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CN108394265A - Double planet wheel rows of mixing multimodal fusion power vehicle power drive system - Google Patents

Double planet wheel rows of mixing multimodal fusion power vehicle power drive system Download PDF

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Publication number
CN108394265A
CN108394265A CN201810132714.6A CN201810132714A CN108394265A CN 108394265 A CN108394265 A CN 108394265A CN 201810132714 A CN201810132714 A CN 201810132714A CN 108394265 A CN108394265 A CN 108394265A
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CN
China
Prior art keywords
clutch
power
power source
gear
gear ring
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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.)
Granted
Application number
CN201810132714.6A
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Chinese (zh)
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CN108394265B (en
Inventor
胡明辉
苏炎召
苏岭
秦大同
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Chongqing University
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Chongqing University
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Priority to CN201810132714.6A priority Critical patent/CN108394265B/en
Publication of CN108394265A publication Critical patent/CN108394265A/en
Application granted granted Critical
Publication of CN108394265B publication Critical patent/CN108394265B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/22Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
    • B60K6/36Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings
    • B60K6/365Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the transmission gearings with the gears having orbital motion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/42Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
    • B60K6/44Series-parallel type
    • B60K6/442Series-parallel switching type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K6/00Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
    • B60K6/20Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
    • B60K6/50Architecture of the driveline characterised by arrangement or kind of transmission units
    • 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
    • Y02T10/62Hybrid vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Hybrid Electric Vehicles (AREA)
  • Arrangement Of Transmissions (AREA)

Abstract

The invention discloses a kind of double planet wheel rows of mixing multimodal fusion power vehicle power drive systems; one end of first planet carrier forms clutch connection by first clutch and the second gear ring; its other end forms clutch connection by second clutch and the first gear ring, and the first sun gear is connect by the first transmission shaft with the first power source;One end of second planet carrier is connect with brake, and the other end forms clutch connection by third clutch and first gear ring;Second sun gear is connect by second driving shaft with second power source, and the second gear ring passes through deceleration device and the power output axis connection;Controller is electrically connected with first clutch, second clutch, third clutch, brake and each power source.The present invention is only realized by two planet row driving devices adapts to three kinds of low speed, middling speed, the inputting, is compound of high speed, output power dividing patterns respectively under E CVT combination drives, transmission system operational efficiency can be improved in whole service vehicle speed intervals, improve vehicle fuel economy.

Description

Double planet wheel rows of mixing multimodal fusion power vehicle power drive system
Technical field
The present invention relates to Mobile Power Transmission fields, and in particular to double planet wheel rows of mixing multimodal fusion power vehicle powertrain System.
Background technology
It is energy saving to have become current international society with environmentally friendly with the worsening of the continuous aggravation and ecological environment of energy crisis The two principal themes that can be paid close attention to.National governments launch respectively relevant policies, encourage and facilitate the research and development of new-energy automobile.This its In, fuel cell car and pure electric automobile are difficult to popularize in a short time due to technical reason.Therefore the mixing as transitional product Power vehicle is increasingly taken seriously.As current most effective energy-saving automobile scheme, the power assembly system of hybrid vehicle System has the systems such as series, parallel, connection in series-parallel, planet row power dividing, wherein since planet row power dividing device passes through motor Speed regulation capacity have the function of making engine speed to be decoupled with vehicle wheel rotational speed so that vehicle has preferable under big multi-state Fuel economy, so more being favored by major producer.
According to the connection type between each node of planet row and power source, power dividing device is again with input power point Stream, hybrid power shunting, output power diverter function.Wherein, the Toyota equipped with single single-mode input power part flow arrangement Pruis vehicle sales volumes are in leading position in row, carry the lucky Deidro Deluxe vehicle skill of double single mode hybrid power part flow arrangement Art also reaches its maturity, and sale is also to climb up and up, while the Chevrolet Volt vehicles equipped with output power part flow arrangement are also same Sample shows the excellent market share, in addition, carrying has input power shunting related to the GM of hybrid power shunt mode Vehicle is due to equally outstanding with higher fuel economy market manifestation.But it is existing with power dividing type power coupling mechanism Based on hybrid drive train, under E-CVT combination drive patterns, if only with input diffluence formula, only be applicable in In running at a low speed operating mode, high speed or high-speed working condition drive system efficiency decline;If only with hybrid power shunt mode, fit For high speed driving cycle, and drive system efficiency can also decline under speed operation or high-speed working condition;Using input and again Close power dividing bimodulus system, under low speed, high speed operating mode have higher transmission efficiency, but under high-speed working condition efficiency according to It can so decline, and reduce vehicle fuel economy.
Therefore, it is necessary to being improved to hybrid drive train power dividing power coupling mechanism in the prior art and Optimization design, proposition one kind, which has, the various modes such as inputs, is compound, exporting, connect, adaptation low speed, middling speed, high speed full working scope, And the relatively easy reliable power drive system of structure.
Invention content
It is an object of the invention to solve the above-mentioned drawback present in existing hybrid drive train, a kind of duplicate rows is provided Star arranges multimodal fusion power vehicle power drive system, has the various modes such as input, compound, output, series connection, is adapted to low Speed, middling speed, high speed full working scope, and it is simple and reliable for structure.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of double planet wheel rows of mixing multimodal fusion power vehicle power drive system, the system comprises:Brake;
Power source, including the first power source, the second power source and third power source;
Gear ring, including the first gear ring and the second gear ring, first gear ring pass through third transmission shaft and the third power Source, which is formed, to be drivingly connected;
First planet row driving device, including first planet carrier, the first sun gear and with first sun gear and First planetary gear of one gear ring engagement;One end of the first planet carrier by first clutch and second gear ring formed from Close connection, the other end forms clutch connection by second clutch and first gear ring, and first sun gear passes through the One transmission shaft is connect with first power source;
Second planet row driving device, including the second planet carrier, the second sun gear and with second sun gear and The second planetary gear that two gear rings engage respectively;One end of second planet carrier is connect with the brake, and the other end passes through Third clutch forms clutch connection with first gear ring;Second sun gear is dynamic with described second by second driving shaft Power source connects, and second gear ring passes through deceleration device and the power output axis connection;
Controller electrically connects with the first clutch, second clutch, third clutch, brake and power source It connects.
By controller to the brake, first clutch, second clutch and third clutch carry out individually or Clutch for clutch control is combined, the system is controlled and is in electric-only mode, series model, E-CVT combination drives pattern and mixing in parallel Drive mode.
The series model is to be in discrete state by controller the control first clutch and third clutch, It controls the second clutch simultaneously and brake is in bonding state.
The E-CVT combination drive patterns include input power shunt mode, hybrid power shunt mode and output work Rate shunt mode;
The output power shunt mode is to be in by controller the control second clutch and third clutch Bonding state, while controlling the first clutch and brake is in discrete state.
Combination drive pattern in parallel includes that one grade of combination drive pattern in parallel is kept off with combination drive pattern two in parallel, for carrying High vehicle dynamic quality;
One grade of the parallel connection combination drive pattern for by the controller control first clutch, second clutch and Third clutch is in bonding state, while controlling the brake and being in discrete state;
The parallel connection combination drive pattern two is kept off is in discrete state to control the third clutch by controller, together When control first clutch, second clutch and the brake be in bonding state.
The system also includes braking modes, and controlling the brake by controller is in bonding state, simultaneously Control first power source and/or the second power source provide braking moment and balancing moment.
The third power source is engine, and first power source and the second power source are motor.
Torsional vibration damper is equipped between the third transmission shaft and the third power source.
The deceleration device includes reduction gear, differential mechanism and final gear, and the differential mechanism is separately connected institute The reduction gear and final gear stated, and with the power output axis connection, the reduction gear passes through same Step gear is engaged with second gear ring.
Technical solution of the present invention has the following advantages that:
A. multi power source multimode dynamic coupling device of the invention only realizes E-CVT by two planet row driving devices Adapt to three kinds of low speed, middling speed, the inputting, is compound of high speed, output power dividing patterns under combination drive respectively, and with can be used for Increase the series model of pure motor driving mileage, transmission system operational efficiency can be improved in whole service vehicle speed intervals, improved Vehicle fuel economy.
B. brake B1 of the present invention is connected on the second planet carrier, in conjunction with the third between the first gear ring and the second planet carrier from Clutch, can locking engine, prevent engine from reversing, reduce engine, transmission shaft, brake or clutch arrangement, optimization System structure, keeps the system structure relatively easy easy.
C. the present invention is under the driving of E-CVT hybrid powers, when the first power source or the second power source are near zero-turn speed Work is in first or two near mechanical points, can improve transmission system by switching to combination drive pattern 1 or 2 in parallel Efficiency improves vehicle fuel economy.
Description of the drawings
It, below will be to needed in specific implementation mode in order to illustrate more clearly of the specific embodiment of the invention Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is some embodiments of the present invention, for this field For those of ordinary skill, without creative efforts, other drawings may also be obtained based on these drawings.
Fig. 1 is power drive system figure provided by the present invention.
It is identified in figure as follows:
The first power sources of 1-;2- synchromesh gears;3- first clutches;The first planetary gears of 4-;
The first gear rings of 5-;6- second clutches;7- third clutches;8- brakes;
The second power sources of 9-;10- third transmission shafts;11- second driving shafts;12- torsional vibration dampers;
13- third power sources;The second sun gears of 14-;The second planetary gears of 15-;The second planet carriers of 16-;
The second gear rings of 17-;18- first planet carriers;19- final gears;20- differential mechanisms;
21- power output shafts;22- reduction gears;The first sun gears of 23-;The first transmission shafts of 24-.
Specific implementation mode
Technical scheme of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill The every other embodiment that personnel are obtained without making creative work, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of double planet wheel rows of mixing multimodal fusion power vehicle power drive system provided by the present invention, packet It includes:Brake 8, power source, gear ring, the first planet row driving device, the second planet row driving device and controller etc.;It is therein Power source includes the first power source 1, the second power source 9 and third power source 13;Gear ring includes the first gear ring 5 and the second gear ring 17, the first gear ring 5 is formed by third transmission shaft 10 and third power source 13 and is drivingly connected.The first power source in the present invention and Second power source is preferably motor, and third power source is preferably engine.
First planet row driving device therein include first planet carrier 18, the first sun gear 23 and with the first sun gear 23 With the first planetary gear 4 of the first gear ring 5 engagement;One end of first planet carrier 18 passes through 17 shape of first clutch 3 and the second gear ring At clutch connection, the other end forms clutch connection by second clutch 6 and the first gear ring 5, and the first sun gear 23 passes through the One transmission shaft 24 is connect with the first power source 1.
Second planet row driving device provided by the present invention includes the second planet carrier 16, the second sun gear 14 and with second The second planetary gear 15 that sun gear 14 and the second gear ring 17 engage respectively;One end of second planet carrier 16 is connect with brake 8, The other end forms clutch connection by third clutch 7 and the first gear ring 17;Second sun gear 14 by second driving shaft 11 with Second power source 9 connects, and the second gear ring 17 is connect by deceleration device with power output shaft 21.Deceleration device therein includes subtracting Fast gear mechanism 22, differential mechanism 20 and final gear 19, differential mechanism 20 are separately connected reduction gear 22 and main reducing gear Wheel 19, and connect with power output shaft 21, reduction gear 22 is engaged by synchromesh gear 2 with the second gear ring 17.
Brake 8, first clutch 3, second clutch 6 and third clutch 7 can be carried out individually by controller Or combination clutch for clutch control, control vehicle are in electric-only mode, series model, E-CVT combination drives pattern and combined drive in parallel Dynamic model formula is suitble to low speed, middling speed and runs at high speed.
The multi power source multimode dynamic coupling system of the present invention only realizes E-CVT mixing by two rows of planetary gear mechanisms Adapt to three kinds of low speed, middling speed, the inputting, is compound of high speed, output power dividing patterns under driving respectively, and with can be used for increasing The series model of pure motor driving mileage.Transmission system operational efficiency can be improved in whole service vehicle speed intervals, improve vehicle Fuel economy.
Brake B1 of the present invention is connected on the second planet carrier, in conjunction with the third clutch between the first gear ring and the second planet carrier Device, can locking engine, prevent engine from reversing, reduce engine, transmission shaft, brake or clutch arrangement, optimize System structure keeps system structure relatively easy easy.
Just the typical mode of operation of the hybrid power transmission system of the present invention and corresponding power transmission line work have below Body describes:
1 typical mode of operation of table
Note:0 indicates clutch or brake discrete state, and 1 indicates clutch or brake bonding state.CL1、CL2、 CL3, B1 indicate first clutch, second clutch, third clutch and brake respectively.
1. electric-only mode:
Electric-only mode 1:When vehicle load is not high, brake B1 by the second planet carrier locking, first clutch CL1, Second clutch CL2 and third clutch CL3 is in discrete state, and the first power source and third power source remain static, Torque is transferred to power output shaft by the second gear ring as power source and drives vehicle operation by only the second power source.
Electric-only mode 2:When vehicle load is higher and only the second power source is difficult to that vehicle is driven to run, brake B1 is still The second planet carrier of locking, second clutch CL2 still in discrete state, first combine third clutch CL3 make third power source by B1 lockings, then in conjunction with first clutch CL1, the first power source and the common driving vehicle operation of the second power source torque coupling.
2. series model:When battery capacity is insufficient and entire car controller judges the series model system effectiveness higher, the One clutch CL1 and third clutch CL3 is in discrete state, and brake B1 and second clutch CL2 are in bonding state, this When generated electricity by the first power source of driven by engine, come maintain the second power source drive vehicle run, to increase the pure electricity of vehicle Dynamic driving continual mileage, this pattern are also referred to as range-extended electric pattern.
The present invention includes three patterns in E-CVT hybrid modes, respectively input power shunt mode, compound work( Rate shunt mode and output power shunt mode.
3. input power shunt mode:When vehicle is in E-CVT hybrid modes and runs on speed operation, separation Second clutch CL2 and third clutch CL3, in conjunction with first clutch CL1 and brake B1, into E-CVT combined drive dynamic models Formula 1, i.e. input power shunt mode, which adjusts third power source acceptable operating point by the first power source, whole to improve Vehicle fuel economy.
4. hybrid power shunt mode:When vehicle is in E-CVT hybrid modes and runs on high speed operating mode, knot First clutch CL1 and third clutch CL3 is closed, second clutch CL2 and brake B1 is detached, into E-CVT combination drives Pattern 2, i.e. hybrid power shunt mode, the pattern can adjust engine operation jointly by the first power source and the second power source Operating point, to improve vehicle fuel economy.
5. output power shunt mode:When vehicle is in E-CVT hybrid modes and runs on high-speed working condition, in conjunction with Second clutch CL2 and third clutch CL3 detaches first clutch CL1 and brake B1, into E-CVT combined drive dynamic models Formula 3, i.e. output power shunt mode, which can adjust third power source speed operating point by the second power source, to improve Vehicle fuel economy.
The present invention can also realize following combination drive pattern in parallel and regenerative braking mould by transmission system shown in Fig. 1 Formula.
6. combination drive pattern in parallel:Including combination drive pattern 1 in parallel and combination drive pattern 2 in parallel.
When combining first clutch CL1, second clutch CL2 and third clutch CL3, detach brake B1, then first The one gear hybrid power driving of power source, the second power source and the coupling of third power source torque;
When combining first clutch CL1, second clutch CL2 and brake B1, detach third clutch CL3, then first The two gear hybrid power driving of power source, the second power source and the coupling of third power source torque.
When vehicle is in the first power source of E-CVT combination drives pattern or the second power source speed near zero, due to It still needs to provide coordinating torque under first power source or the second power source zero-turn speed, efficiency is low and service condition is harsh, by closing The parallel hybrid power drive mode 1 or 2 of three power source torques coupling can be realized by closing first clutch CL1 or brake B1, with Raising system overall efficiency improves vehicle fuel economy.In addition, vehicle can be improved by combination drive pattern 1 or 2 in parallel Dynamic property adapts to heavy load operating status.
The present invention is under the driving of E-CVT hybrid powers, when the first power source or the second power source are in zero-turn speed work nearby Make, that is, be in first or two near mechanical points, transmission system effect can be improved by switching to combination drive pattern 1 or 2 in parallel Rate improves vehicle fuel economy.
7. braking mode:When braking, engine oil-break, can by one or two motor provide braking moment and Balancing moment to carry out Brake energy recovery, and keeps system smooth-going operation.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or Variation is still in the protection scope of this invention.

Claims (9)

1. a kind of double planet wheel rows of mixing multimodal fusion power vehicle power drive system, which is characterized in that the system comprises:Brake (8);
Power source, including the first power source (1), the second power source (9) and third power source (13);
Gear ring, including the first gear ring (5) and the second gear ring (17), first gear ring (5) pass through third transmission shaft (10) and institute It states third power source (13) and forms drive connection;
First planet row driving device, including first planet carrier (18), the first sun gear (23) and with first sun gear (23) and the first gear ring (5) engagement the first planetary gear (4);One end of the first planet carrier (18) passes through first clutch (3) clutch connection is formed with second gear ring (17), the other end passes through second clutch (6) and first gear ring (5) Clutch connection is formed, first sun gear (23) is connect by the first transmission shaft (24) with first power source (1);
Second planet row driving device, including the second planet carrier (16), the second sun gear (14) and with second sun gear (14) and the second planetary gear (15) for engaging respectively of the second gear ring (17);One end of second planet carrier (16) and the braking Device (8) connects, and the other end forms clutch connection by third clutch (7) and first gear ring (17);Described second too Sun wheel (14) is connect by second driving shaft (11) with second power source (9), and second gear ring (17) is filled by slowing down It sets and is connect with the power output shaft (21);
Controller, with the first clutch (3), second clutch (6), third clutch (7), brake (8) and power Source is electrically connected.
2. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 1, which is characterized in that pass through Controller to the brake (8), first clutch (3), second clutch (6) and third clutch (7) carry out individually or Clutch for clutch control is combined, the system is controlled and is in electric-only mode, series model, E-CVT combination drives pattern and mixing in parallel Drive mode.
3. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 2, which is characterized in that described Series model is to be in discrete state, same time control by controller the control first clutch (3) and third clutch (7) The system second clutch (6) and brake (8) are in bonding state.
4. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 2, which is characterized in that described E-CVT combination drive patterns include input power shunt mode, hybrid power shunt mode and output power shunt mode;
The output power shunt mode is by controller the control second clutch (6) and third clutch (7) First clutch (3) and brake (8) in bonding state, while described in control are in discrete state.
5. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 2, which is characterized in that in parallel Combination drive pattern includes that one grade of combination drive pattern in parallel is kept off with combination drive pattern two in parallel, for improving automobile power Property;
One grade of the parallel connection combination drive pattern controls the first clutch (3), second clutch (6) to pass through controller It is in bonding state with third clutch (7), while controlling the brake (8) and being in discrete state;
The parallel connection combination drive pattern two is kept off is in discrete state to control the third clutch (7) by controller, together When control first clutch (3), second clutch (6) and the brake (8) be in bonding state.
6. according to any double planet wheel rows of mixing multimodal fusion power vehicle power drive systems of claim 2-5, feature exists In the system also includes braking modes, and controlling the brake (8) by controller is in bonding state, same to time control System first power source (1) and/or the second power source (9) provide braking moment and balancing moment.
7. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 6, which is characterized in that described Third power source (13) is engine, and first power source (1) and the second power source (9) are motor.
8. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 7, which is characterized in that described Torsional vibration damper (12) is equipped between third transmission shaft (10) and the third power source (13).
9. double planet wheel rows of mixing multimodal fusion power vehicle power drive system according to claim 8, which is characterized in that described Deceleration device includes reduction gear (22), differential mechanism (20) and final gear (19), and the differential mechanism (20) connects respectively The reduction gear (22) and final gear (19) are connect, and is connect with the power output shaft (21), it is described to subtract Fast gear mechanism (22) is engaged by synchromesh gear (2) with second gear ring (17).
CN201810132714.6A 2018-02-09 2018-02-09 Double-planet-row multi-mode hybrid electric vehicle power transmission system Expired - Fee Related CN108394265B (en)

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