CN207328111U - Hybrid electric drive system and vehicle - Google Patents
Hybrid electric drive system and vehicle Download PDFInfo
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- CN207328111U CN207328111U CN201721288357.XU CN201721288357U CN207328111U CN 207328111 U CN207328111 U CN 207328111U CN 201721288357 U CN201721288357 U CN 201721288357U CN 207328111 U CN207328111 U CN 207328111U
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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, 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.
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, starts
Machine, the first motor, the second motor, output section, the engine is connected with the first movement parts of the planetary gears, described
First motor is connected with the second movement parts of the planetary gears, and the line shaft empty set of second motor is described first
On the line shaft of motor, the output section is 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.
Alternatively, the system also includes the first brake apparatus, for releasedly braking second movement parts.
Alternatively, the system also includes the first brake apparatus, for releasedly braking the power of first motor
Axis.
Alternatively, under pure fuel oil drive pattern, first brake apparatus brakes second movement parts or described the
The line shaft of one motor.
Alternatively, the vehicle with a gear when driving, first brake apparatus brake second movement parts or
The line shaft of first motor；With another gear when driving, first brake apparatus discharges described second to the vehicle
The line shaft of movement parts or first 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, 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.
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.
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.
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 Figure 1 to Figure 3, the disclosure provide hybrid electric drive system include engine 1, planetary gears,
First motor 7, the second motor 8, output section.Planetary gears includes the first movement parts S1, the second movement parts S2 and the 3rd fortune
Moving part S3.Engine 1 is connected with the first movement parts S1, for driving the first movement parts S1 rotations.First motor 7 and the second fortune
Moving part S2 is connected, and output section is connected with the 3rd movement parts S3, and the second motor 8 is connected with output section.Output section is used to export the 3rd
The power and/or the power of the second motor 8 output that movement parts S3 is transmitted are 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.
In the disclosure, when engine 1 is run, power can be transferred at the same time by planetary gears output section and
First motor 7, drives the first motor 7 to generate electricity, simple in structure, cost is low so as to fulfill while vehicle traveling is driven.
As shown in Figures 2 and 3, hybrid electric drive system can also include the first brake apparatus 15, the first braking dress
15 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.Either brake the second movement parts S2 of planetary gears, or the line shaft of the first motor 7 of braking, equal energy
Realize the locking of the second movement parts S2 so that the power of engine 1 is only transferred to output section by planetary gears, without passing
The first motor 7 is handed to, so that drive efficiency higher, realizes the pure fuel oil drive pattern of hybrid electric drive system.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.
With a gear when driving, first brake apparatus 15 brakes the second movement parts S2 or described to the vehicle
The line shaft of first motor 7；With another gear when driving, first brake apparatus 15 discharges second fortune to the vehicle
The line shaft of first motors of moving part S2 or described 7.It should be noted that when using motor-powered vehicle, when the first braking
During the release braking of device 15, power is passed to the second movement parts S2 and the 3rd movement parts S3 by the first movement parts S1 at the same time, at this time,
The biography between gearratio and the first movement parts S1 and the 3rd movement parts S3 between first movement parts S1 and the second movement parts S2
The dynamic gearratio than being not fixation, and the two gearratios can be needed to set；And when the first brake apparatus 15 is braked
When, the second movement parts S2 is fixed, and at this time, the gearratio between the first movement parts S1 and the 3rd movement parts S3 is by planetary gear machine
The gear parameter of structure determines, for a gearratio fixed.Therefore, in motor-powered vehicle, filled by the braking of control first
Put 15 brakings or release so that two kinds of different gearratios can be obtained between the first movement parts S1 and the 3rd movement parts S3,
Driven for two grades so as to fulfill engine, greatly improve the fuel economy and vehicle ride comfort of engine.
In order to match high efficiency region when engine 1 is used for generator with the first motor 7, to improve generating efficiency,
As shown in Figure 1 to Figure 3, the second movement parts S2 of planetary gears and the line shaft of the first motor 7 pass through gear speed increasing mechanism
It is connected so that the rotating speed of the first motor 7 is more than the rotating speed of the second movement parts S2.
Specifically, as shown in Figure 1 to Figure 3, 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 Figure 1 to Figure 3, 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.
In order to avoid engine 1 is inverted with main shaft 3, as shown in Figure 1 to Figure 3, 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 Figure 1 to Figure 3, 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. 3, 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 this case, the first motor 7 is driven to be sent out using engine 1
When electric, power is inputted from planet carrier, is exported from sun gear, and be transferred to the first motor 7 by gear speed increasing mechanism, it is possible to achieve
Two level speedup generates electricity, and improves generating efficiency.
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.
The hybrid electric drive system of the disclosure can have following operating mode；
First, electric-only mode.Engine 1 is closed, and the power of the second motor 8 passes sequentially through travelling gear 11, driven gear
6th, countershaft 4, output gear 12 are transferred to differential mechanism, drive wheel.When needing the first 7 process auxiliary drive of motor, the first motor 7 moves
Power passes sequentially through the first speed increasing gear 9, the second speed increasing gear 10, the second movement parts S2, the 3rd movement parts S3, main shaft 3, driving tooth
Wheel 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.The power of engine 1 pass sequentially through the first movement parts S1, the second movement parts S2,
Second speed increasing gear 10, the first speed increasing gear 9 are transferred to the first motor 7, drive the first motor 7 to generate electricity.
3rd, pure fuel oil drive pattern.First brake apparatus 15 brakes the second movement parts S2 or the first motor 7, engine 1
Power pass 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 is transferred to differential mechanism, drives wheel.
4th, engine driving charge mode.First brake apparatus 15 discharges the second movement parts S2 or the first motor 7, hair
A part for 1 power of motivation pass 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；Another part of 1 power of engine passes sequentially through the first movement parts
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 to carry out
Power generation.
5th, combination drive pattern.The power of engine 1 pass 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.Meanwhile second motor 8 it is dynamic
Power passes sequentially through travelling gear 11, driven gear 6, countershaft 4, output gear 12 and is transferred to differential mechanism, drives wheel.In order to ensure
The harmony of power is exported, 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 (11)
- 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.
- 2. system according to claim 1, it is characterised in that the system also includes the first brake apparatus (15), be used for Releasedly brake second movement parts (S2).
- 3. system according to claim 1, it is characterised in that the system also includes the first brake apparatus (15), be used for Releasedly brake the line shaft of first motor (7).
- 4. the system according to Claims 2 or 3, it is characterised in that under pure fuel oil drive pattern, the first braking dress Put the line shaft that (15) brake second movement parts (S2) or first motor (7).
- 5. the system according to Claims 2 or 3, it is characterised in that the vehicle with a gear when driving, described first Brake apparatus (15) brakes the line shaft of second movement parts (S2) or first motor (7)；The vehicle is with another When driving, first brake apparatus (15) discharges the power of second movement parts (S2) or first motor (7) to gear Axis.
- 6. 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.
- 7. system according to claim 6, 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).
- 8. 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).
- 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. a kind of vehicle, it is characterised in that including the hybrid drive train according to any one of claim 1-10 System.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288357.XU CN207328111U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721288357.XU CN207328111U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
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| CN207328111U true CN207328111U (en) | 2018-05-08 |
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| CN201721288357.XU Active CN207328111U (en) | 2017-09-30 | 2017-09-30 | Hybrid electric drive system and vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962578A (en) * | 2018-09-30 | 2020-04-07 | 郑州宇通客车股份有限公司 | Hybrid power driving system and hybrid power vehicle |
| CN112440719A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Hybrid power device and vehicle |
-
2017
- 2017-09-30 CN CN201721288357.XU patent/CN207328111U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110962578A (en) * | 2018-09-30 | 2020-04-07 | 郑州宇通客车股份有限公司 | Hybrid power driving system and hybrid power vehicle |
| CN112440719A (en) * | 2019-08-30 | 2021-03-05 | 比亚迪股份有限公司 | Hybrid power device and vehicle |
| CN112440719B (en) * | 2019-08-30 | 2022-05-13 | 比亚迪股份有限公司 | Hybrid power device and vehicle |
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