CN218519529U - Multi-shaft driving hybrid power system and vehicle - Google Patents
Multi-shaft driving hybrid power system and vehicle Download PDFInfo
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- CN218519529U CN218519529U CN202222113777.1U CN202222113777U CN218519529U CN 218519529 U CN218519529 U CN 218519529U CN 202222113777 U CN202222113777 U CN 202222113777U CN 218519529 U CN218519529 U CN 218519529U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Abstract
The utility model discloses a multi-shaft driving hybrid power system, which comprises a mechanical driving unit, an electric driving unit, a two-in-one motor control unit, a main control unit, an engine control unit and a power battery pack, wherein the two-in-one motor control unit is connected with the electric driving unit, and the engine control unit is connected with the mechanical driving unit; the main control unit is respectively and electrically connected with the two-in-one motor control unit, the engine control unit and the power battery pack. The utility model provides a multiaxis drive hybrid power system and vehicle, the mechanical drive unit is based on present traditional fuel power technique and big moment of torsion spare part platform realization, new forms of energy power electric drive unit can drive simultaneously also can independent short distance electricelectric drive with transmission fuel power mechanical drive unit, be applicable to multiaxis heavy load vehicle especially multiaxis engineering vehicle, can provide bigger driving force, compromise good fuel economy, the feature of environmental protection, high reliability and module expansibility simultaneously.
Description
Technical Field
The utility model relates to a hybrid technical field especially discloses a multiaxis drive hybrid power system and vehicle.
Background
In the subdivision field of heavy trucks which are insensitive to mileage, such as dump trucks and sanitation trucks, the pure electric heavy truck is excellent and more popular by virtue of better economy and environmental protection compared with the traditional fuel oil truck; in the field of heavy truck logistics with large bearing capacity and long-distance driving, a plurality of manufacturers release fuel-electric hybrid heavy trucks, and the defect of insufficient pure electric mileage is overcome while the efficiency of fuel is improved by adopting a parallel hybrid technology. However, in the field of multi-shaft heavy-load engineering vehicles, the endurance mileage problem faced by the pure electric technology cannot be more naturally broken in a short period, and the hybrid power technology is limited by the current motor and the transmission and is difficult to realize high power and high torque, so that the application and popularization of the new energy power technology on the engineering vehicles are severely restricted.
Patent document CN201310581600.7 discloses a multi-axle wheeled vehicle hybrid electric drive system, as shown in fig. 1, in which a drive is composed of a mechanical drive section and an electric drive section. In the mechanical driving section: the engine 1 and the gearbox 3 are longitudinally arranged, and an elastic coupling 2 is arranged between the engine 1 and the gearbox 3; the rear part of the gearbox 3 is connected with a transfer case 4, the transfer case is used for distributing power, and the power is distributed to the shaft through a drive axle; in the electric drive section: the wheel driving motor 8 and the two-gear gearbox 7 are combined to drive a shaft, the wheel driving motor 8 is connected to an electric energy management system 21, and the electric energy management system 21 is respectively connected with a power battery pack 22 and the gearbox 3. The driving structure can be simplified, the problem of difficult arrangement is solved, but the problem of insufficient dynamic performance is not perfectly solved, and the hybrid transmission is mainly influenced by a hybrid core technology, the conventional large-torque multi-gear hybrid transmission needs special development, the technology is immature, the development cost is high, the driving capability of a mechanical driving section is limited, and particularly the starting and accelerating performance is poor when an electric driving section fails, and the power of the whole vehicle is insufficient; the hybrid transmission only provides medium-speed and high-speed full-power torques, and low-speed large torques and climbing torques are provided by an electric driving section or are provided in parallel. The other disadvantage is that the control method of controlling all the wheel-side motors by using one main controller causes the expansibility of the electric drive section to be weak, the drive mode of the electric drive axle is fundamentally changed when one electric drive axle is added, and the corresponding control strategy and program need to be changed accordingly.
Therefore, the above-mentioned drawbacks of the hybrid electric drive system of the existing axle-wheel vehicle are the technical problems to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model provides a multiaxis drive hybrid power system and vehicle aims at solving the above-mentioned defect that current arbor wheel formula vehicle hybrid electric drive system exists.
According to one aspect of the utility model, relate to a multiaxis drive hybrid system, including mechanical drive unit, electric drive unit, two-in-one motor control unit, main control unit, engine control unit and power battery package, two-in-one motor control unit is connected with electric drive unit, engine control unit is connected with mechanical drive unit; the main control unit is respectively and electrically connected with the mechanical driving unit, the two-in-one motor control unit, the engine control unit and the power battery pack.
Furthermore, the electric drive unit comprises an electric drive axle and wheels, a drive motor is arranged on the electric drive axle and connected with the wheels through a transmission shaft, and the two-in-one motor control unit is electrically connected with the drive motor.
Further, the electric drive bridge includes first electric drive bridge and second electric drive bridge, two unification motor control units include first two unification motor control unit and second two unification motor control unit, be equipped with first driving motor and second driving motor on the first electric drive bridge, be equipped with third driving motor and fourth driving motor on the second electric drive bridge, first two unification motor control unit is connected with first driving motor and second driving motor electricity respectively, second two unification motor control unit is connected with third driving motor and fourth driving motor electricity respectively.
Furthermore, the mechanical driving unit comprises a power assembly, the power assembly comprises an engine, a clutch and a transmission, the transmission is connected with the engine through the clutch, and the engine control unit is electrically connected with the engine.
Further, the mechanical driving unit comprises a generator, a clutch transmission and a transfer case, the transfer case is connected with the generator through the clutch transmission, and the main control unit is electrically connected with the generator.
Furthermore, a mechanical drive axle is arranged on the mechanical drive unit, and the transfer case is connected with the mechanical drive axle through a transmission shaft.
Furthermore, the mechanical drive axle comprises a first mechanical drive axle, a second mechanical drive axle and a third mechanical drive axle, and the transfer case is respectively connected with the first mechanical drive axle, the second mechanical drive axle and the third mechanical drive axle through the transmission shaft.
Further, the clutch transmission and the transfer case are designed in an integrated mode, or the clutch transmission and the generator are designed in an integrated mode.
Furthermore, the first two-in-one motor control unit and the first electric drive bridge form a first electric drive module, and the second two-in-one motor control unit and the second electric drive bridge form a second electric drive module.
According to the utility model discloses an aspect still provides a multiaxis drive hybrid vehicle, include the vehicle body and locate the multiaxis drive hybrid system on the vehicle body.
The utility model discloses the beneficial effect who gains does:
the utility model provides a multi-shaft driving hybrid power system and a vehicle, which adopts a mechanical driving unit, an electric driving unit, a two-in-one motor control unit, a main control unit, an engine control unit and a power battery pack, wherein the two-in-one motor control unit is connected with the electric driving unit, and the engine control unit is connected with the mechanical driving unit; the main control unit is respectively electrically connected with the mechanical driving unit, the two-in-one motor control unit, the engine control unit and the power battery pack, the driving coupling of the electric driving unit and the mechanical driving unit is realized through the main control unit, and the power battery pack is charged and controlled by electric energy generated by the mechanical driving unit. The utility model provides a multi-axis drive hybrid power system and vehicle, mechanical drive unit realize based on present traditional fuel power technology and big moment of torsion spare part platform, new forms of energy power electric drive unit can with transmission fuel power mechanical drive unit, the pure electric drive of short distance also can be alone driven simultaneously, be applicable to multiaxis heavy load vehicle especially multiaxis engineering vehicle, can provide bigger driving force, compromise good fuel economy, the feature of environmental protection, high reliability and module expansibility simultaneously.
Drawings
FIG. 1 is a schematic layout of an embodiment of a hybrid electric drive system for a multi-axle wheeled vehicle;
FIG. 2 is a functional block diagram of a unified embodiment of a multi-shaft drive hybrid powertrain provided by the present invention;
fig. 3 is a schematic layout diagram of an embodiment of a multi-shaft drive hybrid powertrain system provided by the present invention.
The reference numbers indicate:
10. a mechanical drive unit; 20. an electric drive unit; 30. a two-in-one motor control unit; 40. a main control unit; 50. an engine control unit; 60. a power battery pack; 21. an electric drive axle; 22. a drive motor; 211. a first electric drive axle; 212. a second electric drive axle; 31. a first two-in-one motor control unit; 32. a second two-in-one motor control unit; 221. a first drive motor; 222. a second drive motor; 223. a third drive motor; 224. a fourth drive motor; 11. a power assembly; 111. an engine; 112. a clutch; 113. a transmission; 12. a generator; 13. a clutch transmission; 14. a transfer case; 15. a mechanical drive axle; 151. a first mechanical drive axle; 152. a second mechanical drive axle; 153. and a third mechanical drive axle.
Detailed Description
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
As shown in fig. 2, an embodiment of the present invention provides a multi-axis driving hybrid power system, which includes a mechanical driving unit 10, an electric driving unit 20, a two-in-one motor control unit 30, a main control unit 40, an engine control unit 50 and a power battery pack 60, wherein the two-in-one motor control unit 30 is connected to the electric driving unit 20, and the engine control unit 50 is connected to the mechanical driving unit 10; the main control unit 40 is electrically connected to the mechanical driving unit 10, the two-in-one motor control unit 30, the engine control unit 50, and the power battery pack 60, respectively, and is configured to realize driving coupling between the electric driving unit 20 and the mechanical driving unit 10, and to perform charging control on the power battery pack 60 by using electric energy generated by the mechanical driving unit 10. In the embodiment, the mechanical driving unit can adopt the mature fuel power technology existing in the industry at present, and the power output is formed by a high-power engine, a clutch and a high-torque transmission. The electric drive unit 20 employs a distributed new energy electric drive technology.
The multi-shaft driving hybrid power system provided by the embodiment adopts a hybrid power technology, utilizes the existing traditional power technology and a component platform, and combines a new energy power technology, so that the fuel efficiency can be improved, the energy is saved, the emission is reduced, the mileage is considered, the high-power, large-torque and high-reliability output can be realized, and the multi-shaft driving hybrid power system has important significance for multi-shaft heavy-load vehicles.
In the above structure, please refer to fig. 2 and 3, in the multi-shaft driving hybrid system provided in this embodiment, the electric driving unit 20 includes an electric driving axle 21 and wheels, a driving motor 22 is disposed on the electric driving axle 21, the driving motor 22 is connected with the wheels through a transmission shaft, and the two-in-one motor control unit 30 is electrically connected with the driving motor 22. Specifically, the electric drive bridge 21 includes a first electric drive bridge 211 and a second electric drive bridge 212, the two-in-one motor control unit 30 includes a first two-in-one motor control unit 31 and a second two-in-one motor control unit 32, the first electric drive bridge 211 is provided with a first drive motor 221 and a second drive motor 222, the second electric drive bridge 212 is provided with a third drive motor 223 and a fourth drive motor 224, the first two-in-one motor control unit 31 is electrically connected with the first drive motor 221 and the second drive motor 222, and the second two-in-one motor control unit 32 is electrically connected with the third drive motor 223 and the fourth drive motor 224. In the present embodiment, the first two-in-one motor control unit 31 and the first electric drive bridge 211 constitute a first electric drive module, and the second two-in-one motor control unit 32 and the second electric drive bridge 212 constitute a second electric drive module. The power battery pack 60 is connected with the two-in-one motor control unit 30 through the main control unit 40, and then connected with the driving motors on the electric drive axles 21 through the two-in-one motor control unit 30, and the driving motors are connected with the wheels through the transmission shafts, so that distributed driving of the wheels is realized. In the multi-axle driving hybrid power system provided by the embodiment, the main control unit 40 controls two driving motors on the electric drive axle 21 through the two-in-one motor control unit 30, the two-in-one motor control unit 30 and the electric drive axle 21 form an electric drive module, and the electric drive unit with more axles can be realized by adding the electric drive module; the electric drive unit 20 adopts a modularized distributed new energy electric drive technology, and has no transmission components such as a transmission, a transmission shaft, a drive axle and the like, and has a simple structure, convenient arrangement, light weight and good expansibility.
Preferably, referring to fig. 2 and 3, in the multi-shaft drive hybrid power system provided by the present embodiment, the mechanical drive unit 10 includes a powertrain 11, the powertrain 11 includes an engine 111, a clutch 112 and a transmission 113, the transmission 113 is connected with the engine 111 through the clutch 112, and the engine control unit 50 is electrically connected with the engine 111. In the present embodiment, the engine 111 is a high-power engine, and the transmission 113 is a high-torque transmission. In the multi-shaft driving hybrid power system provided by the embodiment, the mechanical driving unit 10 adopts the existing fuel power technology and large-torque part platform in the industry at present, the technology is mature and complete, and the large-torque driving can be realized without the restriction of a hybrid transmission.
Further, referring to fig. 2 and 3, the multi-shaft drive hybrid system provided by the present embodiment includes a mechanical drive unit 10 including a generator 12, a clutch transmission 13 and a transfer case 14, wherein the transfer case 14 is connected with the generator 12 through the clutch transmission 13, and a main control unit 40 is electrically connected with the generator 12. The mechanical drive unit 10 is provided with a mechanical drive axle 15, and the transfer case 14 is connected with the mechanical drive axle 15 through a transmission shaft. Specifically, the mechanical drive axle 15 includes a first mechanical drive axle 151, a second mechanical drive axle 152, and a third mechanical drive axle 153, and the transfer case 14 is connected to the first mechanical drive axle 151, the second mechanical drive axle 152, and the third mechanical drive axle 153 through a transmission shaft, respectively. In the multi-shaft driving hybrid power system provided by the embodiment, the combined mode of the mechanical driving unit 10 and the electric driving unit 20 can conveniently realize full-bridge driving to provide abundant driving force for a vehicle, and can also respectively and independently drive to provide high-reliability redundant power for vehicle running; outputting a power source at a transfer case of the mechanical driving unit 10 to drive the generator 12 to generate electricity and supplement energy to the power battery pack 60; it is further added that it is also possible to output the power source at the transmission of the mechanical drive unit 10, with preference being given to output the power source at the transmission. The generator 12 also has an electric function and can provide a power source power take-off port for the vehicle according to requirements.
Preferably, the clutch transmission 13 is designed in one piece with the transfer case 14 or the clutch transmission 13 is designed in one piece with the generator 12. The clutch transmission 13 has a clutch function and a speed change function, and the clutch transmission 13 and the transfer case 14 may be designed integrally or the clutch transmission 13 and the generator 12 may be designed integrally. In the multi-shaft drive hybrid power system provided by the embodiment, the clutch transmission 13 connected with the transfer case 14 has a clutch function and a speed change function, so that the connection and disconnection of the mechanical drive unit 10 and the electric drive unit 20 can be conveniently realized, and the output rotating speed can be increased through the speed change function to enable the generator to be in a high-efficiency range. Preferably, the speed change function of the clutch transmission 13 is a speed increase function, and the speed ratio range is 0.2 to 1.
According to the utility model discloses an aspect still provides a multiaxis drive hybrid vehicle, including the vehicle body and locate the multiaxis drive hybrid power system on the vehicle body, no longer give unnecessary details here.
As shown in fig. 2 and fig. 3, the multi-shaft drive hybrid power system and the vehicle provided by the embodiment have the working principles that:
the multi-shaft driving hybrid power system consists of a mechanical driving unit 10 and an electric driving unit 20, wherein the mechanical driving unit 10 and the electric driving unit 20 can drive a vehicle independently or can drive the vehicle jointly and cooperatively. The mechanical drive unit 10 and the electric drive unit 20 have the following operation modes:
the working modes comprise a mechanical driving mode, a hybrid driving mode and a pure electric driving mode.
The first working mode is a mechanical driving mode, in the mechanical driving mode, the main control unit 40 controls the engine control unit 50 to act, the engine control unit 50 drives the mechanical driving unit 10 to mechanically drive the vehicle, specifically, the engine control unit 50 drives the engine 111 to rotate, the synchronous belt clutch 12, the transmission 113 and the transfer case 14 act, the transfer case 14 is connected with a transmission shaft to realize front and rear transfer transmission of power, and the transmission shaft is connected with each driving axle to realize multi-axle driving; meanwhile, the transfer case 14 is connected with the clutch transmission 13 through a transmission shaft, and the clutch transmission 13 is connected with the engine 111 through the transmission shaft, so that the function that the mechanical driving unit 10 drives the generator 12 to charge the power battery pack 60 is realized. In the mechanical driving mode, only the mechanical driving unit 10 is driven, and the electric transaxle 21 is in the follow-up assist state as in the conventional fuel driving technology.
The second working mode is a hybrid driving mode, in the hybrid driving mode, the main control unit 40 controls the engine control unit 50 and the two-in-one motor control unit 30 to act, the mechanical drive unit 10 and the electric drive unit 20 are simultaneously driven by the engine control unit 50 and the two-in-one motor control unit 30, the two-in-one motor control unit 30 drives the drive motors on the electric drive axles 21 to rotate, and the drive motors are connected with the wheels through transmission shafts, so that distributed driving of the wheels is realized; the drive coupling of the electric drive unit 20 to the mechanical drive unit 10 is realized by the main control unit 20.
The third working mode is a pure electric driving mode, and under the pure electric driving mode, the main control unit 40 controls the two-in-one motor control unit 30 to act, the two-in-one motor control unit 30 drives the driving motor on each electric drive axle 21 to rotate, and the driving motor is connected with the wheels through the transmission shaft, so that distributed driving of each wheel is realized. And only the electric drive unit drives in the pure electric drive mode, and the mechanical drive axle 15 is in a follow-up state at the moment, so that the pure electric drive in a short distance is realized.
Compared with the prior art, the multi-shaft driving hybrid power system and the vehicle provided by the embodiment adopt a mechanical driving unit, an electric driving unit, a two-in-one motor control unit, a main control unit, an engine control unit and a power battery pack, wherein the two-in-one motor control unit is connected with the electric driving unit, and the engine control unit is connected with the mechanical driving unit; the main control unit is respectively electrically connected with the mechanical driving unit, the two-in-one motor control unit, the engine control unit and the power battery pack, the driving coupling of the electric driving unit and the mechanical driving unit is realized through the main control unit, and the power battery pack is charged and controlled by electric energy generated by the mechanical driving unit. According to the multi-axis drive hybrid power system and the vehicle, the mechanical drive unit is realized based on the current traditional fuel power technology and a large-torque part platform, the new energy power electric drive unit can be used for driving the fuel power mechanical drive unit, and simultaneously, the new energy power electric drive unit can also be used for single short-distance pure electric drive, so that the multi-axis drive hybrid power system and the vehicle are suitable for multi-axis heavy-duty vehicles, particularly multi-axis engineering vehicles, can provide larger drive capability, and simultaneously give consideration to good fuel economy, environmental protection, high reliability and module expansibility.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention. It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. A multi-shaft driving hybrid power system is characterized by comprising a mechanical driving unit (10), an electric driving unit (20), a two-in-one motor control unit (30), a main control unit (40), an engine control unit (50) and a power battery pack (60), wherein the two-in-one motor control unit (30) is connected with the electric driving unit (20), and the engine control unit (50) is connected with the mechanical driving unit (10); the main control unit (40) is electrically connected with the mechanical drive unit (10), the two-in-one motor control unit (30), the engine control unit (50) and the power battery pack (60) respectively.
2. Multi-axle drive hybrid system according to claim 1, wherein said electric drive unit (20) comprises an electric drive axle (21) and wheels, said electric drive axle (21) having a drive motor (22) thereon, said drive motor (22) being connected to the wheels by a drive shaft, said two-in-one motor control unit (30) being electrically connected to said drive motor (22).
3. The multi-axle drive hybrid system according to claim 2, wherein the electric drive axle (21) includes a first electric drive axle (211) and a second electric drive axle (212), the two-in-one motor control unit (30) includes a first two-in-one motor control unit (31) and a second two-in-one motor control unit (32), a first drive motor (221) and a second drive motor (222) are provided on the first electric drive axle (211), a third drive motor (223) and a fourth drive motor (224) are provided on the second electric drive axle (212), the first two-in-one motor control unit (31) is electrically connected with the first drive motor (221) and the second drive motor (222), respectively, and the second two-in-one motor control unit (32) is electrically connected with the third drive motor (223) and the fourth drive motor (224), respectively.
4. The multi-shaft drive hybrid system according to claim 1, wherein the mechanical drive unit (10) includes a powertrain (11), the powertrain (11) includes an engine (111), a clutch (112), and a transmission (113), the transmission (113) is connected with the engine (111) through the clutch (112), and the engine control unit (50) is electrically connected with the engine (111).
5. Multi-shaft drive hybrid system according to claim 4, characterized in that the mechanical drive unit (10) comprises a generator (12), a clutch transmission (13) and a transfer case (14), the transfer case (14) being connected with the generator (12) through the clutch transmission (13), the main control unit (40) being electrically connected with the generator (12).
6. Multi-shaft drive hybrid system according to claim 5, characterized in that a mechanical drive axle (15) is provided on the mechanical drive unit (10), the transfer case (14) being connected with the mechanical drive axle (15) by means of a propeller shaft.
7. The multi-axle drive hybrid system according to claim 6, characterized in that the mechanical drive axle (15) comprises a first mechanical drive axle (151), a second mechanical drive axle (152) and a third mechanical drive axle (153), and the transfer case (14) is connected with the first mechanical drive axle (151), the second mechanical drive axle (152) and the third mechanical drive axle (153) through a propeller shaft, respectively.
8. Multi-shaft-drive hybrid powertrain according to claim 5, characterised in that the clutch transmission (13) is of one-piece design with the transfer gear (14) or the clutch transmission (13) is of one-piece design with the generator (12); the speed ratio range of the clutch transmission (13) is 0.2-1.
9. The multi-shaft drive hybrid system according to claim 3, characterized in that the first two-in-one motor control unit (31) and the first electric drive axle (211) constitute a first electric drive module, and the second two-in-one motor control unit (32) and the second electric drive axle (212) constitute a second electric drive module.
10. A multi-shaft-drive hybrid vehicle characterized by comprising a vehicle body and the multi-shaft-drive hybrid system according to any one of claims 1 to 9 provided on the vehicle body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222113777.1U CN218519529U (en) | 2022-08-09 | 2022-08-09 | Multi-shaft driving hybrid power system and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222113777.1U CN218519529U (en) | 2022-08-09 | 2022-08-09 | Multi-shaft driving hybrid power system and vehicle |
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| CN218519529U true CN218519529U (en) | 2023-02-24 |
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| CN202222113777.1U Active CN218519529U (en) | 2022-08-09 | 2022-08-09 | Multi-shaft driving hybrid power system and vehicle |
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