CN202782641U - Hybrid power driving device - Google Patents

Hybrid power driving device Download PDF

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Publication number
CN202782641U
CN202782641U CN 201220408038 CN201220408038U CN202782641U CN 202782641 U CN202782641 U CN 202782641U CN 201220408038 CN201220408038 CN 201220408038 CN 201220408038 U CN201220408038 U CN 201220408038U CN 202782641 U CN202782641 U CN 202782641U
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CN
China
Prior art keywords
clutch
arrangement
motor
rotor
sun
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn - After Issue
Application number
CN 201220408038
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Chinese (zh)
Inventor
朱春浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Santroll Electric Automobile Technology Co Ltd
Original Assignee
Tianjin Santroll Electric Automobile Technology Co Ltd
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.)
Filing date
Publication date
Application filed by Tianjin Santroll Electric Automobile Technology Co Ltd filed Critical Tianjin Santroll Electric Automobile Technology Co Ltd
Priority to CN 201220408038 priority Critical patent/CN202782641U/en
Application granted granted Critical
Publication of CN202782641U publication Critical patent/CN202782641U/en
Anticipated expiration legal-status Critical
Withdrawn - After Issue legal-status Critical Current

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Abstract

The utility model relates to a hybrid power driving device which comprises an engine, a first motor, a second motor and planetary gear members. The hybrid power driving device is characterized by further comprising a first clutch device, a second clutch device, a third clutch device and a fourth clutch device, wherein the first clutch device is arranged between the engine and the first motor; the second clutch device is arranged between the engine and a sun gear of each planetary gear member; the third clutch device is arranged between a gear ring and a vehicle body fixing part; and the fourth clutch device is arranged between a second motor rotor and a stator. According to the hybrid power driving device, the output of more than three gears is realized by matching the clutch devices with one set of planetary gear members. In addition, the structure is simple, the space in the vehicle can be effectively saved and the fuel economy of the engine is improved.

Description

Hybrid drive
Technical field
The utility model relates to a kind of drive device for hybrid vehicle, especially a kind of hybrid drive with planetary wheel and arrangement of clutch.
Background technology
The new-energy automobiles such as hybrid vehicle generally are that driving engine and two kinds of power of electrical motor are mixed, carry out rotating speed and torque coupling according to certain control policy, finally export to again wheel, it has utilized the dynamic characteristic of motor to remedy the deficiency of engine power characteristic, make engine operation better between efficiency area, simultaneously can reclaim braking energy, so energy-saving and emission-reduction.
Hybrid electric drive system generally has tandem, parallel, series parallel type, wherein series parallel type is the hybrid power system type of drive that generally adopts at present, the arrangement of series-parallel hybrid electric system combines the characteristics of tandem arrangement and parallel arrangement, provide according to different operating modes allow oil, two kinds of energy of electricity respectively according to series, parallel or connection in series-parallel in conjunction with three kinds of work patterns, thereby so that hybrid power system can be selected different power driven modes according to different operating modes.
Topmost contradiction is the seamless coupling between driving engine and the electrical motor in the existing hybrid power actuation techniques, in direct motor drive and the main very large interval by engine-driven operation interval, driving engine can't really be operated in the fuel efficient district, and the advantage of the more traditional fuel-engined vehicle of hybrid vehicle can not be given full play to.Prior art generally all is to carry out many grades of mode of operations of driving engine by the arrangement of clutch such as machinery or electromagnetism, planetary wheel iso-variable velocity device to be connected combination with the outside of electrical motor, realizes the coupling of driving engine and electrical motor by torque coupling, rotating speed coupling.Conventional engines generally has two grades of change speed gear boxs, can make driving engine be operated in as much as possible efficient district by regulation stall under different operating modes.But in fact, two grades of speed changes can not make driving engine be fully operational in the fuel efficient district, and in very large one section speed interval, driving engine still is operated in the poor efficiency district between two grades.
In the prior art there be the main problem that exists:
1, two grades of change speed gear boxs of conventional engines can not be brought into play the performance in engine high-efficiency district fully, still have quite a few time engine operation in the poor efficiency district, cause energy dissipation;
Although 2, many grades of speed-changing mechanisms of the structure of a plurality of planet rows have increased engine gears, complex structure, it is large to take interior space, and the gear Meshing Pair is many, has reduced energy transfer efficiency;
3, engine mission and motor gear box structure are made respectively and are installed and control, make actuating device bulky, manufacture inefficiency;
4, generally speaking, power system need to be equipped with starting-motor of engine, and starter motor only is used for start the engine or do merely electrical generator and use, and can not be used for driving vehicle, causing idle waste;
The utility model content
The utility model is intended to overcome shortcoming of the prior art, provide a kind of power-transfer clutch to cooperate with planetary wheel, the apparatus and method that driving engine and motor operation are joined together, the coupling efficiency of Effective Raise driving engine and electrical motor, the simplification system, make driving engine be operated in better efficient district, realize good fuel economy.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be:
A kind of hybrid drive comprises driving engine, has output shaft, and the first motor has rotor and stator; The second motor has rotor and stator; Planetary gear members and closed-center system; Described planetary gear members comprises gear ring, sun wheel and pinion carrier, the gear ring of described planetary gear members links to each other with described the first rotor axis of electric, the sun wheel of described planetary gear members links to each other with described the second rotor axis of electric, and the pinion carrier of described planetary gear members is connected with this device clutch end; Described closed-center system is connected with described the first motor, the second motor; Wherein, also comprise the first arrangement of clutch in the described hybrid drive, be arranged between described engine output shaft and described the first rotor axis of electric described engine shaft and engage by described first clutch with described the first rotor axis of electric or separate; With the second arrangement of clutch, be arranged between the sun wheel of described engine shaft and described sun and planet gear, engage by described the second arrangement of clutch between the sun wheel of described engine shaft and described sun and planet gear or separate; With the 3rd arrangement of clutch, realize engaging or separating by described the 3rd arrangement of clutch between the gear ring of described the first rotor or described sun and planet gear and the car body fixed parts; With the 4th arrangement of clutch, be arranged between described the second rotor and the car body fixed parts, realize engaging or separating by described the 4th arrangement of clutch between described the second rotor and the car body fixed parts.
As an aspect of the present utility model, described the first arrangement of clutch, the second arrangement of clutch, the 3rd arrangement of clutch, the 4th arrangement of clutch are arranged at respectively between described the first motor and the described sun and planet gear with one heart, with described sun and planet gear on same rotation centerline.
According to another aspect of the present utility model, described the first rotor has hollow shaft, and described engine output shaft passes and engages by described the second arrangement of clutch between the sun wheel of described the first rotor hollow shaft and described sun and planet gear or separate.
Be provided with transmission gear between the pinion carrier of described sun and planet gear and the wheel drive shaft.
Can also comprise a control system in the native system, described the first arrangement of clutch, the second arrangement of clutch, the 3rd arrangement of clutch, the 4th arrangement of clutch link to each other with described control system electricity.
Described sun and planet gear has outer hull, and described the 3rd arrangement of clutch is arranged between the gear ring and described housing of described sun and planet gear, and perhaps the 3rd arrangement of clutch is arranged between described the first rotor and the stator.
Preferably, described the first arrangement of clutch and second clutch can be lamella clutchs.
Preferably, described the 3rd arrangement of clutch and the 4th arrangement of clutch are lamella clutch or external contracting drum brake;
Closed-center system described in the utility model can be battery pack or super capacitor.
The utility model has overcome the deficiency of existing mixed power coupling device, and its beneficial effect is:
1, only uses single sun and planet gear, realize the driving engine three class gear shift, make the driving engine more time be operated in efficient district, improve energy utilization rate.
2, use arrangement of clutch to replace the motor gear box case, make the package unit smaller volume, save arrangement space, make Bus inner layout and design freer.
3, utilize a cover sun and planet gear, realize four gears of driving engine (comprising a neutral gear) output and two motor reduction of speed outputs, gear pair quantity is few, and driving efficiency is higher.
4, two motors both can be done electrical generator, also can make driving motor, and system dynamic is stronger, and recuperated energy is more powerful.
Description of drawings
For content of the present utility model is more likely to be clearly understood, the below is described in further detail the utility model, wherein according to specific embodiment of the utility model also by reference to the accompanying drawings
Fig. 1 is the utility model hybrid drive scheme drawing.
Fig. 2 is the utility model hybrid drive electric-only mode one scheme drawing.
Fig. 3 is the utility model hybrid drive electric-only mode two scheme drawings.
Fig. 4 is the utility model hybrid drive electric-only mode three scheme drawings.
Fig. 5 is the utility model hybrid drive series-parallel connection pattern diagram.
Fig. 6 is the utility model hybrid drive paralleling model one scheme drawing.
Fig. 7 is the utility model hybrid drive paralleling model two scheme drawings.
Fig. 8 is the direct drive pattern scheme drawing of the utility model hybrid drive driving engine.
Wherein, the 1st, driving engine, the 2nd, planetary gear members, the 21st, gear ring, the 22nd, sun wheel, the 23rd, pinion carrier, the 3rd, the power transmission gear, the 4th, closed-center system, M1 are the first motors, and M2 is the second motor, C1 is the first arrangement of clutch, C2 is the second arrangement of clutch, and C3 is the 3rd arrangement of clutch, and C4 is the 4th arrangement of clutch.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done and to be described in further detail:
In order to make accompanying drawing concisely clear, closed-center system 4 does not indicate in Fig. 2 ~ 8, but does not comprise closed-center system described in the Fig. 2 that does not mean ~ 8 in the pattern.
Planetary gear members 2 comprises gear ring 21, sun wheel 22 and pinion carrier 23, and wherein, gear ring 21 links to each other with the first motor M 1 rotor shaft, and sun wheel 22 links to each other with the second motor M 2 rotor shafts, and pinion carrier 23 links to each other with this device clutch end; Closed-center system 4 links to each other with the first motor M 1, the second motor M 2;
The first arrangement of clutch C1 is arranged between driving engine 1 and the first motor M 1 rotor shaft, and driving engine 1 axle engages by first clutch C1 with the first motor M 1 rotor shaft or separates; The second arrangement of clutch C2 is arranged between driving engine 1 and the sun wheel 22, engages by the second arrangement of clutch C2 between driving engine 1 axle and the sun wheel 22 or separates; The 3rd arrangement of clutch C3 can make to engage between gear ring 21 or the first motor M 1 rotor and the car body fixed parts or separate, can be arranged between the casing of gear ring and sun and planet gear, wherein casing is the car body fixed parts that can not relatively move with car body; Also the 3rd arrangement of clutch C3 can be arranged between the rotor and stator of the first motor M 1 being connected or separating between the gear ring that above dual mode can be realized the first motor M 1 rotor or sun and planet gear and the car body connecting element; The 4th arrangement of clutch C4 can make and engage between the second motor M 2 rotors and the car body fixed parts or separate, and the 4th arrangement of clutch can be arranged between the rotor and stator of the second motor M 2.Transmission gear 3 is arranged between pinion carrier 23 and the wheel drive shaft, the setting of convenient described the 4th arrangement of clutch.The first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 link to each other with control system electricity.
Wherein, Fig. 1 is the utility model hybrid drive preferred embodiment scheme drawing.The first arrangement of clutch, the second arrangement of clutch, the 3rd arrangement of clutch, the 4th arrangement of clutch are arranged at respectively between described the first motor and the described sun and planet gear with one heart in the present embodiment, with described sun and planet gear on same rotation centerline.Such structure design concentrates in together arrangement of clutch, forms clutch pack, can effectively reduce the axial volume of actuating device.
Each arrangement of clutch is by the control system state of a control in this drive system.Each electric machine controller is controlled motor as required as the electrical generator generating or as the direct motor drive vehicle.The Das Gaspedal place is equipped with the pedal depth transducer, and system controls each clutch state by detecting the Das Gaspedal degree of depth, selects the relevant work pattern.
Below with reference to Fig. 4 to Fig. 9 the mode of operation of hybrid electric drive system of the present utility model is described in detail.Hybrid drive described in the utility model has following four kinds of mode of operation:
1. electric-only mode
Driving engine does not start, and the first arrangement of clutch C1, the second arrangement of clutch C2 separate, and the 3rd arrangement of clutch C3, the 4th arrangement of clutch C4 separately drive vehicle by M1, M2, electric-only mode one as shown in Figure 2 jointly; Perhaps the first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3 separate, and the 4th arrangement of clutch C4 engages, and drives separately vehicle launch by electrical motor M1, electric-only mode two as shown in Figure 3; The first arrangement of clutch C1, the second arrangement of clutch C2, the 3rd arrangement of clutch C3 engage, and the 4th arrangement of clutch C4 separately drives separately vehicle by electrical motor M2, electric-only mode three as shown in Figure 4.Electric-only mode can be used for vehicle start, low speed driving (being lower than the first preset vehicle speed of setting) or braking energy and reclaim state.
2. series-parallel connection pattern
Engine starting, power-transfer clutch C1, C2 engage, and power-transfer clutch C3, C4 open, as shown in Figure 5.By motor-powered vehicle, the first motor M 1 and engine speed coupling, the second motor M 2 and motor torque coupling.When this pattern is applicable to this hybrid power system and needs charging by closed-center system electric weight under the static start operating performance or under arbitrary pattern is not enough, can enter the generating of driving a vehicle of this pattern.For making engine operation in the fuel efficient district, control can be controlled the first motor M 1 and 2 generatings of the second motor M.When needs upward slope or load acceleration, the second motor M 2 guarantees like this that for driving engine provides power torque driving engine stably is operated in the fuel-economy district.
3. paralleling model one
Engine starting, the first arrangement of clutch C1 separates, and the second arrangement of clutch C2 engages, and the 3rd arrangement of clutch C3 engages, and the 4th arrangement of clutch C4 separates, and paralleling model one as shown in Figure 6.By motor-powered vehicle, by the planetary wheel appropriate design, designed engines output reduction of speed ratio, be that driving engine is exported than reduction of speed with higher reduction of speed, make engine operation in the fuel-economy district, according to the operating mode needs, when vehicle load is accelerated or climbed, electrical motor M2 torque and motor torque coupling output are for power output increases torque.Middle low speed driving when this oil electricity mixed mode is applicable to vehicle and is lower than the second preset vehicle speed of setting makes the operation interval of driving engine wider, and the design of fuel economy more rationalizes.
4. paralleling model two
First clutch C1 engages, and the second arrangement of clutch C2 separates, and the 3rd arrangement of clutch C3 separates, and the 4th arrangement of clutch C4 engages, and paralleling model two as shown in Figure 7.Set the speed of a motor vehicle when vehicle is higher than second, this moment, driving engine than under can not satisfy the condition that is operated in efficient district at high reduction of speed, continued to operate in efficient district for making driving engine, needed to improve driving engine output reduction of speed ratio, driving engine is slowed down under than the sinking speed ratio export.According to the operating mode needs, when vehicle load is accelerated or is climbed, electrical motor M1 torque and motor torque coupling output.This oil electricity mixed mode is applicable to vehicle and drives at moderate speed, when namely the speed of a motor vehicle is lower than the 3rd preset vehicle speed of setting.
5. engine direct drives pattern
The first arrangement of clutch C1 and the second arrangement of clutch C2 engage, and the 3rd arrangement of clutch C3 and the 4th arrangement of clutch C4 separate, and engine direct drives pattern as shown in Figure 8.When vehicle need be run at high speed, driving engine did not need to slow down to export and can be operated in high velocity, and make the direct driving of driving engine can satisfy it and be operated in the fuel-economy district, then can use this directly to drive pattern this moment.When vehicle is under the decelerating mode, motor M 1, M2 reclaim vehicle energy as electrical generator, are converted into power storage in closed-center system, in order to driving motor.
The utility model drive system applications uses the process of aforesaid way as follows in vehicle:
One, during vehicle launch, driving engine does not start, and uses that an optional pattern starts vehicle and carries out low speed driving in the electric-only mode;
Two, when the speed of a motor vehicle was higher than the first setting speed of a motor vehicle, according to circumstances by an electric motor starting driving engine, drive system entered oily electric mixed mode one;
Three, be higher than second when setting the speed of a motor vehicle when the speed of a motor vehicle is increased to, drive system enters oily electric mixed mode two;
Four, be higher than the 3rd setting speed of a motor vehicle when the speed of a motor vehicle further is increased to, when namely running at high speed, drive system enters the direct drive pattern of driving engine;
Five, when car retardation or braking, system enters the energy take-back model, and motor M 1, M2 make electrical generator at this moment, reclaims braking kinetic energy, is stored in the closed-center system.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to embodiment.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all embodiments exhaustive.And the apparent variation of being extended out thus or change still are among the protection domain of the utility model creation.

Claims (12)

1. a hybrid drive comprises driving engine (1), has output shaft, and the first motor (M1) has rotor and stator; The second motor (M2) has rotor and stator; Planetary gear members (2) and closed-center system (4);
Described planetary gear members comprises gear ring (21), sun wheel (22) and pinion carrier (23), the gear ring of described planetary gear members (21) links to each other with described the first motor (M1) rotor shaft, the sun wheel of described planetary gear members (22) links to each other with described the second motor (M2) rotor shaft, and the pinion carrier of described planetary gear members (23) is connected with this device clutch end;
Described closed-center system (4) is connected with described the first motor (M1), the second motor (M2);
It is characterized in that: also comprise in the described hybrid drive
The first arrangement of clutch (C1), be arranged between described driving engine (1) output shaft and described the first motor (M1) rotor shaft, described driving engine (1) output shaft engages by described first clutch (C1) with described the first motor (M1) rotor shaft or separates; With
The second arrangement of clutch (C2), be arranged between the sun wheel of described engine output shaft and described sun and planet gear, engage by described the second arrangement of clutch (C2) between the sun wheel of described driving engine (1) output shaft and described sun and planet gear or separate; With
Realize engaging or separating by described the 3rd arrangement of clutch (C3) between the 3rd arrangement of clutch (C3), the gear ring (21) of described the first motor (M1) rotor or described sun and planet gear and car body fixed parts; With
The 4th arrangement of clutch (C4) is arranged between described the second motor (M2) rotor and the car body fixed parts, realizes engaging or separating by described the 4th arrangement of clutch (C4) between described the second motor (M2) rotor and the car body fixed parts.
2. hybrid drive according to claim 1, it is characterized in that, described the first arrangement of clutch (C1), the second arrangement of clutch (C2), the 3rd arrangement of clutch (C3), the 4th arrangement of clutch (C4) are arranged at respectively between described the first motor (M1) and the described sun and planet gear (2) with one heart, with described sun and planet gear on same rotation centerline.
3. hybrid drive according to claim 1, it is characterized in that, described the first motor (M1) rotor has hollow shaft, and described driving engine (1) output shaft passes and engages by described the second arrangement of clutch (C2) between the sun wheel (22) of described the first motor (M1) rotor hollow shaft and described sun and planet gear or separate.
4. hybrid drive according to claim 1 is characterized in that, is provided with transmission gear (3) between the pinion carrier of described sun and planet gear (23) and the wheel drive shaft.
5. hybrid drive according to claim 1, it is characterized in that, also comprise a control system, described the first arrangement of clutch (C1), the second arrangement of clutch (C2), the 3rd arrangement of clutch (C3), the 4th arrangement of clutch (C4) link to each other with described control system electricity.
6. hybrid drive according to claim 1, it is characterized in that, described sun and planet gear (2) has outer hull, and described the 3rd arrangement of clutch (C3) is arranged between the gear ring (21) and described housing of described sun and planet gear (2).
7. hybrid drive according to claim 1 is characterized in that, described the 3rd arrangement of clutch (C3) is arranged between described the first motor (M1) rotor and the stator.
8. hybrid drive according to claim 1 is characterized in that, described the first arrangement of clutch (C1) is lamella clutch.
9. hybrid drive according to claim 1 is characterized in that, described the second arrangement of clutch (C2) is lamella clutch;
10. hybrid drive according to claim 1 is characterized in that, described the 3rd arrangement of clutch (C3) is lamella clutch or external contracting drum brake;
11. hybrid drive according to claim 1 is characterized in that, described the 4th arrangement of clutch (C4) is lamella clutch or external contracting drum brake;
12. hybrid drive according to claim 1 is characterized in that, described closed-center system (4) is battery pack or super capacitor.
CN 201220408038 2012-08-17 2012-08-17 Hybrid power driving device Withdrawn - After Issue CN202782641U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN 201220408038 CN202782641U (en) 2012-08-17 2012-08-17 Hybrid power driving device

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Publication Number Publication Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587402A (en) * 2012-08-17 2014-02-19 天津市松正电动汽车技术股份有限公司 Hybrid power driving device
CN103802663A (en) * 2014-01-28 2014-05-21 广东工业大学 Hybrid power system and control method thereof
CN105904957A (en) * 2016-04-12 2016-08-31 安徽欧鹏巴赫新能源科技有限公司 Hybrid power transmission system based on double clutches
CN106183784A (en) * 2016-08-30 2016-12-07 山东科技大学 A kind of oil electric mixed dynamic automatic transmission and method of work thereof
CN108001201A (en) * 2016-10-31 2018-05-08 比亚迪股份有限公司 The power drive system of vehicle and there is its vehicle
WO2021052343A1 (en) * 2019-09-17 2021-03-25 Ningbo Geely Automobile Research & Development Co., Ltd. A hybrid powertrain for a vehicle

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103587402A (en) * 2012-08-17 2014-02-19 天津市松正电动汽车技术股份有限公司 Hybrid power driving device
CN103587402B (en) * 2012-08-17 2017-03-15 天津市松正电动汽车技术股份有限公司 A kind of hybrid drive
CN103802663A (en) * 2014-01-28 2014-05-21 广东工业大学 Hybrid power system and control method thereof
CN103802663B (en) * 2014-01-28 2017-02-01 广东工业大学 Hybrid power system and control method thereof
CN105904957A (en) * 2016-04-12 2016-08-31 安徽欧鹏巴赫新能源科技有限公司 Hybrid power transmission system based on double clutches
CN106183784A (en) * 2016-08-30 2016-12-07 山东科技大学 A kind of oil electric mixed dynamic automatic transmission and method of work thereof
CN106183784B (en) * 2016-08-30 2018-06-05 山东科技大学 A kind of oil electric mixed dynamic automatic transmission and its method of work
CN108001201A (en) * 2016-10-31 2018-05-08 比亚迪股份有限公司 The power drive system of vehicle and there is its vehicle
CN108001201B (en) * 2016-10-31 2021-07-09 比亚迪股份有限公司 Power transmission system of vehicle and vehicle with same
WO2021052343A1 (en) * 2019-09-17 2021-03-25 Ningbo Geely Automobile Research & Development Co., Ltd. A hybrid powertrain for a vehicle

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Granted publication date: 20130313

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