CN203666384U - Hybrid power system - Google Patents
Hybrid power system Download PDFInfo
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- CN203666384U CN203666384U CN201420054797.9U CN201420054797U CN203666384U CN 203666384 U CN203666384 U CN 203666384U CN 201420054797 U CN201420054797 U CN 201420054797U CN 203666384 U CN203666384 U CN 203666384U
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- motor
- overrunning clutch
- controllable overrunning
- gear
- way controllable
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Abstract
The utility model relates to a multi-power source multi-stage velocity ratio hybrid power system. The hybrid power system comprises an engine, a bidirectional controllable overrunning clutch, a first motor, a second motor, a multi-speed transmission and a battery pack, one end of the bidirectional controllable overrunning clutch is connected with the output shaft of the engine while the other end is connected with the output shaft of the first motor, the driving member of the multi-speed transmission is connected with the bidirectional controllable overrunning clutch, the driven member of the multi-speed transmission is connected with the output shaft of the second motor, the battery pack supplies power for the first and second motors, and the multi-drive mode achieved by part or all of the power sources and the energy recycling mode are realized through switching the mode of the bidirectional controllable overrunning clutch and the gear of the multi-speed transmission. The hybrid power system is simple in control and compact in structure, avoids the friction energy loss caused by a friction clutch, improves the vehicle efficiency, lowers the performance requirement for the first motor, improves the fuel economy of the engine, and reinforces the energy conservation effect of the vehicle.
Description
Technical field
The utility model belongs to the hybrid power transmission technical field of electromechanical combined driving system, particularly power actuated vehicle, is specifically related to a class and has two-way controllable overrunning clutch, has multiple propulsions source including driving engine and the hybrid power system of multistage speed ratio.
Background technology
Hybrid power system refers to more than two and two propulsion source, realizes the system that drives separately or jointly vehicle by certain dynamic coupling device.
Prior art generally adopts friction clutch (comprising dry type and wet type) or the sun and planet gear coupling device as multi power source.Friction clutch only has on-off function, is mainly used among parallel hybrid dynamic system, have the difficulty of control large, require shortcoming high, easy to wear, the cunning that the frequent break-make of power-transfer clutch produces is rubbed and also can be brought degradation of energy.Sun and planet gear is applied to series parallel type hybrid dynamic system, can not realize speed ratio variable, is difficult to driving engine to remain on optimum Working.
Mono-directional overrun clutch is the base part that a class is widely used in single hand of rotation transmission, there are the various ways such as engagement type, ball-type, roller, Wedge-type, conventionally there is the basic elements of character such as outer ring, inner ring, conjunction, according to the variation of master and slave moving part (inside and outside circle) relative rotational or direction, to realize voluntarily the device in conjunction with (transmission) or separation (surmounting).
The existing scheme that adopts common overriding clutch of existing hybrid power system: CN101439665 has proposed to be provided with the scheme of mono-directional overrun clutch between the driving engine with starter and electrical motor, this scheme is not provided with change-speed box, greatly limit the Applicable scope of system, be difficult to meet the needs that general vehicle normally travels.CN101314325, CN101334076 has proposed to arrange the scheme of overriding clutch between the first propulsion source (driving engine connects the first motor) and the second propulsion source (the second motor), the problem of this scheme is, the first motor drives or is dragged generating time must drag driving engine by counter, although this problem can solve by set up friction clutch between driving engine and the first motor, but setting up power-transfer clutch has increased system dimension and has controlled difficulty, offset and used compact conformation that overriding clutch brings and the advantage of simplified control, engineering field of application and value are limited.
Summary of the invention
The purpose of this utility model be to provide a kind of without friction clutch, compact conformation, efficiency is high, production inheritance is good, and is conducive to reduce the hybrid power system of controlling difficulty and manufacturing cost, the utility model control is simple and convenient.
The purpose of this utility model is by taking following technical proposals to realize: hybrid power system of the present utility model, include driving engine, two-way controllable overrunning clutch, the first motor, the second motor, multi-step transmissions, battery pack, one end of two-way controllable overrunning clutch is connected with the output shaft of driving engine, the other end of two-way controllable overrunning clutch is connected with the output shaft of the first motor, the driving link of multi-step transmissions is connected with two-way controllable overrunning clutch, the driven member of multi-step transmissions is connected with the output shaft of the second motor, battery-powered to the first motor and the second motor, switch by the pattern of two-way controllable overrunning clutch and the gear of multi-step transmissions, realize multiple driving and energy take-back model that multi power source can partly or entirely participate in.
Described driving engine is connected with the inner ring of two-way controllable overrunning clutch, and the outer ring of two-way controllable overrunning clutch is connected with the input shaft of multi-step transmissions; Or driving engine is connected with the outer ring of two-way controllable overrunning clutch, the inner ring of two-way controllable overrunning clutch is connected with the input shaft of multi-step transmissions.
Described the first motor is connected with the input shaft of multi-step transmissions by gear pair, the first motor is connected with two-way controllable overrunning clutch outer ring by input shaft, multi-step transmissions includes 1 gear and 2 gear synchros, 3 gear synchros, by controlling 1 gear and 2 gear synchros, 3 gear synchros are realized the intervention of relevant gear or exit; The second motor is connected with the output shaft of multi-step transmissions by gear pair, and output shaft is passed to wheel by power by main reduction gear, diff, drives vehicle.
Described two-way controllable overrunning clutch be based on overriding clutch principle develop form, partly or entirely there is forward transferring power or surmount, back transfer power or surmount, bidirectional overtaking separate, four kinds of mode of operations of bi-directional power; Described two-way controllable overrunning clutch is realized switching by the relative motion of retainer, outer ring or the inner ring of control two-way controllable overrunning clutch between these mode of operations.
Usefulness of the present utility model is: 1) by the application of two-way controllable overrunning clutch, friction clutch and the special starter of general multistage speed ratio hybrid power system are save, thereby make mixed power system structure compacter, control more simplify, the cunning of also having avoided using friction clutch the to bring degradation of energy that rubs, has improved car load efficiency.2) by the application of multi-step transmissions, promote engine operation efficiency in hybrid power system, optimize engine operating condition, reduced the performance requriements of the first motor simultaneously, reduce its quality and size; By the second motor being set in multi-step transmissions downstream, promote the efficiency that driven by power and energy reclaim.3) two-way controllable overrunning clutch adopting can be by multiple overriding clutchs such as roller, engagement type, Wedge-types through controlledization transformation, and all mature and reliable relatively of the design of these class transmission basic components, production technology; Continued to use synchro or the engaging sleeve of traditional mechanical transmission, and with the same or analogous layout structure of traditional step type mechanical transmission; These all make practical application of the present utility model can continue to use to a great extent ripe design, production technology, Fabricating machinery and industrial system, possess that production inheritance is good, cost is low, be easy to the advantages such as realization.The utility model is particularly suitable for plug-in hybrid-power automobile, meets the long-run development trend of Future New Energy Source automobile.
Accompanying drawing explanation
Below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail:
Fig. 1 is the utility model schematic diagram;
Fig. 2 is the schematic diagram of the utility model specific embodiment 1;
Fig. 3 is the schematic diagram of the utility model specific embodiment 2;
Fig. 4 is the schematic diagram of the utility model specific embodiment 3.
In each figure, 100-driving engine, 200-two-way controllable overrunning clutch, 201-two-way controllable overrunning clutch inner ring, 202-two-way controllable overrunning clutch outer ring, the unidirectional controllable overrunning clutch of 211-(forward), the unidirectional controllable overrunning clutch of 212-(oppositely), 220-mono-directional overrun clutch, 300-the first motor, 301-gear pair, 400-the second motor, 402-gear pair, 500-change-speed box, 501-1 keeps off gear pair, 502-2 keeps off gear pair, 503-3 keeps off gear pair, 511-1 gear and 2 gear synchros, 512-3 keeps off synchro, 521-input shaft, 522-output shaft, 600-battery pack, 700-main reduction gear, 800-diff, 900-wheel.
The specific embodiment
Concrete principle of the present utility model and structure will further be described in detail by the following example and accompanying drawing.
Embodiment 1
Fig. 1 is a kind of embodiment of the present utility model, below further illustrates implementation method of the present utility model, and transmission gear sum can be not limited to 3 gears certainly.
Hybrid power system of the present utility model, include driving engine 100, two-way controllable overrunning clutch 200, the first motor 300, the second motor 400, multi-step transmissions 500, battery pack 600, one end of two-way controllable overrunning clutch 200 is connected with the output shaft of driving engine 100, the other end of two-way controllable overrunning clutch 200 is connected with the output shaft of the first motor 300, the driving link of multi-step transmissions 500 is connected with two-way controllable overrunning clutch 200, the driven member of multi-step transmissions 500 is connected with the output shaft of the second motor 400, battery pack 600 supplies power to the first motor 300 and the second motor 400, switch by the pattern of two-way controllable overrunning clutch 200 and the gear of multi-step transmissions 500, realize multiple driving and energy take-back model that multi power source can partly or entirely participate in.China Patent Publication No. CN101806359 and CN202468962 etc. have proposed the concrete technical scheme of two-way controllable overrunning clutch, therefore be not repeated in this description at this.
Described driving engine 100 is connected with the inner ring 201 of two-way controllable overrunning clutch 200, the outer ring 202 of two-way controllable overrunning clutch 200 is connected with the input shaft 521 of multi-step transmissions 500, or driving engine is connected with the outer ring of two-way controllable overrunning clutch, the inner ring of two-way controllable overrunning clutch is connected with the input shaft of multi-step transmissions.
Described the first motor 300 is connected with the input shaft 521 of multi-step transmissions 500 by gear pair 301, the first motor 300 is connected with two-way controllable overrunning clutch outer ring 202 by input shaft 521, multi-step transmissions 500 includes 1 gear and 2 gear synchros 511,3 gear synchros 512, by controlling 1 gear and 2 gear synchros 511,3 gear synchros 512 are realized the intervention of relevant gear or exit; The second motor 400 is connected with the output shaft 522 of multi-step transmissions 500 by gear pair 402, and output shaft 522 is passed to wheel 900 by power by main reduction gear 700, diff 800, drives vehicle.
Described two-way controllable overrunning clutch 200 is to develop and form based on overriding clutch principle, partly or entirely there is forward transferring power or surmount, back transfer power or surmount, four kinds of mode of operations such as bidirectional overtaking separates (completely separate), bi-directional power (completely in conjunction with), can be, but not limited to the relative motion by controlling the each member of two-way controllable overrunning clutch (as retainer, outer ring or inner ring etc.), between these mode of operations, realize and switching.
Described multi-step transmissions 500 can be any speed ratio variset with on-off function, can be, but not limited to is the step type mechanical transmission that adopts the multiple made-and-breaks such as synchro, engaging sleeve, power-transfer clutch, and also can be, but not limited to is the mechanical continuously-variable transmission that adopts the drivings device such as steel band.
Described battery pack 600 can be any electric energy savings device, can be, but not limited to is other closed-center systems such as Ni-MH battery group, lithium cell group or super capacitor, can by extrapolation power source charges or by alternate manner from described hybrid power system external complement energy.
Two-way controllable overrunning clutch is developed by roller (pearl) formula, engagement type, Wedge-type or other forms of common overriding clutch, also can be by two unidirectional controllable overrunning clutch combinations, as long as be applied to the hybrid power system that the utility model relates to, its various variations, be equal to, the change of exchange and structure or layout, all do not depart from feature and the scope of the utility model design.
According to the difference of hybrid power system state and vehicle behavior demand, the present embodiment has following drive pattern:
One. pure electric drive mode
In the time that battery pack 600 electric weight are sufficient, hybrid power system is preferably in pure electric drive mode.
(1) first motor 300 drives separately
Under this pattern, two-way controllable overrunning clutch 200 is preferably controlled in complete clastotype (pattern three), and driving engine 100 and the second motor 400 do not participate in work, the controlled gear in 1,2,3 gears of change-speed box 500.
(2) second motors 400 drive separately
Under this pattern, change-speed box 500 is controlled in neutral, and driving engine 100 and the first motor 300 do not participate in work.
(3) double-motor parallel drive
Under this pattern, the first unit 300 and the common vehicle that drives of the second motor 400.Two-way controllable overrunning clutch 200 is preferably controlled in complete clastotype (pattern three), and driving engine 100 does not participate in work.The controlled a certain gear in 1,2,3 gears of change-speed box 500.
Two. engine drive pattern
Under this pattern, two-way controllable overrunning clutch 200 is preferably controlled in complete binding pattern (pattern one), to guarantee the reliable and stable transmission of engine power.The controlled a certain gear in 1,2,3 gears of multi-step transmissions 500.
It should be noted that, in the present embodiment, driving engine 100 is without conventional starter, driving engine 100 starts by two-way controllable overrunning clutch 200 and the first motor 300 cooperatings to be realized: two-way controllable overrunning clutch 200 controlled in oppositely enabling, forward anergy pattern (pattern two), the first motor 300 drives driving engine 100 to start, because now power can only be via two-way controllable overrunning clutch 200 back transfer, after starting, driving engine 100 in non-loaded situation, reaches fast stable idling mode.
Three. driving engine and motor combination drive pattern
(1) increase journey pattern
In the time that battery pack 600 electric weight are not enough, hybrid power system is preferably realized pure electric drive in increasing journey pattern.
Under this pattern, driving engine 100 is connected with the first motor 300, and the first motor 300 charges for battery pack 600 under the dragging of driving engine 100, and battery pack 600 is that the second motor 400 is powered, and the second motor 400 drives vehicle.
Now, two-way controllable overrunning clutch 200 is preferably controlled in complete binding pattern (pattern one), drags the first motor 300 and generates electricity to realize driving engine 100.Change-speed box 500 is controlled in neutral.Between driving engine 100, the first motor 300 and the second motor 400, machinery-free is connected.
(2) parallel drive pattern
Under this pattern, driving engine 100 and the first motor 300 or the common vehicle that drives of the second motor 400, two-way controllable overrunning clutch 200 is preferably controlled in complete binding pattern (pattern one), to guarantee the reliable and stable transmission of engine power, the controlled a certain gear in 1,2,3 gears of multi-step transmissions 500.
(3) series-parallel connection drive pattern
Under this pattern, driving engine 100 is connected with the first motor 300, the first motor 300 charges for battery pack 600 under the dragging of driving engine 100, driving engine 100 is in parallel with the second motor 400, driving engine 100 and the common vehicle that drives of the second motor 400, two-way controllable overrunning clutch 200 is preferably controlled in complete binding pattern (pattern one), to guarantee the reliable and stable transmission of engine power, and the controlled a certain gear in 1,2,3 gears of multi-step transmissions 500.
Four. energy take-back model
Under this pattern, the first motor 300 or (with) the second motor 400 dragged generating by counter, for battery pack 600 is charged, the kinetic energy of vehicle or potential energy are converted into electric energy and reclaim.Now, double rolling key clutch preferably controlled in forward enable, reverse anergy pattern (pattern four), drag driving engine 100 is counter avoiding.
Automobile primary is wanted the implementation method of operating mode:
One. vehicle starting or fall back and travel
Automobile need to be started to walk or fall back travelling time, according to extraneous and vehicle condition (as the gradient, load etc.), is realized by a kind of pattern in pure electric drive mode.Starting and the main difference of travelling that falls back be, the first motor 300 or (with) hand of rotation of the second motor 400 is different.
Two. automobile gear shift
In vehicle traveling process, external condition (as the gradient, road surface, windage etc.) or the speed of a motor vehicle change, and need transmission gear to change, and to meet the demand of travelling, and keep driving engine or machine operation in greater efficiency region.
In native system, the power of driving engine 100 and the first motor 300 need to be exported by multi-step transmissions 500, the gear of multi-step transmissions 500 switch also occur in driving engine 100 or (with) the first motor 300 directly drives in each mode of operation of vehicle, but no matter under which kind of mode of operation, shift process is basically identical, rise up into 3 gears as example take 2 gears below, gearshift implementation method is described.
When 2 gear, 2 gear synchro 511 combinations, 3 gear synchros 512 separate, and power is exported via input shaft 521,2 gear synchro 511,2 gear gear pairs 502, output shaft 522 in multi-step transmissions 500 inside.
Rise up into before 3 gears, first complete driving engine 100 or (with) the driving function of the first motor 300 is to the handing-over of the second motor 400: the second motor 400 adds high-power gradually, shunting driving engine 100 or (with) the driving function of the first motor 300, driving engine 100 or (with) the first motor 300 correspondingly reduces power gradually, until drive function to be born by the second motor 400 completely.
The second motor 400 is born after whole driving functions, 2 gear synchros 511 separate, two-way controllable overrunning clutch 200 preferably switches to complete clastotype (pattern three), in the time that the first motor 300 rotating speeds are adjusted to 3 gear rotating speed of target, 3 gear synchro combinations, two-way controllable overrunning clutch 200 preferably switches to forward enable mode (pattern four), driving engine 100 or (with) the first motor 300 adds high-power gradually, start to bear driving function, upshift process finishes.
Now, power is exported via input shaft 521,3 gear synchro 512,3 gear gear pairs 503, output shaft 522 in multi-step transmissions 500 inside.
Embodiment 2
The present embodiment as shown in Figure 3, two-way controllable overrunning clutch 200 in the present embodiment is combined to form by unidirectional controllable overrunning clutch (forward) 211, unidirectional controllable overrunning clutch (oppositely) 212, and four kinds of mode of operations of two-way controllable overrunning clutch 200 and the pattern corresponding relation of unidirectional controllable overrunning clutch 211,212 are as shown in table 1.Comparatively speaking, unidirectional controllable overrunning clutch production technology is simple, low cost of manufacture, reliable operation.
Table 1 two-way controllable overrunning clutch contrasts with the mode of operation of unidirectional controllable overrunning clutch combination
| Two-way controllable overrunning clutch | Unidirectional controllable overrunning clutch (forward) | Unidirectional controllable overrunning clutch (oppositely) |
| Completely in conjunction with (pattern one) | Enable | Enable |
| Oppositely enable (pattern two) | Anergy | Enable |
| Separate completely (pattern three) | Anergy | Anergy |
| Forward enables (pattern four) | Enable | Anergy |
Embodiment 3
The present embodiment as shown in Figure 4.Common mono-directional overrun clutch 220 in the present embodiment, be equivalent to 200 of two-way controllable overrunning clutch and there is forward enable mode (pattern four), due to the dynamic transfer characteristics of mono-directional overrun clutch, in the present embodiment, driving engine 100 need to be realized engine starting with starter.
Need to particularly point out 2 points from the angle of practical implementation.The first point, common free-wheel clutch 220 is in while surmounting state for a long time, and its drive disk assembly has compared with galling, will cause losing efficacy when serious wear.Second point, driving engine 100 output has torque fluctuation, and common free-wheel clutch 220 that can only unidirectional delivery power may cause extraneous vibration, thereby affects system dynamic output stability.
Claims (9)
1. a hybrid power system, it is characterized in that including driving engine, two-way controllable overrunning clutch, the first motor, the second motor, multi-step transmissions, battery pack, one end of two-way controllable overrunning clutch is connected with the output shaft of driving engine, the other end of two-way controllable overrunning clutch is connected with the output shaft of the first motor, the driving link of multi-step transmissions is connected with two-way controllable overrunning clutch, the driven member of multi-step transmissions is connected with the output shaft of the second motor, battery-powered to the first motor and the second motor, switch by the pattern of two-way controllable overrunning clutch and the gear of multi-step transmissions, realize multiple driving and energy take-back model that multi power source can partly or entirely participate in.
2. hybrid power system according to claim 1, is characterized in that described driving engine is connected with the inner ring of two-way controllable overrunning clutch, and the outer ring of two-way controllable overrunning clutch is connected with the input shaft of multi-step transmissions; Or driving engine is connected with the outer ring of two-way controllable overrunning clutch, the inner ring of two-way controllable overrunning clutch is connected with the input shaft of multi-step transmissions.
3. hybrid power system according to claim 1, it is characterized in that described the first motor is connected with the input shaft of multi-step transmissions by gear pair, the first motor is connected with two-way controllable overrunning clutch outer ring by input shaft, multi-step transmissions includes 1 gear and 2 gear synchros, 3 gear synchros, by controlling 1 gear and 2 gear synchros, 3 gear synchros are realized the intervention of relevant gear or exit; The second motor is connected with the output shaft of multi-step transmissions by gear pair, and output shaft is passed to wheel by power by main reduction gear, diff, drives vehicle.
4. hybrid power system according to claim 1, it is characterized in that described two-way controllable overrunning clutch be based on overriding clutch principle develop form, partly or entirely there is forward transferring power or surmount, back transfer power or surmount, bidirectional overtaking separate, four kinds of mode of operations of bi-directional power; Described two-way controllable overrunning clutch is realized switching by the relative motion of retainer, outer ring or the inner ring of control two-way controllable overrunning clutch between these mode of operations.
5. hybrid power system according to claim 1, is characterized in that described multi-step transmissions is the speed ratio variset with on-off function.
6. hybrid power system according to claim 1, is characterized in that described multi-step transmissions is the step type mechanical transmission as made-and-break with synchro, engaging sleeve, power-transfer clutch; Multi-step transmissions is the mechanical continuously-variable transmission that adopts tape driving device.
7. according to the hybrid power system described in claim 1 to 6 any one, it is characterized in that described battery pack is electric energy savings devices.
8. hybrid power system according to claim 7, is characterized in that described battery pack is Ni-MH battery group, lithium cell group or super capacitor.
9. hybrid power system according to claim 8, is characterized in that described battery pack is by extrapolation power source charges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420054797.9U CN203666384U (en) | 2014-01-28 | 2014-01-28 | Hybrid power system |
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| CN201420054797.9U CN203666384U (en) | 2014-01-28 | 2014-01-28 | Hybrid power system |
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| CN203666384U true CN203666384U (en) | 2014-06-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103802663A (en) * | 2014-01-28 | 2014-05-21 | 广东工业大学 | Hybrid power system and control method thereof |
| CN107554516A (en) * | 2017-08-25 | 2018-01-09 | 奇瑞汽车股份有限公司 | Hybrid electric drive system and hybrid electric vehicle |
| CN111016645A (en) * | 2019-12-04 | 2020-04-17 | 西南大学 | Two surpassing integrated form wisdom self-adaptation electric drive rear-guard system of super large moment of torsion double helix |
-
2014
- 2014-01-28 CN CN201420054797.9U patent/CN203666384U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN107554516A (en) * | 2017-08-25 | 2018-01-09 | 奇瑞汽车股份有限公司 | Hybrid electric drive system and hybrid electric vehicle |
| CN111016645A (en) * | 2019-12-04 | 2020-04-17 | 西南大学 | Two surpassing integrated form wisdom self-adaptation electric drive rear-guard system of super large moment of torsion double helix |
| CN111016645B (en) * | 2019-12-04 | 2022-04-22 | 西南大学 | Two surpassing integrated form wisdom self-adaptation electric drive rear-guard system of super large moment of torsion double helix |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140625 Termination date: 20170128 |