CN207416537U - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN207416537U CN207416537U CN201721289549.2U CN201721289549U CN207416537U CN 207416537 U CN207416537 U CN 207416537U CN 201721289549 U CN201721289549 U CN 201721289549U CN 207416537 U CN207416537 U CN 207416537U
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- gear
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- sun gear
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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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
This disclosure relates to a kind of hybrid electric drive system and vehicle.The hybrid electric drive system includes planetary gear mechanism, engine, first motor, second motor, output section, planetary gear mechanism includes sun gear, planet carrier and gear ring, the gear ring is fixed, the engine is connected with the planet carrier, first motor is connected with the sun gear, the line shaft empty set of second motor is on the line shaft of first motor, the output section is connected with the sun gear, second motor is connected with the output section, the output section is used to export the power of the sun gear transmission and/or the power of second motor output to drive vehicle.
Description
Technical field
This disclosure relates to a kind of hybrid electric drive system and vehicle.
Background technology
World today's facing mankind energy shortage and environmental degradation two is challenged greatly, and orthodox car is increasingly subject to oil crisis
Serious puzzlement, energy conservation and environmental protection is increasingly becoming the development topic of automobile industry.In recent years, there are two types of different dynamic source, realizations for tool
The hybrid vehicle of oil consumption and discharge is reduced, development and application has been obtained, and has put into commodity production and introduce to the market.
Hybrid electric drive system is generally made of engine, generator, motor, electrical source of power etc., engine and dynamic
Power power supply provides power for vehicle jointly, this results in its structure and is usually relatively complex, and occupied space is larger, and cost is higher.
Utility model content
The purpose of the disclosure is to provide a kind of hybrid electric drive system simple in structure.
To achieve these goals, the disclosure provides a kind of hybrid electric drive system, including：
Planetary gear mechanism, including sun gear, planet carrier and gear ring, the gear ring is fixed；
Engine, the engine are connected with the planet carrier；
First motor, first motor are connected with the sun gear；
Second motor, the line shaft empty set of second motor is on the line shaft of first motor；
Output section, the output section are connected with the sun gear, and second motor is connected with the output section, described defeated
Go out portion to be used to export the power of the sun gear transmission and/or the power of second motor output to drive vehicle.
Optionally, the system also includes first clutch, the first clutch is used for the sun gear and planet
Frame is releasably locked together.
Optionally, the line shaft of first motor is connected with the central shaft of the sun gear by gear speed increasing mechanism.
Optionally, the gear speed increasing mechanism includes intermeshing first speed increasing gear and the second speed increasing gear, described
The power axis connection of first speed increasing gear and first motor, the central shaft of second speed increasing gear and the sun gear connect
It connects, wherein, the number of teeth of first speed increasing gear is less than the number of teeth of second speed increasing gear.
Optionally, the output section include main shaft, countershaft, the driving gear carried by the main shaft, by the supplementary bearing
The driven gear of load, the driving gear and driven gear intermeshing, the central axis of the main shaft and the sun gear
It is connected, the line shaft of second motor is connected to the transmission gear engaged with the driven gear.
Optionally, the system also includes second clutch, the main shaft passes through the second clutch and the sun
The central shaft of wheel is connected.
Optionally, under electric-only mode, when the output power that vehicle currently needs is less than or equal to second motor
Peak power output when, the second clutch disconnects；When the output power that vehicle currently needs is more than second motor
Peak power output when, second clutch engagement, first motor output power.
Optionally, under power generation in parking pattern, the second clutch disconnects.
Optionally, it is connected with anti-reverse brake apparatus on the output shaft of the engine.
By by the coaxial empty set of line shaft of the line shaft of the first motor and the second motor so that hybrid electric drive system
Structure it is compacter, axial length is shortened, convenient for being arranged on vehicle.
The disclosure also provides a kind of vehicle, including hybrid electric drive system as described above.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool
Body embodiment is together for explaining the disclosure, but do not form the limitation to the disclosure.In the accompanying drawings：
Fig. 1 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure；
Fig. 2 is the schematic block diagram according to the hybrid electric drive system of the first embodiment of the disclosure.
Specific embodiment
The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As depicted in figs. 1 and 2, the disclosure provide hybrid electric drive system include engine 1, planetary gear mechanism,
First motor 7, the second motor 8, output section.Planetary gear mechanism includes sun gear S1, planet carrier S2 and gear ring S3.Engine 1
Output shaft be connected with planet carrier S2, for driving planet carrier S2 rotation.Output section and the first motor 7 respectively with sun gear S1
It is connected, gear ring S3 is fixed.Output section is used to export the power of sun gear S1 transmission and/or the power of the second motor 8 output to drive
Motor-car.
First motor 7 is connected with sun gear S1, and the first motor 7 can both generate electricity under the drive of engine 1, also may be used
To drive vehicle by output section.Second motor 8 is connected with output section, and the second motor 8 both can drive vehicle by output section,
It can also generate electricity under the drive of output section.In the disclosure, the line shaft empty set of the second motor 8 is in first motor
On 7 line shaft so that the structure of hybrid electric drive system is compacter, shortens axial length, convenient for being arranged on vehicle.
In the embodiment shown in figure 2, hybrid electric drive system further includes first clutch 13, first clutch 13
For sun gear S1 and planet carrier S2 to be releasably locked together, it is possible thereby to realize the driving of the gear of engine two and engine
Two gears charge.
Specifically, in engine drive mode, when first clutch 13 disconnects, the power of engine 1 is from planet carrier S2
Input is exported from sun gear S1, at this point, the transmission between planet carrier S2 and sun gear S1 is smaller, suitable for work of running at high speed
Condition；When first clutch 13 engages, sun gear S1 and planet carrier S2 are combined as a whole, between sun gear S1 and planet carrier S2
Gearratio is 1, and transmission is bigger, suitable for reduction of speed torque, low speed climbing operating mode.Therefore, in motor-powered vehicle, pass through
Control the engagement or disconnection of first clutch 13 so that two kinds of different biographies can be obtained between planet carrier S2 and sun gear S1
Dynamic ratio, keeps off so as to fulfill engine two and driving, greatly improve the fuel economy of engine and vehicle ride comfort.
As depicted in figs. 1 and 2, the line shaft of the central shaft of sun gear S1 and the first motor 7 can pass through gear increaser
Structure is connected so that the rotating speed of the first motor 7 is more than the rotating speed of sun gear S1, to realize that speedup generates electricity, further improves the first electricity
The generating efficiency of machine 7.
Specifically, as depicted in figs. 1 and 2, gear speed increasing mechanism increases including intermeshing first speed increasing gear 9 and second
The power axis connection of fast gear 10, the first speed increasing gear 9 and the first motor 7, the center of the second speed increasing gear 10 and sun gear S1
Axis 12 connects, wherein, the number of teeth of the first speed increasing gear 9 is less than the number of teeth of the second speed increasing gear 10 so that the rotating speed of the first motor 7
More than the rotating speed of sun gear S1.
In the disclosure, output section can have any suitable structure.As depicted in figs. 1 and 2, output section includes main shaft
3rd, countershaft 4, the driving gear 5 carried by the main shaft 3, the driven gear 6 that is carried by the countershaft 4, driving gear 5 and driven
Gear 6 is intermeshed, and main shaft 3 is connected with sun gear S1.Further, output section can also include output gear 14 and differential
Device.Output gear 14 is connected with countershaft 4, and is engaged with the final gear 15 of differential mechanism.In this case, the second motor 8
Line shaft may be coupled to the transmission gear 9 engaged with driven gear 6.Certainly, in other possible embodiments, second
The line shaft of motor 8 can also be connected to countershaft 4 by two pitch wheels in addition set.
Preferably, as shown in Figure 1 to Figure 2, the central shaft 12 of main shaft 3 and sun gear S1 can pass through second clutch 17
It is connected, the disconnection of second clutch 17 can cut off engine driving power transmission, and the second motor 12 is reduced under electric-only mode
Load.
In order to avoid engine 1 is inverted with main shaft 3, as depicted in figs. 1 and 2, counnter attack is connected on the output shaft of engine 1
Turn brake apparatus 2, for the anti-reverse brake apparatus 2 for the output shaft of engine 1 to be prevented to invert, which can be with
For arrangement of clutch or similar ratchet device.In the case where anti-reverse brake apparatus is arrangement of clutch, anti-reverse brake apparatus
It can be arranged between the output shaft of engine 1 and planet carrier S2, so that the output shaft of engine 1 and planet carrier S2 pass through this
Anti-reverse brake apparatus 2 connects.
Preferably, as shown in Figure 1 to Figure 2, parking lock device 16 is arranged on the line shaft of the second motor 8, so that
It is smaller to obtain required torque, improves control sensitivity, enhances reliability.
There can be following operating mode according to the hybrid electric drive system of an embodiment of the present disclosure；
First, electric-only mode.Engine 1 is closed, and second clutch 17 disconnects, and the power of the second motor 8 passes sequentially through biography
Moving gear 9, driven gear 6, countershaft 4, output gear 14 are transferred to differential mechanism, drive wheel.Need 7 auxiliary drive of the first motor
When, second clutch 17 engages, and the power of the first motor 7 passes sequentially through the first speed increasing gear 9, the second speed increasing gear 10, main shaft
3rd, driving gear 5, driven gear 6, countershaft 4, output gear 12 are transferred to differential mechanism, auxiliary the second motor 8 driving wheel.
2nd, engine parking charge mode.Second clutch 17 disconnects, the power of engine 1 pass sequentially through planet carrier S2,
Sun gear S1, the second speed increasing gear 10, the first speed increasing gear 9 are transferred to the first motor 7, and the first motor 7 is driven to generate electricity.
3rd, engine drive mode.Second clutch 17 engages, and the power of engine 1 passes sequentially through planet carrier S2, the sun
Wheel S1, main shaft 3, driving gear 5, driven gear 6, countershaft 4, output gear 14 are transferred to differential mechanism, drive wheel.Pass through control
First clutch 13 is engaged or disconnected, and can realize the gear driving of engine two.
4th, combination drive pattern.Second clutch 17 engages, and the power of engine 1 passes sequentially through planet carrier S2, sun gear
S1, main shaft 3, driving gear 5, driven gear 6, countershaft 4, output gear 14 are transferred to differential mechanism, drive wheel.Meanwhile second
The power of motor 8 passes sequentially through transmission gear 9, driven gear 6, countershaft 4, output gear 14 and is transferred to differential mechanism, drives wheel.
In order to ensure the harmony of output power, it is necessary to carry out pre- speed governing to the second motor 8.
5th, brake power generating pattern.When deceleration or descending, wheel drives train, and two motors is driven to generate electricity simultaneously.
Under this pattern, power transmission path and the driving path of two motors are reversed.
According to one aspect of the disclosure, a kind of vehicle is provided, which uses hybrid drive train as described above
System.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality
The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure
Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that the specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can
The combination of energy no longer separately illustrates.
In addition, it can also be combined between a variety of embodiments of the disclosure, as long as it is without prejudice to originally
Disclosed thought should equally be considered as disclosure disclosure of that.
Claims (10)
1. a kind of hybrid electric drive system, which is characterized in that including：
Planetary gear mechanism, including sun gear (S1), planet carrier (S2) and gear ring (S3), the gear ring (S3) is fixed；
Engine (1), the engine (1) are connected with the planet carrier (S2)；
First motor (7), first motor (7) are connected with the sun gear (S1)；
Second motor (8), the line shaft empty set of second motor (8) is on the line shaft of first motor (7)；
Output section, the output section are connected with the sun gear (S1), and second motor (8) is connected with the output section, institute
It states output section and is used to export the power of the sun gear (S1) transmission and/or the power of second motor (8) output to drive
Vehicle.
2. system according to claim 1, which is characterized in that the system also includes first clutch (13), described
One clutch (13) is used to the sun gear (S1) and planet carrier (S2) being releasably locked together.
3. system according to claim 1, which is characterized in that the line shaft of first motor (7) and the sun gear
(S1) central shaft is connected by gear speed increasing mechanism.
4. system according to claim 3, which is characterized in that the gear speed increasing mechanism includes intermeshing first and increases
Fast gear (9) and the second speed increasing gear (10), the power axis connection of first speed increasing gear (9) and first motor (7),
Second speed increasing gear (10) is connected with the central shaft (12) of the sun gear (S1), wherein, first speed increasing gear (9)
The number of teeth be less than second speed increasing gear (10) the number of teeth.
5. system according to claim 1, which is characterized in that the output section includes main shaft (3), countershaft (4), by described
The driving gear (5) of main shaft (3) carrying, the driven gear (6) carried by the countershaft (4), the driving gear (5) and driven
Gear (6) is intermeshed, the main shaft (3) with the central shaft (12) of the sun gear (S1) is coaxial is connected, second motor
(8) line shaft is connected to the transmission gear (11) engaged with the driven gear (6).
6. system according to claim 5, which is characterized in that the system also includes second clutch (17), the masters
Axis (3) is connected by the second clutch (17) with the central shaft (12) of the sun gear (S1).
7. system according to claim 6, which is characterized in that under electric-only mode, when the output that vehicle currently needs
When power is less than or equal to the peak power output of second motor (8), the second clutch (17) disconnects；When vehicle is worked as
When the output power of preceding needs is more than the peak power output of second motor (8), second clutch (17) engagement, institute
State the first motor (7) output power.
8. system according to claim 6, which is characterized in that under power generation in parking pattern, the second clutch (17)
It disconnects.
9. system according to claim 1, which is characterized in that be connected on the output shaft of the engine (1) anti-reverse
Brake apparatus (2).
10. a kind of vehicle, which is characterized in that including the hybrid electric drive system according to any one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289549.2U CN207416537U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721289549.2U CN207416537U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207416537U true CN207416537U (en) | 2018-05-29 |
Family
ID=62313431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721289549.2U Active CN207416537U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207416537U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578772A (en) * | 2019-09-26 | 2019-12-17 | 吉孚汽车技术(浙江)有限公司 | Special gearbox for hybrid power |
-
2017
- 2017-09-30 CN CN201721289549.2U patent/CN207416537U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578772A (en) * | 2019-09-26 | 2019-12-17 | 吉孚汽车技术(浙江)有限公司 | Special gearbox for hybrid power |
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