CN219029138U - Range-extending type electric automobile front cabin assembly and range-extending type electric automobile - Google Patents

Abstract

The utility model discloses an extended range electric vehicle front cabin assembly which comprises a vehicle frame, a front cabin cover, an extended range device and a suspension, wherein the front cabin cover is covered on the front part of the vehicle frame and forms a front cabin, the extended range device and the suspension are arranged in the front cabin, the extended range device comprises an engine, a generator and a motor controller, the motor controller is arranged separately from the generator, one side of the motor controller is fixedly arranged on the suspension, and the other side of the motor controller is fixedly arranged on a longitudinal beam of the vehicle frame. By the adoption of the utility model, the motor controller and the generator are arranged separately, so that the overall weight of the range extender can be reduced, and the bearing requirement on the suspension is reduced; on the other hand, the height of the whole range extender along the vertical direction can be reduced, and the utilization rate of the space in the front cabin is improved.

Description

Range-extending type electric automobile front cabin assembly and range-extending type electric automobile

Technical Field

The utility model relates to the technical field of electric automobiles, in particular to an extended range electric automobile front cabin assembly and an extended range electric automobile.

Background

The range-extending electric vehicle has certain advantages compared with the fuel vehicle and the pure electric vehicle, for example, the urban working condition is more energy-saving than the fuel vehicle, has better pure electric driving experience, and can be used as a substitute of the same-level fuel vehicle; meanwhile, compared with a pure electric vehicle, the vehicle has no endurance anxiety, can relieve charging related limitation, and is more flexible in energy acquisition mode. In summary, extended range electric vehicles are also becoming popular with consumers.

The pure electric automobile is generally provided with one or two sets of driving systems, a power generator system is added on the original driving system of the extended range electric automobile, the electric automobile mainly comprises an engine, a power generator and a motor controller, and the set of driving systems is generally positioned at a front cabin position. In the related art, an engine, a generator and a motor controller are generally integrated to form a range extender, so that the range extender has large overall size and large demand on front cabin space. In addition, the engine, generator and motor controls are also concentrated on the powertrain, making the weight greater. Resulting in a higher overall cabin space requirement and higher suspension requirements for the powertrain. In the case where it is necessary to control the manufacturing cost of the new energy automobile, the cost of the chassis cannot rise infinitely, and therefore, the suspension of the front cabin power assembly is limited in strength and cannot support the entire power assembly. In addition, under the condition of controlling the cost, the space of the front cabin is limited, and the space of the front cabin can be effectively utilized only by the maximized utilization space and reasonable layout.

Disclosure of Invention

The utility model provides an extended range electric vehicle front cabin assembly and an extended range electric vehicle, which are used for solving the problems that the utilization rate of the inner space of a front cabin cannot be further improved and the requirement on suspension bearing is high in the prior art.

The utility model adopts the following technical scheme: the utility model provides an increase journey electric motor car front deck assembly, includes frame, front deck lid, increases journey ware and suspension, the front deck lid covers the front portion of locating the frame and forms the front deck, increase journey ware and suspension and set up in the front deck is indoor, increase journey ware includes engine, generator and motor controller, motor controller and generator separation set up, and motor controller one side fixed mounting is on the suspension, opposite side fixed mounting is on the longeron of frame.

The utility model has the following beneficial effects: by separating the motor controller from the generator, the whole weight of the range extender can be reduced, so that the bearing requirement on the suspension is reduced; on the other hand, the height of the whole range extender along the vertical direction can be reduced, and the utilization rate of the space in the front cabin is improved.

Preferably, the motor controller is located behind the generator in the front-rear direction of the front compartment, and the motor controller is partially overlapped with the generator in the horizontal direction. Through the arrangement, the overall height of the range extender can be reduced, so that the front hatch cover is moved downwards, the overall space of the front cabin is reduced, and the utilization rate of the overall space is improved.

Preferably, the height of the overlapping part of the motor controller and the generator in the vertical direction is H, wherein H is a selected value between 1cm and 5 cm.

Preferably, the motor controller has a housing provided with a mounting portion by which the motor controller is fixedly mounted on the suspension and the stringers.

Preferably, the mounting part is provided with a through hole, a fastening bolt is arranged in the through hole in a penetrating way, and the mounting part is fixedly connected with the suspension and the longitudinal beam through threads by the fastening bolt.

Preferably, the suspension and the longitudinal beam are provided with threaded holes adapted to the fastening bolts.

Preferably, four groups of fastening bolts are provided, and the four groups of fastening bolts are arranged at the bottom of the shell approximately symmetrically, wherein two groups of fastening bolts are used for being fixedly connected with the suspension screw thread, and the other two groups of fastening bolts are used for being fixedly connected with the longitudinal beam screw thread.

Preferably, the engine and the generator are fixedly mounted on the frame together by a suspension. Because the motor controller is arranged separately from the generator, the weight of the motor controller is saved, and the load bearing requirement on the suspension is reduced.

Preferably, the generator is internally provided with an oil cooling mechanical pump. Compared with the structure adopting the electronic pump in the prior art, the oil cooling mechanical pump has smaller overall volume, can be arranged in the shell of the generator, and does not need to occupy larger space externally like the electronic pump. This saves space for the motor controller to be separately provided.

In order to solve the technical problems, the utility model also adopts the following technical scheme: an extended range electric vehicle comprising the extended range electric vehicle front cabin assembly of any one of the above technical schemes.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

FIG. 1 is a schematic diagram of a part of an extended range electric vehicle front cabin assembly according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a part of an extended range electric vehicle front compartment assembly according to a second embodiment;

FIG. 3 is a schematic illustration of an extended range electric vehicle front compartment assembly in one embodiment;

FIG. 4 is a schematic diagram of a range-extending electric vehicle front compartment assembly in accordance with an embodiment.

The vehicle comprises a vehicle frame 1, a longitudinal beam 10, a front hatch cover 2, a suspension 3, a range extender 4, an engine 40, a generator 41 and a motor controller 42. The dashed line in fig. 4 shows a schematic diagram of the motor controller and the generator integrally provided in the prior art, where the height of the front hatch needs to be higher than that of the front hatch in this embodiment.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

Embodiments of the present utility model are described below with reference to the accompanying drawings.

Examples: the present embodiment provides an extended range electric vehicle front cabin assembly, as shown in fig. 1 to 4, which includes a vehicle frame 1, a front cabin cover 2, an extended range device 4 and a suspension 3, wherein the front cabin cover 2 is covered at the front part of the vehicle frame 1 and cooperates to form a front cabin, and the extended range device 4 and the suspension 3 are arranged in the front cabin. The suspension 3 in this embodiment is a three-point suspension structure including a left suspension, a right suspension, and a rear suspension for reducing and controlling the transmission of vibrations of the engine 40 while functioning as a support. The range extender 4 in this embodiment includes an engine 40, a generator 41 and a motor controller 42, and the three components are integrated in the prior art, and then are mounted on the frame 1 through the above-mentioned suspension 3 structure, and the motor controller 42, the generator 41 and the engine 40 are typically sequentially arranged from top to bottom. In this embodiment, the motor controller 42 is separately disposed from the generator 41, and one side of the motor controller 42 is fixedly mounted on the suspension 3, specifically, on the left suspension, and the other side is fixedly mounted on the side member 10 of the frame 1. By providing the motor controller 42 and the generator 41 separately, on the one hand, the overall weight of the range extender 4 can be reduced, so that the bearing requirement of the suspension 3 is reduced; on the other hand, the height of the whole range extender 4 along the vertical direction can be reduced, and the utilization rate of the space in the front cabin is improved.

The relative positional relationship of the motor controller 42 and the generator 41 in the present embodiment is shown with reference to fig. 3 and 4, the motor controller 42 is located behind the generator 41 in the front-rear direction of the front compartment, and the motor controller 42 partially overlaps the generator 41 in the horizontal direction. As shown in fig. 4, with the above arrangement, the height of the range extender 4 as a whole can be reduced, thereby moving the front hatch 2 downward, reducing the overall space of the front hatch, that is, improving the utilization of the overall space. Further, the height of the overlapping portion of the motor controller 42 and the generator 41 in the horizontal direction in the vertical direction is 2cm, and it is understood that the height value may be a selected value between 1cm and 5cm according to different vehicle model designs.

To ensure that there is sufficient space behind the generator 41 to install the motor controller 42 separately therefrom, the front cabin assembly in this embodiment eliminates the front drive system, i.e., the drive motor and the decelerator in driving connection with the drive motor are not provided in the front cabin, as compared to the front cabin assembly of the prior art. In addition, in this embodiment, the electronic pump commonly used in the new energy vehicle in the prior art is replaced by an oil-cooled mechanical pump, the volume of the oil-cooled mechanical pump is smaller and can be integrally arranged in the generator 41, and the electronic pump has a larger volume and needs to be separately arranged. By the above arrangement, a corresponding space is formed in the front compartment, and then the motor controller 42 is separated from the generator 41, thereby achieving the effects of reducing the overall weight of the range extender 4 and improving the space utilization in the front compartment.

In this embodiment, the fixed installation of the motor controller 42 is realized by adopting a bolt connection mode, specifically, the motor controller 42 is provided with a housing, four groups of fastening bolts are arranged at the bottom of the housing approximately symmetrically, threaded holes matched with the fastening bolts are arranged on the suspension 3 and the longitudinal beam 10, and the motor controller 42 is in bolt fastening connection with the suspension 3 and the longitudinal beam 10 by using the fastening bolts. Further, in order to conveniently set up fastening bolts on the shell, in this embodiment, an installation portion is provided on the shell, and a through hole is provided on the installation portion, and the fastening bolts are inserted into the through hole. The mounting portion and the housing may be integrally formed during manufacture. It will be appreciated that in other embodiments, a threaded hole may be provided in the mounting portion instead of the through hole to threadedly attach the fastening bolt to the mounting portion.

The motor controller 42 may be fixed to the side member 10 and the suspension 3 by welding using a welding method by changing the material of the mounting portion. Alternatively, other common fixing connection modes such as fastening and inserting can be adopted.

As described above, the four sets of fastening bolts are provided in the present embodiment, and the four sets of fastening bolts are provided substantially symmetrically at the bottom of the outer shell, wherein two sets of fastening bolts are used for screw-fastening with the suspension 3, and the other two sets of fastening bolts are used for screw-fastening with the side member 10.

Meanwhile, the embodiment also provides an extended range electric vehicle, which comprises the front cabin assembly provided by the embodiment.

In the present utility model, unless explicitly stated or limited otherwise in the examples, the terms "mounted," "connected," and "fixed" as used in the examples should be interpreted broadly, e.g., the connection may be a fixed connection, may be a removable connection, or may be integral, and it may be understood that the connection may also be a mechanical connection, an electrical connection, etc.; of course, it may be directly connected, or indirectly connected through an intermediate medium, or may be in communication with each other, or in interaction with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to specific embodiments.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. The utility model provides an increase journey electric motor car front deck assembly, includes frame (1), preceding cabin cover (2), increases journey ware (4) and suspension (3), preceding cabin cover (2) cover locates frame (1) front portion and forms the front deck, increase journey ware (4) and suspension (3) and set up in the front deck, increase journey ware (4) include engine (40), generator (41) and motor controller (42), its characterized in that, motor controller (42) and generator (41) separation set up, and motor controller (42) one side fixed mounting is on suspension (3), opposite side fixed mounting is on longeron (10) of frame (1).

2. The extended range electric vehicle front compartment assembly of claim 1, characterized in that the motor controller (42) is located behind the generator (41) in the front-rear direction of the front compartment, and the motor controller (42) partially overlaps the generator (41) in the horizontal direction.

3. The extended range electric vehicle front compartment assembly of claim 2, characterized in that the height of the overlap of the motor controller (42) and the generator (41) in the vertical direction is H, wherein H is a selected value between 1cm and 5 cm.

4. An extended range electric vehicle front compartment assembly as claimed in claim 1 or 2 or 3, characterised in that the motor controller (42) has a housing provided with a mounting portion by means of which the motor controller (42) is fixedly mounted on the suspension (3) and the stringers (10).

5. The extended range electric vehicle front cabin assembly according to claim 4, wherein the mounting portion is provided with a through hole, a fastening bolt is penetrated in the through hole, and the mounting portion is fixedly connected with the suspension (3) and the longitudinal beam (10) through the fastening bolt in a threaded manner.

6. The extended range electric vehicle front compartment assembly of claim 5, characterized in that the suspension (3) and the longitudinal beam (10) are provided with threaded holes adapted to the fastening bolts.

7. The extended range electric vehicle front compartment assembly of claim 5, characterized in that the fastening bolts are provided in four groups and in that the four groups of fastening bolts are arranged substantially symmetrically at the bottom of the housing, wherein two groups of fastening bolts are used for threaded fixed connection with the suspension (3) and the other two groups of fastening bolts are used for threaded fixed connection with the longitudinal beam (10).

8. The range-extending electric car front cabin assembly of claim 1, wherein the engine (40) and the generator (41) are together fixedly mounted on the frame (1) by means of a suspension (3).

9. The range-extending electric car front compartment assembly of claim 1, wherein the generator (41) incorporates an oil-cooled mechanical pump.

10. An extended range electric vehicle comprising an extended range electric vehicle front compartment assembly as claimed in any one of claims 1 to 9.

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