CN207345472U - A kind of hybrid power system based on double-motor power coupling - Google Patents
A kind of hybrid power system based on double-motor power coupling Download PDFInfo
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- CN207345472U CN207345472U CN201721264801.4U CN201721264801U CN207345472U CN 207345472 U CN207345472 U CN 207345472U CN 201721264801 U CN201721264801 U CN 201721264801U CN 207345472 U CN207345472 U CN 207345472U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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Abstract
It the utility model is related to a kind of hybrid power system based on double-motor power coupling, it is connected with the driving wheel of automobile, for providing hybrid power for automobile, the system comprises power set, dynamic coupling device and arrangement of clutch, the power set include engine, first motor and the second motor, the dynamic coupling device respectively with engine, first motor and the connection of the second motor, the engine is located at the first side of dynamic coupling device, first motor and the second motor are located at the second side of dynamic coupling device, the arrangement of clutch is connected with power set and dynamic coupling device respectively.Compared with prior art, the utility model has the advantages that the problems such as small, cost is low, power transmission mode is more and solves oil leak.
Description
Technical field
Hybrid power system is the utility model is related to, more particularly, to a kind of hybrid power based on double-motor power coupling
System.
Background technology
With energy and environment problem getting worse, country greatly develops new-energy automobile.It is domestic at present to carry coupler
Hybrid power system have AMT parallel systems, but AMT transmission technologies are still immature at home, and during shifting gears in power
Disconnected more obvious, vehicle drive comfort is poor, and popularization is got up, and there are larger problem.Another dominant systems is double planet
The design of gear structure, although the configuration can make up coaxial combined hybrid system dynamic property deficiency and AMT parallel system pattern switchings
The problem of ride comfort, but on the one hand this problem of designing due to design structure, two motors are caused to can be only positioned at double row
The both sides of star gear structure, so as to cause the bulky of whole system, are not easy to install, on the other hand setting due to hollow shaft
There are many Leakages for meter；In addition bi-motor moment of torsion is larger causes system cost higher.As subsidy amount is gradually fallen off,
The difficulty for adding bigger is promoted for system.
Utility model content
The purpose of this utility model is to provide a kind of hybrid power system based on double-motor power coupling regarding to the issue above
System.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of hybrid power system based on double-motor power coupling, is connected with the driving wheel of automobile, for being carried for automobile
For hybrid power, the system comprises power set, dynamic coupling device and arrangement of clutch, the power set include starting
Machine, the first motor and the second motor, the dynamic coupling device are connected with engine, the first motor and the second motor respectively, institute
The first side that engine is located at dynamic coupling device is stated, first motor and the second motor are located at the second of dynamic coupling device
Side, the arrangement of clutch are connected with power set and dynamic coupling device respectively.
The dynamic coupling device includes single planet row and take-off (propeller) shaft, and the first side of the single planet row passes through
Arrangement of clutch is connected with engine, and the second side is connected with the first motor and the second motor respectively by arrangement of clutch, the output
Transmission shaft, is connected with the second side of single planet row and the driving wheel of automobile respectively.
The single planet row includes sun gear, planet carrier and gear ring, and the sun gear is connected with planet carrier to be collectively formed
First side of single planet row, the gear ring are connected the second side for being separately formed single planet row, the engine with planet carrier
It is connected by arrangement of clutch with planet carrier, first motor is connected by arrangement of clutch with gear ring, and second motor passes through
Arrangement of clutch is connected with sun gear.
The dynamic coupling device further includes reducer assemblies, the reducer assemblies respectively with the first motor, the second electricity
Machine is connected with single planet row, for carrying out deceleration torque to the output torque of the first motor and the second motor.
The reducer assemblies include the first retarder and the second retarder, first retarder respectively with the first motor
Connected with single planet row, second retarder is connected with the second motor and single planet row respectively.
The arrangement of clutch includes the first lock-up clutch, the second lock-up clutch and regime clutch, first lock
Only clutch is connected with engine and dynamic coupling device respectively, second lock-up clutch respectively with the second motor and power
Coupling device connects, and the regime clutch, is connected with the first motor and dynamic coupling device respectively.
The system also includes motor control assembly, the motor control assembly connects with the first motor and the second motor respectively
Connect, for controlling the working status of the first motor and the second motor.
The motor control assembly includes power supply and electric machine controller, and the power supply connects with electric machine controller
Connect, the electric machine controller is connected with the first motor and the second motor respectively.
The power supply includes power accumulator.
Compared with prior art, the utility model has the advantages that：
(1) by by engine arrangement in the first side of dynamic coupling device, while by the first motor and the second motor cloth
The second side of dynamic coupling device is placed in, realizes the homonymy arrangement of two motors, while based on the mode of this homonymy arrangement, will
Arrangement of clutch is connected with engine, the first motor, the second motor and dynamic coupling device respectively, so as to be realized by clutch for clutch control
The switching of a variety of power output patterns, this arrangement substantially reduces the volume of system, beneficial to popularization.
(2) dynamic coupling device includes single planet row and take-off (propeller) shaft, single planet row and existing double planet
The structure of row is compared, because double planet wheel rows of mixing reasons in structure, jackshaft oil sealing installation site is located at system synthesis both sides, motor shaft with
Middle shaft clearance is smaller, and oil sealing does not have enough oil lubrications, and intermediate-shaft speed changing box part connection coaxiality is poor, middle
Axial and radial bounce is larger, and oil sealing serious wear, causes oil sealing sealing to fail, therefore there is extremely serious Leakage, and
The utility model proposes structure then effectively solve Leakage, improve system performance.
(3) generator is connected by arrangement of clutch with planet carrier, and the first motor is connected by arrangement of clutch with gear ring, and second
Motor is connected by arrangement of clutch with sun gear, this connection mode, the mechanical efficiency of system is substantially increased, in pure electric vehicle mould
Under formula, by controlling arrangement of clutch to realize, two motors are carried out at the same time power output and the second motor individually into action edge
Output, when bi-motor exports power at the same time, due to the utility model proposes connection mode so that the output of two motors is turned round
Square realizes decoupling, improves work efficiency；When hybrid power exports, it is defeated that four kinds of power can be produced under the control of arrangement of clutch
Exit pattern, due to the setting of connection mode, solves the problems such as power cycle.
(4) dynamic coupling device further includes reducer assemblies, specifically include the first retarder for being connected with the first motor and
Second retarder of the second motor connection, the first retarder and the second retarder can be by the outputs of the first motor and the second motor
Deceleration torque is carried out, improves the work efficiency of system.
The setting of (5) first lock-up clutches allows system when needed to isolate engine, so that system can
Switched over being operated in electric model and hybrid mode；The setting of second lock-up clutch can be when needed by
Two motors are isolated, so that output is to driving wheel completely for the output power of engine, without being used for by the second electrical consumption
First motor can be isolated, solved due to the torsion of the second motor by the storage of electric energy, the setting of regime clutch when needed
Square output drives the first motor to dally, and phenomenon is lost in weak magnetic caused by.
(6) system further includes motor control assembly, and motor control assembly includes power supply and electric machine controller, motor
Controller can be controlled the working status of the first motor and the second motor, raising system work efficiency, and power supply
On the one hand can be that motor is powered for power accumulator, can be by the unnecessary electric energy of generation on the other hand when engine works
Store, improve energy utilization efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram of the hybrid power system based on double-motor power coupling；
Fig. 2 is the structure diagram of dynamic coupling device；
Fig. 3 is the speed in different conditions under pure electric mode of the hybrid power system based on double-motor power coupling
With the correspondence figure of max. output torque；
Fig. 4 is the car in different conditions under hybrid electric working pattern of the hybrid power system based on double-motor power coupling
The correspondence figure of speed and max. output torque；
Wherein, 1 is engine, and 2 be dynamic coupling device, and 3 be the first motor, and 4 be the second motor, and 5 be power accumulator,
6 be electric machine controller, and 7 be take-off (propeller) shaft, and 8 be vehicle bridge, and 9 be gear ring, and 10 be planet carrier, and 11 be sun gear, and 12 be the first lock
Only clutch, 13 be the second retarder, and 14 be regime clutch, and 15 be the first retarder, and 16 be the second lock-up clutch.
Embodiment
The utility model is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with the utility model
Implemented premised on technical solution, give detailed embodiment and specific operating process, but the guarantor of the utility model
Shield scope is not limited to following embodiments.
A kind of hybrid power system based on double-motor power coupling is provided in the present embodiment, is connected with the driving wheel of automobile
Connect, for providing hybrid power for automobile, which includes：Power set, including engine 1, the first motor 3 and the second motor
4, for providing hybrid power for automobile；Dynamic coupling device 2, connects with engine 1, the first motor 3 and the second motor 4 respectively
Connect, engine 1 is located at the first side of dynamic coupling device 2, and 3 and second motor 4 of the first motor is located at dynamic coupling device 2
The second side, be used for realization engine 1, the first motor 3 and the second motor 4 output power between coupling；Arrangement of clutch, point
It is not connected with power set and dynamic coupling device 2, for changing the work shape of engine 1, the first motor 3 and the second motor 4
State.
Wherein, dynamic coupling device 2 includes：Single planet row, the first side are connected by arrangement of clutch with engine 1, the
Two sides are connected with the first motor 3 and the second motor 4 respectively by arrangement of clutch, are used for realization engine 1, the first motor 3 and
Coupling between the output power of two motors 4；Take-off (propeller) shaft 7, respectively with the second side of single planet row and the driving of automobile
Wheel connection, the driving wheel for the coupling power transmission that exports single planet row to automobile.Single planet row includes sun gear
11st, planet carrier 10 and gear ring 9, sun gear 11 are connected the first side for collectively forming single planet row, gear ring 9 and row with planet carrier 10
Carrier 10 connects the second side for being separately formed single planet row, and engine 1 is connected by arrangement of clutch with planet carrier 10, the first electricity
Machine 3 is connected by arrangement of clutch with gear ring 9, and the second motor 4 is connected by arrangement of clutch with sun gear 11.Dynamic coupling device 2
Reducer assemblies are further included, reducer assemblies are connected with the first motor 3, the second motor 4 and single planet row respectively, for
The output torque of one motor 3 and the second motor 4 carries out deceleration torque.Reducer assemblies include the first retarder 15 and second and slow down
Device 13, the first retarder 15 are connected with the first motor 3 and single planet row respectively, the second retarder 13 respectively with the second motor 4
Connected with single planet row.Arrangement of clutch includes：First lock-up clutch 12, connects with engine 1 and dynamic coupling device 2 respectively
Connect, for determining whether engine 1 participates in power output；Second lock-up clutch 16, respectively with the second motor 4 and power coupling
Whether device 2 connects, participate in generating electricity in the case where hybrid power exports for determining the second motor 4；Regime clutch 14, point
It is not connected with the first motor 3 and dynamic coupling device 2, for determining that the first motor 3 is defeated in pure electric vehicle output and hybrid power
Whether power output is provided in the case of going out.System further includes motor control assembly, motor control assembly respectively with the first motor 3
Connected with the second motor 4, for controlling the working status of the first motor 3 and the second motor 4.Motor control assembly includes power supply electricity
Source and electric machine controller 6, power supply are connected with electric machine controller 6, and electric machine controller 6 is electric with the first motor 3 and second respectively
Machine 4 connects.Power supply includes power accumulator 5.
The hybrid power system realized according to said structure is as shown in Figure 1, the wherein structure of dynamic coupling device 2 such as Fig. 2
Shown, it can be seen from the figure that engine 1 is connected by the first lock-up clutch 12 with planet carrier 10, the first motor 3 passes through mould
Formula clutch 14 is connected with the first retarder 15, and the first retarder 15 is connected on gear ring 9, and the second motor 4 slows down by second
Device 13 is connected with sun gear 11, and the take-off (propeller) shaft 7 of dynamic coupling device 2 is connected to the vehicle bridge 8 for connecting driving wheel, the
One motor 3 and the second motor 4 are connected with electric machine controller 6 respectively, and electric machine controller 6 is connected with power accumulator 5.
By said structure, which has a different operating modes, specific pattern and in different moulds
The working status of each clutch is as shown in table 1 under formula：
The operating mode table of 1 hybrid power system of table
| Pattern | Regime clutch | First lock-up clutch | Second lock-up clutch |
| EV1 | With reference to | With reference to | Separation |
| EV2 | Separation | With reference to | Separation |
| EVT1 | Separation | Separation | Separation |
| EVT2 | With reference to | Separation | Separation |
| EVT3 | Separation | Separation | With reference to |
| EVT4 | With reference to | Separation | With reference to |
The each pattern mentioned in upper table, wherein EV1 and EV2 be electric-only mode under both of which, EVT1~EVT4
For four kinds of patterns under hybrid mode, each pattern is implemented as follows：
EV1：Vehicle start or climbing during the second lock-up clutch 16 separate, regime clutch 14, the first locking from
Clutch 12 combines, and 3 output torque of the first motor is exported to gear ring 9 after 15 reduction of speed torque of the first retarder；Second motor 4 is defeated
Go out moment of torsion to export to sun gear 11 after 13 reduction of speed torque of the second retarder, 10 locking of planet carrier, sun gear 11 is by after torque
Torque output to gear ring 9, exported after torque couple to transmission shaft.Under EV1 patterns, the first motor 3 and the second motor 4 are same
When participate in pure motor driving, therefore pure electric vehicle climbing capacity greatly improves.
EV2：When vehicle is travelled to higher speed, vehicle is exported without large torque, and regime clutch 14, second is locked at this time
Only clutch 16 separates, the first lock-up clutch 12 combines, 1 locking of engine.The first motor 3 is not involved in work under the pattern,
Vehicle pure motor driving is operated alone by the second motor 4,4 output torque of the second motor is after 13 reduction of speed torque of the second retarder
Then output is exported to transmission shaft to sun gear 11 by gear ring 9.Under EV2 patterns, because the first motor 3 does not rotate, so that
Weak magnetic loss is reduced, therefore pure electric vehicle efficiency greatly improves.
EVT1：When vehicle is travelled to higher speed, regime clutch 14, the first lock-up clutch 12, second are locked at this time
Only clutch 16 separates.The intervention of engine 1 is operated in best operating point, and engine 1 carries out power point by planetary gears
Stream, part energy act on the second motor 4 by sun gear 11 and generate electricity, and part energy passes through the output of gear ring 9 to biography
Moving axis, the first motor 3 is not involved in work under the pattern, and the power generation storage of the second motor 4 is follow-up pure motor driving to power battery
Energy is provided.The operating mode solve conventional planetary row configuration demand power it is smaller when the first motor 3 dally and cause system
The problem of less efficient.
EVT2：When vehicle needs to climb or overtake other vehicles in middle high speed, regime clutch 14 combines, the first locking clutch
Device 12, the second lock-up clutch 16 separate, and engine 1 carries out power dividing by planetary gears, and part energy passes through
Sun gear 11 acts on the second motor 4 and generates electricity, and part energy after being shunted through gear ring 9 by exporting to transmission shaft, and the
One motor, 3 output torque is exported after 15 reduction of speed torque of the first retarder to gear ring 9, with engine 1 shunt torque couple with
After export to transmission shaft.The operating mode solves engine 1 under high speed hybrid mode and scarce capacity is operated alone
Problem.
EVT3：When vehicle travels paramount speed, regime clutch 14, the first lock-up clutch 12 separate at this time, and second
Lock-up clutch 16 combines, and the first motor 3, the second motor 4 are not involved in work and keep zero-turn.Engine 1 is defeated under the pattern
Go out moment of torsion and be directly output to transmission shaft through gear ring 9, engine 1 enters straight drive pattern, which solves planet row hybrid power system
Ingoing power circulation and the problem of the relatively low excessive system effectiveness brought of 3 rotating speed of the first motor under system high-speed working condition.
EVT4：When vehicle needs to overtake other vehicles in high speed, the first lock-up clutch 12 separates at this time, regime clutch 14,
Second lock-up clutch 16 combines, and the second motor 4 is not involved in work.1 output torque of engine is directly defeated through gear ring 9 under the pattern
Go out to transmission shaft, engine 1 enters straight drive pattern, and 3 output torque of the first motor is defeated after 15 reduction of speed torque of the first retarder
Go out to gear ring 9, exported after being coupled with 1 output torque of engine to transmission shaft.The pattern solves planet row hybrid power system
Engine 1 directly drives the problem of underpower under high-speed working condition.
The hybrid power system configuration is can be seen that from above-mentioned implementation procedure and belongs to multimode system, passes through regime clutch
14 and two lock-up clutches form two kinds of pure electric modes and four kinds of hybrid electric working patterns, adapt to respectively different
Duty requirements.Above two pure electric mode and four kinds of hybrid electric working patterns have each different advantages.From figure
3rd, Fig. 4, which can be seen that different working modes under same speed, oneself corresponding max. output torque, is run in actual
Suitable operating mode is selected according to specific operating mode and vehicle demand in journey.
The driving cycle and advantage that its specific two kinds of pure electric mode adapts to are as follows：
EV1：Bi-motor participates in driving, therefore moment of torsion decouples.Solving the problems, such as pure electric vehicle operating mode low speed climbing capacity deficiency
While, ensure that two motors can be operated in high efficiency range；
EV2：When demand torque is smaller under solution pure electric vehicle operating mode, single motor-driven while another motor free-running belt is come
Ineffective systems the problem of；
The driving cycle and advantage of its specific four kinds of hybrid electric working mode adaptive are as follows：
EVT1：Under the hybrid electric working pattern, the first motor 3 is not involved in work.It is dynamic to solve the mixing of planet heat-extraction system
The problem of ineffective systems that 3 free-running belt of the first motor is come under force mode；
EVT2：Under the hybrid electric working pattern, the first motor 3 participates in power-assisted, solves engine 1 under high speed operating mode
The problem of driving power is insufficient；
EVT3：Under the hybrid electric working pattern, the first motor 3, the second motor 4 are not involved in work, and engine 1 enters
It is straight to drive pattern.Solves the ingoing power circulation and the first motor 3 rotating speed is excessive brings under high-speed working condition of planet heat-extraction system
The problem of system effectiveness is relatively low；
EVT4：Under the hybrid electric working pattern, 4 locking of the second motor is not involved in work, and the first motor 3 participates in power-assisted,
The pattern solves the problems, such as that engine 1 directly drives underpower under planet row hybrid power system high-speed working condition.
The hybrid power system, because its special planet row configuration design can realize that multimode switches, effectively solves original
Many defects existing for planet heat-extraction system.It can reduce by the first motor 3 while vehicle climbing and accelerating ability requirement is met
With the peak torque of the second motor 4；Realize that electric-machine directly-driven pattern and engine 1 are straight while vehicle driving cycle requirement is met
Drive pattern；Simultaneously as being single design, Leakage existing for double system is efficiently solved.Met based on above-mentioned advantage
The design requirement of dual motors system can be reduced while vehicle demand, cost is low.Simultaneously as it is again big to solve Leakage
The big reliability for adding system.In terms of vehicle performance advantage, directly to be driven because there are electric-machine directly-driven pattern and engine 1 at the same time
Pattern, therefore system effectiveness greatly improves.Under the national policy environment that subsidy is gradually fallen off, which has greater advantage,
Therefore the hybrid power system has larger popularization space.
Claims (9)
1. a kind of hybrid power system based on double-motor power coupling, is connected with the driving wheel of automobile, for being provided for automobile
Hybrid power, it is characterised in that the system comprises power set, dynamic coupling device and arrangement of clutch, the power set
Including engine, the first motor and the second motor, the dynamic coupling device respectively with engine, the first motor and the second motor
Connection, the engine are located at the first side of dynamic coupling device, and first motor and the second motor are located at power coupling dress
The second side put, the arrangement of clutch are connected with power set and dynamic coupling device respectively.
2. the hybrid power system according to claim 1 based on double-motor power coupling, it is characterised in that the power
Coupling device includes single planet row and take-off (propeller) shaft, and the first side of the single planet row passes through arrangement of clutch and engine
Connection, the second side is connected with the first motor and the second motor respectively by arrangement of clutch, the take-off (propeller) shaft, respectively with it is single
Second side of planet row is connected with the driving wheel of automobile.
3. the hybrid power system according to claim 2 based on double-motor power coupling, it is characterised in that described single
Planet row includes sun gear, planet carrier and gear ring, and the sun gear is connected with planet carrier collectively forms the first of single planet row
Side, the gear ring are connected the second side for being separately formed single planet row with planet carrier, and the engine passes through arrangement of clutch and row
Carrier connects, and first motor is connected by arrangement of clutch with gear ring, and second motor passes through arrangement of clutch and sun gear
Connection.
4. the hybrid power system according to claim 2 based on double-motor power coupling, it is characterised in that the power
Coupling device further includes reducer assemblies, and the reducer assemblies connect with the first motor, the second motor and single planet row respectively
Connect, for carrying out deceleration torque to the output torque of the first motor and the second motor.
5. the hybrid power system according to claim 4 based on double-motor power coupling, it is characterised in that the deceleration
Device assembly includes the first retarder and the second retarder, and first retarder connects with the first motor and single planet row respectively
Connect, second retarder is connected with the second motor and single planet row respectively.
6. the hybrid power system according to claim 1 based on double-motor power coupling, it is characterised in that the clutch
Device includes the first lock-up clutch, the second lock-up clutch and regime clutch, first lock-up clutch respectively with hair
Motivation is connected with dynamic coupling device, and second lock-up clutch is connected with the second motor and dynamic coupling device respectively, institute
Regime clutch is stated, is connected respectively with the first motor and dynamic coupling device.
7. the hybrid power system according to claim 1 based on double-motor power coupling, it is characterised in that the system
Motor control assembly is further included, the motor control assembly is connected with the first motor and the second motor respectively, for controlling first
The working status of motor and the second motor.
8. the hybrid power system according to claim 7 based on double-motor power coupling, it is characterised in that the motor
Control device includes power supply and electric machine controller, and the power supply is connected with electric machine controller, the electric machine controller
It is connected respectively with the first motor and the second motor.
9. the hybrid power system according to claim 8 based on double-motor power coupling, it is characterised in that the power supply
Power supply includes power accumulator.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572396A (en) * | 2017-09-29 | 2019-04-05 | 上海电驱动股份有限公司 | A kind of hybrid power system based on double-motor power coupling |
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2017
- 2017-09-29 CN CN201721264801.4U patent/CN207345472U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109572396A (en) * | 2017-09-29 | 2019-04-05 | 上海电驱动股份有限公司 | A kind of hybrid power system based on double-motor power coupling |
| CN109572396B (en) * | 2017-09-29 | 2023-11-28 | 潍坊佩特来电器有限公司 | Hybrid power system based on double-motor power coupling |
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Effective date of registration: 20200102 Address after: 261031 southwest corner of the intersection of Gaoxin 3rd road and Taoyuan Street, Weifang Comprehensive Bonded Zone, Weifang City, Shandong Province (supporting area) Patentee after: WEIFANG PAITELAI ELECTRIC CO., LTD. Address before: 200240 Shanghai city Minhang District Jianchuan road 953 Lane 322 Co-patentee before: Shanghai Automobile Eorive Co.,Ltd. Patentee before: SHANGHAI EDRIVE CO., LTD. Co-patentee before: Shanghai Automobile Eorive Engineering Technology Research Center Co.,Ltd. |
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| TR01 | Transfer of patent right |