CN214112267U - Automobile driving system and automobile - Google Patents
Automobile driving system and automobile Download PDFInfo
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- CN214112267U CN214112267U CN202022424595.7U CN202022424595U CN214112267U CN 214112267 U CN214112267 U CN 214112267U CN 202022424595 U CN202022424595 U CN 202022424595U CN 214112267 U CN214112267 U CN 214112267U
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Abstract
The utility model belongs to the technical field of automobile transmission, and provides an automobile driving system and an automobile, wherein the automobile driving system comprises a hybrid power transmission device and an electric driving device; the hybrid power transmission device comprises an engine, a planet row, a first motor, a first gear set and a first differential mechanism, wherein the planet row comprises a sun gear, a gear ring, a planet carrier and a planet wheel; the electric driving device comprises a second motor, a second differential and a second gear set, and the second motor is connected with the second differential through the second gear set; one of the first differential and the second differential is connected with a front wheel, and the other one is connected with a rear wheel. The utility model provides an automobile driving system, hybrid transmission and electric drive's power can transmit front wheel and rear wheel to realize four-wheel drive.
Description
Technical Field
The utility model belongs to the technical field of the car transmission, especially, relate to an automobile driving system and car.
Background
With the increasing demand of environmental protection and national energy strategy for reducing petroleum import, the development of environment-friendly and energy-saving automobiles becomes the development direction of the automobile industry.
In energy-saving automobiles and new energy automobiles, the technical bottlenecks of long charging time and short driving mileage in winter of pure electric automobiles are not broken through yet. The cost of the hydrogen fuel cell vehicle is high, and the construction of the hydrogenation infrastructure needs time. The hybrid electric vehicle can realize energy conservation and emission reduction even by utilizing the existing energy charging facilities, and is a relatively practical and feasible solution at present, so that various large vehicle enterprises are launched or put into research and development of respective hybrid electric vehicle types.
The hybrid vehicle type realizes energy conservation, needs to have multiple working modes and is switched to the working mode with the best economy according to the actual conditions such as vehicle speed and the torque demand of the whole vehicle. Therefore, in order to achieve energy saving, it is necessary to design a hybrid transmission device having a plurality of operation modes.
The engine and the first motor are both connected with the planetary gear device, and the clutch gear device is arranged between the engine and the first motor. The planetary gear arrangement comprises a first rotating element, a second rotating element and a third rotating element having a rotating axle, the first motor being connected to the third rotating element or to the rotating axle. The clutch gear device includes a first clutch that connects the engine and the rotating axle, and a second clutch that connects the first rotating element and the third rotating element, or the second clutch connects the second rotating element and the third rotating element. The second motor and the first motor are arranged in parallel, the second motor is connected to the output end, and the final differential mechanism of the power is output to the front wheels or the rear wheels.
The hybrid transmission described above has a number of operating modes, but still suffers from the following disadvantages:
(1) only one differential is arranged, power can be output from only one of the front wheels or the rear wheels, and four-wheel drive cannot be realized.
(2) The hybrid power transmission device is provided with two motors and a planet row, and is large in size and not beneficial to arrangement of the whole vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: aiming at the problems that the conventional hybrid power transmission device is only provided with one differential, power can be output from one front wheel or one rear wheel only, and four-wheel drive cannot be realized, the automobile driving system and the automobile are provided.
In order to solve the above technical problem, an embodiment of the present invention provides an automobile driving system, including a hybrid power transmission device and an electric driving device;
the hybrid power transmission device comprises an engine, a planet row, a first motor, a first gear set and a first differential mechanism, wherein the planet row comprises a sun gear, a gear ring, a planet carrier and a planet wheel;
the electric driving device comprises a second motor, a second differential and a second gear set, and the second motor is connected with the second differential through the second gear set;
one of the first differential and the second differential is connected with a front wheel, and the other one is connected with a rear wheel.
Optionally, the hybrid transmission further comprises a brake, one end of the brake is connected with the sun gear, and the other end of the brake is connected with a static component.
Optionally, the engine is connected to the planet carrier via an input shaft.
Optionally, the planet row is located between the engine and the first electric machine, and an end of the input shaft remote from the engine is coaxially spaced from the sun gear.
Optionally, the first electric machine is located between the engine and the planetary gear set, and the sun gear is sleeved on the input shaft.
Optionally, the hybrid transmission further includes a first clutch disposed on the input shaft, the first clutch divides the input shaft into two coaxial sections, the engine is connected to a first end of the first clutch through one of the sections of the input shaft, and a second end of the first clutch is connected to the carrier through the other section of the input shaft.
Optionally, the first gear set includes a first gear, an intermediate shaft, a second gear and a third gear, a planet carrier gear is disposed on the planet carrier, the planet carrier gear is engaged with the first gear, the first gear and the second gear are disposed on the intermediate shaft at intervals, and the third gear is disposed on the first differential and is engaged with the second gear.
Optionally, the second gear set includes a fourth gear, a fifth gear, a second shaft, a sixth gear and a seventh gear, the fourth gear is connected to the other end of the first shaft, the fifth gear and the sixth gear are disposed on the second shaft at intervals, the seventh gear is disposed on the second differential and engaged with the sixth gear, and an output shaft of the second motor is connected to the fourth gear.
Optionally, the electric drive device further comprises a second clutch, an output shaft of the second motor is connected with a first end of the second clutch, and a second end of the second clutch is connected with the fourth gear through the first shaft.
According to the utility model discloses vehicle drive system, the front wheel is connected to one of them of hybrid transmission's first differential mechanism and electric drive's second differential mechanism, and the rear wheel is connected to another. Therefore, the hybrid power transmission device drives one of the front wheels and the rear wheels through the first differential mechanism, the electric drive device drives the other of the front wheels and the rear wheels through the second differential mechanism, the power of the hybrid power transmission device and the electric drive device can be transmitted to the front wheels and the rear wheels to realize four-wheel drive, and the four-wheel drive has a plurality of gears to adapt to various road conditions. In addition, compared with the prior art, the hybrid power transmission device only adopts one motor (the first motor), the size of the hybrid power transmission device can be reduced, the structure of the hybrid power transmission device is simpler and more compact, and the whole vehicle arrangement is convenient.
Additionally, the embodiment of the utility model provides a still provide an automobile, it includes foretell car actuating system.
Drawings
Fig. 1 is a frame diagram of a hybrid transmission of an automobile drive system according to a first embodiment of the present invention;
fig. 2 is a frame diagram of an electric drive device of a vehicle drive system according to a first embodiment of the present invention;
fig. 3 is a lever diagram of the vehicle driving system according to the first embodiment of the present invention in the two-drive pure electric 1-gear mode;
fig. 4 is a lever diagram of the vehicle drive system according to the first embodiment of the present invention in the two-drive pure electric 2-gear mode;
fig. 5 is a lever diagram of the vehicle drive system according to the first embodiment of the present invention in the two-drive pure electric 3-gear mode;
fig. 6 is a lever diagram of the four-wheel drive power split hybrid mode of the vehicle drive system according to the first embodiment of the present invention;
fig. 7 is a lever diagram in the four-wheel drive parallel hybrid mode of the vehicle drive system according to the first embodiment of the present invention;
fig. 8 is a frame diagram of a hybrid transmission of a vehicle drive system according to a second embodiment of the present invention;
fig. 9 is a frame diagram of a hybrid transmission of a vehicle drive system according to a third embodiment of the present invention;
fig. 10 is a frame diagram of a hybrid transmission of a vehicle drive system according to a fourth embodiment of the present invention;
fig. 11 is a frame diagram of a hybrid transmission device of a vehicle drive system according to a fifth embodiment of the present invention
Fig. 12 is a frame diagram of a hybrid transmission of a vehicle drive system according to a sixth embodiment of the present invention;
fig. 13 is a frame diagram of a hybrid transmission device of a vehicle drive system according to a seventh embodiment of the present invention
Fig. 14 is a frame diagram of a hybrid transmission of a vehicle drive system according to an eighth embodiment of the present invention;
fig. 15 is a frame diagram of an electric drive device of a vehicle drive system according to a ninth embodiment of the present invention.
The reference numbers in the drawings of the specification are as follows:
100. a hybrid transmission;
1: an engine; 2: a first motor; 3: an input shaft; 4: a planet row; 5: a first clutch; 6: a brake; 7: a stationary member; 8: a planet carrier; 801. a planet carrier gear; 9: a ring gear; 10: a sun gear; 11: a planet wheel; 12: a first differential mechanism; 13: a first gear; 14: an intermediate shaft; 15: a second gear; 16: a third gear;
200. an electric drive;
17: a second motor; 18: a second clutch; 19: an output shaft of the second motor; 20: a fourth gear; 21: a fifth gear; 22: a second shaft; 23: a sixth gear; 24: a seventh gear; 25: a second differential mechanism; 26: a first shaft.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
First embodiment
As shown in fig. 1 and 2, a first embodiment of the present invention provides an automotive drive system including a hybrid transmission and an electric drive device 200.
Hybrid transmission includes engine 1, planet row 4, first motor 2, first clutch 5, stopper 6, first gear train and first differential mechanism 12, planet row 4 includes sun gear 10, ring gear 9, planet carrier 8 and planet wheel 11, engine 1 passes through input shaft 3 and connects planet carrier 8, first motor 2 is connected sun gear 10, ring gear 9 passes through first gear train connects first differential mechanism 12.
One end of the brake 6 is connected with the sun gear 10, and the other end of the brake 6 is connected with a static component 7.
The planet wheel 11 is meshed between the gear ring 9 and the sun wheel 10, and the planet wheel 11 is rotatably supported on the planet carrier 8 through a pin shaft.
The engine 1 is connected with the planet carrier 8 through an input shaft 3, the planet row 4 is positioned between the engine 1 and the first motor 2, and one end of the input shaft 3, which is far away from the engine 1, is coaxially spaced with the sun gear 10. Preferably, the first clutch 5 is disposed on the first input shaft 3, the first clutch 5 divides the first input shaft 3 into two coaxial segments, the engine 1 is connected to a first end of the first clutch 5 through one segment of the first input shaft 3, and a second end of the first clutch 5 is connected to the first carrier 8 through the other segment of the first input shaft 3.
The electric drive device 200 comprises a second electric motor 17, a second differential 25 and a second gear set, wherein the second electric motor 17 is connected with the second differential 25 through the second gear set; one of the first differential 12 and the second differential 25 is connected to front wheels, and the other is connected to rear wheels.
In the present embodiment, the planetary gear set 4 is located between the engine 1 and the first electric machine 2, and the engine 1 and the first differential 12 are located on the same side of the planetary gear set 4. In this way, the axial dimension of the drive system can be shortened.
The first gear set includes a first gear 13, an intermediate shaft 14, a second gear 15 and a third gear 16, a planet carrier gear 801 is disposed on the planet carrier 8, the planet carrier gear 801 is engaged with the first gear 13, the first gear 13 and the second gear 15 are disposed on the intermediate shaft 14 at intervals, and the third gear 16 is disposed on the first differential 12 and is engaged with the second gear 15.
The second gear set includes a fourth gear 20, a fifth gear 21, a first shaft 26, a second shaft 22, a sixth gear 23 and a seventh gear 24, the second end of the second clutch 18 is connected to one end of the first shaft 26, the fourth gear 20 is connected to the other end of the first shaft 26, the fifth gear 21 and the sixth gear 23 are disposed on the second shaft 22 at intervals, and the seventh gear 24 is disposed on the second differential 25 and meshed with the sixth gear 23.
The stationary part 7 is a transmission housing or a housing of the first electric machine 2. However, other components within the vehicle that remain relatively stationary with respect to the vehicle body are also possible.
According to the first embodiment of the present invention, one of the first differential 12 of the hybrid transmission and the second differential 25 of the electric drive device 200 is connected to the front wheels, and the other is connected to the rear wheels. Thus, the hybrid transmission drives one of the front and rear wheels through the first differential 12, the electric drive 200 drives the other of the front and rear wheels through the second differential 25, the power of the hybrid transmission and the electric drive 200 can be transmitted to the front and rear wheels to realize a four-wheel drive, and the four-wheel drive has a plurality of gears to adapt to various road conditions. In addition, compared with the prior art, the hybrid power transmission device only adopts one motor (the first motor 2), so that the size of the hybrid power transmission device can be reduced, the structure of the hybrid power transmission device is simpler and more compact, and the whole vehicle arrangement is convenient.
By controlling the engagement and disengagement of the first clutch 5, and the locking (braking) and unlocking (brake release) of the brake 6, the vehicle drive system resulting from the combination of the hybrid transmission and the electric drive device 200 is able to achieve 3 two-drive electric-only operating modes and 2 four-drive hybrid operating modes. As in table 1 below:
table 1 operation mode of automobile driving system (first embodiment)
| Mode of operation | Engine | First clutch | Brake |
| Two-drive pure electric 1 gear | Not working | Bonding of | Open |
| Two-drive pure electric 2-gear | Not working | Separation of | Open |
| Two-drive pure electric 3-gear | Not working | Separation of | Lock-up |
| Four-wheel drive power split hybrid | Work by | Bonding of | Open |
| Four-wheel drive parallel hybrid | Work by | Bonding of | Lock-up |
The implementation method of each working mode is as follows:
(1) two-drive pure electric 1-gear mode
Referring to fig. 3, in this mode, the brake 6 of the hybrid transmission is open, the first clutch 5 is engaged, and the engine 1 is not operated. The torque of the second motor 17 is transmitted to the wheels (one of the front wheels and the rear wheels) through the second gear set, the second differential 25.
(2) Two-drive pure electric 2-gear mode
Referring to fig. 4, in this mode, the brake 6 of the hybrid transmission is open, the first clutch 5 is disengaged, and the engine 1 is not operated. The torque of the second electric machine 17 is transmitted to the wheels through a second gear set, a second differential 25.
(3) Two-drive pure electric 3-gear mode
Referring to fig. 5, the brake 6 of the hybrid transmission is locked, the first clutch 5 is disengaged, and the engine 1 is not operated. The torque of the second electric machine 17 is transmitted to the wheels through a second gear set, a second differential 25.
(4) Four-wheel drive power-split hybrid mode
Referring to fig. 6, in this mode, the brake 6 is open, the first clutch 5 is engaged, and the engine 1 is operated. A part of the power of the engine 1 drives the first electric machine 2 to generate electricity, and the other part of the power is transmitted to a wheel (one of the front wheel and the rear wheel) through the planetary row 4 and the first differential 12. The electricity generated by the first motor 2 can be supplied to the second motor 17 and can be charged into the power battery if surplus.
The torque of the second electric machine 17 is transmitted to the wheels (the other of the front and rear wheels) through a second gear set, a second differential 25. Thereby achieving four-wheel drive.
(5) Four-wheel drive parallel hybrid mode
Referring to fig. 7, in this mode, the brake 6 is locked, the first clutch 5 is engaged, and the engine 1 is operated. The resultant torque of the torques of the engine 1 and the first electric machine 2 is transmitted to the wheels (one of the front wheels and the rear wheels) through the planetary row 4 and the first differential 12.
The torque of the second electric machine 17 is transmitted to the wheels (the other of the front and rear wheels) through a second gear set, a second differential 25. Thereby achieving four-wheel drive.
Second embodiment
Fig. 8 is a frame diagram of a hybrid transmission of a vehicle drive system according to a second embodiment of the present invention. The difference from the first exemplary embodiment is that the first electric machine 2 is located between the engine 1 and the planetary gear set 4, and the sun gear 10 is mounted on the input shaft 3 in an idle manner. The sun gear 10 overlaps the input shaft 3, enabling the system axial dimension to be reduced.
Third embodiment
Fig. 9 is a frame diagram of a hybrid transmission of a vehicle drive system according to a third embodiment of the present invention. The difference from the first embodiment is that the first clutch 5 is eliminated from the input shaft 3. That is, the engine 1 is directly connected to the carrier 8 via the input shaft 3.
By controlling the locking (braking) and opening (brake releasing) of the brake 6, the vehicle drive system obtained by combining the hybrid power transmission device and the electric drive device 200 can realize 1 two-drive electric-only operation mode and 2 four-drive hybrid operation modes. As in table 2 below:
TABLE 2 working modes of automobile driving system (third embodiment)
| Mode of operation | Engine | First clutch | Brake |
| Two-drive pure electric 1 gear | Not working | Bonding of | Open |
| Four-wheel drive power split hybrid | Work by | Bonding of | Open |
| Four-wheel drive parallel hybrid | Work by | Bonding of | Lock-up |
Fourth embodiment
Fig. 10 is a frame diagram of a hybrid transmission of a vehicle drive system according to a fourth embodiment of the present invention. The difference from the third exemplary embodiment is that the first electric machine 2 is located between the engine 1 and the planetary gear set 4, and the sun gear 10 is mounted on the input shaft 3 in an empty manner. The sun gear 10 overlaps the input shaft 3, enabling the system axial dimension to be reduced.
Fifth embodiment
Fig. 11 is a frame diagram of a hybrid transmission of a vehicle drive system according to a fifth embodiment of the present invention. Which differs from the first embodiment in that the stopper 6 is deleted.
By controlling the engagement and disengagement of the first clutch 5, the vehicle drive system resulting from the combination of the hybrid transmission and the electric drive 200 is able to achieve 2 two-drive electric-only operating modes and 1 four-drive hybrid operating mode. As in table 3 below:
table 3 operating mode of driving system (fifth embodiment)
Sixth embodiment
Fig. 12 is a frame diagram of a hybrid transmission of a vehicle drive system according to a sixth embodiment of the present invention. The difference from the fifth exemplary embodiment is that the first electric machine 2 is located between the engine 1 and the planetary gear set 4, and the sun gear 10 is mounted on the input shaft 3 in an empty manner. The sun gear 10 overlaps the input shaft 3, enabling the system axial dimension to be reduced.
Seventh embodiment
Fig. 13 is a frame diagram of a hybrid transmission of a vehicle drive system according to a seventh embodiment of the present invention. The difference from the first embodiment is that the first clutch 5 and the brake 6 are deleted.
The vehicle drive system of the seventh embodiment is capable of implementing 1 two-drive electric-only operating mode and 1 four-drive hybrid operating mode by combining the hybrid transmission with the electric drive device 200, as shown in table 4 below:
table 4 operation mode of automobile driving system (seventh embodiment)
| Mode of operation | Engine |
| Two-drive pure electric 1 gear | Not working |
| Four-wheel drive power split hybrid | Work by |
Eighth embodiment
Fig. 14 is a frame diagram of a hybrid transmission of a vehicle drive system according to an eighth embodiment of the present invention. The difference from the seventh exemplary embodiment is that the first electric machine 2 is located between the engine 1 and the planetary gear set 4, and the sun gear 10 is mounted on the input shaft 3 in an empty manner. The sun gear 10 overlaps the input shaft 3, enabling the system axial dimension to be reduced.
Ninth embodiment
Fig. 15 is a block diagram of an electric drive device 200 of a vehicle drive system according to a ninth embodiment of the present invention. The difference from the first embodiment is that a second clutch 18 and a first shaft 26 are added, the output shaft 19 of the second electric machine 17 is connected with a first end of the second clutch 18, and a second end of the second clutch 18 is connected with a fourth gear 20 through the first shaft 26.
Additionally, an embodiment of the utility model also provides an automobile, its automobile driving system who includes above-mentioned embodiment.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A vehicle drive system, comprising a hybrid transmission (100) and an electric drive (200);
the hybrid power transmission device (100) comprises an engine (1), a planet row (4), a first motor (2), a first gear set and a first differential mechanism (12), wherein the planet row (4) comprises a sun gear (10), a gear ring (9), a planet carrier (8) and a planet gear (11), the engine (1) is connected with the planet carrier (8), the first motor (2) is connected with the sun gear (10), and the gear ring (9) is connected with the first differential mechanism through the first gear set;
the electric drive device (200) comprises a second electric motor (17), a second differential (25) and a second gear set, and the second electric motor (17) is connected with the second differential (25) through the second gear set;
one of the first differential (12) and the second differential (25) is connected with a front wheel, and the other one is connected with a rear wheel.
2. The vehicle drive system according to claim 1, wherein the hybrid transmission (100) further comprises a brake (6), one end of the brake (6) is connected to the sun gear (10), and the other end of the brake (6) is connected to a stationary member (7).
3. The vehicle drive system according to claim 1, characterized in that the engine (1) is connected to the planet carrier (8) via an input shaft (3).
4. A vehicle drive system according to claim 3, wherein the planetary gear set (4) is located between the engine (1) and the first electric machine (2), and the end of the input shaft (3) remote from the engine (1) is coaxially spaced from the sun gear (10).
5. The vehicle drive system according to claim 3, characterized in that the first electric machine (2) is located between the engine (1) and the planetary gear (4), the sun gear (10) being free on the input shaft (3).
6. The vehicle drive system according to any one of claims 3 to 5, characterized in that the hybrid transmission (100) further comprises a first clutch (5) provided on the input shaft (3), the first clutch (5) dividing the input shaft (3) into two coaxial segments, the engine (1) being connected to a first end of the first clutch (5) through one of the segments of the input shaft (3), and a second end of the first clutch (5) being connected to the carrier (8) through the other segment of the input shaft (3).
7. The vehicle drive system according to claim 1, characterized in that the first gear set comprises a first gear (13), an intermediate shaft (14), a second gear (15) and a third gear (16), a planet carrier gear (801) is arranged on the planet carrier (8), the planet carrier gear (801) is meshed with the first gear (13), the first gear (13) and the second gear (15) are arranged on the intermediate shaft (14) at intervals, and the third gear (16) is arranged on the first differential (12) and is meshed with the second gear (15).
8. The vehicle drive system according to claim 1, characterized in that the second gear set comprises a fourth gear (20), a fifth gear (21), a second shaft (22), a sixth gear (23) and a seventh gear (24), the fifth gear (21) and the sixth gear (23) are arranged on the second shaft (22) at intervals, the seventh gear (24) is arranged on the second differential (25) and is meshed with the sixth gear (23), and the output shaft (19) of the second electric motor (17) is connected with the fourth gear (20).
9. The vehicle drive system according to claim 8, characterized in that the electric drive (200) further comprises a second clutch (18) and a first shaft (26), the output shaft (19) of the second electric machine (17) being connected to a first end of the second clutch (18), a second end of the second clutch (18) being connected to the fourth gear (20) via the first shaft (26).
10. A vehicle comprising the vehicle drive system of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022424595.7U CN214112267U (en) | 2020-10-27 | 2020-10-27 | Automobile driving system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022424595.7U CN214112267U (en) | 2020-10-27 | 2020-10-27 | Automobile driving system and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN214112267U true CN214112267U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022424595.7U Active CN214112267U (en) | 2020-10-27 | 2020-10-27 | Automobile driving system and automobile |
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| Country | Link |
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| CN (1) | CN214112267U (en) |
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- 2020-10-27 CN CN202022424595.7U patent/CN214112267U/en active Active
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