CN207045126U - A kind of hybrid transmissions using single planetary row mechanism - Google Patents
A kind of hybrid transmissions using single planetary row mechanism Download PDFInfo
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- CN207045126U CN207045126U CN201720374557.0U CN201720374557U CN207045126U CN 207045126 U CN207045126 U CN 207045126U CN 201720374557 U CN201720374557 U CN 201720374557U CN 207045126 U CN207045126 U CN 207045126U
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- hybrid transmissions
- gear
- connecting shaft
- planet
- motor
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Abstract
A kind of hybrid transmissions using single planetary row mechanism, including the first motor, the second motor, single planetary row and reduction gear.Transmission device is provided with a brake and two clutches, can realize the pure electric Drive Mode and two kinds of hybrid power drive patterns of two gears.When hybrid power drives using input power shunting and fixed speed ratio pattern, ensure vehicle in middle low speed and can be operated in when running at high speed between high efficient area.
Description
Technical field
Vehicle drive-train technical field is the utility model is related to, is exactly specifically to be related to one kind to use single planetary row mechanism
Hybrid transmissions.
Background technology
Environmental pollution and problems of energy consumption so that major motor corporation is all actively researching and developing energy-saving and environment-friendly automobile, mainly
Concentrate on improvement, the exploitation of new energy dynamical system of internal-combustion engine system.Technically the hybrid power system of comparative maturity turns into
Solve automobile energy consumption and the possible technique scheme of environmental pollution at this stage, and pure electricity can be realized by the design of transmission device
Dynamic and hybrid power operational mode performance requirement.
The content of the invention
The utility model provides a kind of hybrid transmissions simple in construction using single planetary row mechanism, by changing
Keep off element with the electric-only mode and two kinds of hybrid power drive patterns for realizing two gears.Meet in electric-only mode
Low-speed big and the requirement of high speed operation, hybrid mode use dynamic branch pattern and fixed speed ratio pattern,
Dynamical system is enabled to operate in efficient state.
For achieving the above object, it is proposed that following technical scheme：
A kind of hybrid transmissions using single planetary row mechanism, including the first motor, the second motor, single planetary row
Mechanism and reduction gear mechanism, it is characterised in that:
The hybrid transmissions use first planet arrangement mechanism the second planet arrangement mechanism Liang Ge single planetary rows mechanism,
First planet arrangement mechanism includes the first sun gear, the first planetary gear, the first planet carrier and the first external toothing, first sun gear
Engaged with the first planetary gear, the first planetary gear engages with the first external toothing simultaneously.First external toothing is fixed on first
On connecting shaft, power output shaft of first connecting shaft as the first planet row.First sun gear and center axis connection, central shaft with
The rotor connection of first motor.The first brake is set between first planet carrier and hybrid transmissions casing,
First clutch is set between the first planet carrier and hybrid transmissions input shaft, in the central shaft and the first connecting shaft
Between second clutch is set.Second planet arrangement mechanism includes the second sun gear, the second planetary gear, outside the second planet carrier and second
Gear ring, second sun gear are fixed on hybrid transmissions casing, and second planet carrier is connected with the first connecting shaft,
Second external toothing is connected with the rotor of the second motor.First reduction gearing is installed on the first connecting shaft, described first slows down
Gear is engaged with the second reduction gearing on gear connecting shaft, and the 3rd reduction gearing on gear connecting shaft is nibbled with differential mechanism reduction gearing
Close.The power output of hybrid transmissions is transferred to vehicle semiaxis by differential mechanism.
The first clutch and second clutch use multi-disc friction element, and first brake uses multi-disc friction
Element or the one-way clutch mechanism with bidirectional locking function.The second clutch can also centrally disposed axle and first
Between planet carrier or it is arranged between the first connecting shaft and the first planet carrier, each element of the first planet row can be allowed relatively quiet
Only, the function of unitary rotation is realized.
The first planet arrangement mechanism that the present invention uses coordinates each power source and power output as power coupling mechanism.The
Two planet arrangement mechanisms play the function of fixed speed ratio, adjust the rotating speed and torque output of the second motor.Second planet arrangement mechanism is each
The annexation of element can also be arranged to the second sun gear and is connected with the rotor of the second motor, and the second external toothing is fixed on transmission
On device box, the second planet carrier is connected with the first connecting shaft；Or be arranged to the second sun gear and be connected with the rotor of the second motor,
Second planet carrier is fixed on transmission device casing, and the second external toothing is connected with the first connecting shaft.
Second rotor can also directly be connected with the first connecting shaft or engage output with the second reduction gearing by gear
Power, it is more beneficial for reducing product cost.
In electric-only mode, first arrester close is individually controlled to realize the pure electronic mould of the first fixation gear
Formula, driven jointly using the first motor or the second motor or two motors；With the increase of speed, in order to prevent the first motor
Rotating speed it is too high, control the first brake open, control the first motor rotating speed close to the second motor speed, then close second
Clutch, now the first planet row unitary rotation will be reduced into mechanical loss, i.e., second between each element without relative rotation
Keep off fixed speed ratio electric-only mode.
In hybrid power drive pattern, the power that closure first clutch exports engine is transferred to planet carrier, this
When dynamical system with dynamic branch mode of operation run, as main hybrid mode.Pass through control the in this mode
The working speed of one motor, the operating point of engine is adjusted, realize that engine speed decouples with speed so that engine can be steady
It is scheduled on economic section.First motor output negative torque is used for balanced engine moment of torsion, and now the first motor is from engine obtaining portion
Divide power to be in generating state, electric energy is stored in battery or the second motor of supply uses.Remaining power of engine will pass through row
The mechanical path of Xing Pai mechanisms is transferred to output shaft.The power output of engine will be transferred to defeated by power path and mechanical path
Shaft, i.e. dynamic branch mode of operation.Although the transmission efficiency of power path is relatively low, the mode of operation of dynamic branch to start
Machine can work long hours in high efficiency range so that dynamical system integrally obtains benefited.
In hybrid power high speed traveling, engine itself can be operated in high efficiency range, be now closed again second from
Clutch, dynamical system realize fixed drive ratio drive pattern, now engine be operated alone or simultaneously with two motors or and its
In a motor drive vehicle jointly.
Cancel input shaft and first clutch, the pure electric gear shift(ing) that the transmission device is also used as a two gear makes
With, realize product seriation exploitation.
Beneficial effect
A kind of hybrid transmissions using single planetary row mechanism provided by the utility model can realize two gears
Pure electric Drive Mode, meet the requirement of low-speed big and high speed, be particularly suitable for use in plug-in hybrid power system, also
Pure electric gear shift(ing) can be simplified to use.Under hybrid power drive pattern, realize that dynamic branch pattern and fixed speed ratio drive
Dynamic model formula, dynamic branch pattern is compensate in the low inherent shortcoming of high speed transmission efficiency.The technical scheme can be used for depth
Hybrid power system and plug-in hybrid power system, it is the technical scheme of a hardware and software platform.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment 1.
Accompanying drawing 2 is the structural representation of the utility model embodiment 2.
Accompanying drawing 3 is the structural representation of the utility model embodiment 3.
Accompanying drawing 4 is the structural representation of the utility model embodiment 4.
Accompanying drawing 5 is the structural representation of the utility model embodiment 5.
Embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of hybrid transmissions using single planetary row mechanism as shown in Figure 1, using the first planet arrangement mechanism
PG1 and the second planet arrangement mechanism PG2 Liang Ge single planetary rows mechanism, the first planet arrangement mechanism PG1 include the first sun gear 4, first
Planetary gear 5, the first planet carrier 3 and the first external toothing 6, first sun gear 4 engage with the first planetary gear 5, the first planetary gear 5
Engaged simultaneously with the first external toothing 6.First external toothing 6 is fixed on the first connecting shaft 7, and the first connecting shaft 7 is used as first
Planet row PG1 power output shaft.First sun gear 4 is connected with central shaft 2, the motor EM1's of central shaft 2 and first
Rotor 21 connects.First brake B1 is set between first planet carrier 3 and hybrid transmissions casing, first
First clutch C1 is set between planet carrier 3 and hybrid transmissions input shaft 1, in the connecting shaft of central shaft 2 and first
Second clutch C2 is set between 7.Second planet arrangement mechanism PG2 includes the second sun gear 8, the second planetary gear 9, the second planet
Frame and the second external toothing 10, second sun gear 8 are fixed on transmission device casing, second planet carrier and the first connecting shaft
7 connections, second external toothing 10 are connected with the second motor EM2 rotor 19.First reduction gearing is installed on the first connecting shaft 7
11, first reduction gearing 11 engages with the second reduction gearing 12 on gear connecting shaft 15, and the 3rd on gear connecting shaft 15 subtracts
Fast gear 13 engages with differential mechanism reduction gearing 14.The power output of hybrid transmissions is transferred to whole by differential mechanism 17
Car semiaxis 16.
The input shaft 1 of hybrid transmissions is connected with the flywheel vibration absorber FW of engine, and in this embodiment first
Clutch C1, second clutch C2 and the first brake B1 use multi-disc friction element.
The hybrid transmissions as power coupling mechanism, realize engine ICE, the using the first planet row PG1
One motor EM1, the second motor EM2 power coupling.Vehicle is during actual travel, each power source and shifting element (clutch
Device, brake) it is applied in combination and will produces a variety of different mode of operations, the control logic between each mode of operation and shifting element
Relation is as shown in the table.
| Mode of operation | B1 | C1 | C2 |
| EV-1 | ● | 〇 | 〇 |
| EV-2 | 〇 | 〇 | ● |
| HEV-1 | 〇 | ● | 〇 |
| HEV-2 | 〇 | ● | ● |
Note：〇-open mode；●-closure state.
Pure electric Drive Mode：
In pure electric Drive Mode, the first brake B1 closures, using the first motor or the second motor or two electricity
Machine drives vehicle to travel jointly, as first gear fixed drive ratio electric-only mode EV-1.Two motors can when driving simultaneously
Larger driving torque is exported, meets pure electronic dynamic property demand.
When speed increase, in order to prevent the first motor EM1 rotating speeds too high, the first brake B1 of control is opened, regulation the
Then one motor EM1 rotating speed closes second clutch C2, realizes second gear fixed speed ratio mould close to the second motor EM2 rotating speeds
Formula EV-2.When second clutch C2 is closed, there is no relative rotation speed between first each elements of planet row PG1, planet can be reduced
Arrange the mechanical loss of mechanism operation.
Hybrid power drive pattern：
In HEV-1 hybrid power drive patterns, the first brake B1 is opened, first clutch C1 closures, engine
Power will be transmitted to planet carrier, realize dynamic branch mode of operation.In this mode, the first motor EM1 of control work is passed through
Rotating speed, the operating point of engine is adjusted, realize that engine speed decouples with speed so that engine can be stablized in economic zone
Between.Now the first motor EM1 obtains Partial Power from engine and is in generating state, and electric energy is stored in into battery or the electricity of supply second
Machine EM2 is used.Remaining power of engine will be transferred to output shaft by the mechanical path of planet arrangement mechanism.The output of engine
Power is transferred to output shaft by power path and mechanical path, although the transmission efficiency of power path is relatively low, the dynamic branch
The operation mode optimization operation interval of engine so that dynamical system integrally obtains benefited, has a good fuel-economy
Property.
In hybrid mode high speed traveling, engine itself can be operated in high efficiency range, now be closed again the
Two clutches, dynamical system realize fixed drive ratio drive pattern, now engine be operated alone or with two motors or and its
In a motor drive jointly, be defined as the second hybrid mode HEV-2.
Embodiment 2
As shown in Figure 2, reducing gear will be installed on second motor EM2 armature spindle 23 on the basis of the scheme of embodiment 1
Wheel 22, reduction gearing 22 engages with the second reduction gearing 12.The program can shorten gearbox axial length, the second motor EM2
Power output is carried out by reduction gearing, mechanical transfer is more efficient, while reduces the parts cost of gearbox.
Embodiment 3
As shown in Figure 3, on the basis of embodiment 1, the relative of two motors and the first planet arrangement mechanism PG1 is adjusted
Position, obtain the hybrid transmissions for rear-guard vehicle.Output shaft of first connecting shaft 7 as hybrid transmissions
Directly it is connected with vehicle final gear.
Embodiment 4
As shown in Figure 4, remove the input shaft 1 and first clutch C1 being connected with engine on the basis of embodiment 1, obtain
To the two pure electric gear shift(ing)s of gear using bi-motor.
Example 5
As shown in Figure 5, the input shaft 1 and first clutch C1 being connected with engine are removed on the basis of embodiment 2,
Obtain the two pure electric gear shift(ing)s of gear using bi-motor.
Claims (8)
1. a kind of hybrid transmissions using single planetary row mechanism, including the first motor, the second motor, single planetary row machine
Structure and reduction gear mechanism, it is characterised in that:
The hybrid transmissions use the first planet arrangement mechanism and the second planet arrangement mechanism Liang Ge single planetary rows mechanism, institute
Stating the first planet arrangement mechanism includes the first sun gear, the first planetary gear, the first planet carrier and the first external toothing, the first sun gear with
First planetary gear engages, and the first planetary gear engages with the first external toothing simultaneously, and first external toothing is fixed on the first company
On axle, power output shaft of first connecting shaft as the first planet row, first sun gear and center axis connection, central shaft and the
The rotor connection of one motor, the first brake is set between first planet carrier and hybrid transmissions casing,
First clutch is set between first planet carrier and hybrid transmissions input shaft, the central shaft and the first connecting shaft it
Between second clutch is set, second planet arrangement mechanism includes the second sun gear, the second planetary gear, the second planet carrier and second
External toothing, the second sun gear are fixed on hybrid transmissions casing, and second planet carrier is connected with the first connecting shaft, institute
The rotor that the second external toothing is stated with the second motor is connected；
First reduction gearing is installed on the first connecting shaft, first reduction gearing is nibbled with the second reduction gearing on gear connecting shaft
Close, the 3rd reduction gearing on gear connecting shaft is engaged with differential mechanism reduction gearing, and the power output of hybrid transmissions is led to
Cross differential mechanism and be transferred to vehicle semiaxis.
A kind of 2. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：The
Between the centrally disposed axle of two clutches and the first planet carrier.
A kind of 3. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：The
Two clutches are arranged between the first connecting shaft and the first planet carrier.
A kind of 4. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：Institute
State the annexation of each element of the second planet arrangement mechanism and can also be arranged to the second sun gear and be connected with the rotor of the second motor,
Two external toothings are fixed on hybrid transmissions casing, and the second planet carrier is connected with the first connecting shaft.
A kind of 5. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：Institute
State the annexation of each element of the second planet arrangement mechanism and can also be arranged to the second sun gear and be connected with the rotor of the second motor,
Two planet carriers are fixed on transmission device casing, and the second external toothing is connected with the first connecting shaft.
A kind of 6. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：Institute
Output power can also be directly connected or be engaged by gear with the second reduction gearing with the first connecting shaft by stating the second rotor.
A kind of 7. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：The
One connecting shaft can also directly be connected to the transmission device of rear-guard vehicle with vehicle final gear.
A kind of 8. hybrid transmissions using single planetary row mechanism according to claim 1, it is characterised in that：Institute
State first clutch and second clutch uses multi-disc friction element, first brake is using multi-disc friction element or has
The one-way clutch mechanism of bidirectional locking function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374557.0U CN207045126U (en) | 2017-04-11 | 2017-04-11 | A kind of hybrid transmissions using single planetary row mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720374557.0U CN207045126U (en) | 2017-04-11 | 2017-04-11 | A kind of hybrid transmissions using single planetary row mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207045126U true CN207045126U (en) | 2018-02-27 |
Family
ID=61489595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720374557.0U Expired - Fee Related CN207045126U (en) | 2017-04-11 | 2017-04-11 | A kind of hybrid transmissions using single planetary row mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207045126U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110014818A (en) * | 2019-03-26 | 2019-07-16 | 中国汽车技术研究中心有限公司 | A kind of novel coupling device and working method of hybrid vehicle |
| CN110395106A (en) * | 2019-08-15 | 2019-11-01 | 苏州格特钠汽车技术有限公司 | A kind of hybrid gearbox for hybrid vehicle |
| CN111936335A (en) * | 2018-03-22 | 2020-11-13 | 浙江吉利控股集团有限公司 | Hybrid transmission and hybrid vehicle |
| CN113276658A (en) * | 2021-07-05 | 2021-08-20 | 无锡明恒混合动力技术有限公司 | Two keep off bi-motor planet row power split drive system |
| EP3848215A4 (en) * | 2018-09-04 | 2022-08-31 | Ningbo Umd Automatic Transmission Co., Ltd. | Transmission and power system for use in hybrid vehicle |
-
2017
- 2017-04-11 CN CN201720374557.0U patent/CN207045126U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111936335A (en) * | 2018-03-22 | 2020-11-13 | 浙江吉利控股集团有限公司 | Hybrid transmission and hybrid vehicle |
| CN111936335B (en) * | 2018-03-22 | 2022-08-09 | 浙江吉利控股集团有限公司 | Hybrid transmission and hybrid vehicle |
| EP3848215A4 (en) * | 2018-09-04 | 2022-08-31 | Ningbo Umd Automatic Transmission Co., Ltd. | Transmission and power system for use in hybrid vehicle |
| CN110014818A (en) * | 2019-03-26 | 2019-07-16 | 中国汽车技术研究中心有限公司 | A kind of novel coupling device and working method of hybrid vehicle |
| CN110395106A (en) * | 2019-08-15 | 2019-11-01 | 苏州格特钠汽车技术有限公司 | A kind of hybrid gearbox for hybrid vehicle |
| CN113276658A (en) * | 2021-07-05 | 2021-08-20 | 无锡明恒混合动力技术有限公司 | Two keep off bi-motor planet row power split drive system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180227 Termination date: 20200411 |
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| CF01 | Termination of patent right due to non-payment of annual fee |