CN109318705A - A kind of planetary electric drive transmission device - Google Patents
A kind of planetary electric drive transmission device Download PDFInfo
- Publication number
- CN109318705A CN109318705A CN201811509970.9A CN201811509970A CN109318705A CN 109318705 A CN109318705 A CN 109318705A CN 201811509970 A CN201811509970 A CN 201811509970A CN 109318705 A CN109318705 A CN 109318705A
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- Prior art keywords
- gear
- reduction gearing
- planetary
- planetary gear
- planet carrier
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 37
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 230000009467 reduction Effects 0.000 claims description 45
- 239000004744 fabric Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005183 dynamical system Methods 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/12—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of electric gearing
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
The present invention discloses a kind of planetary electric drive transmission device, it includes step planet arrangement mechanism, it is characterized by: the step planet arrangement mechanism includes sun gear (3), first planetary gear (5), second planetary gear (6), ring gear (4) and planet carrier (7), the sun gear (3) is engaged with first planetary gear (5), the first planetary gear (5) and second planetary gear (6), which link together, constitutes step planetary gear set and being capable of the rotation and around the sun gear (3) and the ring gear (4) revolution on the planet carrier (7).The transmission device is easier to realize the design of gear speed ratio using step planet arrangement mechanism, can reduce the performance requirement to motor and promotes vehicle performance.
Description
Technical field
The present invention relates to vehicle drive-train technical fields, especially as one kind of pure electric vehicle and stroke-increasing electric automobile
Planetary electric drive transmission device.
Background technique
Automobile dynamic system motorized has become development trend, and pure electric automobile and plug-in mixed electrical automobile obtain in recent years
It is popularized to very fast.Plug-in mixed electrical automobile pure electric vehicle drive mode in routine use accounts for larger proportion, from technical solution
Current pure electric vehicle drive mode is seen also mainly using single speed than driving, vehicle performance depends on the performance of driving motor itself, right
Driving motor proposes very high performance requirement.In long-time pure motor driving, single speed can not adjust motor work than drive mode
Make a little, to influence system working efficiency.
The electric drive transmission device of more gears can be improved vehicle performance and optimize the operation interval of driving motor, reduce electricity
Pond consumption, becomes the main direction of development of electric drive transmission device.
Summary of the invention
The invention patent purpose is to provide a kind of planetary electric drive transmission device, not only can satisfy under electric-only mode
Speed and dynamic property demand, can expand applied to pure electric vehicle system, plug-in is mixed dynamic and extended-range dynamical system, in battery electricity
Course continuation mileage is completed by engine when amount is insufficient.
For achieving the above object, the following technical solutions are proposed:
A kind of planetary electric drive transmission device, it is characterised in that: using planetary gear mechanism include sun gear, first
Planetary gear, the second planetary gear, ring gear and planet carrier, sun gear are engaged with first planetary gear, the first planet tooth
Wheel with second planetary gear link together constitute step planetary gear set and can on the planet carrier rotation and
It revolves around the sun gear and the ring gear, the second planetary gear is engaged with ring gear, arranged on the planet carrier circumference
Several step planetary gear sets, sun gear are mounted on the second axis, while the cloth between the second axis and gear mechanism housing
Set the first brake, the second axis will be locked up as zero speed when the first arrester close, and ring gear is mounted in first axle, and first
Axis is connect with the rotor of driving motor simultaneously, and planet carrier is as power output shaft.
For longitudinal rear-guard vehicle, planet carrier directly can fix speed with vehicle main reducing gear flanged joint or with having
Ratio deceleration mechanism connection after again with vehicle main reducing gear flanged joint.
For horizontal precursor vehicle, reduction gearing is installed on planet carrier, power is transferred to differential mechanism by reduction gearing,
Vehicle driving is driven through semiaxis again.Reduction gearing includes small reduction gearing and gear on the planet carrier using double reduction
Big retarding gear engagement on shaft coupling, forms the first order and slows down；The main deceleration of small reduction gearing and differential mechanism on gear shaft coupling is big
Gear engagement forms the second level and slows down.
First brake can be friction disk type brake or the mechanical mechanism with rotation latch functions, described
First clutch is set between first axle and the second axis, and first clutch uses friction plate clutch mechanism, first clutch
First axle and the second axis will be run with revolving speed when closure.First clutch realizes the unitary rotation of planetary gear mechanism, can also
To be arranged between sun gear and planet carrier or be arranged between ring gear and planet carrier.
In pure electric vehicle driving, the first arrester close, first clutch is opened, and design gear speed ratio obtains big drive at this time
Dynamic torque, for accelerating starting and climbing operating condition, which is first gear electric-only mode.Turn as speed increases driving motor
Speed increases, and opens the first brake, is closed first clutch, at this time planet arrangement mechanism unitary rotation, does not nibble between each element
Resultant motion is defined as second gear electric-only mode.
Reduction gearing is fixedly mounted in the first axle, places reduction gearing on transmission shaft, reduction gearing can be
It is freely rotated on transmission shaft, reduction gearing, reduction gearing while and reduction gearing is placed between reduction gearing and reduction gearing
It is engaged with reduction gearing；Second clutch is arranged between transmission shaft and reduction gearing.Transmission shaft is as the defeated of engine power
Enter axis, gear is fixed on the transmission shaft and is engaged with the gear on generator shaft, the rotor connection of generator shaft and generator.The
When two clutches are closed, engine and driving motor can drive vehicle jointly.
Beneficial effect
A kind of planetary electric drive transmission device provided by the invention, using step planet arrangement mechanism as transmission dress
It sets, has many advantages, such as that transmission ratio scope of design is big, compact-sized.In high speed planet arrangement mechanism unitary rotation when driving, transmission
It is high-efficient, reduce grating of gears risk.The dynamical system can combine low-speed big and high speed driving requirements, reduce
The performance requirement of motor, while being conducive to improve dynamical system efficiency, extend mileage travelled.The transmission device is a hardware and software platform
Technical solution, can be also used for extended-range power driven system and series-parallel hybrid dynamic system.
Detailed description of the invention
Two gear pure electric vehicle system schema schematic diagram in 1 embodiment of the present invention of attached drawing
Extended-range power driven system scheme schematic diagram in 2 embodiment of the present invention of attached drawing
Series-parallel hybrid dynamic system scheme schematic diagram in 3 embodiment of the present invention of attached drawing
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
Embodiment 1
As shown in Figure 1, a kind of planetary electric drive transmission device, including driving motor TM, step planet arrangement mechanism, subtract
Fast gear, differential mechanism, clutch and brake component.
The step planet arrangement mechanism includes sun gear 3, first planetary gear 5, the second planetary gear 6,4 and of ring gear
Planet carrier 7, sun gear 3 are engaged with first planetary gear 5.The first planetary gear 5 is connected to second planetary gear 6
Step planetary gear set is constituted together and being capable of the rotation and around the sun gear 3 and the internal tooth on the planet carrier 7
4 revolution of circle, the second planetary gear 6 are engaged with ring gear 4, arrange several step planetary gears on 7 circumference of planet carrier
Group.Sun gear 3 is mounted on the second axis 2, while the first brake B1 is arranged between the second axis 2 and gear mechanism housing 0, the
The second axis 2 will be locked up as zero speed when one brake B1 is closed, and the first brake B1 uses the list with revolving speed limitation function
To clutch mechanism, the rotation direction of the second axis 2 is limited under the control of operating mechanism.Ring gear 4 is mounted on first
On axis 1, first axle 1 is connect with the rotor 14 of driving motor TM simultaneously, and planet carrier 7 is used as power output shaft.Driving motor TM's
Stator 15 is fixed on gear mechanism housing.Small reduction gearing 8 and the big retarding tooth on gear shaft coupling 11 are installed on planet carrier 7
9 engagement of wheel, forms the first order and slows down；Small reduction gearing 10 on gear shaft coupling 11 is engaged with the main deceleration gear wheel 12 of differential mechanism,
The second level is formed to slow down.Power reaches differential mechanism 25 by double reduction gearing, then drives vehicle through semiaxis 13.
Between the first axle 1 and the second axis 2 be arranged first clutch C1, first clutch C1 using friction disk type from
Clutch mechanism, first axle 1 and the second axis 2 are run with revolving speed when first clutch C1 is closed.
Control logic relationship between each operating mode and shifting element is as shown in the table.
| Operating mode | B1 | C1 |
| EV-1 | ● | 〇 |
| EV-2 | 〇 | ● |
Note: 〇-opening state；●-closed state.
In low speed, the first brake B1 is individually closed, and sun gear 3 is locked up as zero speed, as first gear pure electric vehicle
Mode EV-1.At this time one gear speed ratio be,
iPG=(Z4/Z6)*(Z5/Z3)
i1=(iPG+1)/iPG
Wherein, Z4For the ring gear number of teeth, Z5For the first planetary gear number of teeth, Z6The second planetary gear number of teeth, Z3For sun gear
The number of teeth, iPGFor planet arrangement mechanism speed ratio, i1For a gear speed ratio.
When speed increases, driving motor TM revolving speed increases therewith, opens the first brake B1 and is closed at the first clutch
Device C1, each element unitary rotation of planetary gear mechanism at this time, without opposite engagement operation between each element, as the pure electricity of second gear
Dynamic model formula EV-2.
Embodiment 2
Increase distance increasing unit unit on the basis of embodiment 1, constitutes a extended-range power drive system.Distance increasing unit driving is single
Member includes engine ICE, generator ISG and transmission mechanism, and engine ICE is connect by flywheel vibration absorber FW with transmission shaft 21,
Reduction gearing 19 is installed on transmission shaft 21, reduction gearing 19 is engaged with the gear 20 being mounted on generator shaft 22, generator
Axis 22 is connect with the rotor 23 of generator ISG, and the stator 24 of generator ISG is fixed on gear mechanism housing.Reduction gearing 19
It is to improve the working efficiency of generator ISG to improve generator ISG revolving speed with reduction gearing 20.
In battery capacity abundance, driving motor TM drives vehicle with two gear electric-only modes, at this time engine ICE and hair
Motor ISG is not involved in work.When battery capacity is low, engine start drives generator ISG power generation, is battery or driving motor
TM provides electric energy, is equivalent to concatenated operating mode at this time, engine does not participate in driving directly, therefore engine can work
Only driven generator ISG's stable state generates electricity.
Embodiment 3
Increase reduction gearing and clutch unit that engine directly participates in driving on the basis of embodiment 2, certain
Engine ICE can directly drive vehicle under operating condition, and scenario-frame is as shown in Figure 3.
Reduction gearing 16 is fixedly mounted in first axle 1, reduction gearing 18 is placed on transmission shaft 21, reduction gearing 18 can
To be freely rotated on transmission shaft 21, reduction gearing 17, reduction gearing 17 are placed between reduction gearing 16 and reduction gearing 18
It is engaged simultaneously with reduction gearing 16 and reduction gearing 18.Second clutch C2 is arranged between transmission shaft 21 and reduction gearing 18.
Transmission device is other than it may be implemented two gear pure electric vehicles and tandem working mode, the engine when speed is relatively high
ICE itself can work in low oil consumption region, be closed second clutch C2, and engine power passes through reduction gearing 18, reducing gear
Power is transferred to first axle 1 by wheel 17, reduction gearing 16, drives vehicle driving according to two gear patterns.Each operating mode and shift
Control logic relationship between element is as shown in the table.
| Operating mode | B1 | C1 | C2 |
| EV-1 | ● | 〇 | 〇 |
| EV-2 | 〇 | ● | 〇 |
| Series connection -1 | ● | 〇 | 〇 |
| Series connection -2 | 〇 | ● | 〇 |
| Parallel connection -1 | ● | 〇 | ● |
| Parallel connection -2 | 〇 | ● | ● |
Note: 〇-opening state ●-closed state.
Claims (4)
1. a kind of planetary electric drive transmission device, it includes step planet arrangement mechanism, it is characterised in that: the step row
Xing Pai mechanism includes sun gear (3), first planetary gear (5), the second planetary gear (6), ring gear (4) and planet carrier (7), institute
It states sun gear (3) to engage with first planetary gear (5), the first planetary gear (5) connect with second planetary gear (6)
Step planetary gear set is constituted together and being capable of the rotation and around the sun gear (3) and institute on the planet carrier (7)
Ring gear (4) revolution is stated, second planetary gear (6) is engaged with the ring gear (4), cloth on planet carrier (7) circumference
Several step planetary gear sets are set, the sun gear (3) is mounted on the second axis (2), and second axis (2) and transmission fill
It sets and arranges the first brake (B1) between shell (0), it is zero that the second axis (2), which will be locked up, when first brake (B1) is closed
Revolving speed, the ring gear (4) are mounted on first axle (1), the first axle (1) while the rotor (14) with driving motor (TM)
Connection, the planet carrier (7) are used as power output shaft.
2. a kind of planetary electric drive transmission device according to claim 1, it is characterised in that: the first axle (1) with
First clutch (C1) is arranged between second axis (2), and first clutch (C1) can also be arranged in sun gear (3) and planet carrier
(7) it between or is arranged between ring gear (4) and planet carrier (7).
3. a kind of planetary electric drive transmission device according to claim 1, it is characterised in that: first brake
(B1) it is friction disk type brake or for the one-way clutch with revolving speed latch functions.
4. a kind of planetary electric drive transmission device according to claim 1 or 2, it is characterised in that: the first axle (1)
Upper fixed installation reduction gearing (16) places reduction gearing (18) on transmission shaft (21), and the reduction gearing (18) is in transmission shaft
(21) it can be freely rotated on, place reduction gearing (17) between the reduction gearing (16) and reduction gearing (18), it is described to subtract
Fast gear (17) is engaged with reduction gearing (16) and reduction gearing (18) simultaneously, the transmission shaft (21) and reduction gearing (18) it
Between arrange second clutch (C2), input shaft of the transmission shaft (21) as engine power fixes tooth on the transmission shaft (21)
Wheel (19) is engaged with the gear (20) on generator shaft (22), and generator shaft (22) is connect with the rotor (23) of generator (ISG).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509970.9A CN109318705B (en) | 2018-12-11 | 2018-12-11 | Planetary electric drive transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811509970.9A CN109318705B (en) | 2018-12-11 | 2018-12-11 | Planetary electric drive transmission device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109318705A true CN109318705A (en) | 2019-02-12 |
| CN109318705B CN109318705B (en) | 2024-02-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811509970.9A Active CN109318705B (en) | 2018-12-11 | 2018-12-11 | Planetary electric drive transmission device |
Country Status (1)
| Country | Link |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006111143A (en) * | 2004-10-14 | 2006-04-27 | Toyota Motor Corp | Hybrid driving device |
| CN104279279A (en) * | 2013-07-01 | 2015-01-14 | 现代自动车株式会社 | Power transmission system of hybrid electric vehicle |
| CN104661846A (en) * | 2012-09-21 | 2015-05-27 | 丰田自动车株式会社 | Hybrid vehicle drive apparatus |
| CN106494215A (en) * | 2016-10-21 | 2017-03-15 | 广州市新域动力技术有限公司 | Multi-mode composite planet hybrid power assembly |
| CN209666839U (en) * | 2018-12-11 | 2019-11-22 | 王延芸 | A kind of planetary electric drive transmission device |
-
2018
- 2018-12-11 CN CN201811509970.9A patent/CN109318705B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006111143A (en) * | 2004-10-14 | 2006-04-27 | Toyota Motor Corp | Hybrid driving device |
| CN104661846A (en) * | 2012-09-21 | 2015-05-27 | 丰田自动车株式会社 | Hybrid vehicle drive apparatus |
| CN104279279A (en) * | 2013-07-01 | 2015-01-14 | 现代自动车株式会社 | Power transmission system of hybrid electric vehicle |
| CN106494215A (en) * | 2016-10-21 | 2017-03-15 | 广州市新域动力技术有限公司 | Multi-mode composite planet hybrid power assembly |
| CN209666839U (en) * | 2018-12-11 | 2019-11-22 | 王延芸 | A kind of planetary electric drive transmission device |
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| Publication number | Publication date |
|---|---|
| CN109318705B (en) | 2024-02-27 |
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Effective date of registration: 20190409 Address after: Room 301, No. 17, Lane 20, Anyong Road, Jiading District, Shanghai, 201800 Applicant after: Wang Yanyun Address before: Room 301, Building 20, Lane 17, Anyong Road, Anting Town, Jiading District, Shanghai, 201800 Applicant before: SHANGHAI HANLAO AUTOMOBILE TECHNOLOGY Co.,Ltd. |
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