CN218141022U - Hybrid power driving system for heavy-duty automobile - Google Patents
Hybrid power driving system for heavy-duty automobile Download PDFInfo
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- CN218141022U CN218141022U CN202222931550.8U CN202222931550U CN218141022U CN 218141022 U CN218141022 U CN 218141022U CN 202222931550 U CN202222931550 U CN 202222931550U CN 218141022 U CN218141022 U CN 218141022U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/62—Hybrid vehicles
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Abstract
The utility model discloses a hybrid power driving system for a heavy truck, which also comprises a middle driving axle, a rear driving axle and a power battery; the middle drive axle is driven by an internal combustion engine, the rear electric drive axle is driven by electricity, the internal combustion engine drive and the electricity drive are two independent drive systems, and a power battery is connected with the rear electric drive axle to provide electric energy; the front wheel, the middle driving axle, the rear driving axle and the power battery are all arranged on the frame. The utility model discloses an intermediate drive axle and the direct mechanical connection of internal-combustion engine, and electric drive system is not direct mechanical connection with traditional internal-combustion engine, and the drive mode that has formed heavy-duty car is traditional internal-combustion engine drive mode for the intermediate drive axle of two rear axles, and the rear drive axle is the electric drive axle, and the drive system configuration is the hybrid mode. The utility model discloses contain traditional internal-combustion engine and actuating system, need not to develop new driving system coupling mechanism, can greatly reduced research and development design expense, shorten the experimental verification cycle of whole car.
Description
Technical Field
The utility model relates to the technical field of vehicles, concretely relates to hybrid power drive system for heavy-duty car.
Background
With the annual increase of global carbon emission requirements, a national level implements a system with carbon intensity control as a main part and carbon emission total amount control as an auxiliary part. In this large context, green transportation transition will greatly pull the new energy capacity demand including new energy heavy trucks. The existing new energy heavy-duty automobile is divided into a pure electric heavy-duty automobile and a hybrid power heavy-duty automobile (such as a heavy truck), and either type of the new energy heavy-duty automobile is completely new in design and development from the source during development and design.
For a hybrid power heavy-duty automobile, when development and design are carried out from the source, a coupling mechanism is designed to be better adapted to the control of an engine system, a highly-coupled integrated scheme that an engine is matched with a motor and a gearbox is adopted, the design method needs to invest a large amount of research and development calibration cost, and the test verification period of the whole automobile is also prolonged.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a hybrid drive system for heavy-duty car need not to develop new driving system coupling mechanism, can utilize heavy-duty car's original coupling mechanism, only needs to change rear drive axle into the electric drive, can realize that current internal-combustion engine drive motorcycle type becomes hybrid drive to greatly reduced research and development design expense shortens the experimental verification cycle of whole car.
The utility model aims to provide a hybrid power driving system for a heavy-duty car, which also comprises a middle driving axle, a rear driving axle and a power battery;
the middle drive axle is driven by an internal combustion engine, the rear electric drive axle is driven by an electric drive, the internal combustion engine drive and the electric drive are two independent drive systems, and the power battery is connected with the rear electric drive axle to provide electric energy;
the front wheels, the middle drive axle, the rear drive axle and the power battery are all arranged on the frame.
Optionally, the rear electric drive axle is a rear axle drive double-sided hub motor system.
Optionally, the rear electric drive axle includes two rear drive wheels, a rear drive dual-control motor controller, a first rear side hub motor, and a second rear side hub motor, the two rear drive wheels are respectively disposed corresponding to the first rear side hub motor and the second rear side hub motor, a data output end of the power battery is connected to a data input end of the rear drive dual-control motor controller, and a data output end of the rear drive dual-control motor controller is respectively connected to the first rear side hub motor and the second rear side hub motor.
Optionally, the first rear-side hub motor, the second rear-side hub motor and the rear-drive dual-control motor controller are all connected through a three-phase power line.
Optionally, the power battery is connected with the rear-drive dual-control motor controller through a direct-current bus.
Optionally, the data output end of the rear-drive double-control motor controller is further connected with the data input end of the power battery.
Optionally, the power battery is arranged above the frame and behind the cab.
Optionally, the power battery is a quick-change power battery.
Optionally, the intermediate drive axle includes two intermediate drive wheels, a main reducer, and an intermediate drive shaft, the intermediate drive shaft is connected with the corresponding intermediate drive wheel, the main reducer is connected with the intermediate drive shaft, the main reducer is further connected with a transmission case, and an internal combustion engine is provided in cooperation with the transmission case.
Optionally, the internal combustion engine employs diesel or gasoline or biodiesel.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the embodiment of the utility model provides a pair of hybrid drive system for heavy-duty car, middle transaxle and the direct mechanical connection of internal-combustion engine, and electric drive system is not direct mechanical connection with traditional internal-combustion engine, and the middle transaxle that has formed heavy-duty car is two rear axles is traditional internal-combustion engine drive mode, and the rear drive axle is the electric drive axle, and the actuating system configuration is the hybrid mode. The utility model discloses contain traditional internal-combustion engine and actuating system, need not to develop new driving system coupling mechanism, can greatly reduced research and development design cost, shorten the experimental verification cycle of whole car.
Drawings
In order to more clearly illustrate the technical solution of the exemplary embodiments of the present invention, the drawings which are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and that for a person skilled in the art, other related drawings can be obtained from these drawings without inventive effort. In the drawings:
fig. 1 is a schematic structural diagram of a hybrid power drive system for a heavy-duty vehicle according to an embodiment of the present invention.
The various components and corresponding references in the drawings are:
1-front wheel, 2-power battery, 3-transmission shaft, 4-main reducer, 5-middle driving wheel, 6-first rear side hub motor, 7-three-phase power line, 8-rear driving double-control motor controller, 9-rear driving, 10-second rear side hub motor, 11-rear axle, 12-middle driving shaft, 13-direct current bus, 14-gearbox, 15-internal combustion engine, 16-frame.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the present invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the invention.
Throughout the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1:
as shown in fig. 1, a hybrid power driving system for a heavy-duty car includes a frame 16, a front wheel 1, a middle driving axle, a rear driving axle, and a power battery 2;
the intermediate drive axle adopts a traditional internal combustion engine driving mode, the traditional internal combustion engine driving adopts a traditional internal combustion engine power driving system coupling mechanism, the intermediate drive axle is still driven by adopting the original method, the electric drive axle adopts an electric driving mode, the internal combustion engine driving and the electric driving are two independent driving systems to respectively work, the traditional internal combustion engine does not work, only the electric driving system works, the two driving systems work simultaneously, or the traditional internal combustion engine working and the electric driving system do not work, and therefore hybrid power driving is achieved.
Unlike a conventional internal combustion engine driven dual rear axle, in this embodiment, the intermediate drive axle is mechanically connected to the internal combustion engine directly, and the electric drive system as a rear drive is not mechanically connected to the conventional internal combustion engine directly, so that a 6 × 4 heavy-duty vehicle is driven in a manner that the intermediate drive axle of the dual rear axle is driven by the conventional internal combustion engine, the rear drive axle is an electric drive axle, and the configuration of the drive system is a hybrid power mode. The research and development cost can be greatly reduced, and the test verification period of the whole vehicle is shortened.
The power battery 2 is connected with the rear electric drive axle to provide power; the front wheel 1, the middle drive axle, the rear drive axle and the power battery 2 are all arranged on the frame 16.
Furthermore, the rear electric drive axle is a rear axle drive bilateral hub motor system, and the configuration can save the arrangement space of the whole vehicle and reduce the weight of the whole vehicle.
Further, the rear electric drive axle comprises two rear drive wheels 9, a rear drive double-control motor controller 8, a first rear side hub motor 6 and a second rear side hub motor 10, the two rear drive wheels 9 are respectively arranged corresponding to the first rear side hub motor 6 and the second rear side hub motor 10, and the hub motors drive the corresponding rear drive wheels 9 to run; the data output end of the power battery 2 is connected with the data input end of the rear-drive double-control motor controller 8 and used for conveying electric energy to the rear-drive double-control motor controller 8, and the data output end of the rear-drive double-control motor controller 8 is respectively connected with the first rear-side hub motor 6 and the second rear-side hub motor 10 and used for controlling the left and right driving hub motors to work. Preferably, the first rear-side hub motor 6, the second rear-side hub motor 10 and the rear-drive dual-control motor controller 8 are connected through a three-phase power line 7; the power battery 2 is connected with the rear-drive double-control motor controller 8 through a direct-current bus 13. The first rear in-wheel motor 6 and the second rear in-wheel motor 10 are connected by a rear axle 11 to bear the load of the vehicle, and maintain the dynamic property, stability, bearing capacity and the like of the vehicle.
Further, the data output end of the rear-drive double-control motor controller 8 is also connected with the data input end of the power battery 2. When the vehicle is in a downhill working condition or a braking working condition, the rear-drive dual-control motor controller 8 can provide certain braking force through the reverse rotation of the first rear-side hub motor 6 and the second rear-side hub motor 10, and can recover energy through the braking force, and the recovered energy is converted into electric energy through the dual-control motor controller 8 and stored in the power battery 2.
Further, the power battery 2 is arranged above the frame 16 and behind the cab, so that the arrangement can occupy less space of the vehicle.
Further, the power battery 2 is a quick-change power battery.
Furthermore, the intermediate drive axle comprises two intermediate drive wheels 5, a main reducer 4 and an intermediate drive shaft 12, wherein the intermediate drive shaft 12 is connected with the corresponding intermediate drive wheel 5, the main reducer 4 is connected with the intermediate drive shaft 12, the main reducer 4 is further connected with a gearbox 14, and an internal combustion engine 15 is arranged in cooperation with the gearbox 14. The internal combustion engine 15 may use diesel or gasoline or biodiesel.
The utility model discloses can realize heavy automobile's normal use operating mode to several kinds of mode have been increased:
1. the pure electric operation mode of the vehicle can be realized, the traditional internal combustion engine does not work, and the rear axle drives the hub motor system to run;
2. the pure fuel mode of the vehicle can be realized, the rear axle drives the hub motor system to stop working, and the middle traditional drive axle works to drive the whole vehicle to run;
3. the hybrid power driving mode of the vehicle can be realized, the internal combustion engine and the rear axle drive the hub motor system to work, and the middle drive axle and the rear drive axle provide driving power for the vehicle together;
4. in the braking energy recovery mode, when the vehicle is in a downhill working condition or a braking working condition, the rear-drive double-control motor controller 8 can provide certain braking force by driving the hub motors to rotate reversely left and right, the braking force can be used for energy recovery, and the recovered energy is converted into electric energy through the double-control motor controller 8 and stored in the power battery 2.
The utility model discloses a driving system design collocation back can join in marriage traditional little horsepower internal-combustion engine, match little moment of torsion tradition gearbox 14, transmission shaft 3, traditional final drive 4, and the drive mode that finally realizes 6X 4 heavy truck is traditional internal-combustion engine drive mode for the middle transaxle of two rear axles, and the rear drive axle is in-wheel motor electric drive axle, and the driving system configuration is the hybrid mode. And if a highly-coupled integrated scheme that an engine is matched with a motor and a gearbox 14 is adopted during development and design, the scheme can generally increase the layout size of a power system and occupy the layout space of the whole vehicle, and the layout size of the hybrid power driving system in the embodiment is not increased and does not occupy the layout space of the whole vehicle.
The utility model discloses a recycle of electric energy can be realized to several kinds of basic mode, improves the availability factor, can realize that current fuel version motorcycle type oil changes the electricity and installs additional, makes it become oil-electricity hybrid, for realizing satisfying after heavy truck development design to be equal to other oil-electricity hybrid heavy truck same mode.
The utility model discloses in, power battery 2, in-wheel motor, the two accuse motor controller of back drive 8 etc. all can adopt the product that has corresponding function on the existing market selling, as long as can realize corresponding function can, do not enumerate here one by one.
The above embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above embodiments are only specific embodiments of the present invention, and are not suitable for limiting the protection scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hybrid power driving system for a heavy-duty automobile comprises a frame (16) and front wheels (1), and is characterized by further comprising a middle driving axle, a rear driving axle and a power battery (2);
the middle drive axle is driven by an internal combustion engine, the rear electric drive axle is driven by an electric drive, the internal combustion engine drive and the electric drive are two independent drive systems, and the power battery (2) is connected with the rear electric drive axle to provide electric energy;
the front wheel (1), the middle driving axle, the rear driving axle and the power battery (2) are all arranged on the frame (16).
2. A hybrid drive system for a heavy-duty vehicle as recited in claim 1, wherein said rear electric drive axle is a rear axle drive double-sided in-wheel motor system.
3. The hybrid power drive system for a heavy-duty vehicle according to claim 2, wherein said rear electric drive axle comprises two rear drive wheels (9), a rear drive dual-control motor controller (8), a first rear-side hub motor (6), and a second rear-side hub motor (10), said two rear drive wheels (9) are respectively disposed corresponding to said first rear-side hub motor (6) and said second rear-side hub motor (10), said data output end of said power battery (2) is connected to said data input end of said rear drive dual-control motor controller (8), and said data output end of said rear drive dual-control motor controller (8) is respectively connected to said first rear-side hub motor (6) and said second rear-side hub motor (10).
4. A hybrid drive system for a heavy-duty car according to claim 3, wherein said first rear-side hub motor (6), said second rear-side hub motor (10) and said rear-drive double-control motor controller (8) are connected by a three-phase power line (7).
5. A hybrid drive system for a heavy vehicle according to claim 3, characterized in that the power battery (2) and the rear drive dual control motor controller (8) are connected by a dc bus (13).
6. A hybrid drive system for a heavy vehicle according to claim 3, wherein the data output of the rear drive dual control motor controller (8) is further connected to the data input of the power battery (2).
7. A hybrid drive system for a heavy vehicle according to claim 3, characterized in that the power battery (2) is arranged above the frame (16) and behind the driver's cab.
8. Hybrid drive system for a heavy vehicle according to claim 1, characterized in that the power battery (2) is a quick-change power battery.
9. A hybrid drive system for a heavy vehicle according to claim 1, characterized in that the intermediate drive axle comprises two intermediate drive wheels (5), a final drive (4), an intermediate drive shaft (12), the intermediate drive shaft (12) being connected to the respective intermediate drive wheel (5), the final drive (4) being connected to the intermediate drive shaft (12), the final drive (4) being further connected to a gearbox (14), an internal combustion engine (15) being provided in cooperation with the gearbox (14).
10. A hybrid drive system for a heavy vehicle according to claim 9, wherein said internal combustion engine is diesel or gasoline or biodiesel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222931550.8U CN218141022U (en) | 2022-11-03 | 2022-11-03 | Hybrid power driving system for heavy-duty automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222931550.8U CN218141022U (en) | 2022-11-03 | 2022-11-03 | Hybrid power driving system for heavy-duty automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218141022U true CN218141022U (en) | 2022-12-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222931550.8U Active CN218141022U (en) | 2022-11-03 | 2022-11-03 | Hybrid power driving system for heavy-duty automobile |
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| Country | Link |
|---|---|
| CN (1) | CN218141022U (en) |
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2022
- 2022-11-03 CN CN202222931550.8U patent/CN218141022U/en active Active
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