CN104203695B - Method for starting the motor vehicle driven by mixed power for including motor and internal combustion engine - Google Patents

Abstract

Method for starting motor vehicle driven by mixed power, the motor vehicle driven by mixed power include：Motor (3), internal combustion engine (4) and optionally will at least motor (3) be attached to vehicle driving wheel (2) clutch system (7), this method includes multiple steps (20,21,22), wherein：(i) (20) motor (3) is started, (ii) around at least certain value, adjust the speed of (21) motor, (iii) clutch system (7) is used to the driving wheel (2) of vehicle and motor (3) coupling (22), so that motor (3) promotes the vehicle.

Description

Method for starting the motor vehicle driven by mixed power for including motor and internal combustion engine

Technical field

The present invention relates to motor vehicle driven by mixed power is started, the motor vehicle driven by mixed power includes motor and internal combustion engine, particularly vapour Oil or diesel engine.

Background technology

According to the present invention, when moment of torsion can mobile vehicle when, motor vehicle driven by mixed power starts, and this is also with term vehicle " starting " is known to those skilled in the art.

Four-stage be present before the vehicle start of internal combustion engine is only equipped with：The stage of engine starting；Slow-speed of revolution rank Section, during this period, around the speed of fixed Set-value adjustment internal combustion engine, the definite value can be true in advance by engine control system It is fixed；Idle stage, during this period, the clutch system by the conduction chain of vehicle couple internal combustion engine and gearbox；And one Stage, during this period, internal combustion engine driving driving wheel, it is allowed to vehicle start.These stages, and particularly the slow-speed of revolution stage is (herein Period, internal combustion engine are in the state of the best-of-breed functionality point away from hydrocarbon fuel consumption) spent much on hydrocarbon fuel.

For the existing motor vehicle driven by mixed power of the motor with power limited, when vehicle has travelled, except passing through Beyond the moment of torsion that internal combustion engine provides, additional torque is provided using motor.

For the existing motor vehicle driven by mixed power with more powerful motor, motor-car can be played by single electric motor , the motor is directly connected in driving wheel, and different from the situation via clutch system and gearbox.However, such electricity Motivation is expensive.

For the worry to economy and environment, a kind of demand be present, when vehicle launch or starting in order to subtract as much as possible Lack the use of internal combustion engine and the motor of mid power can be used.

The content of the invention

The present invention has in response to this demand and realized the purpose of this demand, according to its one side, by mixed The starting method of power car is closed, the motor vehicle driven by mixed power includes：

- motor,

- internal combustion engine, and

- clutch system, optionally the driving wheel of at least motor and vehicle is coupled,

This method includes multiple stages, wherein：

- (i) starts motor,

- (ii) surrounds at least certain value, adjusts the speed of motor, and

- (iii) couples motor with the driving wheel of vehicle, so that motor drives vehicle by clutch system.

According to above method, start-up period or the starting stage of vehicle are performed using motor, and this is in conventional truck It is to be performed by internal combustion engine.

The clutch system directly can couple motor with driving wheel.In remodeling, clutch system can be by motor Couple with the gearbox for being connected driving wheel.

The above stage can be effectively performed only by motor or simultaneously using motor and internal combustion engine.In vehicle start When, it can eliminate or reduce the injection of hydrocarbon fuel in vehicle internal combustion engine.

In this case or in the case of using single electric motor, when it is started, the limited speed of vehicle is in electricity The size of motivation.Internal combustion engine is applied in combination and motor can allow for the priming speed of vehicle to increase or alleviate as motor confession The underload degree of the apparatus for storing electrical energy of electricity.

Moreover, regulation stage (ii) without or it is less use internal combustion engine, can be by the continuous torsion that is provided by motor Square improves the comfortableness of user.

Motor can provide number kW power, such as the 8kW orders of magnitude.

It can be filled onboard also, when implementing this method for the apparatus for storing electrical energy of motor, the load of motor Lotus matches with the load level of the apparatus for storing electrical energy.For example, when starting (starting) by single electric motor, if it turn out that electric Energy storage device cannot be guaranteed to be substantially discharged for the starting of the vehicle only by motor, can be in an above-mentioned stage Start internal combustion engine.

The start-up period (i) of motor, such as in the case of " stop and start " type system, can be made according to vehicle The instruction that user provides produces, and especially by middle contact key or passes through clutch pedal.In other examples, Support in step and/or brake pedal is played can allow for the starting in stage (i).In another remodeling, stage (i) basis The relative position of brake pedal, clutch pedal and a step compared with other brake pedal, clutch pedal and a step Start.

At regulation stage (ii), the speed of motor can be controlled so that it is no better than definite value.The stage is also referred to as " slow-speed of revolution stage ", and can be by via management computer or via vehicle engine control apparatus (ECU) execution Servo-drive system is realized.In remodeling, the servo-drive system can realize that the latter receives from use by the Electronic Control of motor Person, particularly via a pedal or the vehicle fitting of other application speed definite value.

It is somebody's turn to do or these speed definite values can predefines, such as passes through the vehicle-mounted software or response vehicle driver of vehicle Action determine in real time.

At stage (ii), vehicle drives not over motor.It is not limited in purpose and mode：

Clutch system couples described engine and the gearbox being inserted between the clutch system and driving wheel, herein Any fast ratio is not engaged, or

Gearbox speed ratio is engaged, and is disconnected on clutch system position, or

Any gearbox is not inserted between clutch system and driving wheel, and is disconnected on clutch system position.

Stage (ii) should or these be applied to motor speed definite values can allow for passing through vehicle at stage (iii) Motor driving.

In the embodiment for implementing the method according to the invention, the stage (ii) is around single Set-value adjustment motor Velocity amplitude.

It is particularly true around at least two at stage (ii) in implementing according to a further embodiment of the method according to the invention Two cut, continuous definite value continuously adjust the velocity amplitude of motor, therefore the regulation can perform step by step.

When vehicle includes gearbox, can be first about being not engaged the first of any gearbox speed ratio corresponding to hypothesis The speed of Set-value adjustment motor, such case are also referred to as " halt ".First definite value can be selected, to reduce electric energy Consumption.

Then, the speed for corresponding to the second Set-value adjustment motor for assuming engagement gearbox speed ratio can be surrounded.

Especially, second definite value is higher than first definite value.First definite value, merger are the bent axle of internal combustion engine, are for example Within the scope of 400-500 revs/min, and the second definite value, merger are the bent axle of internal combustion engine, are such as 600-700 revs/min Clock.

In general mode, speed regulation stage (ii) of motor are realized by one or more definite values, are somebody's turn to do or these are fixed Value, merger are the bent axle of internal combustion engine, can be within the scope of 400-700 revs/min.

These definite values can be the speed that is used to adjusting internal combustion engine in the stage (ii) in the range of the definite value that uses, and this can Explained, and used with the behavior for ensuring the clean-burning rotating speed of hydrocarbon fuel that should have in the stage (ii) by internal combustion engine There is no such limitation during motor.This or these contribution of basic definite value for being used for the speed regulation of motor It is that the electric energy consumed by engine reduces, and when this method is implemented only by motor, this can extend using period Limit.The function of motor can equally reduce the suction noise in the inlet line of internal combustion engine.

In remodeling, using this or these definite value so as to adjust the speed of motor in the stage (ii), can with classics It is this using similar in the case of being performed in situation or in the stage (i) to (iii) only by internal combustion engine.

In stage (iii), the also referred to as mechanical parameter of idle stage, at least motor, particularly its moment of torsion and/or speed Degree, can be controlled in real time according to by the application definite value of vehicle driver.The regulation can be for example by activating in engine control The torque structure used in device processed is realized.

In remodeling, at idle stage (iii), this or described mechanical parameter are controlled so as to using predetermined speed Definite value, such as pass through control device of electric motor.

When vehicle start, according to predetermined definite value or as described above real-time by vehicle driver Using definite value, it is possible to implement the moment of torsion provided by motor and/or the regulation of the speed of motor.

The motor regulation implemented in the range of method can change.The regulation of the electromotor velocity can be so according to scheme Ask or do not seek different only by motor starting vehicle.The moment of torsion regulation provided by motor can be by according to desired Or be not intended to these speed or the moment of torsion from vehicle driver definite value or it is predetermined other aspect and change, such as Pass through engine control system.

Above method can be implemented in the different conduction chain structures of motor vehicle driven by mixed power.In these structures, it is electronic Machine can be assemblied in before car engine block.

Gearbox be may be inserted into or be not inserted between motor and driving wheel.

In the embodiment of conduction chain structure, motor connects the bent axle of internal combustion engine, and clutch system is inserted in vehicle Between internal combustion engine and gearbox.In this embodiment, clutch system by this set formed by internal combustion engine and motor and becomes Fast case connection, the latter are connected to the driving wheel of vehicle.

Motor can be fixedly connected with bent axle, such as the belt by centre or the every other means that can be transmitted. In remodeling, motor can connect bent axle by system of connections, such as by claw connector type system of connections, can open Or close.

In the embodiment of the structure, motor is permanent or does not couple the bent axle of internal combustion engine forever.

In the other embodiment of conduction chain structure, internal combustion engine and motor concurrent assembly are on conduction chain.Above The clutch system referred to is the first clutch system of such as setting, optionally to join motor and internal combustion engine with gearbox Connect, and the vehicle includes being arranged on the second clutch system between the first clutch system and internal combustion engine.Second clutch system The intersection downstream being arranged between the conduction chain branch including motor and the conduction chain branch including internal combustion engine.

In another structure of wherein internal combustion engine and motor concurrent assembly, above-mentioned clutch system is the set One clutch system, optionally to couple single electric motor with driving wheel, and vehicle includes the second clutch system of setting System, optionally to couple single internal combustion engine and gearbox.In the constructive embodiment, the first clutch system is integrated in bag The conduction chain branch of motor is included, the second clutch system is integrated in the conduction chain branch including internal combustion engine and gearbox.Root According to the embodiment, motor connection driving wheel and middle gearbox useless.

According on the other hand, it is another object of the present invention to the structure of any motor vehicle driven by mixed power above.

One of these structures include：

- motor,

- the internal combustion engine with motor concurrent assembly,

- gearbox,

- the first clutch system set, optionally to couple motor and internal combustion engine with gearbox, and is arranged on The second clutch system between first clutch system and internal combustion engine.

One other structures include：

- motor,

- the internal combustion engine with motor concurrent assembly,

- gearbox,

- set the first clutch system, so that selectivity couples single electric motor with driving wheel, and setting second from Syzygy is united, optionally to couple single internal combustion engine and gearbox.

Before alone or in combination, according to another further aspect, another object of the present invention is the pipe of motor vehicle driven by mixed power speed Reason method, the motor vehicle driven by mixed power include：

- motor,

- internal combustion engine, and

- the clutch system for optionally coupling the driving wheel of at least motor and vehicle,

Wherein this method：

- detection vehicle does not ask to accelerate, and

- motor is used only, keep car speed around at least fixed definite value.

When above method can be in the period of commonly referred to as " slow-speed of revolution phase ", it is allowed to manage the speed of vehicle.When wherein car It is mobile without using any acceleration definite value when, its can it is similar in the period of to " slow-speed of revolution driving " described above or In the slow-speed of revolution stage (ii) of the starting method of dissimilar motor vehicle driven by mixed power, good effect is played.As above manager Method implement and vehicle travel when, the clutch system can couple motor with driving wheel.

Management method above can so, in the slow-speed of revolution, when particularly the slow-speed of revolution drives, it is allowed to the consumption of internal combustion engine It is zero, and when recently using definite value is accelerated, do not interfere with the performance of vehicle here.So overcome lacking for prior art Point, it is, in the slow-speed of revolution, when particularly the slow-speed of revolution drives, a large amount of consumption of hydrocarbon fuel.

The feature of fast ratio is represented for the stage (ii) of above vehicle launch method, the management method more than In progressively apply electromotor velocity regulation.

The speed of motor can be adjusted by one or more definite values, when the bent axle by these value merger for internal combustion engine When, be same order numerical value, should or these definite value merger for internal combustion engine bent axle and in the slow-speed of revolution, it is particularly low Used during the speed that internal combustion engine is adjusted when rotating speed drives.Can as used herein and merger for the definite value of I. C. engine crankshaft be 700 Rev/min order of magnitude.

, can be by the speed of one or more Set-value adjustment motor, when these value merger are internal combustion engine in remodeling Bent axle when, be when merger is for internal combustion engine bent axle and in low speed, particularly driven at low speed when, adjust internal combustion engine Speed and within the scope of the definite value that uses, even more within small range.Merger is the bent axle of internal combustion engine and can be with this The definite value that sample uses is 400 or 500 revs/min of orders of magnitude.

Before detection vehicle does not accelerate, it can use or without using motor, using the IC engine-powered vehicles of vehicle, And once detection does not accelerate, internal combustion engine can be cut off.

Accelerate and/or carried for the apparatus for storing electrical energy of motor when vehicle request in the subsequent stage, can be detected The load level deficiency of confession.In the fact that each, internal combustion engine can be started or reset.

The management method can be implemented by means of vehicle launch method in the conduction chain structure that any one is referred to.

When above management method is implemented, the request of motor can be with particularly in real time, negative with apparatus for storing electrical energy Lotus level match.For example, when this method is initiated by motor, if it turn out that apparatus for storing electrical energy underload with only by Motor ensures the slow-speed of revolution of vehicle, can start internal combustion engine.

In the speed regulation situation stage by stage, when by the first Set-value adjustment speed, it can determine that electric energy stores up The load level of cryopreservation device is less than specified value.In this case, lead to by the regulation of the second definite value higher than the first definite value Road produces, and can then start internal combustion engine.

Independent or combination before, according to another aspect, another object of the present invention is the motor of motor vehicle driven by mixed power Cutting-off method, the motor vehicle driven by mixed power also includes internal combustion engine, wherein,

Compare the representative velocity amplitude of the motor sent by sensor and predetermined threshold value, and

When the value sent by sensor is in the threshold range, motor is cut off.

Above cutting-off method can protect the cluster engine of vehicle.When motor is provided compared with the speed definite value of application too During big rotating speed, the cut-out of motor avoid because speed is too low can not then drive vehicle operating behavior generation.

The threshold value merger is for the bent axle of internal combustion engine, and merger is the bent axle of internal combustion engine, such as 100 revs/min in definite value Clock is to 200 revs/min.By sensor provide motor velocity amplitude can be using merger as internal combustion engine bent axle, so as to Compared with threshold value.

The method of cut-out can be real by means of above vehicle launch method in the conduction chain structure that any one is referred to Apply.

Individually or with combination before, according to further aspect, a further object of the invention is, including internal combustion engine and motor Motor vehicle driven by mixed power control method, wherein：

Compare the representative velocity amplitude of the internal combustion engine sent by sensor and predetermined threshold value；

When the value sent by sensor is in described threshold range, control motor can increase so as to its offer The moment of torsion of engine speed.

When above control method can avoid passing through motor back work, internal combustion engine behavior slack suddenly.

In the speed and threshold value of relatively internal combustion engine, motor can be cut off, in this case, is sent out when by sensor When the value sent is in threshold range, motor is started.

In remodeling, when comparing the speed and threshold value of internal combustion engine, using motor, in this case, when by When the value that sensor is sent is in threshold range, increase the share of motor.

The threshold value merger is that merger is the bent axle of internal combustion engine, such as is determined in internal combustion engine use for the bent axle of internal combustion engine 100 revs/min to 200 revs/min in value.

The cutting-off method can be in the conduction chain structure that any one is referred to by means of the starting method of above vehicle Implement.

Motor can be controlled, the definite value of its application is no better than so as to the speed of internal combustion engine.

In these embodiments on all preceding, the structure can not have torque converter.

In these embodiments on all preceding, the structure can only include being used for the single internal combustion engine for driving vehicle.

In these embodiments on all preceding, the structure can only include being used for the single electric motor for driving vehicle.

The structure is for example without torque converter, and including for driving the single electric motor of vehicle and for driving The single internal combustion engine of vehicle.

Brief description of the drawings

, can according to not being that the description of ensuing embodiment of the invention and the understanding of accompanying drawing are implemented in limitation The present invention is more fully understood, wherein：

Fig. 1-3 represents the different conduction chain structures of wherein implementation the method according to the invention,

Fig. 4 represents that multiple stages are shown in the starting method according to the motor vehicle driven by mixed power for implementing embodiments of the invention Meaning mode,

Fig. 5 represents, when implementing method that Fig. 4 is represented, the speed of motor, the speed of vehicle and to provide by motor Moment of torsion statistical form,

Fig. 6 represents the chart of the multiple parameters at the stage of the remodeling of the starting method of Figure 4 and 5,

Fig. 7 represents the speed management method schematic diagram of motor vehicle driven by mixed power according to another aspect of the present invention,

Fig. 8 represents the motor cutting-off method schematic diagram of motor vehicle driven by mixed power in accordance with a further aspect of the present invention, and

Fig. 9 represents the method for motor control schematic diagram of motor vehicle driven by mixed power according to another aspect of the invention.

Embodiment

The different conduction chain structures of motor vehicle driven by mixed power in Fig. 1-3 have been described, can implement wherein more than Any one aspect of the invention referred to.

In Fig. 1-3 embodiment, the conduction chain 1 of motor vehicle driven by mixed power includes two driving wheels, 2, motor 3 With an internal combustion engine 4.However, the invention is not restricted to certain amount of driving wheel.Motor 3 is such as permagnetic synchronous motor. In the embodiment of description, I1 represents the rated power of the 8kW orders of magnitude.

In these embodiments, internal combustion engine 4 is considered as gasoline, diesel oil or the explosive motor using biological hydrocarbon fuel.

Identical with the system described in fig. 1-3, it is that motor 3 is powered that conduction chain 1, which includes also including by transverter 6, Apparatus for storing electrical energy 5.Apparatus for storing electrical energy 5 is especially by the multiple batteries of series, parallel or by including series-connected cell Multiple parallel branch formed.These batteries can be that lithium ion battery either lithium polymerization cell or can also be super electricity Hold.In the limit of apparatus for storing electrical energy 5 rated voltage be for example within the scope of 40V and 400V, particularly in 40V and Within the scope of 60V.

Transverter 6 can be reversible, for example in brake, to be charged for apparatus for storing electrical energy 5.Transverter 6 includes The polynary controllable converter unit of continuation mode.

The connector not described can be that apparatus for storing electrical energy 5 charges by predictable power network.

Conduction chain 1 also includes the first clutch system 7, and as will then have to see, the clutch system 7 can be by actively Wheel 2, and motor 3 and, if it is necessary, internal combustion engine 4 couples.Conduction chain 1 also includes gearbox 9.

As described in fig. 1-3, vehicle can also include vehicle-mounted element, such as auto radio, cigar lighter, after The power supply 10 of visor or front lamp of vehicle, deicing system or air-conditioning system.The power supply 10 can be via DC-DC electricity Buckling parallel operation 11 is powered by the way that apparatus for storing electrical energy 5 is all or part of.The voltage changer 11 will be provided by apparatus for storing electrical energy 5 Voltage be reduced to, such as 12V compatible with the supply voltage of vehicle-mounted element.

Each structure of conduction chain 1 will be described more accurately now.In the structure of fig. 1, motor 3 is connected by belt The bent axle of internal combustion engine.In this embodiment, the first clutch system 7 is unique clutch system of conduction chain 1, and can be by Combustion engine 4 and motor 3 couple with gearbox 9, and thus couple driving wheel 2.

In the embodiment shown in figs. 2 and 3, motor 3 is not connected to the bent axle of internal combustion engine 4, and the concurrent assembly of engine 3 and 4 is being led Draw in chain.In the embodiment that Fig. 2 and 3 is described, conduction chain 1 includes, including the branch 14 of motor 3 and including internal combustion engine 4 branch 15.The two branches combine in the same level of intersection 16.

In the embodiment of fig. 2, branch 14 only includes motor 3 and transverter 6.First clutch system 7 is inserted in speed change Between case 9 and intersection 16.

In this embodiment, branch 15 includes the second clutch system 18 and internal combustion engine 4, and second clutch system is inserted in friendship Between prong 16 and internal combustion engine 4.In the embodiment of fig. 2, AC starter is connected to DC-DC voltage changers 11.

In the embodiment of fig. 2, the first clutch system 7 can be by the He of motor 3, according to the shape of the second clutch system 18 State, internal combustion engine 4, couple with gearbox 9.

In the fig. 3 embodiment, branch 14 further comprises motor 3 and transverter 6, the first clutch system 7, and branch 15 include internal combustion engine 4, the second clutch system 18 and gearbox 9.In this embodiment, each branch includes clutch system and not had The gearbox 9 being inserted between motor 3 and driving wheel 2.

The starting side for the motor vehicle driven by mixed power that any one its conduction chain has been noted above is described referring now to Fig. 4-6 Method.

As described in Fig. 4, this method includes three phases 20,21 and 22.

Stage 20 corresponds to the starting of the motor 3 of conduction chain 1.

Stage 21 corresponds in the first clutch system 7 not by the He of motor 3, if it is necessary, internal combustion engine 4, with driving wheel 2 Before connection, around the speed of Set-value adjustment motor.Stage 21 is commonly referred to as " slow-speed of revolution stage ".

Stage 22 is motor 3 by the first clutch system 7, if it is necessary, the driving wheel with internal combustion engine 4 and vehicle 2 connections, so as to the He of motor 3, if it is necessary, internal combustion engine 4, drives vehicle.Stage 22 is commonly referred to as " idle stage ".

In the subsequent stage 23, vehicle drives fully or partially through motor 3, then starts.

In the embodiment that will be described, the starting or acceleration of vehicle perform only by motor 3, but the present invention is unlimited In this embodiment, the starting or starting of vehicle can be performed using motor 3 and internal combustion engine 4 simultaneously.

Fig. 5 illustrates the evolution in the stage 20 to 23, and the speed of motor 3 is according to curve 30, and the speed of vehicle is according to bent Line 31, and the moment of torsion that motor 3 provides is according to curve 32.

Stage 20 can be acted by vehicle driver by key contact, or the starting of every other motor 3 System is initiated.In remodeling, the stage is for example to be initiated by the support of the clutch pedal by user.

In the stage 20, the speed of motor firmly believes the stage for adjusting the stage in the speed corresponding to motor 3 until reaching When 21, almost unchanged value is kept.The regulation is for example by being held via management computer or vehicle engine control apparatus Capable servo-drive system is realized.In remodeling, the servo-drive system can realize that the latter receives use by the Electronic Control of motor The control of other vehicle fittings of person or application speed definite value.

In the stage 21, when motor 3 is coupled by clutch system 7 with driving wheel 2, around Set-value adjustment motor 3 Speed, it can be driven by the motor 3 of vehicle.When gearbox 9 is inserted between clutch system 7 and driving wheel 2, engage The fast ratio of dynamic required gearbox 9.

In the embodiment of Fig. 5 descriptions, in the stage 21, the speed of motor 3 is only around single Set-value adjustment.As in song See in line 32, only in the stage 21, performance is nearly constant single value to the moment of torsion provided by motor 3.The value is in rank Section 22 is in order to drive within maximum torque that is that vehicle reaches and reaching in the start-up period 20 of motor 3.

Performed in the stage 21 and merger is the definite value of the speed regulation for motor 3 of the bent axle of internal combustion engine 4, be example Such as within the scope of 400-700 revs/min, it can be in or be not in during unique hot exposure of vehicle, in slow-speed of revolution rank Section, within the scope of the speed regulation definite value (merger is bent axle) of internal combustion engine.

Fig. 6 represents the stage 20 and 21 of the other embodiment of motor vehicle driven by mixed power starting method.In the figure：

- curve 40 represents to pass through clutch system 7 by motor 3 optionally, if it is necessary, via gearbox 9, with active The connection of wheel 2,

- curve 41 illustrates the fast ratio for engaging or not engaging gearbox 9,

- curve 42 represents the speed of motor 3,

- curve 43 represents the moment of torsion provided by motor 3, and

- curve 44 represents the moment of torsion provided by internal combustion engine 4.

In this embodiment, the speed of motor 3 can continuously adjust around two different definite values, wherein the first definite value Less than the second definite value.First definite value, merger be internal combustion engine 4 bent axle, be for example within the scope of 400-500 revs/min, and Second definite value, merger are the bent axle of internal combustion engine 4, are within the scope of 600-700 revs/min.

First definite value be with, for example, assuming that be not engaged any fast ratio of gearbox 9, and if, as observed curve 40 and 41 see, match when clutch system 7 does not couple motor 3 and driving wheel 2.

Second definite value be with, for example, assuming that engagement First Speed, and if when clutch system 7 not by the He of motor 3 Driving wheel 2 matches when coupling.

As described in Fig. 6, single electric motor 3 is used in the starting of the embodiment, the moment of torsion provided by internal combustion engine It is zero.In this embodiment, the moment of torsion and the speed of motor provided by motor increases step by step in the slow-speed of revolution stage 21.

There is no the idle stage 22 of description in Fig. 6, control clutch system 7 is used to couple on motor 3 and driving wheel 2, with Just vehicle is driven.

After the stages of one or more continuous Set-value adjustment electromotor velocities are next surrounded, in idle stage 23 The moment of torsion provided during work by motor 3 and/or its speed, can be according to real-time by vehicle driver application definite value Control.The moment of torsion provided in remodeling by motor 3 and/or the control of its speed, are performed via program, such as via car The control device of engine performs.The regulation is for example to be performed according to torque structure activation.

The moment of torsion provided as described in idle stage 23 by vehicle and/or the control of the speed of motor, can be with Equally occur at stage 24.

Referring now to hybrid electric vehicle of Fig. 7 descriptions with the conduction chain structure of any one description in fig. 1-3 Speed management method.

This method can in the slow-speed of revolution period management vehicle speed, the slow-speed of revolution period corresponds to the stage described above 21, or be commonly referred to as " slow-speed of revolution driving " herein, that is to say, that at such period, vehicle movement, but it is not any Accelerate definite value.

Stage 50 and 51 is referred to as the embodiment of the speed management of motor 3 in the slow-speed of revolution by means of being particularly.Stage 50 It is, detection vehicle does not ask to accelerate, such as by monitoring the position of vehicle accelerator pedal, and the stage 51 is, only makes With motor, car speed is kept around definite value.In the stage 51, step by step or not governing speed step by step, and herein Described with reference to figure 4 to 6 similar, it is possible to implement.

The speed of motor 3 can be by the quantity of the definite value adjusted with the speed when the slow-speed of revolution drives for internal combustion engine Level identical one or more definite value is adjusted.In remodeling, the speed of motor can be used by when the slow-speed of revolution drives In in the limits that the speed of internal combustion engine is adjusted, even more a small range, one or more Set-value adjustments.

It can include the preparatory stage 49 with reference to the method that figure 7 describes, wherein vehicle is driven using the internal combustion engine 4 of vehicle, can With use or without using motor 3.Therefore internal combustion engine 4 is cut off after terminating in the stage 50, so that single electric motor ensures the slow-speed of revolution Driving period.If it is necessary, after the stage 50 terminates, when the traction of vehicle is unique heat in advance, motor can be started 3。

This method equally includes the stage 52, wherein the acceleration definite value used is detected, and recently used internal combustion engine.

Another aspect of the invention is described referring now to Fig. 8.Fig. 8 is described with any one described in Fig. 1 to 3 Conduction chain structure motor cutting-off method illustration.

This method is included in two stages 60 and 61 described in embodiment.

In the stage 60, compare the representative velocity amplitude of the motor 3 sent by sensor and predetermined threshold value.

In the stage 61, when the value sent by sensor is when within the scope of the threshold value, motor 3 is cut off.

This method is for example to implement by the digital processing unit including microcontroller.

The predetermined threshold value to be worked in the stage 60 and 61 is that such as selection is when the rotating speed of the offer of motor 3 is too high When ensure the motor that works of cut-out.The speed of motor, merger are the bent axle of internal combustion engine 4, are for example, merger is internal combustion engine Bent axle definite value within the scope of 100 revs/min to 200 revs/min, the definite value is applied to motor 3.

For example, when wanting to start motor 3 of the vehicle without cutting off driving wheel 2, around a definite value or multiple The speed of continuous Set-value adjustment motor 3.If the value sent by sensor within the scope of threshold value, cuts off motor 3, because the behavior of its fail to start vehicle.This is for longer periods lost motion behavior.

Another aspect of the present invention is described referring now to Fig. 9.Fig. 9 represents what is described in fig. 1-3 with any one The illustration of the control method of the motor 3 of conduction chain structure.

This method, which is included in, is considered as the 70 and 71 of two stages in embodiment.

In the stage 70, compare the representative velocity amplitude of the internal combustion engine 4 sent by sensor and predetermined threshold value.

In the stage 71, when the value sent by sensor is when within the scope of within the scope of the threshold value, control is electric Motivation 3, to provide the moment of torsion for being capable of increasing combustion engine speed.

Threshold value be in application definite value for example in internal combustion engine 4 within the scope of 100 revs/min to 200 revs/min, Described value merger is the bent axle of internal combustion engine.

This method can be implemented by the digital processing unit including microcontroller, and sensor can be with implementing reference chart Type that is identical or differing is used during the method for 8 descriptions.

The invention is not restricted to embodiment described here.

Term " comprising " is construed as represented " comprising at least ", unless when special provision.

Claims (17)

1. the starting method of motor vehicle driven by mixed power, the motor vehicle driven by mixed power includes：

- motor (3),

- internal combustion engine (4),

- optionally will at least motor (3) and vehicle driving wheel (2) connection clutch system (7), and

- gearbox (9),

This method includes multiple steps, wherein：

(i) (20) motor (3) is started,

(ii) at least certain value is surrounded, adjusts the speed of motor (3), and

(iii) by clutch system (7), motor (3) is coupled with the driving wheel (2) of vehicle, so that motor (3) drives Motor-car,

In regulation stage (21), the velocity amplitude of motor (3) continuously adjusts around at least two continuous definite values, first, Regulation is performed around the first definite value when the speed of no any gearbox (9) is than engagement, and then, when the fast ratio of gearbox connects During conjunction regulation is performed around the second definite value.

2. according to the method for claim 1, wherein driving vehicle using single electric motor (3).

3. according to the method for claim 1, wherein equally using internal combustion engine (4) driving vehicle.

4. according to the method described in any one in claim 1-3, wherein the speed definite value of regulation stage (21) is true in advance Fixed.

5. according to the method described in any one in claim 1-3, wherein the speed definite value of regulation stage (21) is according to car What the action of user determined in real time.

6. according to the method described in any one in claim 1-3, wherein second definite value in regulation stage (21) is selected, so as to It can be driven by the motor of vehicle.

7. according to the method described in any one in claim 1-3, second definite value is higher than first definite value.

8. according to the method for claim 7, first definite value, merger is the bent axle of internal combustion engine (4), is 400 to 500 Within the scope of rev/min, and second definite value, merger are the bent axle of internal combustion engine (4), are at 600 to 700 revs/min Within the scope of.

9. according to the method described in any one in claim 1-3, wherein, in connection stage (22), make according to by vehicle The application definite value of user controls the mechanical parameter of at least motor (3) in real time.

10. according to the method for claim 9, wherein, the mechanical parameter of at least motor (3) be it moment of torsion and/or it Speed.

11. according to the method described in any one in claim 1-3, wherein, in connection stage (22) control at least motor (3) mechanical parameter, so as to apply predetermined speed definite value.

12. according to the method for claim 11, wherein, the mechanical parameter of at least motor (3) be it moment of torsion and/or it Speed.

13. according to the method described in any one in claim 1-3, wherein, the bent axle of motor (3) and internal combustion engine (4) connects Connect, clutch system (7) is inserted between internal combustion engine (4) and gearbox (9).

14. according to the method described in claim 1-3 any one, wherein internal combustion engine (4) and motor (3) concurrent assembly.

15. according to the method for claim 14, the clutch system (7) is the first clutch system set, to select Property motor (3) and internal combustion engine (4) are coupled with gearbox (9), and the vehicle include be arranged on the first clutch system (7) The second clutch system (18) between internal combustion engine (4).

16. according to the method for claim 14, the clutch system (7) is the first clutch system set, to select Property couple only by motor (3) with driving wheel (2), and the vehicle include set the second clutch system (18), to select Selecting property only internal combustion engine (4) and gearbox (9) are coupled.

17. the starting method of motor vehicle driven by mixed power, the motor vehicle driven by mixed power includes：

- motor (3),

- the internal combustion engine (4) with the motor (3) concurrent assembly,

- gearbox (9),

- the first clutch system set, so as to which optionally only motor (3) is coupled with driving wheel (2), and

- the second clutch system (18) set, so as to which optionally only internal combustion engine (4) and gearbox (9) are coupled,

This method includes multiple steps, wherein：

(i) (20) motor (3) is started,

(ii) at least certain value is surrounded, adjusts the speed of motor (3), and

(iii) by the first clutch system, motor (3) is coupled with the driving wheel (2) of vehicle, so as to motor (3) Drive vehicle.