CN109795304A - A kind of hybrid power system and vehicle - Google Patents
A kind of hybrid power system and vehicle Download PDFInfo
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- CN109795304A CN109795304A CN201711146958.1A CN201711146958A CN109795304A CN 109795304 A CN109795304 A CN 109795304A CN 201711146958 A CN201711146958 A CN 201711146958A CN 109795304 A CN109795304 A CN 109795304A
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- clutch
- sun gear
- planet carrier
- hybrid power
- power system
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Abstract
The present invention relates to a kind of hybrid power system and vehicles.Brake apparatus is connected on rear gear ring with the rotation and stopping of gear ring after controlling, the separation and connection of the two are realized by clutch between two in rear sun gear, gear ring, planet carrier, it is realized by the cooperation of two brake apparatus and the revolving speed of No. two motors is controlled, with the demand with heavy duty climbing that adapts to run at high speed；The free switching of the multiple drive modes such as a variety of pure electric vehicles, a variety of mixed dynamic, engine direct drives and multiple kinds of energy recycling may be implemented by the synergistic effect of two control devices and a clutch, improve dynamical system efficiency, and No. two motors can be avoided servo-actuated when running at high speed, to avoid energy dissipation, the dynamic property and economy of mixed motor-car are significantly improved.
Description
Technical field
The present invention relates to a kind of hybrid power system and vehicles.
Background technique
New-energy automobile development at present is swift and violent, becomes the research hotspot of current automotive industry, according to drive system structure cloth
The difference set, existing hybrid power system are divided into 3 kinds of series, parallel, mixed connection.Series-parallel hybrid electric system can take into account string
The advantages of connection, parallel system, and by pro-gaze, the most successful THS system for being undoubtedly Toyota of current series-parallel hybrid electric system
System, but transmission efficiency is lower when THS leads to high speed using the single mode power dividing mode of single planetary row structure, it is general to develop
Double or multiple rows of planet row dynamical system, although transmission efficiency when improving low speed and high speed, system structure is complicated, control
Difficulty processed is larger.
It is dynamic that application publication number is that the Chinese patent of CN103448529A discloses a kind of electric mixed connection mixing of planetary bimodulus oil
Force system, the combined hybrid system include engine, No.1 motor, inverter, super capacitor (being equivalent to electrical source of power), No. two electricity
Machine, preceding planet row, rear planet row, clutch (being equivalent to the first brake apparatus), input shaft and system output shaft, preceding planet
Row respectively includes preceding planet carrier, preceding sun gear, preceding planetary gear and front ring gear, and rear planet row respectively includes rear planet carrier, the rear sun
Wheel, rear planetary gear and rear gear ring, engine are connect by shaft coupling with input shaft, and preceding planet row is sleeved on input shaft
Right end, for No.1 motor empty set in the left end of input shaft, the left end of the right end of No.1 motor and preceding planet row is that spline connects
It connects, clutch is that spline is connect with preceding planet row, and preceding planet row is that spline is connect with system output shaft, and rear planet row, which is sleeved on, is
It unites on output shaft, for No. two motor empty sets in the right end of system output shaft, the right end of the left end of No. two motors and rear planet row is flower
Key connection.
Although the system is able to achieve the switching of several modes, but still remain following deficiency:
(1) No. two motors can not be adjusted without speed change gear, operating point when pure electric vehicle, cannot be considered in terms of high speed and big climbing
Degree；
(2) when running at high speed, No. two motors are lost with unloading in weak magnetic always.
Summary of the invention
The purpose of the present invention is to provide a kind of hybrid power systems, to solve electric-only mode existing in the prior art
No. two motors can not No. two gearshift adjustment, mode of running at high speed motors with turning to cause the function-drivens model comparision list such as electric energy loss
One the technical issues of；The object of the invention is also to provide a kind of vehicles using above-mentioned hybrid power system.
To achieve the above object, hybrid power system of the invention adopts the following technical scheme that:
Technical solution 1: hybrid power system includes forward and backward planet row, and preceding planet carrier is sequentially connected with engine, the preceding sun
It takes turns and is sequentially connected with No.1 motor, the first brake apparatus, front ring gear are equipped on preceding sun gear or No.1 motor or between the two
It is sequentially connected with system output shaft, rear planet carrier and the system output shaft are sequentially connected, and rear sun gear is sequentially connected with No. two
Motor, hybrid power system further include the inverter being electrically connected respectively with No.1, No. two motors and are electrically connected with inverter
Electrical source of power, rear gear ring be connected with control after ring gear against rotation and stop the second brake apparatus, rear sun gear, rear planet carrier and after
Two of them in gear ring are connected by first clutch to be connected and separates to realize.
Technical solution 2: on the basis of technical solution 1, rear sun gear is connected with rear planet carrier by first clutch.
Technical solution 3: on the basis of technical solution 1, rear sun gear is connected with rear gear ring by first clutch.
Technical solution 4: on the basis of technical solution 1, rear planet carrier is connected with rear gear ring by first clutch.
Technical solution 5: on the basis of technical solution 1-4 any one, the first brake apparatus and/or the second brake apparatus
For brake or clutch.
The utility model has the advantages that the present invention controlled by connecting the second brake apparatus on rear gear ring after gear ring rotation and stop
Only, by between two in rear sun gear, rear gear ring and rear planet carrier by first clutch realize both separation and
Connection can be achieved to control the revolving speed of No. two motors, realizes that high speed is low by the cooperation of the second brake apparatus and first clutch
Demand of the switching of load and low speed top load mode to adapt to run at high speed and heavy duty is climbed；Pass through two brake apparatus and one
It is more that a variety of pure electric vehicles, a variety of mixed dynamic, engine direct drives and multiple kinds of energy recycling etc. may be implemented in the synergistic effect of a clutch
The free switching of kind drive mode, improves dynamical system efficiency, and can avoid No. two motors servo-actuated when running at high speed, from
And energy dissipation is avoided, significantly improve the dynamic property and economy of mixed motor-car.
Vehicle of the invention adopts the following technical scheme that:
Technical solution 1: vehicle includes hybrid power system and is sequentially connected with the system output shaft of hybrid power system
Drive axle, the wheel that is assemblied on drive axle, hybrid power system includes forward and backward planet row, and preceding planet carrier is sequentially connected with
Engine, preceding sun gear are sequentially connected with No.1 motor, and the first system is equipped on preceding sun gear or No.1 motor or between the two
Dynamic device, front ring gear are sequentially connected with system output shaft, and rear planet carrier and the system output shaft are sequentially connected, and rear sun gear passes
It is dynamic to be connected with No. two motors, hybrid power system further include the inverter being electrically connected respectively with No.1, No. two motors and with it is inverse
Become device electrical connection electrical source of power, rear gear ring be connected with control after ring gear against rotation and stop the second brake apparatus, rear sun gear,
The two of them in planet carrier and rear gear ring are connected by first clutch afterwards connects and separates to realize.
Technical solution 2: on the basis of technical solution 1, rear sun gear is connected with rear planet carrier by first clutch.
Technical solution 3: on the basis of technical solution 1, rear sun gear is connected with rear gear ring by first clutch.
Technical solution 4: on the basis of technical solution 1, rear planet carrier is connected with rear gear ring by first clutch.
Technical solution 5: on the basis of technical solution 1-4 any one, the first brake apparatus and/or the second brake apparatus
For brake or clutch.
The utility model has the advantages that the present invention controlled by connecting the second brake apparatus on rear gear ring after gear ring rotation and stop
Only, by between two in rear sun gear, rear gear ring and rear planet carrier by first clutch realize both separation and
Connection can be achieved to control the revolving speed of No. two motors, realizes that high speed is low by the cooperation of the second brake apparatus and first clutch
Demand of the switching of load and low speed top load mode to adapt to run at high speed and heavy duty is climbed；Pass through two brake apparatus and one
It is more that a variety of pure electric vehicles, a variety of mixed dynamic, engine direct drives and multiple kinds of energy recycling etc. may be implemented in the synergistic effect of a clutch
The free switching of kind drive mode, improves dynamical system efficiency, and can avoid No. two motors servo-actuated when running at high speed, from
And energy dissipation is avoided, significantly improve the dynamic property and economy of mixed motor-car.
Detailed description of the invention
Fig. 1 is the schematic illustration of the hybrid power system in the embodiment 1 of vehicle of the invention；
Fig. 2 is the schematic illustration of the hybrid power system in the embodiment 2 of vehicle of the invention；
Fig. 3 is the schematic illustration of the hybrid power system in the embodiment 3 of vehicle of the invention；
In figure: 1, engine；2, torsion vibration absorber；3, No.1 motor；4, electric machine controller；5, the first brake (or
Clutch)；6A, the first planet toothrow circle；6B, the first planet rows of planetary frame；6C, the first planet row sun gear；7, electrical source of power；
8, second brake (or clutch)；9A, the second planet row gear ring；9B, the second planet row planet carrier；9C, the second planet row
Sun gear；10, first clutch；11, No. two motors；12, output shaft；13, rear axle；14, tire.
Specific embodiment
Embodiments of the present invention are described further with reference to the accompanying drawing.
The embodiment 1 of vehicle of the invention: vehicle includes car body and hybrid power system, as shown in Figure 1, hybrid power
System includes engine 1, torsion vibration absorber 2, No.1 motor 3, electric machine controller 4, the first brake (or clutch) 5,
One planet toothrow circle 6A, the first planet rows of planetary frame 6B, the first planet row sun gear 6C, electrical source of power 7, second brake (or
Person's clutch) the 8, second planet row gear ring 9A, the second planet row planet carrier 9B, the second planet row sun gear 9C, first clutch
10, No. two motors 11, output shaft 12, rear axle 13, tire 14.The output shaft of engine 1 passes through torsion vibration absorber 2 and the first planet
Seniority among brothers and sisters carrier 6B is connected；The rotor of No.1 motor 3 and the first brake (or clutch) 5 and the first planet row sun gear
6C is connected；First planet toothrow circle 6A is connected with the second planet row planet carrier 9B and is connected with output shaft 12；No. two electricity
The rotor of machine 11 is connected with the second planet row sun gear 9C；First clutch 10 is according to different arrangements, connection type
Difference, the scheme of the present embodiment are as follows: first clutch one end and the second planet row planet carrier 9B, the rotor of one end and No. two motors
11 connections.
Specific works mode are as follows:
One, mainly include two kinds of operating modes under electric-only mode:
1, pure electric mode 1, the pure power mode of low speed: the first brake (or clutch) 5 is in Unlocked state,
Second brake (or clutch) 8 is in locking state, 10 Unlocked state of first clutch.The input of system at this time is two
Number motor 11, exports as output shaft 12, specific torque relationship are as follows: Tout=k2TMG2, wherein k2For the second planet row gear ring 9A half
The ratio of diameter and sun gear 9C radius, TMG2For No. two 11 torques of motor, ToutFor the output torque of output shaft, it is pure to be suitable for low speed
Electricity and operating condition of climbing greatly.
2, pure electric mode 2, the pure power mode of high speed: the first brake (or clutch) 5 is in Unlocked state,
Second brake (or clutch) 8 is in Unlocked state, and first clutch 10 is in locking state.The input of system at this time
For No. two motors 11, export as output shaft 12, specific torque relationship are as follows: Tout=TMG2, TMG2For No. two 11 torques of motor, Tout
For the output torque of output shaft, it is suitble to the pure electrician's condition of high speed.
Two, mainly include two kinds of operating modes under hybrid mode:
1, dynamic model formula 1 is mixed, mixed on low speed dynamic mode: the first brake (or clutch) 5 is in Unlocked state, the
Two brakes (or clutch) 8 are in locking state, 10 Unlocked state of first clutch.The input of system at this time is to start
Machine 1 and No. two motors 11 export as output shaft 12, specific torque relationship are as follows: Tout=k1/(1+k1)TE+TMG2k2, wherein k1For
The ratio of first planet toothrow circle 6A radius and sun gear 6C radius, k2For the second planet row gear ring 9A radius and sun gear 9C half
The ratio of diameter, TMG2For No. two 11 torques of motor, TEFor the torque of engine 1, ToutFor the output torque of output shaft, it is suitable for low
Speed mixes dynamic and operating condition of climbing greatly.
2, dynamic model formula 2 is mixed, mixed at high speed dynamic mode: the first brake (or clutch) 5 is in Unlocked state, the
Two brakes (or clutch) 8 are in Unlocked state, 10 locking state of first clutch.The input of system at this time is to start
Machine 1 and No. two motors 11 export as output shaft 12, specific torque relationship are as follows: Tout=k1/(1+k1)TE+TMG2, wherein k1For
The ratio of first planet toothrow circle 6A radius and sun gear 6C radius, TMG2For No. two 11 torques of motor, TEFor turning for engine 1
Square, ToutFor the output torque of output shaft, pass through the release of second brake (or clutch) 8 and the lock of first clutch 10
Only, the revolving speed for reducing No. two motors 11 is suitable for the mixed condition of starting building of high speed.
Three, engine direct drive mode: the first brake (perhaps clutch) 5 be in locking state second brake (or
Clutch) 8 be in Unlocked state, 10 Unlocked state of first clutch.The input of system at this time is engine 1, exports and is
Output shaft 12, specific torque relationship are as follows: Tout=k1/(1+k1)TE, wherein k1For the first planet toothrow circle 6A radius and the sun
Take turns the ratio of 6C radius, TEFor the torque of engine 1, ToutFor the output torque of output shaft, it is suitable for vehicle to run at high speed,
And vehicle power demand is located at the driving operating condition in engine high-efficiency area, avoids existing combined hybrid system and exists when engine direct drives
Electromechanical transformation problem, improve the efficiency of dynamical system.
Four, Brake energy recovery mode includes both of which:
1, Brake energy recovery mode 1, speed operation Brake energy recovery:
First brake (perhaps clutch) 5 is in Unlocked state second brake (or clutch) 8 and is in locked
State, 10 Unlocked state of first clutch,.The input of system at this time is output shaft 12, is exported as No. two motors 11, specifically
Torque relationship are as follows: TMG2=1/k2Tout, wherein k2For the ratio of the second planet row gear ring 9A radius and sun gear 9C radius, TMG2
For No. two 11 torques of motor, ToutFor output shaft torque, it is suitable for low speed damped condition.
2, Brake energy recovery mode 2, high-speed working condition Brake energy recovery:
First brake (perhaps clutch) 5 is in Unlocked state second brake (or clutch) 8 and is in non-lock
Death situation state, 10 locking state of first clutch.The input of system at this time is output shaft 12, is exported as No. two motors 11, specifically
Torque relationship are as follows: TMG2=Tout, wherein TMG2For No. two 11 torques of motor, ToutFor output shaft torque, it is suitable for high speed and brakes work
Condition.
Following table is under several modes, and the working condition of specific each components is shown in Table 1:
Table 1
Embodiment 2: difference from example 1 is that, as shown in Fig. 2, one end of first clutch 10 and the second row
Star toothrow circle 9A connection, the other end are connect with the rotor of No. two motors 11, the course of work phase of the course of work and embodiment 1
Seemingly, it repeats no more.
Embodiment 3: with implement 1 the difference is that, as shown in figure 3, one end of first clutch 10 and the second planet
The 9A connection of toothrow circle, the other end are connect with the second planet row planet carrier 9B, the course of work phase of the course of work and embodiment 1
Seemingly, it repeats no more.
In other embodiments: the first, second brake (or clutch) also can be replaced other kinds of braking dress
It sets；The component that outputs and inputs of preceding planet row also can be changed, such as can be changed to be exported using planet carrier.
Hybrid power system in the embodiment of hybrid power system of the invention and each embodiment of vehicle of the invention
Each embodiment it is identical, repeat no more.
Claims (10)
1. hybrid power system, including forward and backward planet row, preceding planet carrier is sequentially connected with engine, preceding sun gear transmission connection
There is a No.1 motor, the first brake apparatus is equipped on preceding sun gear or No.1 motor or between the two, front ring gear is sequentially connected with
System output shaft, rear planet carrier and the system output shaft are sequentially connected, and rear sun gear is sequentially connected with No. two motors, and mixing is dynamic
Force system further include respectively with No.1, the inverter that No. two motors are electrically connected and the electrical source of power being electrically connected with inverter,
It is characterized in, rear gear ring is connected with ring gear against rotation and the second brake apparatus stopped after control, rear sun gear, rear planet carrier and rear tooth
Two of them in circle are connected by first clutch to be connected and separates to realize.
2. hybrid power system according to claim 1, characterized in that rear sun gear and rear planet carrier pass through the first clutch
Device connection.
3. hybrid power system according to claim 1, characterized in that rear sun gear and rear gear ring pass through first clutch
Connection.
4. hybrid power system according to claim 1, characterized in that rear planet carrier and rear gear ring pass through first clutch
Connection.
5. hybrid power system according to any one of claims 1-4, characterized in that the first brake apparatus and/or
Two brake apparatus are brake or clutch.
6. vehicle, drive axle, the dress being sequentially connected including hybrid power system and with the system output shaft of hybrid power system
Fit over the wheel on drive axle, hybrid power system includes forward and backward planet row, and preceding planet carrier is sequentially connected with engine, it is preceding too
Sun, which is taken turns, is sequentially connected with No.1 motor, and the first brake apparatus, nipper are equipped on preceding sun gear or No.1 motor or between the two
Circle is sequentially connected with system output shaft, and rear planet carrier and the system output shaft are sequentially connected, and rear sun gear is sequentially connected with two
Number motor, hybrid power system further include the inverter being electrically connected respectively with No.1, No. two motors and are electrically connected with inverter
Electrical source of power, characterized in that rear gear ring is connected with ring gear against rotation and the second brake apparatus stopped after control, rear sun gear,
The two of them in planet carrier and rear gear ring are connected by first clutch afterwards connects and separates to realize.
7. vehicle according to claim 6, characterized in that rear sun gear is connected with rear planet carrier by first clutch.
8. vehicle according to claim 6, characterized in that rear sun gear is connected with rear gear ring by first clutch.
9. vehicle according to claim 6, characterized in that rear planet carrier is connected with rear gear ring by first clutch.
10. according to vehicle described in claim 6-9 any one, characterized in that the first brake apparatus and/or the second braking dress
It is set to brake or clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146958.1A CN109795304A (en) | 2017-11-17 | 2017-11-17 | A kind of hybrid power system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711146958.1A CN109795304A (en) | 2017-11-17 | 2017-11-17 | A kind of hybrid power system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109795304A true CN109795304A (en) | 2019-05-24 |
Family
ID=66554792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711146958.1A Withdrawn CN109795304A (en) | 2017-11-17 | 2017-11-17 | A kind of hybrid power system and vehicle |
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| Country | Link |
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| CN (1) | CN109795304A (en) |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 6, Yutong Road, Guancheng Hui District, Zhengzhou, Henan 450061 Applicant after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Applicant before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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Application publication date: 20190524 |