CN213056669U - Pure electric transmission system and vehicle - Google Patents
Pure electric transmission system and vehicle Download PDFInfo
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- CN213056669U CN213056669U CN202022083218.1U CN202022083218U CN213056669U CN 213056669 U CN213056669 U CN 213056669U CN 202022083218 U CN202022083218 U CN 202022083218U CN 213056669 U CN213056669 U CN 213056669U
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Abstract
The utility model provides a pure electric transmission system and vehicle relates to vehicle technical field. The utility model discloses a pure electric transmission system, include: the first input system comprises a first motor, a first input shaft and a gear driving gear, wherein the first motor is connected with the gear driving gear through the first input shaft; the second input system comprises a second motor, a second input shaft and a motor driving gear, and the second motor is connected with the motor driving gear through the second input shaft; the output system comprises an output shaft, a gear driven gear and a first driving gear, wherein the gear driven gear is matched with a corresponding gear driving wheel. The differential assembly comprises an output half shaft and a differential which are connected with each other, and the output half shaft and the first input shaft are coaxially arranged. The utility model discloses a with output semi-axis and the coaxial design of first input shaft, reduced transmission system's the space of arranging, realize arranging high integration, solve the big problem of the electricelectric drive transmission axial dimension of keeping off more.
Description
Technical Field
The utility model relates to the technical field of vehicles, especially, relate to a pure electric transmission system and vehicle.
Background
At present, the pure electric structure is different according to the general arrangement environment, the structural style is different, each host factory is different to the pure electric transmission structure arrangement selection, and the mainstream structure in the market is input shaft + jackshaft + differential mechanism + motor. Different structures have great influence on dynamic property, efficiency and space utilization, and have inconsistent influence on the design of a transmission assembly and the difficulty of integrated control. The requirements are stricter and stricter based on emission regulations, and pure electric development technology is perfected continuously, but the balance among the aspects of efficiency, power, arrangement and the like is difficult. The existing power system occupies space and has limitation on power economy.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pure electric transmission system solves prior art's transmission system occupation space's problem.
The utility model discloses a problem that prior art driving system's power economy is poor is solved to another purpose.
It is a further object of the present invention to provide a vehicle including such a transmission system.
Particularly, the utility model provides a pure electric drive system, include:
the first input system comprises a first motor, a first input shaft and a gear driving gear, wherein the first motor is connected with the gear driving gear through the first input shaft;
the second input system comprises a second motor, a second input shaft and a motor driving gear, and the second motor is connected with the motor driving gear through the second input shaft;
the output system comprises an output shaft, a gear driven gear and a first driving gear, wherein the gear driven gear is positioned at the output shaft, the first driving gear is positioned at the output shaft, and the gear driven gear is matched with the corresponding gear driving gear; and
the differential assembly, the differential assembly includes interconnect's output semi-axis and differential mechanism, the output semi-axis with first input shaft coaxial arrangement, differential mechanism with first driving gear meshes, with the energy of first motor by differential mechanism transmits away, differential mechanism with motor driving gear meshes, with the energy of second motor by differential mechanism transmits away.
Optionally, the gear driving gear comprises a first gear driving gear and a second gear driving gear,
the gear driven gear comprises a first gear driven gear and a second gear driven gear, and a synchronizer is also arranged between the first gear driven gear and the second gear driven gear;
and the first-gear driving gear is meshed with the first-gear driven gear or the second-gear driving gear is meshed with the second-gear driven gear through the selection of the gear engagement of the synchronizer.
Optionally, the automatic gear shifting device further comprises a gear shifting motor and a gear shifting fork, wherein the gear shifting motor drives the gear shifting fork to shift the synchronizer to shift gears.
Optionally, the motor driving gear and the first driving gear are respectively located at opposite sides of the differential.
Optionally, the driving mode of the pure electric transmission system includes a single-motor driving mode, the single-motor driving mode includes that the first motor is driven alone, and energy of the first motor is transmitted to the first driving gear and the differential through the first gear driving gear, the second gear driving gear, the first gear driven gear and/or the second gear driven gear via an output shaft.
Optionally, the single-motor drive mode further includes driving the second motor alone, and the energy of the second motor is transmitted to the differential through the motor driving gear and then transmitted out.
Optionally, when the driving mode is a single motor driving mode and is driven by the second motor alone, the first motor is disconnected or reverse-towed charged.
Optionally, the drive mode of the electric-only transmission system includes a reverse drive mode, and when the single-motor drive mode is the single-motor drive mode, the first motor rotates reversely, so that the reverse drive mode is realized.
Optionally, the drive mode of the pure electric drive system further includes a dual-motor drive mode, where the dual-motor drive mode provides energy for both the first motor and the second motor, and the energy of the first motor and the energy of the second motor are transmitted by the differential at the same time.
In particular, the utility model also provides a vehicle, this vehicle includes the pure electric drive system of the aforesaid.
The utility model discloses a with output semi-axis and the coaxial design of first input shaft, reduced transmission system's the space of arranging. Just the utility model discloses introduced the P3 structure (be second input system 20) on single motor drive's basis, realized arranging high integration, solved the big problem of multi-gear pure electric transmission axial dimension.
Further, the utility model discloses combine first motor drive in second motor drive, at climbing or hypervelocity stage, can adopt two motor drive, at highway sections such as high speed, can adopt second motor direct drive, the disconnection of synchronizer can promote actuating mechanism efficiency the most.
Further, the utility model discloses a mechatronic design, the process of shifting adopts the gear shifting motor speed governing, reduces the synchronous ware designing requirement, promotes the performance of shifting, provides superior driveability.
Further, the utility model discloses the cancellation design of reversing gear utilizes the backdrive of motor, realizes reversing gear drive, is favorable to the derailleur miniaturization, lightweight design.
The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.
Drawings
Some specific embodiments of the present invention will be described in detail hereinafter, by way of illustration and not by way of limitation, with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:
FIG. 1 is a schematic block diagram of a transmission system according to an embodiment of the present invention;
Detailed Description
Fig. 1 is a schematic block diagram of a purely electric drive system 100 according to an embodiment of the invention. The electric-only transmission system 100 of the present embodiment may include a first input system 10, a second input system 20, an output system 30, and a differential assembly 40. Specifically, the first input system 10 may include a first electric motor 11, a first input shaft 12, and a gear driving gear 13, wherein the first electric motor 11 is connected to the gear driving gear 13 through the first input shaft 12. The second input system 20 may include a second electric motor 21, a second input shaft 22, and a motor drive gear 23, wherein the second electric motor 21 is connected to the motor drive gear 23 through the second input shaft 22. The output system 30 may comprise an output shaft 31, a gear driven gear 32 at the output shaft 31 and a first driving gear 33 at the output shaft 31, the gear driven gear 32 being in cooperation with a corresponding gear driving gear 13. The differential assembly 40 may include an output half shaft 41 and a differential 42 connected to each other, the output half shaft 41 being disposed coaxially with the first input shaft 12, the differential 42 being engaged with the first drive gear 33 to transmit the power of the first electric machine 11 through the differential 42, and the differential 42 being engaged with the motor drive gear 23 to transmit the power of the second electric machine 21 through the differential 42.
The embodiment of the present invention, which has the output half shaft 41 coaxial with the first input shaft 12, reduces the space for the transmission system 100. In addition, the P3 structure (namely, the second input system 20) is introduced on the basis of single motor driving, so that high integration is realized, and the problem of large axial size of the multi-gear pure electric transmission is solved.
In addition, the second motor 21 is introduced to drive on the basis of the first motor 11, double-motor driving can be adopted in the climbing or overspeed stage, the second motor 21 can be directly driven in high-speed and other road sections, the synchronizer is disconnected, and the efficiency of the driving mechanism can be improved to the maximum extent.
As a specific embodiment of the present invention, the gear driving gear 13 of the present embodiment includes a first gear driving gear 131 and a second gear driving gear 132, the gear driven gear 32 includes a first gear driven gear 321 and a second gear driven gear 322, and a synchronizer 323 is further disposed between the first gear driven gear 321 and the second gear driven gear 322. The first gear driving gear 131 is engaged with the first gear driven gear 321 or the second gear driving gear 132 is engaged with the second gear driven gear 322 by the synchronizer 323 in gear selection.
As a specific embodiment of the present invention, the transmission system 100 of this embodiment may further include a shift motor 50 and a shift fork 51, and the shift motor 50 drives the shift fork 51 to shift the synchronizer 323 for shifting. The shift motor 50 and the shift fork 51 are mainly used for shifting the synchronizer 323 to shift gears. The mechanical and electrical integration design is adopted, the speed of the gear shifting motor 50 is adjusted in the gear shifting process, the design requirement of the synchronizer 323 is reduced, the gear shifting performance is improved, and the excellent driving performance is provided.
As a specific example of the present invention, the motor drive gear 23 and the first drive gear 33 are located on opposite sides of the differential 42. This arrangement makes the arrangement of the entire transmission system 100 more compact, reducing the arrangement space.
As a specific embodiment of the present invention, the driving mode of the pure electric transmission system 100 includes a single motor driving mode, the single motor driving mode includes driving with the first motor 11 alone, and the energy of the first motor 11 is transmitted out after transmitting the energy to the first driving gear 33 and the differential mechanism 42 through the output shaft 31 via the first gear driving gear 131, the second gear driving gear 132, the first gear driven gear 321 and/or the second gear driven gear 322.
In the actual energy transmission process, a first gear transmission and a second gear transmission can be adopted. When the first gear transmission is adopted, the energy of the first electric motor 11 is transmitted to the first gear driving gear through the first input shaft 12, the synchronizer 323 is engaged to the first gear, the first gear driving gear is engaged with the first gear driven gear 321, and the energy is transmitted from the first driving gear 33 through the speed reducer. When the second gear transmission is adopted, the energy of the first motor 11 is transmitted to the second gear driving gear through the first input shaft 12, the synchronizer 323 is hung to the second gear, the second gear driving gear is meshed with the second gear driven gear 322, and the energy is transmitted out through the speed reducer by the first driving gear 33.
Specifically, the drive modes of the electric-only transmission system 100 include a reverse drive mode, and when the single-motor drive mode is the single-motor drive mode, the first electric motor 11 rotates in reverse, so that the reverse drive mode is realized.
The reverse gear design is cancelled in the embodiment, reverse drive of the motor is utilized, reverse drive is achieved, and the transmission is beneficial to miniaturization and light-weight design.
As a specific embodiment of the present invention, the single motor driving mode further includes driving the second motor 21 alone, and the energy of the second motor 21 is transmitted to the differential 42 through the motor driving gear 23 and then transmitted.
As a specific embodiment of the present invention, when the driving mode is the single motor driving mode and is driven by the second motor 21 alone, the first motor 11 is disconnected or is reversely charged. In the present embodiment, when the second motor 21 is driven alone, the disconnection or non-disconnection of the first motor 11 may be determined according to an actual driving mode, so as to realize energy recovery.
As a specific embodiment of the present invention, the driving modes of the pure electric transmission system 100 further include a dual-motor driving mode, which provides energy for both the first motor 11 and the second motor 21, and transmits the energy of the first motor 11 and the second motor 21 through the differential 42. The transmission system 100 of the present embodiment can be driven by two motors, and has good dynamic performance during the climbing and speeding stage of the vehicle.
As a specific embodiment of the present invention, the present embodiment further provides a vehicle, which may include the above pure electric drive system 100.
Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made, consistent with the principles of the invention, which are directly determined or derived from the disclosure herein, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.
Claims (10)
1. A pure electric drive system, comprising:
the first input system comprises a first motor, a first input shaft and a gear driving gear, wherein the first motor is connected with the gear driving gear through the first input shaft;
the second input system comprises a second motor, a second input shaft and a motor driving gear, and the second motor is connected with the motor driving gear through the second input shaft;
the output system comprises an output shaft, a gear driven gear and a first driving gear, wherein the gear driven gear is positioned at the output shaft, the first driving gear is positioned at the output shaft, and the gear driven gear is matched with the corresponding gear driving gear; and
the differential assembly, the differential assembly includes interconnect's output semi-axis and differential mechanism, the output semi-axis with first input shaft coaxial arrangement, differential mechanism with first driving gear meshes, with the energy of first motor by differential mechanism transmits away, differential mechanism with motor driving gear meshes, with the energy of second motor by differential mechanism transmits away.
2. The electric-only transmission system of claim 1,
the gear driving gear comprises a first gear driving gear and a second gear driving gear,
the gear driven gear comprises a first gear driven gear and a second gear driven gear, and a synchronizer is also arranged between the first gear driven gear and the second gear driven gear;
and the first-gear driving gear is meshed with the first-gear driven gear or the second-gear driving gear is meshed with the second-gear driven gear through the selection of the gear engagement of the synchronizer.
3. The electric-only transmission system of claim 2,
the gear shifting device is characterized by further comprising a gear shifting motor and a gear shifting fork, wherein the gear shifting motor drives the gear shifting fork to shift the synchronizer to shift.
4. The electric-only transmission system of claim 1,
the motor driving gear and the first driving gear are respectively located on opposite side edges of the differential.
5. The electric-only transmission system of claim 2,
the driving mode of the pure electric transmission system comprises a single-motor driving mode, the single-motor driving mode comprises the mode that the first motor is driven independently, and the energy of the first motor is transmitted to the first driving gear and the differential mechanism through the first gear driving gear, the second gear driving gear, the first gear driven gear and/or the second gear driven gear through the output shaft.
6. The electric-only transmission system of claim 5,
the single motor driving mode also comprises that the second motor is used for driving independently, and the energy of the second motor is transmitted to the differential mechanism through the motor driving gear and then transmitted out.
7. The electric only transmission system of claim 6,
when the driving mode is a single-motor driving mode and is driven by the second motor alone, the first motor is disconnected or is reversely charged.
8. The electric-only transmission system of claim 5,
the drive mode of the pure electric drive system comprises a reverse gear drive mode, and when the single motor drive mode is that the first motor is driven independently, the first motor rotates reversely to realize the reverse gear drive mode.
9. A pure electric drive system according to any of claims 1-8,
the driving modes of the pure electric transmission system further comprise a double-motor driving mode, the double-motor driving mode provides energy for the first motor and the second motor, and the energy of the first motor and the energy of the second motor are transmitted out by the differential mechanism at the same time.
10. A vehicle comprising the electric-only transmission system of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083218.1U CN213056669U (en) | 2020-09-21 | 2020-09-21 | Pure electric transmission system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022083218.1U CN213056669U (en) | 2020-09-21 | 2020-09-21 | Pure electric transmission system and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213056669U true CN213056669U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022083218.1U Active CN213056669U (en) | 2020-09-21 | 2020-09-21 | Pure electric transmission system and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213056669U (en) |
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2020
- 2020-09-21 CN CN202022083218.1U patent/CN213056669U/en active Active
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| GR01 | Patent grant | ||
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Address after: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee after: Yiwu Geely automatic transmission Co.,Ltd. Patentee after: Aurora Bay Technology Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: Yiwu Geely automatic transmission Co.,Ltd. Patentee before: ZHEJIANG GEELY POWER ASSEMBLY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230224 Address after: No. 99, Beihui Road, Huishan Industrial Transformation Cluster, Wuxi City, Jiangsu Province, 214181 Patentee after: Wuxi Xingqu Technology Co.,Ltd. Patentee after: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Address before: 310051 No. 1760, Jiangling Road, Hangzhou, Zhejiang, Binjiang District Patentee before: ZHEJIANG GEELY HOLDING GROUP Co.,Ltd. Patentee before: Yiwu Geely automatic transmission Co.,Ltd. Patentee before: Aurora Bay Technology Co.,Ltd. |