CN207328114U - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN207328114U CN207328114U CN201721297372.0U CN201721297372U CN207328114U CN 207328114 U CN207328114 U CN 207328114U CN 201721297372 U CN201721297372 U CN 201721297372U CN 207328114 U CN207328114 U CN 207328114U
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Abstract
This disclosure relates to a kind of hybrid electric drive system and vehicle.The hybrid electric drive system includes planetary gears,Engine,First motor,Second motor,Output section,First clutch,The engine is connected with the first movement parts of the planetary gears,First motor is connected with the second movement parts of the planetary gears,The line shaft empty set of second motor is on the line shaft of first motor,The output section is connected with the 3rd movement parts of the planetary gears,Second motor is connected with the output section,The output section is used for the power of the power for exporting the 3rd movement parts transmission and/or second motor output to drive vehicle,The first clutch is used for first movement parts,Both in second movement parts and the 3rd movement parts are releasably locked together,First brake apparatus is used for the line shaft for releasedly braking second movement parts or first motor.
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 kinds of different dynamic sources, realize
The hybrid vehicle of oil consumption and discharge is reduced, has obtained development and application, and 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 gears；
Engine, the engine are connected with the first movement parts of the planetary gears；
First motor, first motor are connected with the second movement parts of the planetary gears；
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 3rd movement parts of the planetary gears, second motor and institute
State output section to be connected, the output section is used for the power for exporting the 3rd movement parts transmission and/or second motor output
Power to drive vehicle；
First clutch, the first clutch are used for first movement parts, second movement parts and described the
Both in three movement parts are releasably locked together；
First brake apparatus, first brake apparatus are used to releasedly brake second movement parts or described first
The line shaft of motor.
Alternatively, under pure fuel oil drive pattern, first brake apparatus brakes second movement parts or described the
The line shaft of one motor.
Alternatively, second movement parts are connected with first motor by gear speed increasing mechanism.
Alternatively, 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, second speed increasing gear are connected with second movement parts,
Wherein, the number of teeth of first speed increasing gear is less than the number of teeth of second speed increasing gear.
Alternatively, the output section include main shaft, countershaft, the driving gear carried by the main shaft, by the supplementary bearing
The driven gear of load, driving gear and the driven gear intermeshing, the main shaft is connected with the 3rd movement parts, described
The line shaft of second motor is connected to the travelling gear engaged with the driven gear.
Alternatively, the system also includes second clutch, the main shaft to pass through the second clutch and the described 3rd
Movement parts are connected.
Alternatively, under electric-only mode, when the output power that vehicle is currently needed for is less than or equal to second motor
Peak power output when, the second clutch disconnects；When the output power that vehicle is currently needed for is more than second motor
Peak power output when, second clutch engagement, first motor output power.
Alternatively, under power generation in parking pattern, the second clutch engagement.
Alternatively, anti-reverse brake apparatus is connected with the output shaft of the engine.
Alternatively, first movement parts are planet carrier, and second movement parts are sun gear, and the 3rd movement parts are
Gear ring.
Alternatively, the driving link of the first clutch is connected with the planet carrier, the first clutch it is driven
Part is connected with the sun gear.
Alternatively, the driving link of the first clutch is connected with the gear ring, the driven member of the first clutch with
The sun gear is connected.
Alternatively, the driving link of the first clutch is connected with the planet carrier, the driven member of the first clutch
It is connected with the gear ring.
The disclosure is by using planetary gears so that engine can drive vehicle to travel and drive the first electricity at the same time
Machine generates electricity, and simple in structure, cost is low.By by the coaxial empty set of line shaft of the line shaft of the first motor and the second motor so that
The structure of hybrid electric drive system is compacter, shortens axial length, easy to be arranged on vehicle.By using first from
Clutch with by the three of planetary gears movement parts both be releasably locked together, it is possible to achieve engine two gear drive
The gear charging of dynamic and engine two.
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.
Brief 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 used to explain the disclosure together, but does 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 second of embodiment of the disclosure；
Fig. 3 is the schematic block diagram according to the hybrid electric drive system of the third embodiment of the disclosure；
Fig. 4 is the schematic block diagram according to the hybrid electric drive system of the 4th kind of embodiment of the disclosure；
Fig. 5 is the schematic block diagram according to the hybrid electric drive system of the 5th kind of embodiment of the disclosure；
Fig. 6 is the schematic block diagram according to the hybrid electric drive system of the 6th kind of embodiment of the disclosure.
Embodiment
The embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be appreciated that this place is retouched
The embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
As shown in Figures 1 to 6, the disclosure provide hybrid electric drive system include engine 1, planetary gears,
First clutch 15, the first motor 7, the second motor 8, output section.Planetary gears includes the first movement parts S1, the second movement
Part S2 and the 3rd movement parts S3.Engine 1 is connected with the first movement parts S1, for driving the first movement parts S1 rotations.First
Motor 7 is connected with the second movement parts S2, and output section is connected with the 3rd movement parts S3, and the second motor 8 is connected with output section.Output section
For exporting the power of power that the 3rd movement parts S3 transmits and/or the output of the second motor 8 to drive vehicle.
First motor 7 is connected with the second movement parts S2 of planetary gears, and the first motor 7 both can be in the second movement parts
Generate electricity under the drive of S2, vehicle can also be driven by planetary gears and output section.Second motor 8 and output section phase
Even, the second motor 8 both can drive vehicle by output section, can also generate electricity under the drive of output section.In the disclosure
In, the line shaft empty set of the second motor 8 is on the line shaft of first motor 7 so that the structure of hybrid electric drive system
It is compacter, shorten axial length, easy to be arranged on vehicle.
First clutch 15 is used to that both in the first movement parts S1, the second movement parts S2 and the 3rd movement parts S3 can be released
Lock together with putting, it is possible thereby to realize the driving of the gear of engine two and the gear charging of engine two.
Specifically, in engine drive mode, when first clutch 15 disconnects, the first movement parts S1 passes power at the same time
Pass the second movement parts S2 and the 3rd movement parts S3, at this time, gearratio between the first movement parts S1 and the second movement parts S2 with
And the first gearratio between movement parts S1 and the 3rd movement parts S3 is not for fixed gearratio, and the two gearratios can
To set as needed；When first clutch 15 is engaged so that both in three movement parts to be combined as a whole, whole row
Star gear mechanism is as an overall operation, and the steering of three movement parts is identical, and rotating speed is identical, the fortune of the first movement parts S1 and the 3rd
Gearratio between moving part S3 is 1.Therefore, in motor-powered vehicle, by controlling first clutch 15 to engage or disconnect,
Allow to obtain two kinds of different gearratios between the first movement parts S1 and the 3rd movement parts S3, so as to fulfill engine two
Gear driving, greatly improves the fuel economy and vehicle ride comfort of engine.
Similarly, in engine charging pattern, when first clutch 15 disconnects, the first movement parts S1 transmits power at the same time
To the second movement parts S2 and the 3rd movement parts S3, at this time, gearratio between the first movement parts S1 and the second movement parts S2 and
Gearratio between first movement parts S1 and the 3rd movement parts S3 is not for fixed gearratio, and the two gearratios can be with
Set as needed；When first clutch 15 is engaged so that both in three movement parts to be combined as a whole, whole planet
Gear mechanism is as an overall operation, and the steering of three movement parts is identical, and rotating speed is identical, the movements of the first movement parts S1 and second
Gearratio between part S2 is 1.Therefore, when being generated electricity using the first motor of driven by engine 7, i.e. in engine charging
Under pattern, by controlling first clutch 15 to engage or disconnect so that can the first movement parts S1 and the second movement parts S2 it
Between obtain two kinds of different gearratios, so as to fulfill engine two keep off charge, when the engine speed is lower, can select to be driven
Than relatively low gear, to ensure that the rotating speed of the first motor 1 is in the excellent power generation range of speeds；When engine speed is higher,
It can select to be driven higher gear, to ensure that the rotating speed of the first motor 1 is in the excellent power generation range of speeds, thus, it is possible to
The generating efficiency of the first motor 1 is improved, extends the service life of the first motor 1.
As shown in Figures 1 to 6, hybrid electric drive system can also include the first brake apparatus 17, the first braking dress
17 the second movement parts S2 for being used to releasedly brake planetary gears are put, or for releasedly braking the first motor 7
Line shaft.Specifically, in the embodiment shown in Fig. 1 to Fig. 3, the first brake apparatus 17 is used to releasedly brake second
Movement parts S2；In the embodiment shown in Fig. 4 to Fig. 6, the first brake apparatus 17 is used to releasedly brake the first motor 7
Line shaft.
The second movement parts S2 of planetary gears, or the line shaft of the first motor 7 of braking are either braked, can be real
The locking of existing second movement parts S2 so that the power of engine 1 is only transferred to output section by planetary gears, without transmitting
To the first motor 7, so that drive efficiency higher, the pure fuel oil drive pattern of hybrid electric drive system is realized.Here,
" pure fuel oil drive pattern " refers to the pattern that engine 1 drives vehicle and the first motor 7 and the second motor 8 are not involved in work.
As shown in Figures 1 to 6, the line shaft of the second movement parts S2 and the first motor 7 of planetary gears can pass through
Gear speed increasing mechanism is connected so that and the rotating speed of the first motor 7 is more than the rotating speed of the second movement parts S2, to realize that speedup generates electricity, into
One step improves the generating efficiency of the first motor 1.
Specifically, as shown in Figures 1 to 6, 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 second speed increasing gear 10 and the second movement parts S2 connect
Connect, 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 is more than the
The rotating speed of two movement parts S2.
In the disclosure, output section can have any suitable structure.As shown in Figures 1 to 6, 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 the 3rd movement parts S3.Further, output section can also include output gear 12
And differential mechanism.Output gear 12 is connected with countershaft 4, and is engaged with the final gear 13 of differential mechanism.In this case, second
The line shaft of motor 8 may be coupled to the travelling gear 11 engaged with driven gear 6.Certainly, in other possible embodiments
In, the line shaft of the second motor 8 can also be connected to countershaft 4 by two pitch wheels in addition set.
Preferably, as shown in Figures 1 to 6, main shaft 3 can be connected with the 3rd movement parts S3 by second clutch 16,
Second clutch 16, which disconnects, can cut off engine driving power transmission, and the negative of the second motor 12 is reduced under electric-only mode
Carry；Moreover, when parking is charged, the engagement of second clutch 16 can fix the 3rd movement parts S3, ensure planetary gears
Power is distributed to the first motor 7.
In order to avoid engine 1 is inverted with main shaft 3, as shown in Figures 1 to 6, counnter attack is connected with the output shaft of engine 1
Turn brake apparatus 2, which is used to prevent the output shaft of engine 1 from inverting, 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 the first movement parts S1 of planetary gears, so that the output of engine 1
Axis and the first movement parts S1 are connected by the anti-reverse brake apparatus 2.
Preferably, as shown in Figures 1 to 6, parking lock device 14 is arranged on the line shaft of the second motor 8, so that
It is smaller to obtain required moment of torsion, improves control sensitivity, strengthens reliability.
First movement parts S1, the second movement parts S2, the 3rd movement parts S3 respectively can be planetary gears sun gear,
Any one of planet carrier, gear ring.In the embodiment shown in Fig. 1 to Fig. 6, the first movement parts S1 is planet carrier, and second transports
Moving part S2 is sun gear, and the 3rd movement parts S3 is gear ring.
In other possible embodiments, the first movement parts S1 can be planet carrier, and the second movement parts S2 can be tooth
Circle, the 3rd movement parts S3 can be sun gear；Alternatively, the first movement parts S1 can be sun gear, the second movement parts S2 can be
Planet carrier, the 3rd movement parts S3 are gear ring；Alternatively, the first movement parts S1 can be sun gear, the second movement parts S2 can be tooth
Circle, the 3rd movement parts S3 can be planet carrier；Alternatively, the first movement parts S1 can be gear ring, the second movement parts S2 can be too
Sun wheel, the 3rd movement parts S3 can be planet carrier；Alternatively, the first movement parts S1 can be gear ring, the second movement parts S2 can be
Planet carrier, the 3rd movement parts S3 can be sun gear.
In the embodiment shown in Fig. 1 and Fig. 4, first clutch 15 is used for the first movement parts S1 and the second movement parts
S2 is locked together；In the embodiment shown in Fig. 2 and Fig. 5, first clutch 15 is used for the second movement parts S2 and the 3rd
Movement parts S3 is locked together；In the embodiment shown in Fig. 3 and Fig. 6, first clutch 15 is used for the first movement parts S1
Locked together with the 3rd movement parts S3.
Following operating mode can be had according to a kind of hybrid electric drive system of embodiment of the disclosure；
First, electric-only mode.Engine 1 is closed, and second clutch 16 disconnects, and the power of the second motor 8 passes sequentially through biography
Moving gear 11, driven gear 6, countershaft 4, output gear 12 are transferred to differential mechanism, drive wheel.The first motor 7 auxiliary is needed to drive
When dynamic, second clutch 15 engages, and the power of the first motor 7 passes sequentially through the first speed increasing gear 9, the second speed increasing gear 10, the
Two movement parts S2, the 3rd movement parts S3, main shaft 3, driving gear 5, driven gear 6, countershaft 4, output gear 12 are transferred to differential
Device, auxiliary the second motor 8 driving wheel.
2nd, engine parking charge mode.Second clutch 16 engages, and the power of engine 1 passes sequentially through the first movement
Part S1, the second movement parts S2, the second speed increasing gear 10, the first speed increasing gear 9 are transferred to the first motor 7, drive the first motor 7 into
Row power generation.By controlling first clutch 15 to engage or disconnect, it is possible to achieve the gear charging of engine two.
3rd, pure fuel oil drive pattern.Second clutch 16 engages, and the first brake apparatus 17 is by the second movement parts S2 or first
Motor 7 is braked, and the power of engine 1 passes sequentially through the first movement parts S1, the 3rd movement parts S3, main shaft 3, driving gear 5, driven
Gear 6, countershaft 4, output gear 12 are transferred to differential mechanism, drive wheel., can by controlling first clutch 15 to engage or disconnect
To realize the gear driving of engine two.
4th, engine driving charge mode.Second clutch 16 engages, the first brake apparatus 17 by the second movement parts S2 or
First motor 7 discharges, and a part for 1 power of engine passes sequentially through the first movement parts S1, the 3rd movement parts S3, main shaft 3, active
Gear 5, driven gear 6, countershaft 4, output gear 12 are transferred to differential mechanism, drive wheel；Another part of 1 power of engine according to
It is secondary that first motor 7 is transferred to by the first movement parts S1, the second movement parts S2, the second speed increasing gear 10, the first speed increasing gear 9,
The first motor 7 is driven to generate electricity.
5th, combination drive pattern.Second clutch 16 engages, and the power of engine 1 passes sequentially through the first movement parts S1,
Three movement parts S3, main shaft 3, driving gear 5, driven gear 6, countershaft 4, output gear 12 are transferred to differential mechanism, drive wheel.Together
When, the power of the second motor 8 passes sequentially through travelling gear 11, driven gear 6, countershaft 4, output gear 12 and is transferred to differential mechanism,
Drive wheel.In order to ensure the harmony of output power, it is necessary to carry out pre- speed governing to the second motor 8.
6th, brake power generating pattern.When deceleration or descending, wheel drives train, drives two motors to generate electricity at the same time.
Under this pattern, power transmission path and the driving path of two motors are reverse.
According to one aspect of the disclosure, there is provided a kind of vehicle, the vehicle use 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 each particular technique feature described in above-mentioned embodiment, 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, it should equally be considered as disclosure disclosure of that.
Claims (14)
- A kind of 1. hybrid electric drive system, it is characterised in that including：Planetary gears；Engine (1), the engine (1) are connected with the first movement parts (S1) of the planetary gears；First motor (7), first motor (7) are connected with the second movement parts (S2) of the planetary gears；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 3rd movement parts (S3) of the planetary gears, second motor (8) with The output section is connected, and the output section is used to export power and/or second electricity that the 3rd movement parts (S3) are transmitted The power of machine (8) output is to drive vehicle；First clutch (15), the first clutch (15) are used for first movement parts (S1), second movement parts (S2) both and in the 3rd movement parts (S3) are releasably locked together；First brake apparatus (17), first brake apparatus (17) be used for releasedly brake second movement parts (S2) or The line shaft of first motor (7).
- 2. system according to claim 1, it is characterised in that under pure fuel oil drive pattern, first brake apparatus (17) line shaft of second movement parts (S2) or first motor (7) is braked.
- 3. system according to claim 1, it is characterised in that second movement parts (S2) and first motor (7) It is connected by gear speed increasing mechanism.
- 4. system according to claim 3, it is characterised 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 second movement parts (S2), wherein, the number of teeth of first speed increasing gear (9) is small In the number of teeth of second speed increasing gear (10).
- 5. system according to claim 1, it is characterised 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, and the main shaft (3) is connected with the 3rd movement parts (S3), and the line shaft of second motor (8) connects It is connected to the travelling gear (11) engaged with the driven gear (6).
- 6. system according to claim 5, it is characterised in that the system also includes second clutch (16), the master Axis (3) is connected by the second clutch (16) with the 3rd movement parts (S3).
- 7. system according to claim 6, it is characterised in that under electric-only mode, when the output that vehicle is currently needed for When power is less than or equal to the peak power output of second motor (8), the second clutch (16) 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 (16) engagement, institute State the first motor (7) output power.
- 8. system according to claim 6, it is characterised in that under power generation in parking pattern, the second clutch (16) Engagement.
- 9. system according to claim 1, it is characterised in that be connected with the output shaft of the engine (1) anti-reverse Brake apparatus (2).
- 10. system according to claim 1, it is characterised in that first movement parts (S1) are planet carrier, described second Movement parts (S2) are sun gear, and the 3rd movement parts (S3) are gear ring.
- 11. system according to claim 10, it is characterised in that the driving link of the first clutch (15) with it is described Planet carrier is connected, and the driven member of the first clutch (15) is connected with the sun gear.
- 12. system according to claim 10, it is characterised in that the driving link of the first clutch (15) and the tooth Circle is connected, and the driven member of the first clutch (15) is connected with the sun gear.
- 13. system according to claim 10, it is characterised in that the driving link of the first clutch (15) and the row Carrier is connected, and the driven member of the first clutch (15) is connected with the gear ring.
- 14. a kind of vehicle, it is characterised in that including the hybrid drive train according to any one of claim 1-13 System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721297372.0U CN207328114U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721297372.0U CN207328114U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
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| CN207328114U true CN207328114U (en) | 2018-05-08 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016617A (en) * | 2018-10-09 | 2020-04-17 | 郑州宇通客车股份有限公司 | Planet row hybrid power system and vehicle |
| CN111251864A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Hybrid power driving system and vehicle |
| CN111251871B (en) * | 2018-11-30 | 2021-09-03 | 比亚迪股份有限公司 | Hybrid power driving system and vehicle |
-
2017
- 2017-09-30 CN CN201721297372.0U patent/CN207328114U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111016617A (en) * | 2018-10-09 | 2020-04-17 | 郑州宇通客车股份有限公司 | Planet row hybrid power system and vehicle |
| CN111251864A (en) * | 2018-11-30 | 2020-06-09 | 比亚迪股份有限公司 | Hybrid power driving system and vehicle |
| CN111251864B (en) * | 2018-11-30 | 2021-07-20 | 比亚迪股份有限公司 | Hybrid power driving system and vehicle |
| CN111251871B (en) * | 2018-11-30 | 2021-09-03 | 比亚迪股份有限公司 | Hybrid power driving system and vehicle |
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