CN210149146U

CN210149146U - Hybrid vehicle driving device and vehicle

Info

Publication number: CN210149146U
Application number: CN201920794485.4U
Authority: CN
Inventors: 宋佳茵; 徐德才; 文彦东
Original assignee: FAW Group Corp
Current assignee: FAW Group Corp
Priority date: 2019-05-29
Filing date: 2019-05-29
Publication date: 2020-03-17
Anticipated expiration: 2029-05-29

Abstract

The utility model relates to the field of automotive technology, a thoughtlessly move car drive arrangement and car is disclosed. Wherein, the utility model provides a mix and move car drive arrangement sets up two 48V motor symmetries in the both sides of reduction gear to the motor shaft directly with reduction gear input shaft, makes two 48V motors can be simultaneously to the same big or small power of reduction gear output, also can retrieve the braking energy of reduction gear simultaneously.

Description

Hybrid vehicle driving device and vehicle

Technical Field

The utility model relates to the field of automotive technology, especially, relate to a thoughtlessly move car drive arrangement and car.

Background

In order to reduce carbon dioxide emissions, hybrid vehicles are increasingly being used. In a hybrid vehicle, the structural arrangement of the drive device has a significant influence on the fuel consumption, the energy recovery efficiency and the overall structure of the vehicle. The driving device in the existing hybrid electric vehicle has the disadvantages of poor oil saving effect, low energy recovery rate, complex structure, low integration level and poor working reliability.

Therefore, a new hybrid vehicle driving apparatus is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on the above, a first object of the utility model is to provide a mix and move car drive arrangement, compare with prior art, it is not only better that the effect of economizing on fuel is better, and energy recuperation efficiency is high, and simple structure is compact, and the integrated level is high, and operational reliability is higher moreover.

A second object of the present invention is to provide a vehicle, which can not only significantly reduce the oil consumption and improve the energy recovery efficiency, but also has higher operational reliability and safety by using the above hybrid vehicle driving device.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a hybrid vehicle drive apparatus comprising:

the speed reducer comprises a speed reducer input shaft;

the two 48V motors are symmetrically arranged on two sides of the speed reducer, a motor shaft of one of the 48V motors is directly connected with one end of the input shaft of the speed reducer, and a motor shaft of the other 48V motor is directly connected with the other end of the input shaft of the speed reducer.

Further, the motor further comprises two 48V inverters, and each 48V inverter is correspondingly connected with one 48V motor.

Further, the 48V inverter is disposed on the 48V motor on a side opposite to the motor shaft.

Further, the DC power supply further comprises a 48V DC terminal, and the 48V DC terminal is arranged at the upper part of the 48V inverter.

Further, a clutch mechanism is provided in the speed reducer, the clutch mechanism being configured to effect a clutch between the motor shaft and a wheel.

Further, the speed reducer still includes the speed reducer shell, 48V motor still includes motor housing, the speed reducer shell with motor housing passes through the fastener and connects.

Further, the 48V inverter includes an inverter housing, and the inverter housing and the motor housing are connected by the fastener.

Further, the motor shaft is connected with the input shaft of the speed reducer through a spline.

Further, an internal spline is arranged on the motor shaft, an external spline is arranged on the input shaft of the speed reducer, and the internal spline is matched with the external spline.

An automobile comprising a hybrid automobile drive as described above.

The utility model has the advantages that:

the utility model provides a mix driving automobile drive arrangement sets up two 48V motor symmetries in the both sides of reduction gear to the motor shaft is direct to be connected with the reduction gear input shaft, makes two 48V motors can be simultaneously to the same big or small power of reduction gear output, also can retrieve the braking energy of reduction gear simultaneously, in order to utilize braking energy to generate electricity. Firstly, compared with the common motor, the 48V motor has better oil saving effect, and the oil saving effect can be further improved by matching the two 48V motors; secondly, the two 48V motors can simultaneously recover braking energy, and the energy recovery efficiency is higher; in addition, the two 48V motors are symmetrically arranged on the two sides of the speed reducer, so that the two 48V motors and the speed reducer are integrated into a whole, the structural compactness of the hybrid automobile driving device is obviously improved, the serialization and the planarization are facilitated, and the hybrid automobile driving device is conveniently arranged in an automobile; finally, the working reliability of the whole device can be improved by arranging the two 48V motors, when one 48V motor fails, the other 48V motor can be normally used, and the safety of the automobile is ensured.

The utility model provides a car through using above-mentioned thoughtlessly to move car drive arrangement, not only can show and reduce the oil consumption volume, improves energy recuperation efficiency, and reliability and security are higher moreover.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a hybrid vehicle driving device according to an embodiment of the present invention.

In the figure:

1-a reducer; 11-a reducer input shaft; 12-a reducer housing;

2-48V motor; 21-a motor shaft; 22-a motor housing;

a 3-48V inverter; 31-inverter housing;

4-48V direct current binding post;

5-fastening piece.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only or to distinguish between different structures or components and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the present embodiment provides a hybrid vehicle driving apparatus, which can be applied to a rear-drive hybrid vehicle. Specifically, the hybrid electric vehicle driving device comprises a speed reducer 1 and two 48V motors 2, wherein the two 48V motors 2 are symmetrically arranged on two sides of the speed reducer 1. The speed reducer 1 comprises a speed reducer input shaft 11, wherein a motor shaft 21 of one 48V motor 2 is directly connected with one end of the speed reducer input shaft 11, and a motor shaft 21 of the other 48V motor 2 is directly connected with the other end of the speed reducer input shaft 11.

In the hybrid vehicle driving apparatus provided in this embodiment, the two 48V motors 2 are symmetrically disposed on two sides of the speed reducer 1, and the motor shaft 21 is directly connected to the input shaft 11 of the speed reducer, so that the two 48V motors 2 can simultaneously output power of the same magnitude to the speed reducer 1, and can also simultaneously recover braking energy of the speed reducer 1, so as to generate power by using the braking energy. Firstly, compared with the common motor, the 48V motor 2 has better oil saving effect, and the oil saving effect can be further improved by matching the two 48V motors 2; secondly, the two 48V motors 2 can simultaneously recover braking energy, and the energy recovery efficiency is higher; in addition, the two 48V motors 2 are symmetrically arranged on the two sides of the speed reducer 1, so that the two 48V motors 2 and the speed reducer 1 are integrated into a whole, the structural compactness of the hybrid automobile driving device is obviously improved, the serialization and the platform are more facilitated, and the hybrid automobile driving device is conveniently arranged in an automobile; finally, the working reliability of the whole device can be improved by arranging the two 48V motors 2, and when one 48V motor 2 fails, the other 48V motor 2 can be normally used, so that the safety of the automobile is ensured.

It should be noted that, besides the difference of the outer shell structure, the other internal structure and performance indexes of the two 48V motors 2 are the same. It should be noted that the power transmission directions of the two 48V motors 2 must be the same, that is, the power can be transmitted from the two 48V motors 2 to the reducer 1 at the same time, or from the reducer 1 to the two 48V motors 2 at the same time, but it is not possible to transmit the power from one 48V motor 2 to the reducer 1 and transmit the power from the reducer 1 to the other 48V motor 2.

Further, the hybrid vehicle driving apparatus provided by the embodiment further includes two 48V inverters 3, and each 48V inverter 3 is correspondingly connected to one 48V motor 2. The dc power is converted into ac power by the 48V inverter 3. Specifically, the 48V inverter 3 is provided on the 48V motor 2 on the side opposite to the motor shaft 21. According to the connection mode, on one hand, the two 48V inverters 3 can be symmetrically distributed on two sides of the speed reducer 1, so that the overall structure of the hybrid automobile driving device is more compact, and the installation space is saved; on the other hand, the two 48V inverters 3, the two 48V motors 2, and the reduction gear 1 can be collectively integrated, thereby further improving the degree of integration.

Further, the hybrid vehicle driving apparatus provided in the present embodiment further includes a 48V dc terminal 4, and the 48V dc terminal 4 is disposed at an upper portion of the 48V inverter 3, that is, at a position farthest from the ground. The 48V dc terminal 4 is provided above the 48V inverter 3 to improve the reliability of the operation of the 48V dc terminal 4, since the 48V dc terminal 4 is connected to the 48V inverter 3 and the 48V dc terminal 4 is prevented from short-circuiting when the vehicle is waded.

Preferably, a clutch mechanism is provided in the reducer 1, and the clutch mechanism is configured to realize the clutch between the motor shaft 21 and the wheels. When the automobile exceeds a certain speed, the clutch mechanism in the speed reducer 1 can interrupt the power transmission between the wheels and the 48V motor 2, so that the 48V motor 2 can automatically control the rotating speed, and the damage, the service life reduction or the redundant loss of the 48V motor 2 caused by overhigh rotating speed is prevented. Before the power is reconnected, the rotating speed of the 48V motor 2 is controlled to be the same as that of the reducer 1, and then the motor shaft 21 is connected with the wheels through the clutch mechanism to continue to transmit power. It should be noted that in the present embodiment, the reducer 1 may be an xk.2t 10 type reducer manufactured by precision machinery, ltd, zhe jiang xin, and the operation principle of the clutch mechanism in the reducer 1 will not be described in detail since it belongs to the prior art.

Optionally, the reducer 1 further comprises a reducer casing 12, the 48V motor 2 further comprises a motor casing 22, and the reducer casing 12 is connected with the motor casing 22 through a fastener 5. The fastening piece 5 is used for connecting the reducer shell 12 and the motor shell 22, so that the stability and the reliability of power transmission between the reducer 1 and the 48V motor 2 can be ensured. The fastener 5 may be a bolt or other structural member having a fixing function.

The 48V inverter 3 includes an inverter housing 31, and the inverter housing 31 is connected to the motor housing 22 by a fastener 5. The fastening piece 5 is used for connecting the inverter shell 31 and the motor shell 22, so that the firmness of the connection between the 48V inverter 3 and the 48V motor 2 is ensured.

Alternatively, the motor shaft 21 and the reducer input shaft 11 are connected by a spline. Specifically, the motor shaft 21 is provided with an internal spline, and the reducer input shaft 11 is provided with an external spline, and the internal spline is matched with the external spline. The reliability of the power transmission between the motor shaft 21 and the reducer input shaft 11 can be ensured by the spline connection. In addition, in order to ensure the alignment between the motor shaft 21 and the input shaft 11 of the speed reducer, a positioning pin is used to position the motor shaft 21 and the input shaft 11 of the speed reducer.

The embodiment also provides an automobile comprising the hybrid automobile driving device. The automobile provided by the embodiment can obviously reduce the oil consumption and improve the energy recovery efficiency by applying the hybrid automobile driving device, and the reliability and the safety are higher.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. A hybrid vehicle drive apparatus, comprising:

a reducer (1) comprising a reducer input shaft (11);

the two 48V motors (2) are symmetrically arranged on two sides of the speed reducer (1), a motor shaft (21) of one of the 48V motors (2) is directly connected with one end of the input shaft (11) of the speed reducer, and the other motor shaft (21) of the other 48V motor (2) is directly connected with the other end of the input shaft (11) of the speed reducer.

2. The hybrid vehicle drive device according to claim 1, further comprising two 48V inverters (3), wherein each 48V inverter (3) is connected to one 48V motor (2).

3. The hybrid vehicle drive device according to claim 2, wherein the 48V inverter (3) is provided on the 48V motor (2) on a side opposite to the motor shaft (21).

4. The hybrid vehicle drive device according to claim 2, further comprising a 48V dc terminal (4), wherein the 48V dc terminal (4) is provided at an upper portion of the 48V inverter (3).

5. Hybrid vehicle drive according to claim 1, characterized in that a clutch mechanism is provided in the retarder (1), which clutch mechanism is configured for effecting a clutch between the motor shaft (21) and a wheel.

6. The hybrid vehicle drive device according to claim 2, wherein the retarder (1) further comprises a retarder housing (12), the 48V motor (2) further comprises a motor housing (22), and the retarder housing (12) is connected to the motor housing (22) by a fastener (5).

7. The hybrid vehicle drive device according to claim 6, wherein the 48V inverter (3) includes an inverter housing (31), and the inverter housing (31) is connected to the motor housing (22) by the fastener (5).

8. The hybrid vehicle drive device according to claim 1, wherein the motor shaft (21) and the reducer input shaft (11) are connected by a spline.

9. The hybrid vehicle drive unit according to claim 8, wherein the motor shaft (21) is provided with an internal spline, and the reducer input shaft (11) is provided with an external spline, and the internal spline is engaged with the external spline.

10. A vehicle, characterized by comprising the hybrid vehicle drive device according to any one of claims 1 to 9.