CN108515849A - Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit - Google Patents

Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit Download PDF

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Publication number
CN108515849A
CN108515849A CN201810290038.5A CN201810290038A CN108515849A CN 108515849 A CN108515849 A CN 108515849A CN 201810290038 A CN201810290038 A CN 201810290038A CN 108515849 A CN108515849 A CN 108515849A
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CN
China
Prior art keywords
generator
torque
distance increasing
increasing unit
rotating speed
Prior art date
Application number
CN201810290038.5A
Other languages
Chinese (zh)
Inventor
尤霖
韦健林
胡红星
孙昊
Original Assignee
浙江吉利控股集团有限公司
浙江吉利新能源商用车有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 浙江吉利控股集团有限公司, 浙江吉利新能源商用车有限公司 filed Critical 浙江吉利控股集团有限公司
Priority to CN201810290038.5A priority Critical patent/CN108515849A/en
Publication of CN108515849A publication Critical patent/CN108515849A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00Electric propulsion with power supplied within the vehicle
    • B60L50/50Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/70Energy storage for electromobility
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y02T10/7077Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors on board the vehicle

Abstract

The present invention proposes a kind of generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit, is related to electric vehicle engineering field.This method by obtaining the rotating speed of generator in real time, rotating speed according to generator determines corresponding torque scale factor, the torque value of generator is determined according to torque scale factor, reach in distance increasing unit power generation process, when generator speed is close to engine idle rotational, the purpose of progressive limitation is carried out to the torque of generator according to the rotating speed of generator, it effectively prevents generator and reversely drags engine, it causes damages to engine, to the service life important in inhibiting of distance increasing unit, it is more preferable to the experience sense of user simultaneously but also the rotating speed of engine is more stable.

Description

Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit

Technical field

The present invention relates to electric vehicle engineering fields, in particular to a kind of generator torque control based on distance increasing unit Method, distance increasing unit and electric vehicle processed.

Background technology

On orthodox car, diesel engine is once invert, and control of engine speed can be out of control, and rotating speed can rise violently, and is arranged from air inlet Except a large amount of white cigarettes, filtered air will suck dust impurity from exhaust pipe, aggravate the abrasion of cylinder sleeve piston and valve actuating mechanism, Pollution air inlet pipe is fire-cureed, makes many soots of attachment in admission line, if cannot control in time will be such that engine scraps.If gasoline Machine inverts, rotary shaft will traction starting board and invert together, and be wrapped the starting rope of certain length on starting board, pull Starting rope can force the rotary shaft of engine and flywheel obtain it is certain rotate in the forward direction power, then coordinate the igniting work(of ignition system Can, engine normal starting can be made.And when engine is in starting process, because the rotating speed of rotary shaft is very unstable It is fixed, the angle that ignition system (especially digital ignition system) calculated ignition angle deviates real demand is may result in, When serious engine rotary shaft moment may invert.If starting board reversion will make the more to twine the more tight above starting rope, one Denier strength is excessive, and will break starting rope, damages starting system.

In stroke-increasing electric automobile, engine start is dragged by generator when distance increasing unit starts;Distance increasing unit power generation process In, generator gives engine reversed negative torque, is rotated together by engine drawing generator, generator generates electricity.At this During a, if the negative torque of generator is excessive, when the rotating speed of generator is close to engine idle rotational, it is easy to make hair Motivation inverts, and causes damages to engine, influences the service life of distance increasing unit.Therefore, idle close to engine in generator speed When fast rotating speed, have great importance to the adjusting of generator torque.

Invention content

The generator torque control method based on distance increasing unit that the purpose of the present invention is to provide a kind of, according to turning for generator Speed determines corresponding torque scale factor, to realize when generator speed is close to engine idling, passes through the torque ratio The torque of factor pair generator is adjusted, and prevents torque is excessive from engine being caused to invert.

The present invention also aims to provide a kind of distance increasing unit, distance increasing unit controller turns according to the generator obtained in real time Speed determines corresponding torque scale factor, is adjusted by the torque of the torque ratio factor pair generator, and generator is made to turn When the nearly engine idling of quick access, realizes progressive limit torsion, generator is avoided reversely to drag engine.

The present invention also aims to provide a kind of electric vehicle using above-mentioned distance increasing unit.

To achieve the goals above, technical solution used in the embodiment of the present invention is as follows:

In a first aspect, the present invention proposes a kind of generator torque control method based on distance increasing unit, it is described to be based on distance increasing unit Generator torque control method include:The rotating speed of generator is obtained in real time;Rotating speed according to the generator determines corresponding Torque scale factor;The torque value of the generator is determined according to the torque scale factor.

Further, the generator torque control method based on distance increasing unit further includes:Calculate the first of the generator Beginning torque value;Described the step of determining the torque value of the generator according to the torque scale factor includes:By the torque Torque value of the product of scale factor and the initial torque value as the generator.

Further, the rotating speed according to the generator determines that the step of corresponding torque scale factor includes:When When the rotating speed of the generator is in preset threshold range, the rotating speed of the torque scale factor with the generator is determined It reduces and reduces.

Further, the rotating speed according to the generator determines that the step of corresponding torque scale factor includes:When When the rotating speed of the generator is less than the lower limiting value of preset threshold range, determine that the torque scale factor is the first setting Value.

Further, the rotating speed according to the generator determines that the step of corresponding torque scale factor includes:When When the rotating speed of the generator is more than the upper limit value of preset threshold range, determine that the torque scale factor is the second setting Value.

Second aspect, the present invention also propose that a kind of distance increasing unit, the distance increasing unit include distance increasing unit controller and generator, institute State distance increasing unit controller and the power generation mechatronics;The distance increasing unit controller is used to obtain turning for the generator in real time Speed, the rotating speed according to the generator determine corresponding torque scale factor, and the hair is determined according to the torque scale factor The torque value of motor.

The third aspect, the present invention also propose a kind of electric vehicle, including fuel oil supply system, power battery and above-mentioned Power battery, the distance increasing unit further include engine, and the engine is connect with the generator, and the fuel oil supply system is used In providing fuel for the engine, the power battery is used to pass through the generator charging.

Compared with the prior art, the invention has the advantages that:

Generator torque control method, distance increasing unit and electric vehicle provided by the invention based on distance increasing unit, distance increasing unit control Device processed determines corresponding torque scale factor by obtaining the rotating speed of the generator, the rotating speed according to the generator in real time, The torque value of the generator is determined according to the torque scale factor.When the rotating speed of generator is in preset threshold range When, control mode scale factor is reduced with the reduction of the rotating speed of generator, to realize the process of progressive limit torsion.Work as generator Rotating speed be less than preset threshold range lower limiting value when, then control mode scale factor takes 0 so that the torque of generator be 0, Effectively the engine caused by generator reversely drags engine is avoided to invert, to the service life important in inhibiting of distance increasing unit. In addition, in distance increasing unit by starting to power generation process, or by generating electricity into stopping process, due to there is the progressive mechanism for unloading torsion, It ensure that the rotating speed of engine is more steady.

To enable the above objects, features and advantages of the present invention to be clearer and more comprehensible, preferred embodiment cited below particularly, and coordinate Appended attached drawing, is described in detail below.

Description of the drawings

In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this A little attached drawings obtain other relevant attached drawings.

Fig. 1 shows the structure diagram for the distance increasing unit that first embodiment of the invention is provided.

Fig. 2 shows the functional block diagrams that distance increasing unit controller determines the torque value of generator.

Fig. 3 shows the structure diagram for the electric vehicle that second embodiment of the invention is provided.

Fig. 4 shows the flow for the generator torque control method based on distance increasing unit that third embodiment of the invention is provided Schematic diagram.

Icon:10- electric vehicles;100- distance increasing units;200- fuel oil supply systems;300- power batteries;110- distance increasing units Controller;120- generators;130- engines;140- engine controllers;150- engine controllers.

Specific implementation mode

Below in conjunction with attached drawing in the embodiment of the present invention, technical solution in the embodiment of the present invention carries out clear, complete Ground describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually exist The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and be designed with a variety of different configurations herein.Cause This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.

It should be noted that:Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.Meanwhile the present invention's In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

First embodiment

Fig. 1 is please referred to, by the structure diagram for the distance increasing unit 100 that first embodiment of the invention provides.As shown in Figure 1, institute State distance increasing unit 100 include distance increasing unit controller 110, generator 120 and engine 130, the distance increasing unit controller 110 with it is described Generator 120 is electrically connected, and the generator 120 is connect with the engine 130.

In the present embodiment, the generator 120 and the engine 130 are coaxial mechanical connection, are risen in distance increasing unit 100 During dynamic, the rotation of engine 130 is driven to realize that engine 130 starts by generator 120, and in 100 power generation process of distance increasing unit In, then give engine 130 reversed negative torque by generator 120,130 drawing generator 120 of engine rotates together, generator 120 generate electricity.

The distance increasing unit controller 110 is used to obtain the rotating speed of the generator 120 in real time, according to the generator 120 Rotating speed determine corresponding torque scale factor, the torque value of the generator 120 is determined according to the torque scale factor, into And realize the adjusting to 120 torque of generator.

In the present embodiment, the distance increasing unit 100 still further comprises engine controller 140, the generator control Device 140 is electrically connected with the generator 120, distance increasing unit controller 110.Specifically, the distance increasing unit controller 110 and power generation It can be realized and be communicated by controller local area network (Controller Area Network, CAN) between machine controller 140, it is described Operating status and transmission data of the engine controller 140 for monitoring generator 120 in real time, the distance increasing unit controller 110 Rotating speed for obtaining the generator 120 in real time by the engine controller 140.When 110 foundation of distance increasing unit controller After torque scale factor determines the torque value of final generator 120, the distance increasing unit controller 110 is additionally operable to according to the hair The torque value of motor 120 is to 140 output torque control instruction of the engine controller, so that the engine controller 140 The torque that the generator 120 is controlled according to moment of torsion control instruction, prevents the torque of generator 120 is excessive from causing engine 130 reversions.

Further, in the present embodiment, the distance increasing unit controller 110 is additionally operable to calculate the first of the generator 120 Beginning torque value, using the product of the torque scale factor and the initial torque value as the torque value of the generator 120.Such as Shown in Fig. 2, the functional block diagram of the torque value of generator 120 is determined for distance increasing unit controller 110.In other words, in distance increasing unit 100 In power generation process, distance increasing unit controller 110 after calculating the initial torque value for needing generator 120 to be given every time, not It is torque of direct basis initial torque value control generator 120 to engine 130, but according to the rotating speed of generator 120 Determine corresponding torque scale factor, being obtained after which is multiplied with calculated initial torque value should be to power generation The final torque value that machine 120 exports.

It should be noted that in the present embodiment, the torque scale factor can be determined as follows:When the hair When the rotating speed of motor 120 is in preset threshold range, the distance increasing unit controller 110 determines the torque scale factor with institute It states the reduction of the rotating speed of generator 120 and reduces.When the rotating speed of the generator 120 is less than the lower limiting value of preset threshold range When, the distance increasing unit controller 110 determines that the torque scale factor is the first setting value, when the rotating speed of the generator 120 More than preset threshold range upper limit value when, the distance increasing unit controller 110 determines that the torque scale factor is second to set Definite value.

In the present embodiment, generating state is entered by idling in distance increasing unit 100 or idling mode is withdrawn by generating state When, the rotating speed of generator 120 may be close to the idling speed of engine 130, be easy to cause the reversion of engine 130 at this time.It is described It is pre-set in distance increasing unit controller 110 there are one threshold range, which is one near 130 idling speed of engine A range, it is preferable that the upper limit value and lower limiting value of the threshold range are slightly above rotating speed when 130 idling of engine.Distance increasing unit control Device 110 processed is by judging that the rotating speed of generator 120 and the relationship of preset threshold range can determine the rotating speed pair of generator 120 The torque scale factor answered.

Specifically, when the rotating speed of generator 120 is higher than the upper limit value of preset threshold range, the rotating speed of generator 120 There are larger gap, generator 120 smaller to the torque of engine 130 with rotating speed when 130 idling of engine, by torque at this time Scale factor is taken as 1, i.e. distance increasing unit controller 110 maintains calculated initial torque value to export.With the rotating speed of generator 120 When being reduced in preset threshold range, the rotating speed of generator 120 has been approached the idling speed of engine 130, determines at this time Torque scale factor reduces and linear reduction with the rotating speed of generator 120, reaches the process that progressive limit is turned round.And in generator 120 Rotating speed be less than threshold range lower limiting value when, torque scale factor is taken as 0 at this time, make generator 120 torque be 0, have Effect avoid because generator 120 is counter drag caused by engine 130 reversion.

Second embodiment

Fig. 3 is please referred to, by the structure diagram for the electric vehicle 10 that second embodiment of the invention provides.As shown in figure 3, institute It includes the distance increasing unit 100 that fuel oil supply system 200, power battery 300 and first embodiment are provided to state electric vehicle 10.At this In embodiment, the distance increasing unit 100 further includes engine controller 150, the engine controller 150 and the engine 130, distance increasing unit controller 110 is electrically connected.Specifically, between the distance increasing unit controller 110 and engine controller 150 It can be realized and be communicated by CAN, the engine controller 150 can monitor the operating status and transmission number of engine 130 in real time According to the distance increasing unit controller 110 obtains generator respectively by the engine controller 140 and engine controller 150 120 and the operating status of engine 130 can be to engine 130 when detecting that engine 130 or generator 120 break down Processing signal is sent with generator 120, when in case of emergency can also realize emergent stopping, distance increasing unit 100 is avoided to damage, It can guarantee the traffic safety of user to a certain extent.

The fuel oil supply system 200 is used to after the starting of the distance increasing unit 100 be that the engine 130 provides fuel, The generator 120 has the two kinds of working forms that start and generate electricity, and the power battery 300 in the distance increasing unit 100 for rising Energy is provided for the generator 120 when dynamic, so that generator 120 is dragged engine 130 and rotates, after distance increasing unit 100 starts, then Generator 120 is driven to rotate by engine 130, generator 120 generates electricity as load, and the power battery 300 is for leading to The electric energy charging that the power generation of the generator 120 generates is crossed, to ensure the normal work of electric vehicle 10.

It is to be appreciated that in the present embodiment, when the electricity abundance in power battery 300, the electric vehicle 10 is with pure Electric model travels, and when the not enough power supply in power battery 300, then can start the start-up operation of distance increasing unit 100, pass through generator 120 power generations are produced electricl energy charges to power battery 300, to greatly improve the continual mileage of electric vehicle 10.In distance increasing unit 100 In power generation process, when idling speed of the rotating speed of generator 120 close to engine 130, determined according to the rotating speed of generator 120 The torque of corresponding torque ratio factor pair generator 120 carries out the progressive mechanism for unloading torsion, to effectively avoid because of generator 120 Reversed dragging engine 130 causes engine 130 to invert, and also ensures that the rotating speed of engine 130 is more steady.

3rd embodiment

Fig. 4 is please referred to, the generator torque control method based on distance increasing unit provided by third embodiment of the invention Flow diagram.It should be noted that the generator torque control method based on distance increasing unit described in the embodiment of the present invention is not It is to limit with Fig. 4 and particular order as described below, the technique effect of basic principle and generation is identical with the first embodiment, To briefly describe, unmentioned part in the present embodiment can refer to the corresponding contents in first embodiment.It should be appreciated that at it In its embodiment, the sequence of the generator torque control method which part step of the present invention based on distance increasing unit can root It is exchanged with each other according to actual needs or part steps therein can also be omitted or be deleted.Described in the embodiment of the present invention based on The generator torque control method of distance increasing unit can be applied in above-mentioned distance increasing unit 100, below will be to detailed process shown in Fig. 4 It is described in detail.

Step S101 calculates the initial torque value of the generator 120.

In the present embodiment, it is not straight after distance increasing unit controller 110 calculates the initial torque value for needing to export originally The torque that generator 120 is controlled with the initial torque value is connect, and to the initial torque after the follow-up determining torque scale factor of needs Value is adjusted.

Step S102 obtains the rotating speed of generator 120 in real time.

In the present embodiment, the distance increasing unit controller 110 obtains the hair in real time by the engine controller 140 The rotating speed of motor 120.

Step S103, the rotating speed according to the generator 120 determine corresponding torque scale factor.

Specifically, when the rotating speed of the generator 120 is in preset threshold range, the distance increasing unit controller 110 Determine that the torque scale factor is reduced with the reduction of the rotating speed of the generator 120, wherein the torque scale factor is excellent It is selected as linear reduction, realizes and progressive limitation is carried out to the negative torque of generator 120.When the rotating speed of the generator 120 is less than pre- If threshold range lower limiting value when, the distance increasing unit controller 110 determine the torque scale factor be the first setting value (example Such as, 0) which is.When the rotating speed of the generator 120 is more than the upper limit value of preset threshold range, the increasing Journey device controller 110 determines that the torque scale factor is the second setting value (for example, second preset value is 1).

Step S104 determines the torque value of the generator 120 according to the torque scale factor.

In the present embodiment, the distance increasing unit controller 110 by the above-mentioned torque scale factor determined and calculates Torque value of the product of the initial torque value gone out as final generator 120.The distance increasing unit controller 110 is according to most Determining torque value is to 140 output torque control instruction of the engine controller eventually, and then is controlled by engine controller 140 The torque for making the generator 120, achieve the purpose that it is progressive unload torsion, effectively prevent engine 130 reversion.

In conclusion generator torque control method, distance increasing unit and electricity provided in an embodiment of the present invention based on distance increasing unit Electrical automobile, distance increasing unit controller determine torque scale factor according to the rotating speed of the generator obtained, when generator speed is higher than pre- If threshold range upper limit value when, torque scale factor is taken as 1, when generator speed is in preset threshold range, Then make torque scale factor with the reduction of generator speed linear reduction, when generator speed be less than preset threshold range Lower limiting value when, torque scale factor is determined as 0;After the determination of torque scale factor, distance increasing unit controller will be calculated The torque value of initial torque value and the product for the torque scale factor determined as final output to generator.Therefore in distance increasing unit In power generation process, when generator speed is close to engine idle rotational, using the above-mentioned progressive mechanism for unloading torsion, effectively prevent Engine inverts, and to the service life important in inhibiting of distance increasing unit, while but also the rotating speed of engine is more stable, to the body of user It is more preferable to test sense.

It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one A entity or operation with another entity or operate distinguish, without necessarily requiring or implying these entities or operation it Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant are intended to Cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or setting Standby intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in the process, method, article or apparatus that includes the element.

The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.It should be noted that:Similar label and letter exist Similar terms are indicated in following attached drawing, therefore, once being defined in a certain Xiang Yi attached drawing, are then not required in subsequent attached drawing It is further defined and is explained.

Claims (10)

1. a kind of generator torque control method based on distance increasing unit, which is characterized in that the generator based on distance increasing unit is turned round Square control method includes:
The rotating speed of generator is obtained in real time;
Rotating speed according to the generator determines corresponding torque scale factor;
The torque value of the generator is determined according to the torque scale factor.
2. the generator torque control method based on distance increasing unit as described in claim 1, which is characterized in that described based on increasing journey The generator torque control method of device further includes:
Calculate the initial torque value of the generator;
Described the step of determining the torque value of the generator according to the torque scale factor includes:
Using the product of the torque scale factor and the initial torque value as the torque value of the generator.
3. the generator torque control method based on distance increasing unit as claimed in claim 2, which is characterized in that described in the foundation The rotating speed of generator determines that the step of corresponding torque scale factor includes:
When the rotating speed of the generator is in preset threshold range, determine the torque scale factor with the generator The reduction of rotating speed and reduce.
4. the generator torque control method based on distance increasing unit as claimed in claim 2, which is characterized in that described in the foundation The rotating speed of generator determines that the step of corresponding torque scale factor includes:
When the rotating speed of the generator is less than the lower limiting value of preset threshold range, determine that the torque scale factor is first Setting value.
5. the generator torque control method based on distance increasing unit as claimed in claim 2, which is characterized in that described in the foundation The rotating speed of generator determines that the step of corresponding torque scale factor includes:
When the rotating speed of the generator is more than the upper limit value of preset threshold range, determine that the torque scale factor is second Setting value.
6. a kind of distance increasing unit, which is characterized in that the distance increasing unit includes distance increasing unit controller and generator, the distance increasing unit control Device and the power generation mechatronics;
The distance increasing unit controller is used to obtain the rotating speed of the generator in real time, and the rotating speed according to the generator, which determines, to be corresponded to Torque scale factor, the torque value of the generator is determined according to the torque scale factor.
7. distance increasing unit as claimed in claim 6, which is characterized in that the distance increasing unit controller is additionally operable to calculate the generator Initial torque value, using the product of the torque scale factor and the initial torque value as the torque value of the generator.
8. distance increasing unit as claimed in claim 7, which is characterized in that the distance increasing unit controller is used to turn when the generator When speed is in preset threshold range, determine that the torque scale factor is reduced with the reduction of the rotating speed of the generator, when When the rotating speed of the generator is less than the lower limiting value of preset threshold range, determine that the torque scale factor is the first setting Value determines that the torque scale factor is second when the rotating speed of the generator is more than the upper limit value of preset threshold range Setting value.
9. distance increasing unit as claimed in claim 6, which is characterized in that the distance increasing unit further includes engine controller, the hair Electric machine controller is electrically connected with the generator, distance increasing unit controller;
The distance increasing unit controller is used to obtain the rotating speed of the generator in real time by the engine controller;
The distance increasing unit controller is additionally operable to the torque value according to the generator to the engine controller output torque control System instruction, so that the engine controller controls the torque of the generator according to moment of torsion control instruction.
10. a kind of electric vehicle, including fuel oil supply system and power battery, which is characterized in that the electric vehicle further includes Claim 6-9 any one of them distance increasing units, the distance increasing unit further includes engine, and the engine connects with the generator It connects, the fuel oil supply system is used to provide fuel for the engine, and the power battery by the generator for being filled Electricity.
CN201810290038.5A 2018-04-03 2018-04-03 Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit CN108515849A (en)

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Application Number Priority Date Filing Date Title
CN201810290038.5A CN108515849A (en) 2018-04-03 2018-04-03 Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit

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Application Number Priority Date Filing Date Title
CN201810290038.5A CN108515849A (en) 2018-04-03 2018-04-03 Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110758125A (en) * 2019-12-30 2020-02-07 宁波洁程汽车科技有限公司 Control system and method for power quick response of range extender for electric automobile

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CN106274514A (en) * 2016-08-31 2017-01-04 北京新能源汽车股份有限公司 A kind of distance increasing unit control method, device and stroke-increasing electric automobile
CN106364336A (en) * 2016-08-29 2017-02-01 北京新能源汽车股份有限公司 Control method and system for power generating torque of range extender of electric vehicle and electric vehicle

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Publication number Priority date Publication date Assignee Title
EP1859985A2 (en) * 2006-03-31 2007-11-28 Mazda Motor Corporation Hybrid system of vehicle
US20080179122A1 (en) * 2007-01-29 2008-07-31 Naoshi Sugawara Electric motor control system, series hybrid vehicle, electric motor control apparatus, and electric motor control method
CN106364336A (en) * 2016-08-29 2017-02-01 北京新能源汽车股份有限公司 Control method and system for power generating torque of range extender of electric vehicle and electric vehicle
CN106274514A (en) * 2016-08-31 2017-01-04 北京新能源汽车股份有限公司 A kind of distance increasing unit control method, device and stroke-increasing electric automobile

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110758125A (en) * 2019-12-30 2020-02-07 宁波洁程汽车科技有限公司 Control system and method for power quick response of range extender for electric automobile

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