CN103009988A - Vehicle multi-engine driving system - Google Patents
Vehicle multi-engine driving system Download PDFInfo
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- CN103009988A CN103009988A CN2011102850933A CN201110285093A CN103009988A CN 103009988 A CN103009988 A CN 103009988A CN 2011102850933 A CN2011102850933 A CN 2011102850933A CN 201110285093 A CN201110285093 A CN 201110285093A CN 103009988 A CN103009988 A CN 103009988A
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Abstract
The invention discloses a vehicle multi-engine driving system, which comprises a first shaft and a second shaft with a connecting wheel, a storage battery, a first motor set, a first internal combustion engine, a second internal combustion engine, a speed changer, a first clutch and a second clutch, wherein the first internal combustion engine is connected with the motor set and a first engine; the speed changer is connected with the first internal combustion engine; the first clutch is used for selectively connecting or disconnecting the speed changer from an axle; the second clutch is used for selectively connecting or disconnecting the second internal combustion engine from the speed changer; the storage battery is used for providing current through a transformer; and the transformer is connected with a control device in a vehicle. By using the vehicle multi-engine driving system, the motor set is associated with the driving system all the time by associating the motor set with the first shaft and associating the engine with the second shaft. The vehicle multi-engine driving system is suitable for connecting the motor set with a gear device through association of the motor set, the engine and the public shaft.
Description
Technical field
The present invention relates to a kind of for motor vehicle systems technology, relate in particular to a kind of for motor vehicle multiple-motor drive system technology.
Background technology
In order to reduce the oil consumption of automobile, we attempt to save the part automobile and discharge at the kinetic energy of braking or sliding in the process.For reaching this purpose, for example, when sliding or brake, automobile can pass through a convertible power-transfer clutch, uses simultaneously a heavy flywheel that links to each other with wheel.Consequently, along with the acceleration of flywheel, the automobile kinetic energy in the motion is stored in order to be follow-up engine starting and/or acceleration use.The shortcoming of this system is that explosive motor must be provided as the extra huge heavy weight flywheel of operation and required energy.
Simultaneously, in conjunction with flywheel, in the process that operational vehicle slides and/or brakes, we attempt group of motors next by switch clutch with and the running vehicle wheel coupling.So that automobile slide or braking procedure in the kinetic energy that discharges by group of motors being switched to power generation mode and is converted into electric energy and being stored in the storage battery.Start when group of motors switches to motor mode/when accelerating, battery provides electric current, and electric flux is converted into kinetic energy again like this.If want to store the electric energy of capacity, just need large scale, the battery that quality is heavy.Therefore, in this system, even explosive motor still has very large extra duty under normal operation.
In above-mentioned two systems, explosive motor must manufacture the energy demand that can satisfy the whole load range of vehicle, and memory system is only served as the execution additional function.Because explosive motor must be according to the load design of maximum, but only under rare occasion, just move with the maximum load condition, be that driving engine is not to move with optimum speed with in load range in the most of the time in its service life, attainable fuel economy is well below optimum.
Summary of the invention
The object of the present invention is to provide a kind of saving improvement drive system by various kinetic energy, so that the consumption of fuel of vehicle reduces.
To achieve these goals, the technical scheme taked of the present invention is:
A kind of vehicle multiple-motor drive system, include the first axle and second axle of fifth wheel, and a storage battery, wherein, include a group of motors, one first I. C. engine and one second I. C. engine, described the first I. C. engine connects described group of motors and one first engine; One change-speed box, described change-speed box is connected with described the first I. C. engine, one first clutch connects or disconnects described change-speed box from axletree selectively, and a second clutch connects or disconnects described the second I. C. engine from described change-speed box selectively; Described storage battery provides electric current by a voltage transformer, and described voltage transformer is connected with control setup in the vehicle.
Above-mentioned vehicle multiple-motor drive system, wherein, the tachogenerator of automobile is connected with described group of motors, and the Vehicle Driving Cycle signal is passed to described control setup.
Above-mentioned vehicle multiple-motor drive system, wherein, described group of motors can with arbitrary axle, and described first clutch connects, power-transfer clutch can be connected or not connect with the change-speed box that another axle links to each other.
Above-mentioned vehicle multiple-motor drive system, wherein, described group of motors can with arbitrary axle, and described first clutch connects, power-transfer clutch can be connected or not connect with the change-speed box that arbitrary axle links to each other.
Above-mentioned vehicle multiple-motor drive system wherein, also includes a three-clutch, and described three-clutch connects described the first engine of disconnection from described change-speed box selectively.
Above-mentioned vehicle multiple-motor drive system, wherein, described the first axle by wheel word be connected first clutch and be connected with described change-speed box, described wheel word is for the wheel word that successively decreases step by step or automatic speed changing formula or by the switchable driving device of described control setup control, perhaps simple tor-con.
Above-mentioned vehicle multiple-motor drive system, wherein, described the second axle by wheel word be connected second clutch and be connected with described change-speed box, described wheel word is for the wheel word that successively decreases step by step or automatic speed changing formula or by the switchable driving device of described control setup control, perhaps simple tor-con.
Above-mentioned vehicle multiple-motor drive system, wherein, the rating horsepower of described group of motors is lower than described the first engine.
The present invention is owing to having adopted above-mentioned technology, and the good effect that makes it compared with prior art to have is:
(1) group of motors is associated with the first axle, and engine is associated with the second axle, and is related with drive system all the time to guarantee group of motors, and whether two engines can be connected to drive system according to the motor-driven decision that requires of moment of torsion.
(2) group of motors and engine and public axle are associated, to be suitable for connecting group of motors and wheel word.So that convertible power-transfer clutch is installed between driving and the change gear, master clutch then places between transmission gear and the axle drive shaft by this design.
Description of drawings
Fig. 1 is the schematic diagram of automobile driving system preferred version;
Fig. 2 is identical with Fig. 1 visual angle, has shown correlated variables;
Fig. 3 is the schematic diagram of improved single-drive system preferred version;
Fig. 4 is identical with Fig. 3 visual angle, has shown correlated variables.
The specific embodiment
Provide the specific embodiment that vehicle of the present invention is used the multiple-motor drive system below in conjunction with accompanying drawing.
Based on current observed data, one 1500 kilograms self-propelled vehicle has following power demand: keep 60 miles per hours at the uniform velocity to travel at level road and need consumed power: 8kW; Keep 60 miles per hours at the uniform velocity to travel in the ramp of 6% degree of dip and need consumed power 35 kW; Accelerate to 60 miles per hours by speed per hour 0 at level road in 12 seconds and need consumed power 75 kW.
For the whole operating cycle, if drive system has the energy of 20kW, so for city driving, only have a bit of time to need the extra energy.Consider in the accelerator friction, the maximum loss of incuring loss through delay, estimate to be less than 8kW because vehicle measuring period moving velocity be less than 60 miles, need so the power of maximum 27kW.
In view of above-mentioned, for drive system a group of motors is installed, the energy that has 10kW under engine mode is feasible.Further, need first I. C. engine, for example, the twin-tub pancake engine with 800cm3 discharge capacity and 27kW power.By connecting group of motors and first engine, can fully satisfy the torque demand that travels in high speed and city.In addition, need second I. C. engine that 1600cm3 discharge capacity and 63kW power are arranged, for example, conventional Four-in-line formula driving engine.Part interconnection by first, second engine and/or group of motors under the sliding state can be the energy that oepration at full load is provided under the normal motoring condition or accelerates with all strength.
Fig. 1 is the schematic diagram of automobile driving system preferred version, sees also shown in Figure 1.It all is axle drive shaft that automobile includes the first axle 1 of chain cock wheel and the second axle 2, the first axles 1 and the second axle 2.2 direct and group of motors 3 couplings of the second axle, storage battery provides electric current by a voltage transformer for group of motors 3.Voltage transformer 4 is connected with control setup (ECU (Electrical Control Unit) or ECU) 6 in the vehicle, and this device can transmit the torque signal that chaufeur accelerator pedal 7 produces.
The first axle 1 links to each other with change speed gear box with first clutch 9 by wheel word 8.The first I. C. engine 11 directly is connected with change-speed box 10, and the second I. C. engine 12 is connected with the annex that is left by second clutch 12.1.
Group of motors 3 can with arbitrary axle, and first clutch 9 connects, power-transfer clutch 9 can be connected or not connect with the change-speed box that another axle links to each other.
Group of motors 3 can with arbitrary axle, and first clutch 9 connects, power-transfer clutch 9 can be connected or not connect with the change-speed box that arbitrary axle links to each other.
The generating 13 of testing the speed of automobile is connected with group of motors 3, for the Vehicle Speed signal to control setup 6.
Be connected conventional starter gear 14 with the first engine 11, start by switch 15.
According to the available energy of each system, group of motors 3, the first engines 11 and second engine 12 may provide respectively different-energy, for example are respectively 10,27,63 kilowatts.
Therefore, the first engine 11 only has less discharge capacity, for example, two cylinder engines, two cylinder flat opposed engines preferably, and the second engine 12 may be the larger quadruple cylinder engine of discharge capacity.
Start one and be equipped with the automobile of above-mentioned drive system and the acceleration capacity consider the unloading phase, at first, when starter 14 ignition engines 11, power-transfer clutch 9 and 12.1 is all separated.After this, started by the first engine 11 in conjunction with second clutch 12.1 and the second engine 12, simultaneously by regulating the synchronized operation that keeps two engines with control convenience.Power-transfer clutch 9 combinations, vehicle operating.For example, wheel word 8, automatic transmission with hydraulic torque converter or turbine transformer guarantee non-impacting start.Required load meeting is passed to control setup 6 by the pressure on the Das Gaspedal 7 with aspect.
By the control of control setup 6, axle 2 is starter motor group 3 at first, therefore, and by regulating control 4, the first electric fluxs being set by the generation electric energy of the requirement of battery 5.
If reached the required speed of Vehicle Driving Cycle on level road, control setup 6 is cut-off clutch 12.1, so that the second engine 12 idling or close.Because in order to satisfy the torque of required load requirement, vehicle need to switch to generator mode from motoring mode by the first engine 11 independent propulsive efforts that drive or add from motor generator system 3.Engine 11 is designed to obtain required propulsive effort under optimum speed and consumption minimization state.Control setup 6 is designed to, and engine 11 provides the moment of torsion that meets basic demand and the additional torque requirement of load fluctuation, has especially improved the load that increases in the particular range that produces under motoring mode.Consequently, engine 11 is to move than the pulsation-free mode.
In case load increases, for example when acceleration/accel and up-hill journey, control setup 6 can cut-off clutch 12.1.Regulating step can be before using power-transfer clutch 12.1, and raising reaches the possibility that wheel word 8 presets revolution with the second engine 12, travels to guarantee that nothing is jolted.
By in conjunction with power-transfer clutch 12.1 and turbine transformer, engine may cut out during underload travels, and perhaps starts (using power-transfer clutch in the process of sliding) by driving device 10 when needed.
Fig. 2 has shown correlated variables, sees also shown in Figure 2.The difference of Fig. 2 and Fig. 1 is, uses the electrical generator 16 of extra use transmission 10 axis of traction 11 to battery 5 chargings.Therefore, cut-off clutch 9 when fire an engine 11 is supplied to automotive system commonly used with regard to enough electric currents are arranged as early as possible.Fig. 2 drive system is corresponding in other respects with Fig. 1, for clarity sake, does not have the autonomous system assembly of display engine control unit and connection thereof.On the other hand, assembly 16 can be that group of motors provides moment of torsion for axle 1.
Fig. 3 is the schematic diagram of improved single-drive system preferred version, please continue referring to shown in Figure 3.Only has axle 1 as axle drive shaft, 2 free time of axle.Structure shown in Fig. 3 fundamentally is corresponding with the preferred version of Fig. 1.The moment that control is considered requires structure and the function corresponding with Fig. 2 to be associated, and illustration and further instruction are not given unnecessary details at this.
The difference of Fig. 3 and Fig. 1 only is group of motors 3 and variable gear 10 couplings, and therefore except the function as drive motor, it also can be used as the starter of driving engine 11.In case start engines 11 by power-transfer clutch 9, just as group of motors 3 the description among Fig. 1, torque demand will satisfy the requirement of different loads.
Fig. 4 has shown correlated variables, and the difference of Fig. 4 and Fig. 3 is, extra power-transfer clutch of assembling between change-speed box 10 and engine 11.Therefore, engine 11 also can separate with change-speed box 10 by power-transfer clutch 11.1 except separating with engine 12 by power-transfer clutch 12.1.Therefore, if necessary, can be from group of motors 3 and/or engine 11 and/or engine 12 or appropriate combination acquisition moment of torsion.Motor/generator 3 can select engine mode operation or generator mode in order to during guaranteeing Vehicle Driving Cycle be battery 5 chargings according to riving condition and the load of correspondence.When power-transfer clutch 11.1 separates with 12.1, the operation of being cruised at level road by group of motors 3 support units fully equally also is feasible.
In above-mentioned drive system, the invention provides vehicle slide with braking procedure in the possibility that realizes of storage area kinetic energy, only have voltage transformer 4 to determine the charging demand of batteries 5, and group of motors 3 switch to the charging that generator mode is 5 batteries from engine mode.This possibility that kinetic energy is stored as electric energy all is suitable under all riving conditions because in the riving condition of all descriptions, group of motors 3 can slide with braking procedure in switch to generator mode.
From the above-mentioned explanation of drive system, find out and to use at any time two above combustion engines.In addition, the situation axle 2 of combination directly is connected with group of motors separately, and perhaps axle 1 shown in Figure 4 directly is connected separately feasible equally with group of motors.Energy decreases between each actuator, i.e. group of motors, first, second or more combustion engines can be according to the mutual co-ordinations of the energy demand of vehicle type.Using the driving engine of two the same longitudinal arrangements also is feasible with the output requirement that reply increases.
In sum, use vehicle of the present invention multiple-motor drive system, be associated with the first axle by group of motors, engine is associated with the second axle, and is related with drive system all the time to guarantee group of motors.Be associated by group of motors and engine and public axle, to be suitable for connecting group of motors and wheel word.
The above is preferred embodiment of the present invention, not in order to limiting the present invention, all any modifications of doing within the spirit and principles in the present invention, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. vehicle multiple-motor drive system, include the first axle and second axle of fifth wheel, an and storage battery, it is characterized in that, include a group of motors, one first I. C. engine and one second I. C. engine, described the first I. C. engine connects described group of motors and one first engine; One change-speed box, described change-speed box is connected with described the first I. C. engine, one first clutch connects or disconnects described change-speed box from axletree selectively, and a second clutch connects or disconnects described the second I. C. engine from described change-speed box selectively; Described storage battery provides electric current by a voltage transformer, and described voltage transformer is connected with control setup in the vehicle.
2. described vehicle multiple-motor drive system according to claim 1 is characterized in that, the tachogenerator of automobile is connected with described group of motors, and the Vehicle Driving Cycle signal is passed to described control setup.
3. described vehicle multiple-motor drive system according to claim 1 is characterized in that, described group of motors can with arbitrary axle, and described first clutch connects, power-transfer clutch can be connected or not connect with the change-speed box that another axle links to each other.
4. described vehicle multiple-motor drive system according to claim 1 is characterized in that, described group of motors can with arbitrary axle, and described first clutch connects, power-transfer clutch can be connected or not connect with the change-speed box that arbitrary axle links to each other.
5. described vehicle multiple-motor drive system according to claim 1 is characterized in that, also includes a three-clutch, and described three-clutch connects from described change-speed box selectively and disconnects described the first engine.
6. described vehicle multiple-motor drive system according to claim 1, it is characterized in that, described the first axle by wheel word be connected first clutch and be connected with described change-speed box, described wheel word is for the wheel word that successively decreases step by step or automatic speed changing formula or by the switchable driving device of described control setup control, perhaps simple tor-con.
7. described vehicle multiple-motor drive system according to claim 1, it is characterized in that, described the second axle by wheel word be connected second clutch and be connected with described change-speed box, described wheel word is for the wheel word that successively decreases step by step or automatic speed changing formula or by the switchable driving device of described control setup control, perhaps simple tor-con.
8. described vehicle multiple-motor drive system according to claim 1 is characterized in that, the rating horsepower of described group of motors is lower than described the first engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102850933A CN103009988A (en) | 2011-09-23 | 2011-09-23 | Vehicle multi-engine driving system |
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| CN2011102850933A CN103009988A (en) | 2011-09-23 | 2011-09-23 | Vehicle multi-engine driving system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114186A (en) * | 2016-07-27 | 2016-11-16 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing alternating current-direct current electricity generation system |
| CN106218392A (en) * | 2016-07-27 | 2016-12-14 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing alternating current power-generating system |
| CN106218391A (en) * | 2016-07-27 | 2016-12-14 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing DC power generation system |
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|---|---|---|---|---|
| US6306056B1 (en) * | 1999-12-17 | 2001-10-23 | Daimlerchrysler Corporation | Dual engine hybrid electric vehicle |
| US20030037978A1 (en) * | 2001-08-27 | 2003-02-27 | Peter Hofbauer | Multi-engine drive system for a vehicle |
| CN101148145A (en) * | 2007-11-13 | 2008-03-26 | 上海汽车集团股份有限公司 | Automobile power system with double-engine and its control method |
| CN101445041A (en) * | 2008-10-11 | 2009-06-03 | 比亚迪股份有限公司 | Hybrid power-driven system and vehicle using same |
-
2011
- 2011-09-23 CN CN2011102850933A patent/CN103009988A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6306056B1 (en) * | 1999-12-17 | 2001-10-23 | Daimlerchrysler Corporation | Dual engine hybrid electric vehicle |
| US20030037978A1 (en) * | 2001-08-27 | 2003-02-27 | Peter Hofbauer | Multi-engine drive system for a vehicle |
| CN101148145A (en) * | 2007-11-13 | 2008-03-26 | 上海汽车集团股份有限公司 | Automobile power system with double-engine and its control method |
| CN101445041A (en) * | 2008-10-11 | 2009-06-03 | 比亚迪股份有限公司 | Hybrid power-driven system and vehicle using same |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114186A (en) * | 2016-07-27 | 2016-11-16 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing alternating current-direct current electricity generation system |
| CN106218392A (en) * | 2016-07-27 | 2016-12-14 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing alternating current power-generating system |
| CN106218391A (en) * | 2016-07-27 | 2016-12-14 | 东风汽车公司 | There is the vehicle multi power source drive system of multiplexing DC power generation system |
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Application publication date: 20130403 |