CN202200824U - Single-clutch hybrid system - Google Patents
Single-clutch hybrid system Download PDFInfo
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- CN202200824U CN202200824U CN2011203497249U CN201120349724U CN202200824U CN 202200824 U CN202200824 U CN 202200824U CN 2011203497249 U CN2011203497249 U CN 2011203497249U CN 201120349724 U CN201120349724 U CN 201120349724U CN 202200824 U CN202200824 U CN 202200824U
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Abstract
The utility model discloses a single-clutch hybrid system, which comprises an engine, a first motor, an electric clutch, a speed changing device, a second motor, a main speed reducer, a drive shaft, wheels, a control system and an energy storage device, wherein the output shaft of the engine is connected with a rotor of the first motor; the rotor of the first motor is connected with the input shaft of the speed changing device through the electric clutch; a rotor of the second motor is connected with the input shaft of the speed changing device; the output shaft of the speed changing device is connected with the input shaft of the main speed reducer; the output shaft of the main speed reducer is connected with the wheels through the drive shaft; and the energy storage device is connected with the first motor and the second motor through the control system. The utility model also discloses another single-clutch hybrid system. By the single-clutch hybrid system, the function of a clutch is expanded, so that gear shift operation can be performed through the clutch, and two kinds of power can be coupled in a series-parallel or parallel connection mode through the clutch; and the system has the advantages of lower development cost and system cost, simple and reliable structure and the like.
Description
Technical field
The utility model relates to a kind of system of automobile technical field, specifically is a kind of single clutch hybrid power system.
Background technology
In the face of the exhaustion of oil resources, soaring oil prices is the reality that we have to face, and resource deficient and to the pollution of the earth all impels all over the world government and knowledgeable people to actively seeking good plan future.Under this background, new-energy automobile has obtained development rapidly, wherein; The promotion and application of hybrid vehicle obtain significant progress; After adopting hybrid power, combustion engine work area commonly used is adjusted to the optimum condition that oil consumption is low, pollution is few, when quickening; Need high-power output, the power of IC engine insufficient section is replenished by battery; Load after a little while, power more than needed can generate electricity and charge the battery because the sustainable work of combustion engine, battery can constantly obtain charging again, so its stroke is the same with general-utility car, and can reclaim the energy of braking, descending and idling operation very easily; During low speed driving, can close down combustion engine,, realize " zero " discharging by the battery independent drive.General sharp this of present Japanese Toyota takes the lead in this art, and realized industrial scale production, and accumulative total is sold above 3,000,000; This achievement is enough to explain that the growth momentum of current hybrid power is very powerful; Japan not only, US and European all has the product of oneself constantly to release in this field, though new-energy automobile has multiple pattern and scheme available; But popularization hybrid vehicle; Have and need not existing automobile Infrastructure is carried out any transformation, fully with the same advantage of use regular fuel automobile, so chaos power and plug-in hybrid-power automobile will be the major technique means of new-energy automobile future development.
The utility model content
The utility model provides a kind of single clutch hybrid power system for solving the technical matters that exists in the known technology.
First technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of single clutch hybrid power system; Comprise: driving engine, first motor, electric control clutch, transmission system, second motor, main reduction gear, axle drive shaft, wheel, control system, closed-center system; The output shaft of driving engine is connected with first rotor; First rotor is connected with the input shaft of transmission system through electric control clutch; Second rotor is connected with the input shaft of transmission system; The output shaft of transmission system is connected with the input shaft of main reduction gear, and the output shaft of main reduction gear is connected with wheel through axle drive shaft, and closed-center system is connected with second motor with first motor through control system.
Second technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is: a kind of single clutch hybrid power system; Comprise: the driving engine, electric control clutch, transmission system, second motor, main reduction gear, axle drive shaft, wheel, control system, the closed-center system that are provided with starter motor; The output shaft of driving engine is connected with the input shaft of transmission system through electric control clutch; Second rotor is connected with the input shaft of transmission system; The output shaft of transmission system is connected with the input shaft of main reduction gear, and the output shaft of main reduction gear is connected with wheel through axle drive shaft; Closed-center system is connected with second motor through control system.
Said control system comprises car load RACS, motor control subsystem, power management subsystem and vehicle-mounted charge subsystem.
Said transmission system is Manual transmission, Automatic Transmission or CVT progressive gear transmission.
When said transmission system was Manual transmission, during gearshift, control system control electric control clutch was in released state, and controlled second motor and make its rotor be in idle running or lower energy recovery state.
Said starter motor is identical with the conventional engine starter motor.
Said closed-center system is the composite power source device of electrokinetic cell, super capacitor or electrokinetic cell and super capacitor.
Said closed-center system, adding has the external charge device.
When said electric control clutch was in released state, this system was the pure electric automobile drive pattern, controlled said second motor through control system and realized the gearshift of pure electric automobile no-clutch.
Advantage and the good effect that the utlity model has are:
1) the original power-transfer clutch function of automobile is expanded, utilized electric control clutch can not only realize cutting off power speed changing gearshift, and can realize the series-parallel connection or the parallel coupled pattern of driving engine and motor, thereby solved the mixing between two kinds powered by conventional energy well.Have simple in structurely, low cost is easy to characteristics such as repacking, maintenance, for hybrid power and plug-in hybrid provide a solution.
2) simple and reliable for structure, can on orthodox car, reequip the most of assembly that adopts orthodox car of hardware; Electric control clutch for example, transmission system and main reduction gear etc. just can reach the requirement of the utility model through the simple transformation of the way; Particularly adopt CVT progressive gear transmission better effects if; Because a large amount of orthodox car assemblies that adopt the reliability of this system is effectively guaranteed, and cost are very low.
3) can realize the gearshift of pure electric automobile no-clutch,, can make the efficient district of motor obtain the actv. utilization, and can improve the hill climbing ability of pure electric automobile, acceleration capacity through gear shift operation.
Description of drawings
Fig. 1 is the preposition before driving structures arranged of the utility model embodiment 1 a parallel-serial hybrid power scheme drawing;
Fig. 2 is the utility model embodiment 1 parallel-serial hybrid power FE/RD structures arranged scheme drawing;
Fig. 3 is the preposition before driving structures arranged of the utility model embodiment 2 a parallelly connected hybrid powers scheme drawing;
Fig. 4 is the utility model embodiment 2 parallelly connected hybrid power FE/RD structures arranged scheme drawings;
Fig. 5 implements the structural representation of pure electric automobile no-clutch gearshift for the utility model.
Among the figure: 1, driving engine, 2, first motor, 3, electric control clutch, 4, transmission system, 5, second motor; 6, main reduction gear, 7, axle drive shaft, 8, wheel, 9, control system; 10, closed-center system, 11, starter motor, 12, transmission shaft, 13, the transmission system input shaft.
The specific embodiment
For further understanding summary of the invention, characteristics and the effect of the utility model, the following examples of giving an example now, and conjunction with figs. specifies as follows:
Embodiment 1:
See also Fig. 1; A kind of engine behind front wheel forerunner dynamic formula single clutch hybrid power system; The series-parallel connection pattern comprises: driving engine 1, first motor 2, electric control clutch 3, transmission system 4, second motor 5, main reduction gear 6, axle drive shaft 7, wheel 8, control system 9 and closed-center system 10.Wherein: the output shaft of driving engine 1 is connected with first motor, 2 rotors; First motor, 2 rotors are connected with transmission system 4 input shafts through electric control clutch 3, and second motor, 5 rotors are connected with the input shaft of transmission system 4, and transmission system 4 outputs are connected with main reduction gear 6; Main reduction gear 6 is connected with wheel 8 through axle drive shaft 7; Closed-center system 10 is connected with second motor 5 with first motor 2 through control system 9, and first motor 2 not only has the function of start the engine, also has the function of driving and load generating.
Seeing also Fig. 2, be 1 with the difference of Fig. 1) driving engine adopts preposition back-wheel drive mode; 2) increase transmission shaft 12 between transmission system 4 and the main reduction gear 6.The remainder all hybrid power system with the corresponding series-parallel connection pattern of Fig. 1 is identical.
Embodiment 2:
See also Fig. 3; A kind of engine behind front wheel forerunner dynamic formula single clutch hybrid power system; The parallel connection pattern comprises: driving engine 1, electric control clutch 3, transmission system 4, second motor 5, main reduction gear 6, axle drive shaft 7, wheel 8, control system 9, closed-center system 10 and starter motor 11.Wherein: the output shaft of driving engine 1 is connected with transmission system 4 input shafts through electric control clutch 3; Second motor, 5 rotors are connected with the input shaft of transmission system 4; Transmission system 4 outputs are connected with main reduction gear 6; Main reduction gear 6 is connected with wheel 8 through axle drive shaft 7, and closed-center system 10 is connected with second motor 5 through control system 9, and starter motor 11 is the original starter motor of driving engine.
Seeing also Fig. 4, be 1 with the difference of Fig. 3) driving engine adopts preposition back-wheel drive mode; 2) increase transmission shaft 12 between transmission system 4 and the main reduction gear 6.The remainder all hybrid power system with the corresponding parallelly connected pattern of Fig. 3 is identical.
The key distinction of embodiment 1 and embodiment 2 is that the parallelly connected pattern described in the embodiment 2 does not have first motor 2, this driving engine institute tape starting motor 11 completion of driving engine 1 startup dependence, the function singleness of this starter motor, only responsible start the engine.
The principle of work of the utility model serves as main the description with the principle of work of parallel-serial hybrid power:
Several kinds of mode of operations below the utility model can be realized:
1) pure electric automobile drive pattern
In motor independent drive process, tail-off, electric control clutch is in released state, and motor drives automobile through transmission system and main reduction gear.
Automobile uses second motor, 5 independent drive automobiles when low speed and electric weight abundance, control system 9 will drive electric control clutch 3 this moment, make electric control clutch 3 be in released state, and driving engine 1 is in closed condition.If this state lasts till that closed-center system 10 is lower than setting down in limited time; Have two states to select this moment: a kind of is to form the series hybrid pattern; Electric control clutch 3 states are constant, and first motor, 2 start the engines 1 drive first motor 2 by driving engine 1 and generate electricity; A kind ofly in addition be exactly, control system 9 is utilized first motor, 2 start the engines 1, and makes its revolution and second motor, 5 revolutions synchronous, drives electric control clutch 3 then to bonding state.Utilize engine-driven car this moment, simultaneously first motor 2 and second motor 5 are become electrical generator to closed-center system 10 chargings, and utilize control system 9 adjustment charging loads, make driving engine 1 be in optimum Working.
2) driving engine and motor parallel drive pattern
In driving engine and motor combination drive process, engine starting, electric control clutch is in bonding state, and driving engine and motor drive automobile simultaneously through transmission system and main reduction gear.
When need acceleration, climbing; Control system 9 will be utilized first motor, 2 start the engines 1; And it is its revolution and second motor, 5 revolutions is synchronous; Drive electric control clutch 3 then to bonding state, control system 9 control driving engine 1, first motor 2 and second motor, 5 driven in common automobiles are so that satisfy the acceleration demand of navigating mate.After speed is brought up to certain value, rely on driving engine 1 to drive, simultaneously first motor 2 and second motor 5 are become electrical generator to closed-center system 10 chargings, and utilize control system 9 adjustment charging loads, make driving engine 1 be in optimum Working.Maximum speed only relies on driving engine 1 to drive, and accomplishes the process of charging of closed-center system 10, and is ready for using next time.
3) driving engine independent drive
The driving engine independent drive is the same with parallelly connected driving condition, and different is that motor has two kinds of states, and a kind of is that motor charges to closed-center system as electrical generator, and motor is in the load charge condition; Second kind is motor idle running, does not promptly drive also and does not generate electricity.
After speed is brought up to certain value, rely on driving engine 1 to drive, simultaneously first motor 2 and second motor 5 are become electrical generator to closed-center system 10 chargings, and utilize control system 9 adjustment charging loads, make driving engine 1 be in optimum Working.Maximum speed only relies on driving engine 1 independent drive, and first motor 2 and 5 idle running of second motor neither drive, and also do not generate electricity, and this moment, closed-center system 10 was the Full Charge Capacity state, and is ready for using next time.
4) energy feedback pattern
A. slow down, braking energy feedback: control system 9 control energy are recovered to closed-center system 10, this moment is main rely on second motor 5 instead drag effect, second motor 5 to closed-center system 10 chargings, produces brake torque as generator for electricity generation simultaneously.To increase anti-towing tension square gradually according to brake-pedal travel in the braking procedure, guarantee the braking steady and smooth.
B. energy feedback during lower long slope: control system 9 is according to the rate of change of car speed; Can control driving engine 1, first motor 2 and second motor 5; Partly or entirely participate in the control speed of a motor vehicle, rationally utilize the driving engine damping brake with (or) the anti-towing tension square of motor, the control speed of a motor vehicle; Guarantee safety, reduce the brake system wearing and tearing.
C. slide the energy feedback for a long time: can drive electric control clutch 3 through control system 9; Make electric control clutch 3 be in released state, what rely on second motor 5 instead drags effect, and second motor 5 is as generator for electricity generation; To closed-center system 10 chargings, produce brake torque simultaneously; If electric weight is sufficient, can not separate electric control clutch 3, utilize driving engine to slow down naturally.
5) stopping for charging pattern
Before the starting or after stopping, if battery electric quantity is very low, control system 9 will be utilized first motor, 2 start the engines 1, drive first motor 2 by driving engine 1 and generate electricity, before start the engine 1, control system 9 will be separated electric control clutch 3.
What more than introduce is the principle of work of single clutch hybrid power system, is primarily aimed at the series-parallel connection mixed system and sees Fig. 1 and Fig. 2.Also having a kind of is parallelly connected mixed system, sees Fig. 3 and Fig. 4.First motor 2 is replaced by the starter motor on the driving engine, and starter motor can only start the engine, not have the function that drives and generate electricity, and all the other principles are identical.
Adopt the automobile of above-mentioned single clutch hybrid power system can assemble manual retaining, automatic catch change speed gear box or CVT progressive gear transmission, use the better effects if of CVT progressive gear transmission.As need gearshift, shift process with manually be the example explanation as follows: shift gears and still adopt the conventional clutch pedal, pushes pedals is just sent gear shifting signal; After control system 9 receives signal, at first judge it is which kind of drive pattern, if motor drive mode; This moment, electric control clutch 3 was in released state; Control system 9 should be controlled second motor 5 so, makes second motor, 5 rotors be in idle running or lower energy recovery state, and lower energy state does; Motor is maximum reclaim electric current 10% in, promptly can implement gearshift.Other state needs gearshift, and control system 9 control electric control clutchs 3 are in released state, and second motor 5 is controlled, and could shift gears smoothly.
The utility model can be realized the no-clutch gearshift of pure electric automobile; See also Fig. 5; Shown in Fig. 5 is the relation between gearshift of pure electric automobile no-clutch and the single clutch hybrid power system; Visible through Fig. 5, if with the driving engine in the fine rule frame 1, first motor 2 and electric control clutch 3 cancellations, this scheme just becomes pure electric automobile.Pure electric automobile can carry out the no-clutch gearshift, is the necessary condition that single clutch hybrid power system scheme can be implemented.When adopting Automatic Transmission, because of there are power-transfer clutch and brake system in Automatic Transmission inside, its essence does not belong to the single clutch hybrid power system category that this patent is set forth, and just repeats no more here.
The difference of orthodox car and the gearshift of single clutch hybrid vehicle: the key distinction between the two is that the rotor inertia of transmission system input shaft 13 is different.Orthodox car is when shifting gears, and the rotor inertia of transmission system input shaft 13 comprises: the rotor inertia of transmission system input shaft 13 and clutch-lining.Because the single clutch hybrid power system is connected second motor, 5 rotors on the transmission system input shaft 13; So the rotor inertia of transmission system input shaft 13 has increased the rotor inertia of second motor, 5 rotors on the basis of former transmission system input shaft 13 and clutch-lining, all the other are as broad as long.
Although combine accompanying drawing that the preferred embodiment of the utility model is described above; But the utility model is not limited to the above-mentioned specific embodiment, and the above-mentioned specific embodiment only is schematically, is not restrictive; Those of ordinary skill in the art is under the enlightenment of the utility model; Not breaking away under the scope situation that the utility model aim and claim protect, can also make a lot of forms, these all belong within the protection domain of the utility model.
Claims (8)
1. single clutch hybrid power system; Comprise: driving engine (1), first motor (2), electric control clutch (3), transmission system (4), second motor (5), main reduction gear (6), axle drive shaft (7), wheel (8), control system (9), closed-center system (10); It is characterized in that; The output shaft of said driving engine (1) is connected with said first motor (2) rotor; Said first motor (2) rotor is connected with the input shaft of said transmission system (4) through said electric control clutch (3); Said second motor (5) rotor is connected with the input shaft of said transmission system (4); The output shaft of said transmission system (4) is connected with the input shaft of said main reduction gear (6), and the output shaft of said main reduction gear (6) is connected with said wheel (8) through said axle drive shaft (7), and said closed-center system (10) is connected with said second motor (5) with said first motor (2) through said control system (9).
2. single clutch hybrid power system; Comprise: the driving engine (1), electric control clutch (3), transmission system (4), second motor (5), main reduction gear (6), axle drive shaft (7), wheel (8), control system (9), the closed-center system (10) that are provided with starter motor (11); It is characterized in that; The output shaft of said driving engine (1) is connected with the input shaft of said transmission system (4) through said electric control clutch (3); Said second motor (5) rotor is connected with the input shaft of said transmission system (4); The output shaft of said transmission system (4) is connected with the input shaft of said main reduction gear (6), and the output shaft of said main reduction gear (6) is connected with said wheel (8) through said axle drive shaft (7); Said closed-center system (10) is connected with said second motor (5) through said control system (9).
3. single clutch hybrid power system according to claim 1 and 2 is characterized in that, said control system (9) comprises car load RACS, motor control subsystem, power management subsystem and vehicle-mounted charge subsystem.
4. single clutch hybrid power system according to claim 1 and 2 is characterized in that, said transmission system (4) is Manual transmission, Automatic Transmission or CVT progressive gear transmission.
5. single clutch hybrid power system according to claim 1 and 2; It is characterized in that; When said transmission system (4) is Manual transmission; During gearshift, said control system (9) is controlled said electric control clutch (3) and is in released state, and control said second motor (5) make its rotor be in idle running or lower energy recovery state.
6. single clutch hybrid power system according to claim 1 and 2 is characterized in that, said closed-center system (10) is the composite power source device of electrokinetic cell, super capacitor or electrokinetic cell and super capacitor.
7. single clutch hybrid power system according to claim 1 and 2 is characterized in that, said closed-center system (10), and adding has the external charge device.
8. single clutch hybrid power system according to claim 5; It is characterized in that; Said electric control clutch (3) is when being in released state, and this system is the pure electric automobile drive pattern, realizes the gearshift of pure electric automobile no-clutch through control system (9) said second motor of control (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203497249U CN202200824U (en) | 2011-09-19 | 2011-09-19 | Single-clutch hybrid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203497249U CN202200824U (en) | 2011-09-19 | 2011-09-19 | Single-clutch hybrid system |
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| Publication Number | Publication Date |
|---|---|
| CN202200824U true CN202200824U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203497249U Expired - Lifetime CN202200824U (en) | 2011-09-19 | 2011-09-19 | Single-clutch hybrid system |
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| CN (1) | CN202200824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390248A (en) * | 2011-09-19 | 2012-03-28 | 天津清源电动车辆有限责任公司 | Hybrid power system of single clutch |
| CN102910059A (en) * | 2012-06-01 | 2013-02-06 | 重庆五洲龙新能源汽车有限公司 | Power system for hybrid vehicle and hybrid bus |
-
2011
- 2011-09-19 CN CN2011203497249U patent/CN202200824U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102390248A (en) * | 2011-09-19 | 2012-03-28 | 天津清源电动车辆有限责任公司 | Hybrid power system of single clutch |
| CN102910059A (en) * | 2012-06-01 | 2013-02-06 | 重庆五洲龙新能源汽车有限公司 | Power system for hybrid vehicle and hybrid bus |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120425 |
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| CX01 | Expiry of patent term |