CN102139626A - Hybrid powder system for vehicle - Google Patents
Hybrid powder system for vehicle Download PDFInfo
- Publication number
- CN102139626A CN102139626A CN201110047079XA CN201110047079A CN102139626A CN 102139626 A CN102139626 A CN 102139626A CN 201110047079X A CN201110047079X A CN 201110047079XA CN 201110047079 A CN201110047079 A CN 201110047079A CN 102139626 A CN102139626 A CN 102139626A
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- Prior art keywords
- motor
- power
- variable pump
- vehicle
- drg
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
Abstract
The invention discloses a hybrid powder system for a vehicle. The hybrid powder system for the vehicle comprises an engine, an engine output shaft, a brake, a clutch, a first variable pump/motor, a first output gear, a hydraulic power accumulator, a second output gear, a second variable pump/motor, a power output shaft, a planet carrier, a gear ring, a planet wheel, a sun wheel and a controller, wherein the engine output shaft is connected with the planet carrier; the first variable pump/motor is connected with the sun wheel through the first output gear; the second variable pump/motor is connected with the gear ring through the second output gear; the brake is used for braking the planet carrier; and the clutch is used for restraining rotation between the planet carrier and the sun wheel. By the hybrid powder system for the vehicle, pure hydraulic motor driving, engine and hydraulic motor combined driving, pure motor driving and engine and hydraulic motor parallel connection driving are realized.
Description
Technical field
The present invention relates to a kind of hybrid power system for vehicle, relate in particular to a kind of hydraulic variable displacement pump motor and driving engine of utilizing and realize the hybrid power system for vehicle that mixes.。
Background technology
Usually, hybrid drive is divided into series, parallel and four kinds of structure types of series-parallel connection.Cascaded structure is crossed to hang down because of driving efficiency and is eliminated gradually.The advantage of parallel-connection structure is the driving efficiency height, and shortcoming is the working speed that self can not adjust driving engine.Hybrid connected structure has overcome in parallel and series connected shortcoming, and Combination property is better.
The representative type hybrid connected structure generally is made of driving engine, electrical generator, electrical motor, common sun and planet gear, be coupled and distribution device as power with sun and planet gear, for vehicle provides pure electronic, two kinds of drive patterns of series-parallel connection driving, but there is following problem in this system: when carrying out braking energy feedback, because battery performance restriction, charging current is restricted, and when emergency braking, braking energy can not fully be reclaimed in the time of especially.
Address the above problem, help further to improve motor vehicle driven by mixed power economy, emission abatement, energy savings.
Summary of the invention
At above-mentioned prior art, the invention provides a kind of hybrid power system for vehicle, basic design is that the driving process with vehicle is divided into starting or reversing, medium and small load, the little load of high speed, four kinds of typical conditions of big at a high speed load, adopt a kind of by sun and planet gear, drg, power-transfer clutchs etc. are formed power coupling and distribution device, change the type of drive of sun and planet gear with drg and power-transfer clutch, adopt hydraulic variable displacement pump/motor to replace motor/engine, control by controller and realize the pure fluid motor-driven of vehicle, series-parallel connection drives, pure engine drive, four kinds of drive patterns of driving in parallel.Can select flexibly according to running conditions of vehicle, fully absorb braking kinetic energy, thereby improve dynamic property, economy and the emission performance of vehicle.
In order to solve the problems of the technologies described above, the technical scheme that hybrid power system for vehicle of the present invention is achieved is: this hybrid power system for vehicle comprises driving engine, the first variable pump/motor, hydraulic energy storage device, the second variable pump/motor, controller, power coupling and distribution device; The coupling of described power and distribution device be by sun wheel, pinion carrier, gear ring, satellite gear, drg, power-transfer clutch, engine output shaft, first output gear, second output gear, and power take-off shaft is formed; Described drg comprises fixed part and rotating element; Wherein: described engine output shaft links to each other with described pinion carrier, the described first variable pump/motor links to each other with described sun wheel by described first output gear, the described second variable pump/motor links to each other with described gear ring by described second output gear, described drg is used for described pinion carrier braking, and described power-transfer clutch is used to retrain the rotation between described pinion carrier and the described sun wheel; The fixed part of described drg connects the housing of power coupling and distribution device, and the rotating element of described drg connects described pinion carrier; One end of described power-transfer clutch connects described pinion carrier, and the other end of described power-transfer clutch connects described sun wheel; Described power take-off shaft links to each other with described gear ring and is used for output drive strength; Described controller is by controlling described driving engine, the described first variable pump/motor, the described first variable pump/motor, drg and power-transfer clutch in order to realize that following four kinds drive mode of operations: vehicle when starting or reversing with pure HM Hydraulic Motor mode activated, vehicle is with the series-parallel connection mode activated during the medium and small load of low speed, with pure engine drive, vehicle drives with paralleling model during big at a high speed load during the little load of high speed.
Compared with prior art, the invention has the beneficial effects as follows:
The one, replace electric generator/electric motor with hydraulic variable displacement pump/motor, electromagnetic interference is less, improves system reliability; The 2nd, improve braking energy and reclaim, when emergency brake of vehicle, make full use of the high power density advantage of hydraulic energy storage device, absorb braking kinetic energy rapidly; The 3rd, four kinds of drive patterns that system provides are suitable for vehicle driving-cycle better, improve dynamic property and economy.
Description of drawings
Accompanying drawing is the structural representation sketch of hybrid power system for vehicle of the present invention.
Among the figure:
1---driving engine 2---engine output shaft 3---drg
4---the first variable pump/motor 5---first output gear 6---hydraulic energy storage devices
7---second output gear 8---second variable pump/motor 9---power take-off shafts
10---pinion carrier 11---gear ring 12---satellite gears
13---sun wheel 14---power-transfer clutch 15---controllers
The specific embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done to describe in further detail.
As shown in drawings, as realizing that the technical scheme that hybrid power system for vehicle of the present invention is conceived substantially is: comprise driving engine 1, the first variable pump/motor 4, hydraulic energy storage device 6, the second variable pump/motor 8, controller 15, power coupling and distribution device; The coupling of described power and distribution device be by sun wheel 13, pinion carrier 10, gear ring 11, satellite gear 12, drg (3), power-transfer clutch 14, engine output shaft 2, first output gear 5, second output gear 7, and power take-off shaft 9 is formed; Described drg (3) comprises fixed part and rotating element; Wherein: described engine output shaft 2 links to each other with described pinion carrier (10), the described first variable pump/motor 4 links to each other with described sun wheel (13) by described first output gear 5, the described second variable pump/motor 8 links to each other with described gear ring 11 by described second output gear 7, described drg 3 is used for described pinion carrier (10) braking, and described power-transfer clutch 14 is used to retrain the rotation between described pinion carrier 10 and the described sun wheel 13; The fixed part of described drg 3 connects the housing of power coupling and distribution device, and the rotating element of described drg 3 connects described pinion carrier (10); One end of described power-transfer clutch 14 connects described pinion carrier 10, and the other end of described power-transfer clutch 14 connects described sun wheel 13; Described power take-off shaft 9 links to each other with described gear ring 11 and is used for output drive strength; Described controller 15 is by controlling described driving engine 1, the described first variable pump/motor 4, the described first variable pump/motor 8, drg 3 and power-transfer clutch 14 in order to realize that following four kinds drive mode of operation:
Vehicle starting or when reversing with pure HM Hydraulic Motor mode activated; In starting or when reversing, vehicle is with the HM Hydraulic Motor mode operation, described drg 3 lockings, and described power-transfer clutch 13 unclamps, and the described first variable pump/motor and the second variable pump/motor are all worked in the HM Hydraulic Motor mode, common powered vehicle.
Vehicle is with the series-parallel connection mode activated during the medium and small load of low speed; In, during little load, vehicle moves with the series-parallel connection drive pattern, described drg 3 unclamps, described power-transfer clutch 14 unclamps, the described first variable pump/motor 4 is worked in the Hydraulic Pump mode, the described second variable pump/motor 8 is worked in the HM Hydraulic Motor mode, the power major part of described driving engine 1 is the direct drive vehicle mechanically, fraction power produces high pressure by the described first variable pump/motor 4 with the work of Hydraulic Pump mode in addition, be transported to described hydraulic energy storage device 6, the power coupling rear drive vehicle of being exported with driving engine with HM Hydraulic Motor mode work outputting power by the described second variable pump/motor 8 forms the electrodeless variable-speed transmission again.
During the little load of high speed with pure engine drive: when the little load of high speed, described drg 3 unclamps, described power-transfer clutch 14 combinations, described first variable pump/motor 4 and the described second variable pump/motor 8 are not worked, described engine power is directly exported powered vehicle.
Vehicle drives with paralleling model during big at a high speed the load: when the big load of high speed, vehicle moves with drive pattern in parallel, described drg 3 unclamps, described power-transfer clutch 14 unclamps, except that described driving engine 1 powered vehicle, described first variable pump/motor 4 and the described second variable pump/motor 8 can both together participate in powered vehicle with the work of HM Hydraulic Motor mode.
At car retardation or glancing impact, the described second variable pump/motor 8 is with the work of Hydraulic Pump pattern, to the hydraulic accumulator energy storage.
Above-mentioned embodiment has realized that following two the variable pump/motors of different operating modes simultaneously as motor driven vehicle and pure engine power powered vehicle, reclaim braking kinetic energy at car retardation or glancing impact simultaneously efficiently, improves vehicle power and economy.
Below schematically content of the present invention and principle of work are described, this description does not have restricted, and shown in the accompanying drawing is the example of embodiments of the present invention also, and practical structure is not limited thereto.So, if those skilled in the art is enlightened by it, under the situation that does not break away from the invention aim, adopt other form, design with similar structure of the present invention and embodiment, also belong to protection scope of the present invention.
Claims (2)
1. a hybrid power system for vehicle comprises driving engine (1), the first variable pump/motor (4), hydraulic energy storage device (6), the second variable pump/motor (8), controller (15), power coupling and distribution device; It is characterized in that:
Described power coupling and distribution device are by sun wheel (13), pinion carrier (10), gear ring (11), satellite gear (12), drg (3), power-transfer clutch (14), engine output shaft (2), first output gear (5), second output gear (7), power take-off shaft (9) is formed; Described drg (3) comprises fixed part and rotating element; Wherein:
Described engine output shaft (2) links to each other with described pinion carrier (10), the described first variable pump/motor (4) links to each other with described sun wheel (13) by described first output gear (5), the described second variable pump/motor (8) links to each other with described gear ring (11) by described second output gear (7), described drg (3) is used for described pinion carrier (10) braking, and described power-transfer clutch (14) is used to retrain the rotation between described pinion carrier (10) and the described sun wheel (13);
The fixed part of described drg (3) connects the housing of power coupling and distribution device, and the rotating element of described drg (3) connects described pinion carrier (10);
One end of described power-transfer clutch (14) connects described pinion carrier (10), and the other end of described power-transfer clutch (14) connects described sun wheel (13); Described power take-off shaft (9) links to each other with described gear ring (11) and is used for output drive strength;
Described controller (15) is by controlling described driving engine (1), the described first variable pump/motor (4), the described first variable pump/motor (8), drg (3) and power-transfer clutch (14) in order to realize that following four kinds drive mode of operations:
Vehicle starting or when reversing with pure HM Hydraulic Motor mode activated, vehicle is with the series-parallel connection mode activated during the medium and small load of low speed, with pure engine drive, vehicle drives with paralleling model when loading greatly at a high speed during the little load of high speed.
2. according to the described hybrid power system for vehicle of claim 1, it is characterized in that: when starting or reversing, described drg 3 lockings, described power-transfer clutch (13) unclamps, the described first variable pump/motor (4) and the second variable pump/motor (8) are all worked in the HM Hydraulic Motor mode, common powered vehicle;
In, during little load, described drg (3) unclamps, described power-transfer clutch (14) unclamps, the described first variable pump/motor (4) is worked in the Hydraulic Pump mode, the described second variable pump/motor (8) is worked in the HM Hydraulic Motor mode, the power major part of described driving engine (1) is the direct drive vehicle mechanically, fraction power produces high pressure by the described first variable pump/motor (4) with the work of Hydraulic Pump mode in addition, be transported to described hydraulic energy storage device (6), the power coupling rear drive vehicle of being exported with driving engine with HM Hydraulic Motor mode work outputting power by the described second variable pump/motor (8) forms the electrodeless variable-speed transmission again.
When the little load of high speed, described drg (3) unclamps, described power-transfer clutch (14) combination, and described first variable pump/motor (4) and the described second variable pump/motor (8) are not worked, and described engine power is directly exported powered vehicle.
When loading greatly at a high speed, described drg (3) unclamps, described power-transfer clutch (14) unclamps, and except that described driving engine (1) powered vehicle, described first variable pump/motor (4) and the described second variable pump/motor (8) can both together participate in powered vehicle with the work of HM Hydraulic Motor mode;
At car retardation or glancing impact, the described second variable pump/motor (8) is with the work of Hydraulic Pump pattern, to hydraulic accumulator (6) energy storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047079XA CN102139626A (en) | 2011-02-28 | 2011-02-28 | Hybrid powder system for vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110047079XA CN102139626A (en) | 2011-02-28 | 2011-02-28 | Hybrid powder system for vehicle |
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| CN102139626A true CN102139626A (en) | 2011-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110047079XA Pending CN102139626A (en) | 2011-02-28 | 2011-02-28 | Hybrid powder system for vehicle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514474A (en) * | 2011-12-28 | 2012-06-27 | 哈尔滨工业大学 | Series-parallel combined hydraulic power system of hybrid electric vehicle |
| CN108216646A (en) * | 2018-01-10 | 2018-06-29 | 吉林大学 | A kind of parallel hybrid power aircraft power coupled system and its drive control method |
| CN109130819A (en) * | 2017-06-28 | 2019-01-04 | 天厦精控（厦门）科技有限公司 | A kind of double-motor hybrid coupler and its working method |
| CN109572681A (en) * | 2019-01-22 | 2019-04-05 | 吉林大学 | A kind of vehicle drive system and its control method based on the coupling of tandem two-way hydraulic power stream |
| CN109723789A (en) * | 2019-01-16 | 2019-05-07 | 江苏大学 | A kind of stepless gear system of hybrid power multi-mode switching |
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| EP1090792A2 (en) * | 1999-10-08 | 2001-04-11 | Toyota Jidosha Kabushiki Kaisha | Engine to motor drive mode switching with clutch engagement when engine speed exceeds motor speed |
| CN101415576A (en) * | 2006-03-14 | 2009-04-22 | 朱荣辉 | Power installation for automobile |
| US20100186408A1 (en) * | 2009-01-28 | 2010-07-29 | Robert Bosch Gmbh | Energy storage system for a hybrid vehicle |
| CN101804811A (en) * | 2010-04-29 | 2010-08-18 | 中国汽车技术研究中心 | Hybrid power control system for vehicle |
| CN101920651A (en) * | 2010-07-20 | 2010-12-22 | 吉林大学 | Double planet row-type hydraulic driving series-parallel hybrid electric system |
| CN202011320U (en) * | 2011-02-28 | 2011-10-19 | 中国汽车技术研究中心 | Vehicle-used hybrid power system |
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2011
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| EP1090792A2 (en) * | 1999-10-08 | 2001-04-11 | Toyota Jidosha Kabushiki Kaisha | Engine to motor drive mode switching with clutch engagement when engine speed exceeds motor speed |
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| US20100186408A1 (en) * | 2009-01-28 | 2010-07-29 | Robert Bosch Gmbh | Energy storage system for a hybrid vehicle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102514474A (en) * | 2011-12-28 | 2012-06-27 | 哈尔滨工业大学 | Series-parallel combined hydraulic power system of hybrid electric vehicle |
| CN109130819A (en) * | 2017-06-28 | 2019-01-04 | 天厦精控（厦门）科技有限公司 | A kind of double-motor hybrid coupler and its working method |
| CN108216646A (en) * | 2018-01-10 | 2018-06-29 | 吉林大学 | A kind of parallel hybrid power aircraft power coupled system and its drive control method |
| CN109723789A (en) * | 2019-01-16 | 2019-05-07 | 江苏大学 | A kind of stepless gear system of hybrid power multi-mode switching |
| WO2020147141A1 (en) * | 2019-01-16 | 2020-07-23 | 江苏大学 | Continuously variable transmission system achieving multi-mode switching of hybrid power |
| GB2583556A (en) * | 2019-01-16 | 2020-11-04 | Univ Jiangsu | Continuously variable transmission system achieving multi-mode switching of hybrid power |
| CN109723789B (en) * | 2019-01-16 | 2021-07-20 | 江苏大学 | Hybrid multimode switching stepless speed change transmission system |
| US11543009B2 (en) | 2019-01-16 | 2023-01-03 | Jiangsu University | Hybrid multi-mode switching continuously variable transmission system |
| GB2583556B (en) * | 2019-01-16 | 2023-07-12 | Univ Jiangsu | Hybrid multi-mode switching continuously variable transmission system |
| CN109572681A (en) * | 2019-01-22 | 2019-04-05 | 吉林大学 | A kind of vehicle drive system and its control method based on the coupling of tandem two-way hydraulic power stream |
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Application publication date: 20110803 |