阅读说明：本技术 机动车辆的混合动力传动系及操作混合动力传动系的方法 (Hybrid drive train of a motor vehicle and method for operating a hybrid drive train ) 是由 S·贝克 F·库特尔 M·霍恩 T·马丁 M·韦克斯 J·卡尔滕巴赫 M·布雷默 P· 于 2019-10-15 设计创作，主要内容包括：一种用于机动车辆的混合动力传动系(10),混合动力传动系具有：双离合器组件(14),双离合器组件具有第一离合器和第二离合器(K1,K2),离合器包含共用的、与燃烧发动机(12)可连接的输入构件(EG),其中第一离合器(K1)包含第一输出构件(AG1),并且其中第二离合器(K2)包含第二输出构件(AG2)；变速器组件(16),变速器组件具有第一子变速器(32)和第二子变速器(34),其中第一子变速器(32)的输入轴(24)与第一输出构件(AG1)连接,并且其中第二子变速器(34)的输入轴(26)与第二输出构件(AG2)连接；第三离合器(K3),第三离合器用于将第一子变速器和第二子变速器(32,34)连接；第一电动机器(56),第一电动机器与第一输入轴(24)连接；第二电动机器(60),第二电动机器与第二输入轴(26)连接；以及控制装置(22),控制装置用于操控双离合器组件(14)、变速器组件(16)、第三离合器(K3)以及第一电动机器和第二电动机器(56,60)。(A hybrid powertrain (10) for a motor vehicle, the hybrid powertrain having: a dual clutch assembly (14) having a first and a second clutch (K1, K2), the clutches comprising a common input member (EG) connectable to the combustion engine (12), wherein the first clutch (K1) comprises a first output member (AG1), and wherein the second clutch (K2) comprises a second output member (AG 2); a transmission assembly (16) having a first sub-transmission (32) and a second sub-transmission (34), wherein an input shaft (24) of the first sub-transmission (32) is connected with a first output member (AG1), and wherein an input shaft (26) of the second sub-transmission (34) is connected with a second output member (AG 2); a third clutch (K3) for connecting the first and second sub-transmissions (32, 34); a first electric machine (56) connected to the first input shaft (24); a second electric machine (60) connected to the second input shaft (26); and a control device (22) for operating the dual clutch assembly (14), the transmission assembly (16), the third clutch (K3) and the first and second electric machines (56, 60).)

1. A hybrid powertrain (10) for a motor vehicle, the hybrid powertrain having:

-a dual clutch assembly (14) having a first and a second clutch (K1, K2) comprising a common input member (EG) connectable to a combustion engine (12), wherein the first clutch (K1) comprises a first output member (AG1), and wherein the second clutch (K2) comprises a second output member (AG 2);

-a transmission assembly (16) having a first sub-transmission (32) and a second sub-transmission (34), wherein an input shaft (24) of the first sub-transmission (32) is connected with the first output member (AG1), and wherein an input shaft (26) of the second sub-transmission (34) is connected with the second output member (AG 2);

-a third clutch (K3) for connecting the first and second sub-transmissions (32, 34);

-a first electric machine (56) connected with the first input shaft (24);

-a second electric machine (60) in driving connection with the second input shaft (26); and

-a control device (22) for operating the dual clutch assembly (14), the transmission assembly (16), the third clutch (K3) and the first and second electric machines (56, 60).

2. A hybrid powertrain as claimed in claim 1, wherein the control device (22) is set for setting at least the following driving operating modes:

a purely combustion-engine type of driving operation,

-electric-only driving operation by means of the first electric machine, and

-electric-only driving operation by means of the second electric machine.

3. Hybrid powertrain according to claim 1 or 2, wherein the third clutch (K3) and the shifting clutch (E; C) for shifting the gear set (42; 38 ") of the sub-transmission (32) are accommodated in a shifting clutch group (66; 66").

4. Hybrid drivetrain according to one of claims 1 to 3, wherein the first clutch (K1) of the dual clutch assembly (14) and/or the second clutch (K2) of the dual clutch assembly (14) and/or the third clutch (K3) and/or at least one shifting clutch (A, B, C, D, E) of the transmission assembly (16) are designed as claw clutches.

5. Hybrid powertrain according to one of claims 1 to 4, wherein the first electric machine (56) is connected to the first input shaft (24) by means of a gear gearset (38; 42 ") of the first sub-transmission (32) and/or wherein the second electric machine (60) is connected to the second input shaft (26) by means of a gear gearset (50) of the second sub-transmission (34).

6. Hybrid powertrain according to claim 5, wherein the gear gearset (42 ") of the first sub-transmission (32), by means of which the first electric machine (56) is connected with the first input shaft (24), is assigned to the highest gear stage (5) of the first sub-transmission (32), and/or wherein the gear gearset (50) of the second sub-transmission (34), by means of which the second electric machine (60) is connected with the second input shaft (26), is assigned to the highest gear stage (4) of the second sub-transmission (34).

7. Hybrid powertrain according to claim 5 or 6, wherein the gear gearset (38; 42 ") of the first sub-transmission (32), by means of which the first electric machine (56) is connected with the first input shaft (24), is arranged at a first axial end of the transmission assembly (16), and/or wherein the gear gearset (50) of the second sub-transmission (34), by means of which the second electric machine (60) is connected with the second input shaft (26), is arranged at a second axial end of the transmission assembly (16).

8. Hybrid powertrain according to one of claims 1 to 7, wherein the first sub-transmission (32) is assigned to an odd forward gear stage and has three gear sets (36, 38, 42) assigned to different forward gear stages, and/or wherein the second sub-transmission (34) is assigned to an even forward gear stage and has two or three gear sets (48, 50) assigned to different forward gear stages.

9. Hybrid powertrain according to one of claims 1 to 8, wherein the first electric machine (56) and the second electric machine (60) are structurally identical.

10. A method for operating a hybrid powertrain according to one of claims 1 to 9, the method having the steps of: in a combustion engine or hybrid drive mode, the gear stages (1, 3, 5) of the sub-transmission (32) are used by closing the assigned clutch (K1) of the dual clutch assembly (14), and the gear stages (2, 4) of the other sub-transmission (34) are used by closing the same clutch (K1) and the third clutch (K3).

11. Method according to claim 10, wherein a gear change from the source gear stage of the further sub-transmission (34) to the target gear stage of the sub-transmission (32) is carried out by: the electric machine (60) assigned to the other sub-transmission (34) supports tractive force, then the third clutch (K3) is disengaged, and the electric machine (56) assigned to the sub-transmission (32) facilitates synchronization of the target gear stage.

12. Method according to claim 10, wherein a gear change from a source gear stage of the sub-transmission (32) to a target gear stage of the further sub-transmission (34) is carried out by: in the further sub-transmission (34), the target gear stage is first engaged if necessary and the electric machine (60) assigned to the further sub-transmission (34) ensures the synchronization for this purpose, wherein the electric machine (60) assigned to the further sub-transmission (34) supports tractive force; and then disengaging the source gear stage and closing the third clutch (K3), wherein the electric machine (56) assigned to the sub-transmission (32) contributes to synchronizing the closing of the third clutch (K3).

13. A method for operating a hybrid powertrain according to one of claims 1 to 9, the method having the steps of: in a combustion engine drive mode, the third clutch (K3) is disengaged in a gear step of the sub-transmission (32) in order to decouple the further sub-transmission (34) and the electric machine (60) assigned to the further sub-transmission (34).

14. A method for operating a hybrid powertrain according to one of claims 1 to 9, the method having the steps of: in an electric-only driving mode, the first electric machine (56) is supplied with drive power via the first sub-transmission (32) and the second electric machine (60) is simultaneously supplied with drive power via the second sub-transmission (34), wherein a power shift is carried out by: one of the electric machines maintains the tractive force by the assigned sub-transmission while performing a gear shift in the other sub-transmission.