) that 2 structures are identical puts into the identical groove of 2 structures on intermediate support plate (25) right side, one end of electricity push rod bracing wire (23) is fixedly connected with electric push rod (18), the other end of electricity push rod bracing wire (23) is walked around the pulley be arranged between the identical returning spring (19) of 2 structures and is fixedly connected with intermediate support plate (25), model in the automatically controlled part of clutch control device is that the OUTPUT3 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT4 pin and electric push rod (18).
2. according to oil-saving car whole-control system according to claim 1, it is characterized in that, No. 1 Hall element that the driving chip that described clutch control device electric control part is divided and comprised micro controller system that model is AT89C51, model is L298, model are NJK-5002CNPN, model are No. 3 Hall elements of NJK-5002CNPN, No. 1 single pole double throw switch and No. 2 single pole double throw switch, wherein: No. 1 single pole double throw switch is identical with the structure of No. 2 single pole double throw switch;
The T0 pin of model to be No. 3 Hall elements that No. 1 Hall element and the model of NJK-5002CNPN is NJK-5002CNPN with model be the successively micro controller system of AT89C51 is connected with T1 pin electric wire; The INPUT1 pin that model is P1.2 pin in the micro controller system of AT89C51, P1.3 pin, P1.4 pin and P1.5 pin are the driving chip of L298 successively with model, INPUT2 pin, INPUT3 pin are connected with INPUT4 pin electric wire;
The intermediary interface of No. 1 single pole double throw switch and No. 2 single pole double throw switch all connects power cathode, and the upper end interface direct type number of No. 1 single pole double throw switch is the P1.6 interface of the micro controller system of AT89C51, and lower end interface direct type number is the P1.7 interface of the micro controller system of AT89C51; The upper end interface direct type number of No. 2 single pole double throw switch is the P1.1 interface of the micro controller system of AT89C51, and lower end interface direct type number is the P1.0 interface of the micro controller system of AT89C51.
3. according to oil-saving car whole-control system according to claim 1, it is characterized in that, described automatically controlled valve of holding one's breath (10) comprises upper cover (1), connecting panel (2), spool (3), valve body (4), reducing motor (5), limit stick (7) and automatically controlled valve electric control part of holding one's breath and divides;
Spool (3) loads in valve element circle through hole on valve body (4) and spool round pool, be transition fit between the upper end of spool (3) and the valve element circle through hole of valve body (4), be transition fit between the inner cylinder face of the lower end of spool (3) and the spool round pool of valve body (4), it is interference fit that limit stick (7) inserts in the blind hole on spool (3) top end face, it is interference fit in the strip slot that connecting panel (2) is arranged on spool (3) top, upper cover (1) is arranged on the main valve body top end face in valve body (4) as bolt connects, and make the position-limited trough of upper cover (1) (9) be sleeved on limit stick (7), reducing motor (5) is fixedly mounted on upper cover (1) vertically, the output shaft of reducing motor (5) and the centre hole of connecting panel (2) are equipped with, automatically controlled valve electric control part of holding one's breath divide in model be that the OUTPUT1 pin of the driving chip of L298 is connected with the both positive and negative polarity electric wire of OUTPUT2 pin and reducing motor (5).
4. according to oil-saving car whole-control system according to claim 3, it is characterized in that, described spool (3) is a cylinder type hollow framing member, spool (3) top end face is processed with a blind hole of mounting limit rod, the radius of turn of the arc-shaped slot on the Distance geometry upper cover (1) of blind hole center of gyration line-spacing spool (3) center of gyration line is equal, spool (3) top end face center arranges the strip slot of the rectangle installing connecting panel (2), the degree of depth of the strip slot of rectangle is more than or equal to the thickness of connecting panel (2), spool (3) middle part arranges a valve core through hole radially, a side through hole is being disposed radially perpendicular to valve core through hole rotation axis, the diameter of side through hole is less than the diameter of valve core through hole, the diameter of valve core through hole equals the diameter of the valve hole of valve body (4).
5. according to oil-saving car whole-control system according to claim 3, it is characterized in that, described valve body (4) is by circular tube shaped air inlet pipe interface, main valve body and flange plate type interface form, the main valve body of valve body (4) is a cuboid framing member, the middle part of main valve body is provided with valve hole from left to right, the side that the side of main valve body is namely parallel with valve core through hole rotation axis is provided with the valve body side opening that rotation axis and valve core through hole rotation axis intersect vertically, one is processed downwards for coordinating spool round tube hole with the face of cylinder of spool (3) upper end from the center of the upper surface of main valve body, the bottom of the valve hole of main valve body arranges a spool round pool for coordinating with the face of cylinder of spool (3) lower end, the rotation axis conllinear of valve element circle through hole rotation axis and spool round pool, on the diameter of valve element circle through hole and spool round pool and spool (3), the equal diameters of lower end, corner place on the top end face of main valve body is provided with tapped bore, the left end of the valve hole of main valve body is connected with circular tube shaped air inlet pipe interface, the right-hand member of the valve hole of main valve body is connected with flange plate type interface, circular tube shaped air inlet pipe interface, the equal diameters of valve hole and flange plate type interface, the rotation axis conllinear of three.
6. according to the oil-saving car whole-control system described in claim 1 or 2, it is characterized in that, described carburettor plunger height controller (11) comprises steering wheel (20), reel (21), steering wheel bracing wire (22) and the automatically controlled part of carburettor plunger height controller;
Steering wheel (20) is by support and the bolted top in carburettor (9), the output shaft that reel (21) is arranged on steering wheel (20) is spline pair connects, the upper end of steering wheel bracing wire (22) and the fixing rear winding of reel (21), the lower end of steering wheel bracing wire (22) is connected with the plunger top in carburettor (9);
The darlington that No. 2 Hall elements that No. 1 Hall element that carburettor plunger height controller electric control part is divided and comprised Freescale single-chip microcomputer that model is XS128, model is NJK-5002CNPN, model are NJK-5002CNPN, model are ULN2003, No. 2 single pole double throw switch, model are voltage stabilizing chip, actuating motor relay and the ignition coil relay of 7806;
Model is that the T7 interface electric wire that signal wire (SW) and the model of No. 1 Hall element of NJK-5002CNPN is the Freescale single-chip microcomputer of XS128 is connected, model is that the T0 interface electric wire that signal wire (SW) and the model of No. 2 Hall elements of NJK-5002CNPN is the Freescale single-chip microcomputer of XS128 is connected, the intermediary interface of No. 2 single pole double throw switch connects power cathode, the upper end interface of No. 2 single pole double throw switch connects the PA0 interface of Freescale single-chip microcomputer, the lower end interface of No. 2 single pole double throw switch connects the PA1 interface of Freescale single-chip microcomputer, model is the input termination 12V positive source of the voltage stabilizing chip of 7806, model is the GND termination 12V power cathode of the voltage stabilizing chip of 7806, two power leads of steering wheel (20) respectively direct type number are mouth and the GND end of the voltage stabilizing chip of 7806, the signal wire (SW) direct type number of steering wheel (20) is the PWM1 interface of the Freescale single-chip microcomputer of XS128, model is that the IN1 interface that PA3 interface and the PA4 interface of the Freescale single-chip microcomputer of XS128 is the darlington of ULN2003 successively with model is connected with IN2 interface electric wire, model is that the OUT1 interface of the darlington of ULN2003 is connected with actuating motor relay electric wire, model is that the OUT2 interface of the darlington of ULN2003 is connected with ignition coil relay electric wire.
7. according to oil-saving car whole-control system according to claim 1, it is characterized in that, the circular tube shaped air inlet pipe interface of described automatically controlled valve of holding one's breath (10) is connected with the air extractor duct of carburettor (9) by inlet channel (8), and the flange plate type interface of automatically controlled valve of holding one's breath (10) is connected with driving engine (6) admission port; Carburettor plunger height controller (11) adopts support and bolt to be installed on carburettor (9), and the lower end of the steering wheel bracing wire (22) in carburettor plunger height controller (11) is connected with the plunger top in carburettor (9); Clutch control device (15) is arranged on the vehicle frame on denture clutch (13) right side.
8. control a control method for oil-saving car whole-control system as claimed in claim 6, it is characterized in that, the step of the control method of described oil-saving car whole-control system is as follows:
1. starting process
Produce low level binding signal by No. 1 single pole double throw switch and be sent to the micro controller system that model is AT89C51; Model is the wheel rotation speed signals that the micro controller system of AT89C51 transmits from T0 interface No. 1 Hall element simultaneously, from belt wheel (12) tach signal that T1 interface No. 3 Hall elements transmit; Now vehicle wheel rotational speed is equal and be zero with band wheel speed, model is that the micro controller system of AT89C51 judges that vehicle wheel rotational speed is equal with band wheel speed, and collect binding signal, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod (18) to extend, realize the combination of denture clutch (13);
Produce low level cranking signal by No. 2 single pole double throw switch and send the Freescale single-chip microcomputer that model is XS128 to, model is after this signal of Freescale single-chip microcomputer identification of XS128, and control actuating motor relay and ignition coil relay close;
2. accelerator
The tach signal of the driving engine (6) gathered by No. 2 Hall elements sends to model to be the Freescale single-chip microcomputer of XS128 in real time, after detecting that driving engine (6) completes idling, rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height that steering wheel (20) controls carburettor plunger automatically;
3. taxiing procedures
No. 2 single pole double throw switch produce low level misfire signals and send the Freescale single-chip microcomputer that model is XS128 to, and model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay disconnection; This misfire signals also passes to the micro controller system that model is AT89C51, and model is that the automatically controlled valve of holding one's breath (10) of the Single-chip Controlling of AT89C51 closes inlet channel, to prevent engine inertia air inlet; Simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, then controls conducting inlet channel, prepares for starting next time;
No. 1 single pole double throw switch produces low level separation signal simultaneously, this signal is the micro controller system that the P1.7 pin of the micro controller system of AT89C51 is sent to that model is AT89C51 by model, model is that the micro controller system of AT89C51 is to after this signal transacting, be that to export two control signals to model be the driving chip of L298 for the P1.4 pin of the micro controller system of AT89C51 and P1.5 pin from model, model is that the driving chip of L298 exports 12V voltage from OUTPUT3 pin and OUTPUT4 pin, control electric push rod (18) to shrink, realize the separation of denture clutch (13);
4. accelerator again
No. 2 single pole double throw switch produce low level cranking signal and send the Freescale single-chip microcomputer that model is XS128 to, the Freescale single-chip microcomputer of XS128 controls actuating motor relay and ignition coil relay closes again, after detecting that driving engine (6) completes idling, rotating speed is greater than 800r/min, then control to disconnect actuating motor relay, begin through and control the height that steering wheel (20) controls carburettor plunger automatically;
No. 2 single pole double throw switch produce low level cranking signal and send the micro controller system that model is AT89C51 simultaneously to, model be AT89C51 microprocessor detect to vehicle wheel rotational speed and band wheel speed equal time, control denture clutch (13) to recombine, the transmission of power of driving engine (6) is realized the acceleration of vehicle to wheel (14);
5. flame-out process
The low level misfire signals produced by No. 2 single pole double throw switch sends Freescale single-chip microcomputer that model is XS128 respectively to and model is the micro controller system of AT89C51, model is that the Freescale single-chip microcomputer of XS128 controls ignition coil relay and actuating motor relay disconnects, and makes carburettor plunger height fall back to minimum by controlling steering wheel (20); Model is that the Single-chip Controlling denture clutch (13) of AT89C51 disconnects and valve closing inlet channel of holding one's breath, to prevent engine inertia air inlet, simultaneously model is that the micro controller system of AT89C51 uses T0 time meter to start timing, after record 5-10 second, control inlet channel (8) conducting again, prepare for starting next time.
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| CN201310193489.4A CN103303312B (en) | 2013-05-23 | 2013-05-23 | Oil-saving car whole-control system and control method thereof |
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| CN104564366B (en) * | 2015-01-21 | 2018-06-22 | 常州机电职业技术学院 | Blanket of holding one's breath on carburetor engine |
| CN110056626B (en) * | 2019-05-05 | 2020-12-04 | 陆海燕 | Hybrid gearbox for a motor vehicle |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201587329U (en) * | 2009-11-27 | 2010-09-22 | 北汽福田汽车股份有限公司 | Subsidiary on-off operation device |
| CN203294093U (en) * | 2013-05-23 | 2013-11-20 | 吉林大学 | Vehicle control system of fuel-economizing vehicle |
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| JP2005003131A (en) * | 2003-06-12 | 2005-01-06 | Usui Kokusai Sangyo Kaisha Ltd | Control method for magnet type fan clutch |
| US7395803B2 (en) * | 2006-11-03 | 2008-07-08 | Ford Global Technologies, Llc | Electric oil pump system and controls for hybrid electric vehicles |
| JP4325704B2 (en) * | 2007-06-06 | 2009-09-02 | トヨタ自動車株式会社 | Exhaust gas purification system for internal combustion engine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201587329U (en) * | 2009-11-27 | 2010-09-22 | 北汽福田汽车股份有限公司 | Subsidiary on-off operation device |
| CN203294093U (en) * | 2013-05-23 | 2013-11-20 | 吉林大学 | Vehicle control system of fuel-economizing vehicle |
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