CN216268655U - Power system and vehicle with same - Google Patents
Power system and vehicle with same Download PDFInfo
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- CN216268655U CN216268655U CN202122601845.4U CN202122601845U CN216268655U CN 216268655 U CN216268655 U CN 216268655U CN 202122601845 U CN202122601845 U CN 202122601845U CN 216268655 U CN216268655 U CN 216268655U
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Abstract
The utility model discloses a power system and a vehicle with the same, comprising: an engine; a first input shaft connected to the engine; a first motor and a second motor; the first motor is connected with the second input shaft, the second motor is connected with the third input shaft, and the third input shaft is constructed as a hollow shaft and sleeved on the second input shaft; an output shaft selectable with the first input shaft; and/or the second input shaft is linked; and/or the third input shaft. According to the power system provided by the embodiment of the utility model, the second input shaft and the third input shaft are coaxially arranged, so that the transverse space occupation of the power system can be reduced, the overall arrangement of the power system is more compact, the arrangement difficulty of the power system is reduced, and the arrangement convenience of the power system is improved.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to a power system and a vehicle with the same.
Background
In the related art, a common hybrid power system generally includes an engine, a first motor and a second motor, where the engine, the first motor and the second motor are respectively in power connection with an output shaft through respective input shafts to achieve power output.
However, in the conventional hybrid power system, the first motor, the second motor, and the input shaft and the output shaft of the engine are all arranged in parallel, so that the space occupied by the power system is large.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. To this end, it is an object of the utility model to propose a power system whose arrangement is more compact.
The utility model further provides a vehicle adopting the power system.
According to a power system of an embodiment of a first aspect of the utility model, comprising: an engine; a first input shaft connected to the engine; a first motor and a second motor; the first motor is connected with the second input shaft, the second motor is connected with the third input shaft, and the third input shaft is constructed as a hollow shaft and sleeved on the second input shaft; an output shaft selectable with the first input shaft; and/or the second input shaft is linked; and/or the third input shaft.
According to the power system provided by the embodiment of the utility model, the second input shaft and the third input shaft are coaxially arranged, so that the transverse space occupation of the power system can be reduced, the overall arrangement of the power system is more compact, the arrangement difficulty of the power system is reduced, and the arrangement convenience of the power system is improved.
According to some embodiments of the utility model, the power system further comprises: the first transmission set is arranged between the second input shaft and the output shaft so as to realize linkage of the output shaft and the second input shaft.
In some embodiments, the first transmission set comprises: a plurality of first gears coupled to the second input shaft and a plurality of second gears coupled to the output shaft, each of the first gears being in mesh with a corresponding one of the second gears.
Further, the power system further comprises: the clutch assembly is arranged between the first input shaft and the output shaft and is used for controlling the first input shaft to be linked with the output shaft and/or the second input shaft to be linked with the output shaft.
Further, the clutch assembly includes: the method comprises the following steps: the clutch shell is connected with the second gear, the first clutch is connected with the output shaft, the second clutch is connected with the first input shaft, and the second gear is sleeved on the output shaft in an empty mode.
In some embodiments, the power system further comprises: and the second transmission set is arranged between the third input shaft and the output shaft so as to realize linkage of the output shaft and the third input shaft.
Further, the second transmission set includes: a plurality of third gears coupled to the third input shaft and a plurality of fourth gears coupled to the output shaft, each of the third gears being engaged with a corresponding one of the fourth gears.
According to some embodiments of the utility model, the power system further comprises: the differential mechanism is connected with a fifth gear of the third transmission set, the output shaft is connected with a sixth gear of the third transmission set, and the fifth gear is meshed with the sixth gear.
According to some embodiments of the utility model, the first input shaft is arranged coaxially with the output shaft.
A vehicle according to an embodiment of a second aspect of the utility model includes: the power system described in the above embodiments.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic illustration of a power system according to an embodiment of the present disclosure.
Reference numerals:
in the case of the power system 100,
an engine 1, a first input shaft 2, a first motor 3, a second motor 4, a second input shaft 5, a third input shaft 6, an output shaft 7,
a first transmission set 8, a first gear 801, a second gear 802,
the clutch assembly 9, the clutch housing 901, the first clutch 902, the second clutch 903,
a third transmission set 11, a fifth gear 1101, a sixth gear 1102,
a differential 12.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
A power system 100 and a vehicle according to an embodiment of the utility model are described below with reference to fig. 1.
As shown in fig. 1, a power system 100 according to an embodiment of the present invention includes: the hybrid vehicle drive system comprises an engine 1, a first input shaft 2, a first motor 3, a second motor 4, a second input shaft 5, a third input shaft 6 and an output shaft 7.
Wherein the first input shaft 2 is connected with the engine 1; the first motor 3 is connected with the second input shaft 5, the second motor 4 is connected with the third input shaft 6, and the third input shaft 6 is constructed as a hollow shaft and is sleeved on the second input shaft 5; the output shaft 7 is selectively connected with the first input shaft 2; and/or the second input shaft 5; and/or the third input shaft 6.
It should be noted that the output shaft 7 is alternatively connected to the first input shaft 2; and/or the second input shaft 5; and/or the third input shaft 6 is linked, which means that the first motor 3, the second motor 4 and the engine 1 can be all configured as power input ends, when the output shaft 7 is linked with the first input shaft 2, the torque provided by the engine 1 can be output to the output shaft 7, when the output shaft 7 is linked with the second input shaft 5, the torque provided by the first motor 3 can be output to the output shaft 7, and when the output shaft 7 is linked with the third input shaft 6, the torque provided by the second motor 4 can be output to the output shaft 7.
Correspondingly, the output shaft 7 can be selectively linked with the first input shaft 2 and the second input shaft 5, the output shaft 7 can be linked with the first input shaft 2 to realize power output, the output shaft 7 can be linked with the second input shaft 5 to realize power generation of the first motor 3 so as to improve the endurance mileage of the vehicle, and the output shaft 7 can be selectively linked with the first input shaft 2 and/or the second input shaft 5, and torque provided by the first input shaft 2 and the second input shaft 5 can be coupled and then applied to the output shaft 7; the output shaft 7 can be selectively coupled with the first input shaft 2 and the third input shaft 6 through linkage, and the first input shaft 2 and the third input shaft 6 can be coupled; the output shaft 7 may be selectively coupled to the second input shaft 5 and the third input shaft 6, and may be coupled to the second input shaft 5 and the third input shaft 6, respectively, corresponding to different driving modes of the vehicle, which will be described in detail below.
Furthermore, in the present invention, the third input shaft 6 is configured as a hollow shaft and is sleeved on the second input shaft 5, so that the first motor 3 and the second motor 4 can be coaxially arranged, and thus the space occupation of the power system 100 in the transverse direction can be effectively reduced.
It is to be understood that the direction in which the first motor 3 and the second motor 4 are sequentially arranged is defined as a longitudinal direction, and the direction in which the first input shaft 2, the second input shaft 5, and the output shaft 7 are arranged in parallel is defined as a lateral direction.
According to the power system 100 of the embodiment of the utility model, the second input shaft 5 and the third input shaft 6 are coaxially arranged, so that the transverse space occupation of the power system 100 can be reduced, the overall arrangement of the power system 100 is more compact, the arrangement difficulty of the power system 100 is reduced, and the arrangement convenience of the power system 100 is improved.
In the particular embodiment shown in FIG. 1, power system 100 further includes, in accordance with some embodiments of the utility model: and the first transmission set 8 is arranged between the second input shaft 5 and the output shaft 7, so that the output shaft 7 is linked with the second input shaft 5. In this way, when power is output by the first motor 3 as a power source, the speed and the torque can be reduced and increased by the first transmission set 8, so as to improve the driving torque.
In some embodiments, first transmission set 8 comprises: a first gear 801 and a second gear 802, which can realize fixed speed reduction and torque increase, and gear control by adjusting the rotation speed of the first electric machine 3, in other embodiments, the first transmission set 8 includes: a plurality of first gears 801 and a plurality of second gears 802, the first gears 801 are connected with the second input shaft 5, the second gears 802 are connected with the output shaft 7, each first gear 801 is meshed with a corresponding second gear 802, so that the multi-gear control when the first motor 3 is driven is realized through a plurality of transmission ratios of the first gears 801 and the second gears 802.
As shown in fig. 1, the power system 100 further includes: and the clutch assembly 9 is arranged between the first input shaft 2 and the output shaft 7, and the clutch assembly 9 is used for controlling the first input shaft 2 to be linked with the output shaft 7 and/or the second input shaft 5 to be linked with the output shaft 7.
That is, whether the first motor 3 and the engine 1 are linked with the output shaft 7 or not can be controlled by closing and opening the clutch assembly 9, so that the vehicle can be switched among a plurality of driving modes, and the convenience of the power system 100 can be improved.
Wherein the clutch assembly 9 comprises: the method comprises the following steps: the clutch comprises a clutch shell 901, and a first clutch 902 and a second clutch 903 which are arranged in the clutch shell 901, wherein the clutch shell 901 is connected with a second gear 802, the first clutch 902 is connected with an output shaft 7, the second clutch 903 is connected with a first input shaft 2, and the second gear 802 is sleeved on the output shaft 7 in an empty way.
Thus, when the first clutch 902 is disengaged and the first motor 3 cannot participate in the power output process, and when the second clutch 903 is disengaged and the engine 1 cannot participate in the power output process, and when the first clutch 902 and the second clutch 903 are simultaneously closed, the engine 1 outputs power, and the first motor 3 can realize speed-up power generation under the action of the second gear 802 and the first gear 801.
In some embodiments, power system 100 further includes: and a second transmission set 10, wherein the second transmission set 10 is arranged between the third input shaft 6 and the output shaft 7 so as to realize the linkage of the output shaft 7 and the third input shaft 6. In this way, when power is output by the second motor 4 as a power source, the second transmission set 10 can reduce the speed and increase the torque to increase the driving torque.
In some embodiments, second drive-group 10 includes: a third gear 1001 and a fourth gear 1002, which can realize a fixed speed reduction and torque increase ratio, and realize gear control by adjusting the rotation speed of the first electric machine 3, in other embodiments, the second transmission set 10 includes: a plurality of third gears 1001 and a plurality of fourth gears 1002, wherein the third gears 1001 are connected with the third input shaft 6, the fourth gears 1002 are connected with the output shaft 7, and each third gear 1001 is meshed with a corresponding fourth gear 1002, so that the multi-gear control when the second motor 4 is driven is realized through a plurality of transmission ratios of the third gears 1001 and the fourth gears 1002.
According to some embodiments of the utility model, power system 100 further comprises: a differential 12 and a third transmission set 11, wherein the differential 12 is connected with a fifth gear 1101 of the third transmission set 11, the output shaft 7 is connected with a sixth gear 1102 of the third transmission set 11, and the fifth gear 1101 is meshed with the sixth gear 1102.
It should be noted that two ends of the differential 12 are respectively connected to a driving wheel, and the differential 12 is in power connection with the output shaft 7 through the fifth gear 1101 and the sixth gear 1102 of the third transmission set 11, on one hand, the first transmission set 8 is matched with the third transmission set 11, or the second transmission set 10 is matched with the third transmission set 11, so that two-stage speed reduction and torque increase can be realized, and the driving stability is further improved; on the other hand, compared with the existing power system 100, at least one set of intermediate gear set can be omitted between the output shaft 7 and the plurality of input shafts, so that the compactness of the power system 100 can be remarkably improved, and the cost of the power system 100 can be effectively reduced.
According to some embodiments of the present invention, the first input shaft 2 is coaxially disposed with the output shaft 7, that is, the second input shaft 5 and the third input shaft 6 are coaxially disposed, and the first input shaft 2 and the output shaft 7 are coaxially disposed, so that the lateral space occupation of the power system 100 can be further reduced.
A vehicle according to an embodiment of the present invention includes: the technical effect of the power system 100 in the above embodiment is the same as that of the power system 100, and is not described herein again.
Next, referring to fig. 1, the power transmission route and the closing condition of the clutch assembly 9 in the various operation modes of the vehicular power system 100 according to the embodiment of the present invention will be specifically described.
Direct drive mode of engine 1:
in the direct drive mode of the engine 1, the engine 1 drives the vehicle to run.
The power output route is as follows: engine 1 → first input shaft 2 → first clutch 902 is closed, second clutch 903 is closed → output shaft 7 → sixth gear 1102 → fifth gear 1101 → differential 12 → drive wheels.
The switching circuit of the first motor 3 is: the engine 1 → the first input shaft 2 → the first clutch 902 is closed, the second clutch 903 is closed → the second gear 802 → the first gear 801 → the second input shaft 5 → the first electric machine 3, and the speed-increasing power generation of the first electric machine 3 is realized.
under the driving mode of the first motor 3, the first motor 3 drives the vehicle to run.
The power output route is as follows: the first electric machine 3 → the second input shaft 5 → the first gear 801 → the second gear 802 → the first clutch 902 is closed, the second clutch 903 is open → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel, and the power output after the two-stage speed reduction and torque increase under the drive of the first electric machine 3 is realized.
Second motor 4 drive mode:
and under the driving mode of the second motor 4, the second motor 4 drives the vehicle to run.
The power output route is as follows: the second electric motor 4 → the third input shaft 6 → the third gear 1001 → the fourth gear 1002 → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel, and the power output after the second-stage speed reduction and torque increase under the drive of the second electric motor 4 is realized.
The dual-motor common driving mode comprises the following steps:
under the double-motor common driving mode, the output torques of the first motor 3 and the second motor 4 are coupled to drive the vehicle to run.
The first output route is: the first electric motor 3 → the second input shaft 5 → the first gear 801 → the second gear 802 → the first clutch 902 is closed, the second clutch 903 is open → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel;
the second output route is: the second motor 4 → the third input shaft 6 → the third gear 1001 → the fourth gear 1002 → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel.
Wherein, the output torque of the first electric machine 3 and the output torque of the second electric machine 4 are coupled on the output shaft 7 and then output to the differential 12.
Hybrid drive mode:
in the hybrid driving mode, the engine 1 and the output torque of the second electric machine 4 are coupled to drive the vehicle to run.
The first output route is: engine 1 → first input shaft 2 → first clutch 902 is closed, second clutch 903 is closed → output shaft 7 → sixth gear 1102 → fifth gear 1101 → differential 12 → drive wheels;
the second output route is: the second motor 4 → the third input shaft 6 → the third gear 1001 → the fourth gear 1002 → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel.
The switching circuit of the first motor 3 is: the engine 1 → the first input shaft 2 → the first clutch 902 is closed, the second clutch 903 is closed → the second gear 802 → the first gear 801 → the second input shaft 5 → the first electric machine 3, and the speed-increasing power generation of the first electric machine 3 is realized.
Wherein, the torque provided by the engine 1 and the torque provided by the second electric machine 4 are coupled on the output shaft 7 and then output to the differential 12, and the first electric machine 3 generates electricity to recover at least part of energy.
The driving power generation mode is as follows:
in the driving power generation mode, the engine 1 drives the vehicle to run and simultaneously drives the first motor 3 to generate power.
The power output route of the running power generation mode is consistent with the power output route of the engine 1 direct drive mode, and the power generation route of the first motor 3 is as follows: the engine 1 → the first input shaft 2 → the first clutch 902 is closed, the second clutch 903 is closed → the second gear 802 → the first gear 801 → the second input shaft 5 → the first electric machine 3, and the speed-increasing power generation of the first electric machine 3 is realized.
Note that the power output route and the power generation route in the running power generation mode are consistent with the direct drive mode of the engine 1.
Parking power generation mode:
in the parking power generation mode, the vehicle stops running, and the engine 1 drives the first motor 3 to generate power.
The circuit generating line is as follows: the engine 1 → the first input shaft 2 → the second clutch 903 is closed, the first clutch 902 is open → the second gear 802 → the first gear 801 → the second input shaft 5 → the first electric machine 3, and the second electric machine 4 does not output power.
A range extending mode:
in the range-extended mode, the second motor 4 drives the vehicle to run, and the engine 1 drives the first motor 3 to generate power.
The output route in the range extending mode is as follows: the second motor 4 → the third input shaft 6 → the third gear 1001 → the fourth gear 1002 → the output shaft 7 → the sixth gear 1102 → the fifth gear 1101 → the differential 12 → the drive wheel;
the circuit generating line in the range extending mode comprises: the engine 1 → the first input shaft 2 → the second clutch 903 is closed, the first clutch 902 is open → the second gear 802 → the first gear 801 → the second input shaft 5 → the first electric machine 3.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present invention, "a plurality" means two or more.
In the description of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween.
In the description of the utility model, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A power system, comprising:
an engine;
a first input shaft connected to the engine;
a first motor and a second motor;
the first motor is connected with the second input shaft, the second motor is connected with the third input shaft, and the third input shaft is constructed as a hollow shaft and sleeved on the second input shaft;
an output shaft selectable with the first input shaft; and/or the second input shaft is linked; and/or the third input shaft.
2. The power system of claim 1, further comprising: the first transmission set is arranged between the second input shaft and the output shaft so as to realize linkage of the output shaft and the second input shaft.
3. The powertrain system of claim 2, wherein the first transmission set comprises: a plurality of first gears coupled to the second input shaft and a plurality of second gears coupled to the output shaft, each of the first gears being in mesh with a corresponding one of the second gears.
4. The power system of claim 3, further comprising: the clutch assembly is arranged between the first input shaft and the output shaft and is used for controlling the first input shaft to be linked with the output shaft and/or the second input shaft to be linked with the output shaft.
5. The powertrain system of claim 4, wherein the clutch assembly comprises: the method comprises the following steps: the clutch shell is connected with the second gear, the first clutch is connected with the output shaft, the second clutch is connected with the first input shaft, and the second gear is sleeved on the output shaft in an empty mode.
6. The power system of claim 1, further comprising: and the second transmission set is arranged between the third input shaft and the output shaft so as to realize linkage of the output shaft and the third input shaft.
7. The powertrain system of claim 6, wherein the second drive-group comprises: a plurality of third gears coupled to the third input shaft and a plurality of fourth gears coupled to the output shaft, each of the third gears being engaged with a corresponding one of the fourth gears.
8. The power system of claim 1, further comprising: the differential mechanism is connected with a fifth gear of the third transmission set, the output shaft is connected with a sixth gear of the third transmission set, and the fifth gear is meshed with the sixth gear.
9. The powertrain system of any of claims 1-8, wherein the first input shaft is disposed coaxially with the output shaft.
10. A vehicle, characterized by comprising: the power system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601845.4U CN216268655U (en) | 2021-10-27 | 2021-10-27 | Power system and vehicle with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601845.4U CN216268655U (en) | 2021-10-27 | 2021-10-27 | Power system and vehicle with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216268655U true CN216268655U (en) | 2022-04-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601845.4U Active CN216268655U (en) | 2021-10-27 | 2021-10-27 | Power system and vehicle with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216268655U (en) |
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2021
- 2021-10-27 CN CN202122601845.4U patent/CN216268655U/en active Active
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