CN216279223U - Hybrid power system and speed change assembly - Google Patents
Hybrid power system and speed change assembly Download PDFInfo
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- CN216279223U CN216279223U CN202121901933.XU CN202121901933U CN216279223U CN 216279223 U CN216279223 U CN 216279223U CN 202121901933 U CN202121901933 U CN 202121901933U CN 216279223 U CN216279223 U CN 216279223U
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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
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Abstract
The utility model is suitable for the technical field of power drive, and provides a hybrid power system and a speed change assembly, which comprise: an input shaft; the planetary wheel mechanism comprises a power input part, a power output part and a power control part, wherein the power input part is connected with the input shaft, and the power output part is connected with the output shaft; an output shaft; a first motor connected to the power input; an output motor set connected with the output shaft, the output motor set comprising at least one electric motor; the first brake mechanism is arranged on the power input part; the second brake is arranged on the power control part; a second motor connected to the power control unit; the hybrid power system and the speed change assembly provided by the utility model are used for supplementing power when the power is insufficient and simultaneously recovering the power through the electric motor when a vehicle brakes or slides by arranging the electric motor on the input shaft and the output shaft to input the power.
Description
Technical Field
The utility model belongs to the technical field of power drive, and particularly relates to a hybrid power system and a speed change assembly.
Background
The hybrid vehicle is based on a traditional diesel locomotive vehicle and introduces an electric motor, and when the vehicle runs, the power for the vehicle to move forwards is provided by the way that the internal combustion engine, the electric motor or the internal combustion engine and the electric motor work simultaneously.
Hybrid vehicles use different power sources in different operating modes. For example, an electro-mechanical hybrid powertrain system typically has an internal combustion engine, such as a gasoline or diesel engine, and at least one electric motor, a transmission gear set, etc., which are controlled by different combinations of brakes and clutches to enable the hybrid powertrain system to have different operating modes, such as an engine-only operating mode, an electric-only operating mode, and a hybrid operating mode, thereby facilitating improved fuel economy.
The hybrid power system comprises a hybrid power system, a transmission assembly, a transmission mechanism and a transmission mechanism.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hybrid power system and a speed change assembly, and aims to solve the problem that the power of the conventional hybrid power automobile is insufficient in a pure electric mode.
The present invention is achieved as such, a hybrid system including:
an input shaft connected with the engine to receive power;
the planetary wheel mechanism comprises a power input part, a power output part and a power control part, wherein the power input part is connected with the input shaft, and the power output part is connected with the output shaft;
an output shaft connected with the power output part to output power;
the first motor is connected with the power input part and is used for inputting power;
the output motor set is connected with the output shaft and comprises at least one motor for outputting power;
a first clutch mechanism provided on the input shaft for selective engagement to conduct a power transmission path between the input shaft and the power input portion;
a second clutch mechanism for selective engagement to conduct a power transmission path between the power input portion and the power output portion;
a first brake mechanism for selective engagement to brake the power input;
a second brake mechanism for selective engagement to brake the power control portion;
and the second motor is connected with the power control part and is used for inputting power to the power control part.
Preferably, the planetary gear mechanism includes:
a ring gear which is a power input part in the planetary gear mechanism;
the planet gear and the planet carrier where the planet gear is located are power output parts in the planet gear mechanism, and the output shaft is connected to the planet carrier;
the sun gear is a power control part in the planetary gear mechanism, the planet gear is arranged on the outer side of the sun gear and meshed with the sun gear, and the gear ring is arranged on the outer side of the planet gear and meshed with the planet gear.
Preferably, the hybrid system further includes:
and the third clutch mechanism is arranged between the first motor and the power input part and is used for being selectively engaged so as to communicate a power input path between the first motor and the power input part.
Preferably, the hybrid system further includes:
and the fourth clutch mechanism is arranged between each motor in the output motor set and the output shaft and is used for being selectively engaged so as to communicate a power transmission path between the output motor set and the output shaft.
Preferably, the hybrid system further includes:
and a fifth clutch mechanism provided between the output shaft and the power output portion for selective engagement to communicate a power transmission path between the power output portion and the output shaft.
Preferably, the inner side and the planet carrier are provided with the elastic element.
Preferably, said is provided on said inner side and said upper side.
Preferably, the planet carrier and the upper part are provided with the elastic element.
Preferably, the one-way clutch mechanism is adopted.
A transmission assembly including the hybrid system of any one of the above, further comprising:
and the input shaft of the gearbox is connected with the output shaft, so that the power of the power system is transmitted into the gearbox.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the hybrid power system and the speed change assembly provided by the utility model are used for supplementing power when the power is insufficient and simultaneously recovering the power through the electric motor when a vehicle brakes or slides by arranging the electric motor on the input shaft and the output shaft to input the power.
Drawings
FIG. 1 is a schematic block diagram of a first embodiment of a hybrid powertrain system provided by the present invention;
FIG. 2 is a schematic structural diagram of a second embodiment of a hybrid powertrain system provided by the present invention;
FIG. 3 is a schematic structural diagram of a third embodiment of a hybrid powertrain system provided by the present invention;
FIG. 4 is a schematic structural diagram of a fourth embodiment of a hybrid powertrain system provided by the present invention;
FIG. 5 is a schematic structural diagram of a fifth embodiment of a hybrid powertrain provided by the present invention;
FIG. 6 is a schematic structural diagram illustrating a sixth embodiment of a hybrid powertrain system provided by the present invention;
fig. 7 is a schematic structural diagram of a seventh embodiment of a hybrid system provided by the utility model.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
An embodiment of the present invention provides a hybrid system, as shown in fig. 1, including:
an input shaft 1 connected with an engine to receive power;
a planetary gear mechanism including a power input portion, a power output portion, and a power control portion, wherein the power input portion is connected to the input shaft 1, and the power output portion is connected to the output shaft 2;
an output shaft 2 connected to the power output portion to output power;
the first motor 8 is connected with the power input part and is used for inputting power;
an output motor group 13 connected with the output shaft 2, wherein the output motor group 13 comprises at least one motor for outputting power;
a first clutch mechanism 3 provided on the input shaft 1 for selective engagement to conduct a power transmission path between the input shaft 1 and the power input portion;
a second clutch mechanism 4 for selective engagement to conduct a power transmission path between the power input portion and the power output portion;
a first brake mechanism 9 for selective engagement to brake the power input;
a second brake mechanism 11 for selective engagement to brake the power control portion;
the second motor 12 is connected with the power control part and is used for inputting power to the power control part;
when the first clutch mechanism 3, the second clutch mechanism 4, the first brake mechanism 9 and the second brake mechanism 11 are combined in different manners, the power system has different working modes;
in the present embodiment, the input shaft 1 is connected to a power output shaft of an engine, for example, an internal combustion engine of an automobile, the first clutch mechanism 3 is connected between the input shaft 1 and a power input part of the planetary gear mechanism to isolate the input shaft 1 from the power input part, when the first motor 8 operates, a power transmission path between the input shaft 1 and the power input part is disconnected by the first clutch mechanism 3, and the first motor 8 is isolated from the input shaft 1, so as to prevent the power of the first motor 8 from being transmitted to the engine through the input shaft 1 and causing power waste;
in the embodiment, the power input part is the ring gear 5 in the planetary gear mechanism, the second clutch mechanism 4 is connected to the ring gear 5, and when the second clutch mechanism 4 is braked, the ring gear 5 cannot rotate; the power output part is a planetary gear 6 in the planetary gear mechanism, the output shaft 2 is connected to a planet carrier of the planetary gear 6, so that the output shaft 2 is coaxially connected with the planet carrier where the planetary gear 6 is located, and the planet carrier of the planetary gear 6 is used as the power output part of the planetary gear mechanism and used for outputting power to a speed change gear set; when the second clutch mechanism 4 is engaged, the ring gear 5 rotates synchronously with the planet carrier of the planet gear 6, so that the ring gear 5 directly transmits power to the output shaft 2; the power control part is a sun gear 7 in the planetary gear mechanism, and the second brake mechanism 11 can prevent the sun gear 7 from rotating when braking;
the second motor 12 is connected with the sun gear 7, and when the second brake mechanism 11 is released from braking, the second motor 12 can drive the sun gear 7 to rotate when being started, so that power is input into the hybrid power system;
in the planetary wheel mechanism, at least one group of planetary wheels 6 is arranged, the planetary wheels 6 are arranged on the outer side of the sun wheel 7 and are meshed with the sun wheel 7, and the gear ring 5 is arranged on the outer side of the planetary wheels 6 and the sun wheel 7 and is meshed with the planetary wheels 6;
the second clutch mechanism 4, the first brake mechanism 9, and the second brake mechanism 11 are control structures of the planetary gear mechanism, which are engaged in different components to control the planetary gear mechanism such that power is input from at least one of the input shaft 1, the first motor 8, and the output motor group 13 to the output shaft 2;
the output motor set 13 is connected to the output shaft 2, in some examples, the output motor set 13 is connected to the output shaft 2 through a gear or chain connection for providing power to the output shaft 2, so as to increase the power of the vehicle; one motor or a plurality of motors can be arranged in the output motor group 13, each motor is connected with the output shaft 2, and when the plurality of motors work simultaneously, the output power of the output shaft 2 can be increased;
the first brake mechanism 9 comprises a first brake part and a second brake part, the first brake part is a static component, in some examples, the first brake part can be arranged on a transmission shell or a vehicle chassis, the second brake part is a movable component and is fixedly connected with the gear ring 5, when the gear ring 5 rotates, a gap is always formed between the second brake part and the first brake part, when the first brake mechanism 9 brakes, the second brake part is attached to the first brake part, and the first brake part can prevent the second brake part from rotating due to the action of friction force between the first brake part and the second brake part;
the structure and the working mode of the second brake mechanism 11 are the same as those of the first brake mechanism 9, and are not described herein again;
the first clutch mechanism 3 comprises a first clutch part and a second clutch part, the first clutch part and the second clutch part are respectively arranged on the input shaft 1 and the gear ring 5, and when the first clutch mechanism 3 is engaged, the first clutch part and the second clutch part are engaged, so that the first clutch part can drive the second clutch part to rotate, in some examples, the first clutch mechanism 3 is an electromagnetic clutch;
the first clutch mechanism 3, the second clutch mechanism 4, the first brake mechanism 9 and the second brake mechanism 11, when combined in different ways, enable the powertrain to have different operating modes, illustratively, the powertrain has the following operating modes:
pure electric mode:
pure electric starting and low-speed driving modes: when the engine is off, the second brake mechanism 11 is controlled to brake, and the second clutch mechanism 4 and the first brake mechanism 9 are controlled to be in a separated state, at this time, the first motor 8 drives the ring gear 5 to rotate and provides torque to the ring gear 5, and the torque is provided to a planet carrier where the planet gear 6 is located through the planet gear 6 to drive the vehicle to run in a speed reduction mode. In the pure electric starting and low-speed running mode, the transmission path of the power is as follows: the power output by the first motor 8 is transmitted to the output shaft 2 sequentially through the gear ring 5, the planet wheel 6 and a planet carrier where the planet wheel 6 is located; the output motor set 13 selectively outputs power at a constant speed, and when larger power is needed, the power can be output by the output motor set 13 in an auxiliary mode and is used for increasing the power of a vehicle;
pure electric high-speed driving mode: the engine is turned off, the second clutch mechanism 4 is controlled to be engaged, and meanwhile the second clutch mechanism 4 and the second brake mechanism 11 are controlled to be disengaged, at this time, the first motor 8 drives the planet carrier where the planet wheel 6 is located to rotate through the gear ring 5, so that the gear ring 5 can directly drive the output shaft 2 to rotate, the output motor set 13 selectively outputs power at a constant speed, and when large power is needed, the output motor set 13 can assist in outputting power to increase the power of the vehicle;
preferably, in the pure electric mode, the first clutch mechanism 3 is in a disconnected state, and the power provided by the first electric machine 8 is prevented from being output to the engine by the first clutch mechanism 3.
Hybrid drive mode:
controlling the first clutch mechanism 3 to be engaged so that an engine can input power to the planetary gear mechanism through the first clutch mechanism 3, wherein the first brake mechanism 9 is in a disconnected state so that the first clutch mechanism 3 can drive the gear ring 5 to rotate, and when the first clutch mechanism 3 is engaged and the first brake mechanism 9 is disconnected, the working mode of the hybrid power system can be controlled through the states of the second clutch mechanism 4 and the second brake mechanism 11;
for example, when the second clutch mechanism 4 is in the off state and the second brake mechanism 11 is in the braking state, the sun gear 7 cannot rotate, the ring gear 5 drives the planet gears 6 and the planet carrier where the planet gears 6 are located to rotate, and the planet carrier where the planet gears 6 are located can output power through the output shaft 2 when rotating, and at this time, the first motor 8 and the output motor group 13 rotate at a constant speed to assist in outputting power;
a braking energy recovery mode:
when the vehicle slides or a driver steps on a brake pedal to brake, the kinetic energy of the vehicle is reversely dragged through the gear of the speed change gear set to drive the output motor set 13 or the output motor set 13 to serve as a generator to charge a battery;
for example, when the vehicle is coasting or braking, the first brake mechanism 9 is controlled to be engaged, and the second clutch mechanism 4 is controlled to be disengaged, the transmission gear set of the vehicle drives the output shaft 2 to rotate, and the output shaft 2 drives the second motor 12 and the output motor set 13 to rotate, so that the second motor 12 and the output motor set 13 can be used as an engine.
In a further preferred embodiment of the present invention, as shown in fig. 2, a fourth clutch mechanism 14 is disposed between each motor in the output motor set 13 and the output shaft 2 for selective engagement to communicate a power transmission path between the output motor set 13 and the output shaft 2;
in this embodiment, when the electric motor is not required to provide power, the fourth clutch mechanism 14 is disconnected, so that the power transmission path between the output motor set 13 and the output shaft 2 is disconnected, and the output shaft 2 can be prevented from driving the output motor set 13 to rotate, thereby preventing power waste and increasing the load of the engine.
In a further preferred embodiment of the present invention, as shown in fig. 3, a third clutch mechanism 10 is further connected between the first electric machine 8 and the power input portion for selective engagement to communicate the power input path between the first electric machine 8 and the power input portion;
in this embodiment, the third clutch mechanism 10 is disposed between the first motor 8 and the ring gear 5, and when the first motor 8 is not required to provide power, the third clutch mechanism 10 disconnects the first motor 8 from the power input portion, so as to prevent the power of the engine from being diverted to the first motor 8 when the engine drives the ring gear 5 to rotate;
in this embodiment, a fourth clutch mechanism 14 may be further connected between the output motor set 13 and the output shaft 2.
In another embodiment of the present invention, as shown in fig. 4, the second clutch mechanism 4 may be further provided between the ring gear 5 and the sun gear 7, the ring gear 5 and the sun gear 7 rotate synchronously when the second clutch mechanism 4 is engaged, and the first motor 8 and the second motor 12 can simultaneously supply power for increasing power when the second brake mechanism 11 is disengaged.
In another embodiment of the present invention, as shown in fig. 5, the second clutch mechanism 4 may also be disposed on the planet carrier of the planetary gear 6 and the sun gear 7, and in the power recovery mode, the second clutch mechanism 4 is engaged, and the planet carrier of the planetary gear 6 and the sun gear 7 rotate synchronously, so that the output shaft 2 can drive the second electric machine 12 to rotate, and thus the second electric machine 12 can be used as a generator.
In another embodiment of the present invention, as shown in fig. 6, a fifth clutch mechanism 15 is further connected between the output shaft 2 and the power output portion for selective engagement to communicate the power transmission path between the power output portion and the output shaft 2;
in this embodiment, when the output motor group 13 is required to output power or in the power recovery mode, the fifth clutch mechanism 15 is in the off mode, so that power transmission to the planetary gear mechanism can be prevented, friction of components in the planetary gear mechanism can be reduced, and the service life of the planetary gear mechanism can be prolonged.
In another embodiment of the present invention, as shown in fig. 7, the first clutch mechanism 3 may be a one-way brake mechanism.
The utility model also discloses a speed change assembly, which comprises the power system of any one of the embodiments, and further comprises:
and the input shaft of the gearbox is connected with the output shaft 2, so that the power of the power system is transmitted into the gearbox.
In summary, the present invention provides a hybrid system and a transmission assembly, including:
an embodiment of the present invention provides a hybrid system, as shown in fig. 1, including:
an input shaft 1 connected with an engine to receive power;
a planetary gear mechanism including a power input portion, a power output portion, and a power control portion, wherein the power input portion is connected to the input shaft 1, and the power output portion is connected to the output shaft 2;
an output shaft 2 connected to the power output portion to output power;
the first motor 8 is connected with the power input part and is used for inputting power;
an output motor group 13 connected with the output shaft 2, wherein the output motor group 13 comprises at least one motor for outputting power;
a first clutch mechanism 3 provided on the input shaft 1 for selective engagement to conduct a power transmission path between the input shaft 1 and the power input portion;
a second clutch mechanism 4 for selective engagement to conduct a power transmission path between the power input portion and the power output portion;
a first brake mechanism 9 for selective engagement to brake the power input;
a second brake mechanism 11 for selective engagement to brake the power control portion;
the second motor 12 is connected with the power control part and is used for inputting power to the power control part;
when the first clutch mechanism 3, the second clutch mechanism 4, the first brake mechanism 9 and the second brake mechanism 11 are combined in different manners, the power system has different working modes;
the hybrid system provided by the utility model is used for supplementing power when the power is insufficient by arranging the electric motors on the input shaft 1 and the output shaft 2 to input power, and meanwhile, the power can be recovered through the electric motors when the vehicle brakes or slides.
It should be noted that, for simplicity of description, the above-mentioned embodiments are described as a series of acts, but those skilled in the art will recognize that the present invention is not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the utility model. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the utility model.
In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The above examples are only used to illustrate the technical solution of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. A hybrid powertrain system, comprising:
an input shaft connected with the engine to receive power;
the planetary wheel mechanism comprises a power input part, a power output part and a power control part, wherein the power input part is connected with the input shaft, and the power output part is connected with the output shaft;
an output shaft connected with the power output part to output power;
the first motor is connected with the power input part and is used for inputting power;
the output motor set is connected with the output shaft and comprises at least one motor for outputting power;
a first clutch mechanism provided on the input shaft for selective engagement to conduct a power transmission path between the input shaft and the power input portion;
a second clutch mechanism for selective engagement to conduct a power transmission path between the power input portion and the power output portion;
a first brake mechanism for selective engagement to brake the power input;
a second brake mechanism for selective engagement to brake the power control portion;
and the second motor is connected with the power control part and is used for inputting power to the power control part.
2. A hybrid system according to claim 1, wherein the planetary gear mechanism includes:
a ring gear which is a power input part in the planetary gear mechanism;
the planet gear and the planet carrier where the planet gear is located are power output parts in the planet gear mechanism, and the output shaft is connected to the planet carrier;
the sun gear is a power control part in the planetary gear mechanism, the planet gear is arranged on the outer side of the sun gear and meshed with the sun gear, and the gear ring is arranged on the outer side of the planet gear and meshed with the planet gear.
3. A hybrid system according to claim 2, wherein the hybrid system further comprises:
and the third clutch mechanism is arranged between the first motor and the power input part and is used for being selectively engaged so as to communicate a power input path between the first motor and the power input part.
4. A hybrid system according to claim 2, wherein the hybrid system further comprises:
and the fourth clutch mechanism is arranged between each motor in the output motor set and the output shaft and is used for being selectively engaged so as to communicate a power transmission path between the output motor set and the output shaft.
5. A hybrid system according to claim 2, wherein the hybrid system further comprises:
and a fifth clutch mechanism provided between the output shaft and the power output portion for selective engagement to communicate a power transmission path between the power output portion and the output shaft.
6. A hybrid system according to any one of claims 2 to 5, wherein said inner side and said planet carrier are provided.
7. A hybrid system according to any one of claims 2 to 5, wherein said inner side and said upper side are provided.
8. A hybrid system according to any one of claims 2 to 5, wherein said planet carrier and said upper portion are provided.
9. A hybrid system according to any one of claims 1 to 5, wherein said one-way clutch mechanism.
10. A transmission assembly comprising the hybrid system of any one of claims 1-9, and further comprising:
and the input shaft of the gearbox is connected with the output shaft, so that the power of the power system is transmitted into the gearbox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121901933.XU CN216279223U (en) | 2021-08-14 | 2021-08-14 | Hybrid power system and speed change assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121901933.XU CN216279223U (en) | 2021-08-14 | 2021-08-14 | Hybrid power system and speed change assembly |
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| Publication Number | Publication Date |
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| CN216279223U true CN216279223U (en) | 2022-04-12 |
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| CN202121901933.XU Active CN216279223U (en) | 2021-08-14 | 2021-08-14 | Hybrid power system and speed change assembly |
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- 2021-08-14 CN CN202121901933.XU patent/CN216279223U/en active Active
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