CN112026542A - Integrated range-extending power driving module based on structural optimization and installation method thereof - Google Patents

Abstract

The invention discloses an integrated range-extended power drive module based on structural optimization and an installation method thereof. The drive module includes an engine module, an integrated power module and a transmission system module; the integrated power module includes a generator, an electric motor and a transmission; The installation method includes installing a generator, installing an electric motor, installing a transmission, and fixing the integrated range-extending power drive module to the engine as a whole; it can satisfy two-speed transmission, reduce transmission power loss, improve space utilization, facilitate inspection and maintenance, and optimize The force-bearing structure saves the available space and satisfies the force-bearing stability of the overall structure.

Description

An integrated range-extended power drive module based on structural optimization and its installation method

technical field

The invention relates to the technical field of automobiles, in particular to an integrated range-extended power drive module based on structural optimization and an installation method thereof.

Background technique

For now, extended-range electric vehicles can solve the public's range anxiety; instead of charging the battery to power, they can be driven on fuel, and can be lower in fuel consumption than plug-in hybrid models, especially in the logistics vehicle. In the future, with the popularization of clean energy and centralized logistics stations, the prospect of Zengcheng-type electric vehicles will be even wider. car. The existing light trucks with extended-range power structure are not equipped with highly integrated power modules, which leads to poor space utilization, increased construction and maintenance costs, bloated vehicle structure, and no aesthetic experience. Customers are prone to aesthetic products. Fatigue, at the same time increase the curb weight and increase the operating cost, and it is impossible to explore the advantages of the extended program in a deeper level.

SUMMARY OF THE INVENTION

The present invention proposes an integrated range-extended power drive module based on structural optimization and an installation method thereof, which highly integrates the power module with low space utilization and poor economy, and improves the existing technology that does not have a high degree of integration. This leads to poor space utilization, increased construction and maintenance costs, bloated vehicle structure, and no aesthetic experience. Customers are prone to aesthetic fatigue of the product, and at the same time increase curb weight, increase operating costs, and cannot dig deeper and extend the program. Advantages and disadvantages.

One aspect of the present invention provides an integrated range-extended power drive module based on structural optimization, comprising an engine module (1), an integrated power module (2) and a transmission system module (3); the integrated power module (2) includes a generator (201), electric motor (202) and transmission (203).

It is preferred in the above scheme that the generator (201), the electric motor (202) and the transmission (203) are installed in the housing (204).

Another aspect of the present invention provides a method for installing an integrated range-extended power drive module based on structural optimization according to an aspect of the present invention, comprising the following steps:

The first step, install the generator (201): install the generator (201) in the casing (204);

The second step, install the motor (202): install the motor (202) in the housing (204);

The third step is to install the transmission (203): the transmission (203) is installed at the rear end of the casing (204) to form an integrated range extension power drive module;

The fourth step is to connect the integrated range extended power drive module with the engine of the engine module (1).

In the above solution, preferably, in the first step, when the generator (201) is installed in the casing (204), the power input end of the generator (201) is directed toward the engine.

It may also be preferred that, in the first step, the generator (201) and the power battery are connected through a DC bus.

It may also be preferred that, in the first step, the generator is controlled by setting the GCU (201).

It may also be preferred that, in the first step, the VCU uniformly allocates the work of the generator (201) and the power battery.

It may also be preferable that, in the second step, the power output end of the electric motor (202) faces the transmission (203), and the electric motor (202) is mechanically connected to the transmission (203); the generator (201) and the electric motor (202) are centralized within the housing (204).

It may also be preferred that, in the second step, the motor (202) is controlled by setting the MCU.

It may also be preferable that, in the second step, the VCU uniformly allocates the work of the electric motor (202) and the power battery.

The integrated range-extended power drive module and its installation method based on structural optimization of the present invention can achieve the following beneficial effects:

The integrated range-extended power drive module and its installation method based on structural optimization of the present invention are highly integrated for power modules with low space utilization and poor economy, and improve the existing power modules that are not provided with high integration in the prior art. , resulting in poor space utilization, increased construction and maintenance costs, bloated vehicle structure, no aesthetic experience, customers are prone to aesthetic fatigue of the product, and at the same time increase the curb weight, increase the operating cost, and cannot further explore the defects of the program extension advantages. In the present invention, both the generator and the motor are concentrated in the casing, and the working range of the motor is wide, but relatively speaking, in the case of medium and low speed, the torque of the motor is very sufficient, and the work efficiency is relatively high; In the case of high speed, the efficiency and torque of the motor will drop rapidly; and the function of the two-speed transmission of the present invention is to make the motor work at a speed with high efficiency (respectively for high torque conditions and high speed conditions) In order to reduce the loss and increase the cruising range, reduce the transmission power loss, improve the space utilization rate, facilitate maintenance and repair, optimize the force structure, save the available space, and meet the force stability of the overall structure.

Description of drawings

The accompanying drawings described herein are used to provide further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the attached image:

FIG. 1 is a schematic structural diagram of the vehicle integrated powertrain based on the structure-optimized integrated range-extended power drive module of the present invention.

FIG. 2 is a schematic diagram of the internal structure of the highly integrated powertrain of the integrated range-extended power drive module based on structural optimization of the present invention.

FIG. 3 is a flow chart of an installation method of an integrated range-extended power drive module based on structural optimization of the present invention.

In the figure, 1 is an engine module, 2 is an integrated power module, 201 is a generator, 202 is an electric motor, 203 is a transmission, 204 is a housing, and 3 is a transmission system module.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the corresponding drawings. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

The technical solutions provided by the embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

Example 1

An integrated range-extended power drive module based on structural optimization, as shown in Figures 1 and 2, includes an engine module 1, an integrated power module 2 and a transmission system module 3; the integrated power module 2 includes a generator 201, an electric motor 202 and transmission 203.

Also specifically, the generator 201 , the electric motor 202 and the transmission 203 are installed in the housing 204 . The engine module 1 includes the engine, and the driveline module 3 includes the propeller shaft.

The structure and size of the integrated extended-range power drive module based on structural optimization in this embodiment is the same as that of a traditional transmission.

Example 2

A method for installing an integrated range-extended power drive module based on structural optimization as described in Embodiment 1, as shown in FIG. 3 , includes the following steps:

The first step, install the generator 201: install the generator 201 in the housing 204;

The second step, install the motor 202: install the motor 202 in the housing 204;

The third step is to install the transmission 203: the transmission 203 is installed at the rear end of the housing 204 to form an integrated range extension power drive module;

The fourth step is to connect the integrated range extended power drive module to the engine of the engine module 1 .

More specifically, in the first step, when the generator 201 is installed in the housing 204, the power input end of the generator 201 is directed toward the engine.

More specifically, in the first step, the generator 201 and the power battery are connected through a DC bus.

More specifically, in the first step, the generator 201 is controlled by setting a GCU (Generator Controller).

More specifically, in the first step, the VCU (Vehicle Controller) uniformly allocates the work of the generator 201 and the power battery.

More specifically, in the second step, the power output end of the electric motor 202 faces the transmission 203, and the electric motor 202 is mechanically connected to the transmission 203; There is no mechanical connection between the machines 201.

More specifically, in the second step, the motor 202 is controlled by setting an MCU (microcontroller).

More specifically, in the second step, the VCU uniformly allocates the work of the electric motor 202 and the power battery.

Specifically, in the second step, the electric motor 202 and the generator 201 are integrated in the middle position in the casing 204 .

It can also be specific, in the third step, the transmission 203 is a two-speed patch transmission. In order to meet the full speed variable speed range, reduce transmission power loss and improve space utilization.

Specifically, in the third step, the lower end of the transmission 203 is connected to the transmission device.

It can also be specific, in the fourth step, the casing 204 is an integrally fixed structure of a ring-embracing cylinder type as a whole.

Specifically, in the fourth step, a space for installing pipelines and oil passages is provided in the housing 204 .

It can also be specific, in the fourth step, the casing 204 is a split structure. For easy inspection and maintenance.

Specifically, in the fifth step, the whole device is fixed by the inclined bracket and the beam. In this way, while optimizing the force-bearing structure, more usable space is saved, and the force-bearing stability of the overall structure is better satisfied.

Specifically, in the fifth step, the housing 204 of the overall device is fixed by means of an inclined bracket and a beam.

In the integrated range-extended power drive module based on structural optimization and the installation method thereof in the above-mentioned embodiment, the GCU of the GCU does not control the power battery, but only controls the generator 201 . The generator 201 generates electricity to charge the power battery. The MCU does not control the power battery, but can only control the motor 202, and the motor 202 draws power from the power battery.

In the integrated range extension power drive module based on structural optimization and its installation method in the above embodiment, the generator 201 and the electric motor 202 are all concentrated in the casing 204, but there is no mechanical connection between the electric motor 202 and the generator 201, so that it has A notable feature that is obviously different from the fuel vehicle: the engine drives the generator 201 to work without changing due to changes in road conditions, and the engine always works in the most fuel-efficient and efficient working range; the engine is connected to the generator 201 to generate electricity, and it can always work in the engine. The optimal working condition is not affected by shifting gears of the whole vehicle; it can realize two-speed shifting, and the working range of its electric motor 202 is relatively wide, but relatively speaking, in the case of medium and low speed, the torque of the electric motor 202 is very high. However, in the case of high rotation speed, the efficiency and torque of the electric motor 202 will drop rapidly; and the function of the two-speed transmission in the above embodiment is to make the electric motor 202 work at a high efficiency ( It can deal with the speed range of high torque condition and high speed condition respectively, so as to reduce the loss and improve the cruising range.

The integrated range-extended power drive module and its installation method based on the structural optimization of the above embodiments, the highly integrated powertrain maximizes the space utilization rate, reduces the construction, operation and maintenance costs, and generally meets the conditions of use. Under the premise, the optimal space utilization rate, the overall volume is roughly equal to the volume of the original traditional gearbox, and three major equipments, the generator 201, the motor 202, and the transmission 203 are integrated in it, which solves the problem of compact space for the extended-range vehicle. Problems such as bulkiness and so on.

The above descriptions are merely embodiments of the present invention, and are not intended to limit the present invention. Various modifications and variations of the present invention are possible for those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the scope of the claims of the present invention.

Claims (10)

1. An integrated range-extending power driving module based on structural optimization comprises an engine module (1), an integrated power module (2) and a transmission system module (3); the integrated power module (2) is characterized by comprising a generator (201), a motor (202) and a transmission (203).

2. The structurally optimized integrated range-extending power-drive module as claimed in claim 1, characterized in that the generator (201), the electric motor (202) and the transmission (203) are mounted in a housing (204).

3. A method of mounting an integrated extended range power drive module based on structural optimization according to claim 1 or 2, comprising the steps of,

first, install generator (201): mounting a generator (201) in a housing (204);

second, install motor (202): mounting an electric motor (202) in a housing (204);

third, install the transmission (203): the transmission (203) is arranged at the rear end of the shell (204) to form an integrated range-extending power driving module;

and fourthly, connecting the integrated range-extending power driving module with an engine of the engine module (1).

4. A method of mounting an integrated extended range power drive module based on structural optimization according to claim 3, characterized in that in the first step, the power input of the generator (201) is directed towards the engine when the generator (201) is mounted in the housing (204).

5. The method for mounting an integrated extended range power drive module based on structural optimization according to claim 4, characterized in that in the first step, the generator (201) is connected with the power battery through a direct current bus.

6. The method for mounting an integrated extended range power drive module based on structural optimization according to claim 5, characterized in that in the first step the generator (201) is controlled by the GCU.

7. The method for installing an integrated extended range power drive module based on structural optimization of claim 6, wherein in the first step, the VCU is used to uniformly allocate the work of the generator (201) and the power battery.

8. The method for mounting an integrated range-extending power drive module based on structural optimization of claim 7, wherein in the second step, the power output end of the electric motor (202) faces the transmission (203), and the electric motor (202) is mechanically connected with the transmission (203); the generator (201) and the motor (202) are both concentrated within the housing (204).

9. The method for mounting an integrated extended range power drive module based on structural optimization of claim 8, wherein in the second step, the motor (202) is controlled by setting up an MCU.

10. The method of claim 9, wherein in the second step, the VCU uniformly regulates the operation of the motor (202) and the power battery.

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