CN103963625A - Single-motor full hybrid power system based on automatic gearbox - Google Patents

Single-motor full hybrid power system based on automatic gearbox Download PDF

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Publication number
CN103963625A
CN103963625A CN201410230137.6A CN201410230137A CN103963625A CN 103963625 A CN103963625 A CN 103963625A CN 201410230137 A CN201410230137 A CN 201410230137A CN 103963625 A CN103963625 A CN 103963625A
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China
Prior art keywords
clutch
torque converter
automatic transmission
hydraulic torque
motor
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Granted
Application number
CN201410230137.6A
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CN103963625B (en
Inventor
李剑波
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Green car technology (Shanghai) Co., Ltd.
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李剑波
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Priority to CN201410230137.6A priority Critical patent/CN103963625B/en
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Publication of CN103963625B publication Critical patent/CN103963625B/en
Expired - Fee Related legal-status Critical Current
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Abstract

The invention discloses a single-motor full hybrid power system based on an automatic gearbox. The single-motor full hybrid power system is characterized by mainly comprising an engine (1), a motor (9), a controller (10), a power battery (11), a first clutch (2) and a second clutch (35), wherein the motor (9) is integrated on the upper part of an automatic gearbox (3); the controller (10) is connected with the motor (9); the power battery (11) is connected with the controller (10) and supplies electric energy to the motor (9); a driving disc of the first clutch (2) is connected with the output end of a bent axle of the engine (1) while a driven disc of the first clutch (2) is connected with an input shaft (31) of the automatic gearbox (3); the second clutch (35) is arranged between the fifth gear of the automatic gearbox (3) and an output shaft (34) of the automatic gearbox (3). The single-motor full hybrid power system is high in transmission efficiency, low in manufacturing cost, and capable of realizing all functions of the full hybrid power system (including a plug-in hybrid power system) and also ensuring continuity of power transmission of AMT.

Description

A kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter
Technical field
The present invention relates to deep hybrid power system technical field, specifically refer to that one is applicable to the single motor deep hybrid system based on automatic transmission with hydraulic torque converter of deep hybrid power vehicle (HEV) and plug-in hybrid electric vehicle type (PHEV).
Background technology
At present, All Around The World is all faced with the energy shortage and the ecological deterioration problem that are on the rise, seeks society, economy and resource, environment is mutually promoted is becoming worldwide trend with the mode of sustainable development developing in harmony.Under this background, electric vehicle engineering becomes a large focus in automotive research field; Mixed power electric car is compared with fuel-engined vehicle with electronlmobil, there is the comprehensive advantage of high-effect, low energy consumption and the aspect such as oligosaprobic feature and technology, economy, environment and Facilities Construction, the form of hybrid electric vehicle power system is varied, has haply series, parallel and series-parallel connection three basic structures.Mixed power electric car has adopted electrical motor and driving engine dual power source as its engine installation simultaneously, by advanced control system, two kinds of engine installation organic coordinations are coordinated, to realize, best power source distributes, energy management, reaches low energy consumption, oligosaprobic object.And in the variation of mixed power electric car, deep hybrid power and plug-in hybrid can significantly reduce fuel oil consumption and improve discharge, increase cost and technology maturity analysis from car load, be the most reasonably, the engineering selection of easier commercialization.
At present, external large car company has released hybrid electric vehicle one after another, as Toyota Prius, general Tahoe, benz S400Hybrid, BMW ActiveHybrid7 etc., its vehicle driving system has adopted planetary gear structure substantially, there is compact conformation, integrated level high, belong to deep hybrid power system.But these hybrid electric vehicles are but had relatively high expectations to processing technology, its cost of manufacture is comparatively expensive.Therefore, researching and developing a kind of efficient, reliable, low, the easy realization of cost deep hybrid power system highly integrated and batch manufacturing that is applicable to existing China's actual conditions and meets existing processing, manufacturing capacity is extremely urgent thing.
Summary of the invention
The object of the invention is to overcome the defect that the existing complex structure of deep hybrid power system, processing technology are had relatively high expectations at present, cost is comparatively expensive abroad, provide one not only simple in structure, and meet a kind of a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter of realizing highly integrated and batch manufacturing of China's processing, manufacturing capacity.
Object of the present invention is achieved through the following technical solutions: a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter, mainly by driving engine, be integrated in the electrical motor on automatic transmission with hydraulic torque converter top, the controller being connected with electrical motor, be connected with controller and provide the electrokinetic cell of electric energy for electrical motor, the first clutch that driving disc spacing pressing is connected with the crankshaft output end of driving engine, clutch plate is connected with the input shaft of automatic transmission with hydraulic torque converter, and be arranged on the second clutch composition between the output shaft of the 5th grade of automatic transmission with hydraulic torque converter and automatic transmission with hydraulic torque converter.
Further, described first clutch is dry type clutch or liquid clutch, and described automatic transmission with hydraulic torque converter is electric control mechanical type automatic speed variator.
In order to ensure result of use and transmission efficiency, described second clutch is by the driven gear being connected with output shaft, be arranged on the splined hub on output shaft, be enclosed within this splined hub outside and can make along its surface axially movable sliding hub, the clutch yoke matching with the annular groove of sliding hub outside face, and the second clutch controller composition being connected with clutch yoke.
In order to ensure reliability of structure, the endoporus of described driven gear is rotated and is connected with output shaft by needle bearing, the outside cylinder that driven gear is abutted against trap side has male splines to engage gear ring, and the inner spline gear that the male splines of driven gear engages gear ring and sliding hub matches.
In order to ensure the stability of structure, the housing of described electrical motor and the housing of automatic transmission with hydraulic torque converter are connected as a single entity or are integrated.
In order to ensure the reasonableness of structure, between the transmission gear of motor output shaft and the driving gear of the 5th grade of automatic transmission with hydraulic torque converter, be also provided with transition gear.
The present invention compares and has the following advantages and beneficial effect compared with prior art:
(1) high, the low cost of manufacture of driving efficiency of the present invention, can realize the repertoire of the degree of depth (containing plug-in) hybrid power system, can also guarantee the continuity of AMT transferring power simultaneously, it is simple in structure, axial dimension is short, is easy to arrange, economy and emission performance effect are remarkable.
(2) the present invention, compared with existing single motor deep hybrid system, has not only saved a set of baroque coupled clutch and relevant maneuvering system, and system architecture of the present invention is simpler, axial dimension is shorter, it is easier to control.
(3) electrical motor maximum speed of revolution of the present invention is not pind down by engine speed, the coupling pot motor outside can be independently, thus can improve significantly motor efficiency, dwindle oad.
(4) the present invention possesses two kinds of patterns of stopping for charging pattern and driving engine driving charging simultaneously, can effectively overcome traditional single electric system and can only have the defect of single charge mode.
(5) power system of the present invention has been cancelled the front train air-conditioning compressor of traditional starter, driving engine, conventional electric generators and the hydraulic steering pump of driving engine, and has suitably reduced the capacity of starting storage battery, thereby has reduced significantly the complexity of system.
(6) the invention belongs to parallel deep hybrid power system, when engine drive, SOC is electric weight Holdover mode, therefore, and electrokinetic cell and larger instantaneous (peak value) power of electronic function output.In engine-driven shift process, according to the speed of a motor vehicle, throttle opening, SOC parameter, by control engine and electrical motor, the power of instantaneous direct driving vehicle is provided by electrical motor, and reduce the master and slave Moving plate speed discrepancy of first clutch, shorten the gearshift time, reduce torque shock ends, to guarantee the continuity of power and to avoid occurring in shift process pause and transition in rhythm or melody sense.
Brief description of the drawings
Fig. 1 is list motor deep hybrid system structural representation of the present invention;
Fig. 2 is list motor deep hybrid system floor plan block diagram of the present invention;
Fig. 3 is second clutch structural representation of the present invention.
Wherein, the Reference numeral in above accompanying drawing is respectively:
1-driving engine, 2-first clutch, 3-automatic transmission with hydraulic torque converter, 4-main reduction gear, 5-diff, 6-wheel, 7-transition gear, 8-transmission gear, 9-electrical motor, 10-controller, 11-electrokinetic cell, 31-input shaft, 32-driving gear, 33-driven gear, 34-output shaft, 35-second clutch, 351-sliding hub, 352-splined hub, 353-male splines engages gear ring, 354-annular groove.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Embodiment
As shown in Figure 1, 2, the present invention mainly includes driving engine 1, first clutch 2, automatic transmission with hydraulic torque converter 3, main reduction gear 4, diff 5, wheel 6, transition gear 7, electrical motor 9, controller 10, electrokinetic cell 11 and second clutch 35 these several major parts.Wherein, the crankshaft output end of driving engine 1 is connected with the driving disc spacing pressing of first clutch 2, and the clutch plate of this first clutch 2 is connected with the input shaft 31 of automatic transmission with hydraulic torque converter 3; Controller 10 is connected with electrical motor 9, and electrical motor 9 is accepted the control of controller 10; Second clutch 35 is arranged between the output shaft 34 of the 5th grade of automatic transmission with hydraulic torque converter 3 and automatic transmission with hydraulic torque converter 3; Electrokinetic cell 11 is realized high pressure by controller 10 with electrical motor 9 and is connected, and provides electric energy for it.
When hybrid power operation, driving engine 1 is coupled by driving gear 32 or the output shaft 34 of automatic transmission with hydraulic torque converter 3 with the power of electrical motor 9, and transmits and drive power to wheel 6 through output shaft 34, main reduction gear 4, diff 5.
In order to reduce as much as possible System Construction and size, described electrical motor 9 is preferentially integrated on automatic transmission with hydraulic torque converter 3, and the housing of the housing of this electrical motor 9 and automatic transmission with hydraulic torque converter 3 is connected as a single entity or is integrated, to realize modular design.In order to guarantee as much as possible the transmission of power effect between electrical motor 9 and automatic transmission with hydraulic torque converter 3, if desired, between the transmission gear 8 of electrical motor 9 output shafts and the driving gear 32 of the 5th grade of automatic transmission with hydraulic torque converter 3, be also provided with transition gear 7, the transmission gear 8 of the output shaft of electrical motor 9 is intermeshing with the driving gear 32 of the 5th grade of automatic transmission with hydraulic torque converter 3 through transition gear 7.
First clutch 2 can adopt dry type clutch to realize, and also can adopt liquid clutch to realize.In order to ensure result of use, first clutch in the embodiment of the present invention 2 is preferential adopts AMT transmission assembly supporting has the dry type clutch of auto-compensation wearing clearance function.Meanwhile, automatic transmission with hydraulic torque converter 3 adopts electric control mechanical type automatic speed variator to realize.
The structure of second clutch 35 as shown in Figure 3, it is by the driven gear 33 being connected with output shaft 34, be arranged on the splined hub 352 on output shaft 34, be enclosed within these splined hub 352 outsides and can make along its surface axially movable sliding hub 351, the clutch yoke matching with the annular groove 354 of sliding hub 351 outside faces, and the second clutch controller composition being connected with clutch yoke
Wherein, driven gear 33 side outside cylinder are provided with male splines and engage gear ring 353, and the endoporus of driven gear 33 is rotated and is connected with output shaft 34 by needle bearing.Output shaft 34 with the connection location of splined hub 352 on be provided with male splines.The external cylindrical surface of sliding hub 351 is processed with the annular groove 354 mating with clutch yoke, in it, on the inwall of ring, is provided with female splines.On the endoporus of splined hub 352 and external cylindrical surface, be all processed with spline, the male splines on its female splines and output shaft 34 is connected, and makes axial location with packing ring and snap ring, and its male splines is made sliding block joint with the female splines of sliding hub 351.When use, action is stirred in the second clutch controller control clutch yoke, thereby sliding hub 351 is moved axially along splined hub 352, and then realizes joint between driven gear 33 and output shaft 34 and separate.
When use, in the time that clutch yoke is stirred annular groove 354 on sliding hub 351 external cylindrical surfaces and is moved axially to driven gear 33 directions, the inner spline gear of sliding hub 351 keeps with the external spline teeth sliding block joint of splined hub 352 and engages gear ring 353 with the male splines of driven gear 33 side outside cylinder being connected, and now second clutch 35 engages.
The automatic transmission with hydraulic torque converter 3 of the embodiment of the present invention is provided with 6 gears, and wherein 1~5 grade is forward gear, and R shelves are reverse, and the 5th grade is high speed gear.
Power system of the present invention mainly comprises following several mode of operation:
1, idling warming-up/idle stop mode of operation.Before the cold machine band of driving engine 1 carries and uses and move, because the water temperature of driving engine 1 is lower, ternary catalyzing unit not yet reaches normal working temperature, machine oil also not to lubricated in cylinder, system should enter idling warming-up pattern in advance, and rear engine 1 restarts and prepares fast for it; System control is started push button signalling etc. according to battery SOC, gear position operation bar position switch signal, brake pedal on-off signal, driving engine 1, the idling of can stopping warming-up and idling warming-up under pure electronic mode of operation.
Parking idling warming-up.Now vehicle is in dead ship condition, and second clutch 35 separates (between driven gear 33 and output shaft 34, separating), automatic transmission with hydraulic torque converter 3 automatic hangings and enters the 5th grade, first clutch 2 and engage; Electrical motor 9 starts and turns round, and its outputting power passes to driving engine 1 through transmission gear 8, transition gear 7, driving gear 32, input shaft 31, the first clutch 2 of the 5th grade; After driving engine 1 starting, first clutch 2 separates, and driving engine 1 keeps tickover, and system enters idling warming-up pattern; In the time that the water temperature of driving engine 1 reaches preset value, system switches to idle stop pattern, and driving engine 1 shuts down.
And under pure electronic mode of operation idling warming-up and following engine working mode principle basic identical, different: after driving engine 1 starting, first clutch 2 separates, and driving engine 1 keeps tickover, and system enters idling warming-up pattern under pure electronic mode of operation.
2, stopping for charging mode of operation.Now vehicle is in dead ship condition, and the electric weight of electrokinetic cell 11 is lower than setting value, and system is by parking idling warming-up mode of operation fire an engine 1; After starting, driving engine 1 is operated in minimum stable and above rotating speed, and first clutch 2 maintains joint, and electrical motor 9 quits work; The power of driving engine 1 passes to electrical motor 9 through first clutch 2, input shaft 31, driving gear 32, transition gear 7, the transmission gear 8 of the 5th grade and makes its rotation generating, for electrokinetic cell 11 charges.
3, pure electronic mode of operation.When the electric weight of electrokinetic cell 11 is during in normal range, vehicle is with electric-only mode work; Now driving engine 1 stops standby, and first clutch 2 separates, second clutch 35 engages, automatic transmission with hydraulic torque converter 3 automatic hangings enter neutral gear; Electrokinetic cell 11 via controllers 10 are given electrical motor 9 transmission of electric energy, the outputting power of electrical motor 9 is delivered to wheel 6 through transmission gear 8, transition gear 7, driving gear 32, second clutch 35, output shaft 34, main reduction gear 4 and the diff 5 of the 5th grade, drives Vehicle Driving Cycle.
Note: pure electronic and following mode of operation, second clutch 35 is all located engagement state (engaging between driven gear 33 and output shaft 34), no longer repeats.
4, engine working mode.Under electric-only mode, along with the lifting of the speed of a motor vehicle, when vehicle power demand is positioned at the fuel efficient district of driving engine 1 or electrokinetic cell dump energy when lower, automatic transmission with hydraulic torque converter 3 enters corresponding gear according to the speed of a motor vehicle, acceleration pedal aperture automatic hanging, first clutch 2 engages gradually, electrical motor 9, in continuing to drive vehicle speed-raising, distributes certain power to pass to driving engine 1 through transmission gear 8, transition gear 7, the driving gear 32 of the 5th grade, corresponding shifting gear, input shaft 31, first clutch 2; Driving engine 1 starts, system switches to engine working mode, the outputting power of driving engine 1 passes to wheel 6 through first clutch 2, input shaft 31, corresponding shifting gear, output shaft 34, main reduction gear 4, diff 5 and drives Vehicle Driving Cycle, and now electrical motor 9 quits work and proceeds to servo-actuated state; If the dump energy of electrokinetic cell 11 is lower, the power of driving engine 1 is except driving vehicle, also a part of output excess power is passed to electrical motor 9 through driving gear 32, transition gear 7, transmission gear 8, electrical motor 9 is worked in the mode of electrical generator, and charges for electrokinetic cell 11.
5, combination drive mode of operation.System held is at engine working mode, when vehicle power demand exceedes in the fuel efficient district of driving engine 1 in limited time, system is under engine working mode, electrical motor 9 also participates in driving Vehicle Driving Cycle, be that driving engine 1 is coupled by driving gear 32 or output shaft 34 with the power of electrical motor 9, and transmit and drive power to wheel 6 through output shaft 34, main reduction gear 4, diff 5; Now system switches to combination drive mode of operation by engine working mode.
6, slide/braking energy feedback pattern.When release the gas pedal or while stepping on brake pedal, system enters and slides/braking energy feedback pattern, vehicle energy passes to electrical motor 9 by wheel 6, diff 5, main reduction gear 4, output shaft 34, corresponding shifting gear, driving gear 32, transition gear 7, transmission gear 8 and makes its rotation, electrical motor 9 is converted to electric energy in electrical generator mode by kinetic energy, charges to electrokinetic cell 11; The joint that first clutch 2 is controlled SOC according to the speed of a motor vehicle, brake pedal aperture, electrokinetic cell 11 in now system control with separate.
7, reversing mode of operation.At electrokinetic cell SOC, during in range of normal value, system is with electric-only mode work, and controller 10 is controlled electrical motor 9 contrarotations and driven vehicle backings; In the time that SOC drops to setting value, fire an engine 1, system is pressed orthodox car mode by automatic transmission with hydraulic torque converter 3 reverse drive vehicle backings, and electrical motor 9 is parallel in system, regulates driving engine 1 to work in low oil consumption district in electrical generator mode, and charges to electrokinetic cell 11.
As mentioned above, just can well realize the present invention.

Claims (7)

1. the single motor deep hybrid system based on automatic transmission with hydraulic torque converter, it is characterized in that, mainly by driving engine (1), be integrated in the electrical motor (9) on automatic transmission with hydraulic torque converter (3) top, the controller (10) being connected with electrical motor (9), be connected with controller (10) and be the electrokinetic cell (11) that electrical motor (9) provides electric energy, driving disc spacing pressing is connected with the crankshaft output end of driving engine (1), the first clutch (2) that clutch plate is connected with the input shaft (31) of automatic transmission with hydraulic torque converter (3), and be arranged on second clutch (35) composition between the output shaft (34) of the 5th grade of automatic transmission with hydraulic torque converter (3) and automatic transmission with hydraulic torque converter (3).
2. a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter according to claim 1, is characterized in that, described first clutch (2) is dry type clutch or liquid clutch.
3. a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter according to claim 2, it is characterized in that, described second clutch (35) is by the driven gear (33) being connected with output shaft (34), be arranged on the splined hub (352) on output shaft (34), be enclosed within this splined hub (352) outside and can make along its surface axially movable sliding hub (351), the clutch yoke matching with the annular groove (354) of sliding hub (351) outside face, and the second clutch controller composition being connected with clutch yoke.
4. a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter according to claim 3, it is characterized in that, the endoporus of described driven gear (33) is rotated and is connected with output shaft (34) by needle bearing, the outside cylinder that driven gear (33) is abutted against trap (351) side has male splines to engage gear ring (353), and the male splines of driven gear (33) engages gear ring (353) and matches with the inner spline gear of sliding hub (351).
5. according to a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter described in claim 1~4 any one, it is characterized in that, described automatic transmission with hydraulic torque converter (3) is electric control mechanical type automatic speed variator.
6. a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter according to claim 5, is characterized in that, the housing of the housing of described electrical motor (9) and automatic transmission with hydraulic torque converter (3) is connected as a single entity or is integrated.
7. a kind of single motor deep hybrid system based on automatic transmission with hydraulic torque converter according to claim 6, it is characterized in that, between the transmission gear (8) of electrical motor (9) output shaft and the driving gear (32) of the 5th grade of automatic transmission with hydraulic torque converter (3), be also provided with transition gear (7).
CN201410230137.6A 2014-05-28 2014-05-28 A kind of single motor deep hybrid system based on automatic transmission Expired - Fee Related CN103963625B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107933283A (en) * 2017-11-15 2018-04-20 上海依相动力系统有限公司 A kind of twin shaft input hybrid power system and driving method
CN108045216A (en) * 2017-11-15 2018-05-18 上海依相动力系统有限公司 A kind of motor is from one axis coupling input hybrid power system of gearbox

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1378924A (en) * 2001-03-30 2002-11-13 卢克摩擦片和离合器两合公司 Power driving system
WO2011107133A1 (en) * 2010-03-03 2011-09-09 Daimler Ag Drive train for a motor vehicle
CN201970847U (en) * 2011-01-28 2011-09-14 同济大学 Coach driving system with double clutch plug-in hybrid power
KR20130115618A (en) * 2012-04-12 2013-10-22 현대위아 주식회사 Automated manual transmission of hybrid vehicle
CN103552461A (en) * 2013-10-16 2014-02-05 浙江吉利控股集团有限公司 Hybrid power system based on double-clutch automatic transmission and vehicle
CN203854501U (en) * 2014-05-28 2014-10-01 李剑波 Single-motor full hybrid power system based on automatic transmission

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1378924A (en) * 2001-03-30 2002-11-13 卢克摩擦片和离合器两合公司 Power driving system
WO2011107133A1 (en) * 2010-03-03 2011-09-09 Daimler Ag Drive train for a motor vehicle
CN201970847U (en) * 2011-01-28 2011-09-14 同济大学 Coach driving system with double clutch plug-in hybrid power
KR20130115618A (en) * 2012-04-12 2013-10-22 현대위아 주식회사 Automated manual transmission of hybrid vehicle
CN103552461A (en) * 2013-10-16 2014-02-05 浙江吉利控股集团有限公司 Hybrid power system based on double-clutch automatic transmission and vehicle
CN203854501U (en) * 2014-05-28 2014-10-01 李剑波 Single-motor full hybrid power system based on automatic transmission

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107933283A (en) * 2017-11-15 2018-04-20 上海依相动力系统有限公司 A kind of twin shaft input hybrid power system and driving method
CN108045216A (en) * 2017-11-15 2018-05-18 上海依相动力系统有限公司 A kind of motor is from one axis coupling input hybrid power system of gearbox
CN107933283B (en) * 2017-11-15 2021-01-08 上海依相动力系统有限公司 Double-shaft input hybrid power system and driving method

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