WO2020108164A1

WO2020108164A1 - Frame beam of electric vehicle and electric vehicle

Info

Publication number: WO2020108164A1
Application number: PCT/CN2019/111899
Authority: WO
Inventors: 何文强; 仰荣德; 孟凡亮; 段修健
Original assignee: 奇瑞汽车股份有限公司
Priority date: 2018-11-29
Filing date: 2019-10-18
Publication date: 2020-06-04
Also published as: CN109291996B; CN109291996A

Abstract

Disclosed is a frame beam structure of an electric vehicle, the frame beam structure comprising a first frame beam plate (11), a second frame beam plate (12) and connecting vertical plates (13). The first frame beam plate (11) comprises a first left longitudinal beam part (11a), a first front cross beam part (11b), a first right longitudinal beam part (11c) and a first rear cross beam part (11d) which are coplanar and connected to each other; the second frame beam plate (12) comprises a second left longitudinal beam part (12a), a second front cross beam part (12b), a second right longitudinal beam part (12c) and a second rear cross beam part (12d) which are coplanar and connected to each other; and the first frame beam plate (11) and the second frame beam plate (12) are arranged opposite each other; an orthographic projection of the second frame beam plate (12) on the plane where the first frame beam plate (11) is located coincides with the first frame beam plate (11); an inner edge and an outer edge of the first frame beam plate (11), and an inner edge and an outer edge of the second frame beam plate (12) are all provided with the connecting vertical plates (13); the connecting vertical plates (13) on the first frame beam plate (11) and the connecting vertical plates (13) on the second frame beam plate (12) extend oppositely; the connecting vertical plates (13) at the inner edge of the first frame beam plate (11) are connected with the connecting vertical plates (13) at the inner edge of the second frame beam plate (12); and the connecting vertical plates (13) at the outer edge of the first frame beam plate (11) are connected to the connecting vertical plates (13) at the outer edge of the second frame beam plate (12). The structure can improve the strength properties of a frame beam structure, can bear a plurality of parts in the electric vehicle and does not influence the whole vehicle property of the electric vehicle.

Description

Frame beam of electric vehicle and electric vehicle

Technical field

The invention relates to a front cabin structure of an electric vehicle, in particular to a frame beam of an electric vehicle and an electric vehicle.

Background technique

Compared with traditional cars, electric cars have added many parts, such as electric vacuum pumps, electric air-conditioning compressors, high-voltage electrical boxes, DC-AC converters and chargers. Generally, the above components are arranged in the front cabin of the car. The arrangement of these components not only affects the normal operation of each component, but also relates to the overall performance of the electric vehicle. Therefore, how to arrange these components reasonably is very important.

At present, the frame beam structure is usually used to carry the above-mentioned components. The frame beam structure includes two horizontal connecting rods and a plurality of longitudinal connecting rods connected between the two horizontal connecting rods. Mounting bracket for fixing the above components.

technical problem

In the process of implementing the present invention, the inventor found that the prior art has at least the following problems:

The existing frame beam structure is formed by welding two horizontal connecting rods and a plurality of longitudinal connecting rods, which makes the frame beam structure have poor strength performance and can not carry many new components in the electric vehicle well, which affects the electric The overall performance of the car.

Technical solution

The embodiments of the present invention provide a frame beam of an electric vehicle and an electric vehicle, which can improve the strength performance of the frame beam structure, can bear multiple components in the electric vehicle, and does not affect the overall performance of the electric vehicle. The technical solution is as follows:

On the one hand, an embodiment of the present invention provides a frame beam structure for an electric vehicle. The frame beam includes: a first frame beam plate, a second frame beam plate and a connecting vertical plate, and the first frame beam plate includes coplanar And the connected first left longitudinal beam portion, the first front beam portion, the first right longitudinal beam portion and the first rear beam portion; the second frame beam plate includes coplanar and connected second left longitudinal beam portion, the first Two front beam portions, a second right longitudinal beam portion and a second rear beam portion; the first frame beam plate and the second frame beam plate are arranged oppositely, and the second frame beam plate is on the first frame beam The orthographic projection of the plane of the board coincides with the first frame beam plate, the inner edge and the outer edge of the first frame beam plate, the inner edge and the outer edge of the second frame beam plate are provided with the connection vertical Plate, the connection vertical plate on the first frame beam plate and the connection vertical plate on the second frame beam plate extend relative to each other, the connection vertical plate on the inner edge of the first frame beam plate The connection vertical plate at the inner edge of the second frame beam plate is connected, and the connection vertical plate at the outer edge of the first frame beam plate is connected to the connection vertical plate at the outer edge of the second frame beam plate.

In an implementation manner of the embodiment of the present invention, the frame beam further includes: a first longitudinal mounting plate and a first mounting bracket, and the first longitudinal mounting plate is fixedly connected to the first front beam portion and the Between the first rear beam portion, the first mounting bracket and the second frame beam plate are located on the same side of the first frame beam plate and are located on the first front beam portion and the first rear beam portion Between, the first mounting bracket includes a first mounting plate vertically connected to the first longitudinal mounting plate, the first mounting plate and the first left longitudinal beam portion and the first right longitudinal beam portion The arrangement direction is vertical, and the first mounting plate is provided with a plurality of bolt holes for mounting the reducer and the air conditioner compressor.

In another implementation manner of the embodiment of the present invention, a plurality of first connecting posts are inserted on the first mounting plate, and the plurality of bolt holes are respectively provided on the first connecting posts.

In another implementation manner of the embodiment of the present invention, the first mounting plate is provided with a weight reduction hole.

In another implementation manner of the embodiment of the present invention, the first mounting plate is provided with a force transmission rib plate along an edge of the first mounting plate.

In another implementation manner of the embodiment of the present invention, the frame beam further includes: a second longitudinal mounting plate and a second mounting bracket, the second longitudinal mounting plate is fixedly connected to the first front beam portion and the Between the first rear beam portion, the second mounting bracket and the second frame beam plate are located on the same side of the first frame beam plate and are located on the first front beam portion and the first rear beam Between the two parts, the second mounting bracket includes a mounting block and a plurality of second connecting posts fixed on the mounting block, the plurality of second connecting posts along the first left longitudinal beam part and the The first right longitudinal beam portion is arranged in an arrangement direction, and the plurality of second connecting columns each have an axial screw hole for mounting a driving motor.

In another implementation manner of the embodiment of the present invention, the frame beam further includes a plurality of connection brackets for installing at least one of a battery, a charger, or a motor controller, and each of the connection brackets includes an installation panel And a connection panel vertically connected with the installation panel, the connection panel is fixedly connected with the first frame beam plate or the second frame beam plate, and the installation panel is provided with an installation screw hole.

In another implementation manner of the embodiment of the present invention, the first frame beam plate and the second frame beam plate are respectively provided with a plurality of connection brackets, and the frame beam has a first left longitudinal beam The left mounting area, the middle mounting area, and the right mounting area are arranged in this order in the arrangement direction of the first and the first right longitudinal beam portions. The left mounting area is provided with five connection brackets, and the middle mounting area is provided with There are two connection brackets, and two connection brackets are provided on the right mounting area.

In another implementation manner of the embodiment of the present invention, in the left installation area, two connection brackets are provided on the first left longitudinal beam portion, and the first front beam portion and all Three connection brackets are provided on the first rear beam portion, and two connection brackets are provided on the first front beam portion and the first rear beam portion in the intermediate installation area. In the right installation area, two connection brackets are provided on the first right longitudinal beam portion.

On the other hand, an embodiment of the present invention provides an electric vehicle including the frame beam described above.

Beneficial effect

The beneficial effects brought by the technical solutions provided by the embodiments of the present invention are:

The first frame beam plate in the embodiment of the present invention includes coplanar and connected first left longitudinal beam portions, a first front beam portion, a first right longitudinal beam portion, and a first rear beam portion. The second frame beam plate includes a common The second left longitudinal beam portion, the second front transverse beam portion, the second right longitudinal beam portion, and the second rear transverse beam portion that are planar and connected. That is, the first frame beam plate and the second frame beam plate are both an integral frame structure, instead of using two horizontal connection beams and multiple longitudinal connection beams spliced, so compared to the structure of multiple scattered structures The overall frame structure in the invention has higher strength and better bearing performance. At the same time, the inner and outer edges of the first frame beam plate and the second frame beam plate are provided with connecting vertical plates, and the connecting vertical plates of the first frame beam plate and the second frame beam plate are bonded by vertical flanging Fixation is restricted by the interaction of two frame beam plates, which can further improve the strength of frame beams compared to a single frame beam plate. And the connecting vertical plates on the inner edge and the outer edge of the first beam plate and the second frame beam plate make the first beam plate and the second frame beam plate fit and connect to form a closed mouth-shaped cross section, therefore, Can improve the torsional performance of the frame beam.

BRIEF DESCRIPTION

In order to more clearly explain the technical solutions in the embodiments of the present invention, the drawings required in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the invention For those of ordinary skill in the art, without paying any creative work, other drawings can be obtained based on these drawings.

Figure 1 is a schematic diagram of a frame beam structure of the current electric vehicle front cabin;

2 is a schematic structural diagram of a first frame beam plate provided by an embodiment of the present invention;

3 is a schematic structural diagram of a second frame beam plate provided by an embodiment of the present invention;

4 is a schematic cross-sectional view of a connection between a first frame beam plate and a second frame beam plate provided by an embodiment of the present invention;

5 is a schematic diagram of a frame beam structure of an electric vehicle provided by an embodiment of the present invention;

6 is a schematic view of a frame beam structure provided with a longitudinal mounting plate and a mounting bracket provided by an embodiment of the present invention;

7 is a schematic structural diagram of a first mounting bracket provided by an embodiment of the present invention;

8 is a partial schematic view of a frame beam structure provided by an embodiment of the present invention;

9 is an assembly diagram of a first mounting bracket provided by an embodiment of the present invention;

10 is a schematic structural diagram of a second mounting bracket provided by an embodiment of the present invention;

11 is a partial schematic view of another frame beam structure provided by an embodiment of the present invention;

FIG. 12 is a schematic diagram of a front cabin layout type of an electric vehicle provided by an embodiment of the present invention;

13 is a schematic diagram of another type of front cabin arrangement of an electric vehicle provided by an embodiment of the present invention.

Embodiments of the invention

To make the objectives, technical solutions, and advantages of the present invention clearer, the following describes the embodiments of the present invention in further detail with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of a frame beam structure of the current electric vehicle front cabin. As shown in Figure 1. The frame beam structure used in the current electric vehicle front cabin includes two horizontal connecting rods 1a and a plurality of longitudinal connecting rods 1b connected between the two horizontal connecting rods 1a. In this frame beam structure, the electric vehicle front cabin The inner components are mounted on the horizontal connecting rod 1a or the vertical connecting rod 1b. The existing frame beam structure is welded by two horizontal connecting rods 1a and a plurality of longitudinal connecting rods 1b, which makes the frame beam structure has poor strength performance and cannot well support multiple new components in electric vehicles. Affect the overall performance of electric vehicles.

2 is a schematic structural view of a first frame beam plate provided by an embodiment of the present invention, FIG. 3 is a structural schematic view of a second frame beam plate provided by an embodiment of the present invention, and FIG. 4 is a structure provided by an embodiment of the present invention. A schematic cross-sectional view of a connection between a first frame beam plate and a second frame beam plate. As shown in FIGS. 2, 3 and 4, the frame beam includes: a first frame beam plate 11, a second frame beam plate 12 and a connecting vertical plate 13, and the first frame beam plate 11 includes a co-planar and connected first left longitudinal The beam portion 11a, the first front beam portion 11b, the first right side beam portion 11c and the first rear beam portion 11d; the second frame beam plate 12 includes coplanar and connected second left side beam portions 12a and a second front beam The portion 12b, the second right longitudinal beam portion 12c and the second rear beam portion 12d.

As shown in FIG. 2, the first left side member 11a, the first front side member 11b, the first right side member 11c, and the first rear side member 11d may have a frame shape in order from end to end. Accordingly, the second left longitudinal beam portion 12a, the second front beam portion 12b, the second right longitudinal beam portion 12c and the second rear beam portion 12d may be connected end to end.

The second frame beam plate 12 is provided with a plurality of weight reduction holes 3. The provision of the weight-reducing holes 3 can reduce the weight of the frame beam structure 1 to meet the requirements of light weight.

Wherein, the first frame beam plate 11 and the second frame beam plate 12 are arranged oppositely, the orthographic projection of the second frame beam plate 12 on the plane where the first frame beam plate 11 is located coincides with the first frame beam plate 11, the first frame beam plate The inner and outer edges of 11 and the inner and outer edges of the second frame beam plate 12 are all provided with connecting vertical plates 13. The connecting vertical plate 13 on the first frame beam plate 11 is connected to the second frame beam plate 12 The vertical plates 13 are relatively extended. The connecting vertical plates 13 at the inner edge of the first frame beam plate 11 are connected to the connecting vertical plates 13 at the inner edge of the second frame beam plate 12, and the outer edges of the first frame beam plate 11 are The connection vertical plate 13 is connected to the connection vertical plate 13 at the outer edge of the second frame beam plate 12.

In this embodiment, the connection vertical plates 13 at the inner and outer edges of the first frame beam plate 11 and the second frame beam plate 12 may be respectively connected by vertical flanging 14. The vertical flanging is used to connect the first frame beam plate and the second frame beam plate to avoid welding the first frame beam plate and the second frame beam plate directly to damage their own strength, so that the first frame beam plate and the second frame beam plate can be damaged. The surface of the frame beam plate is stable, avoiding stress concentration, thereby improving the strength of the frame beam.

The first frame beam plate in the embodiment of the present invention includes a first left longitudinal beam portion, a first front beam portion, a first right longitudinal beam portion and a first rear beam portion that are coplanar and connected end to end in sequence, and the second frame beam plate It includes a second left longitudinal beam portion, a second front transverse beam portion, a second right longitudinal beam portion, and a second rear transverse beam portion that are coplanar and sequentially connected end to end. That is, the first frame beam plate and the second frame beam plate are both an integral frame structure, instead of using two horizontal connection beams and multiple longitudinal connection beams spliced, so compared to the structure of multiple scattered structures The overall frame structure in the invention has higher strength and better bearing performance. At the same time, the inner and outer edges of the first frame beam plate and the second frame beam plate are provided with connecting vertical plates, and the connecting vertical plates of the first frame beam plate and the second frame beam plate are bonded by vertical flanging Fixation is restricted by the interaction of two frame beam plates, which can further improve the strength of frame beams compared to a single frame beam plate. And the connecting vertical plates on the inner edge and the outer edge of the first beam plate and the second frame beam plate make the first beam plate and the second frame beam plate fit and connect to form a closed mouth-shaped cross section, therefore, Can improve the torsional performance of the frame beam.

In this embodiment, the first frame beam plate and the second frame beam plate are an integrally formed structure. For example, a frame structure can be formed by stamping a plate.

Preferably, the sides of the first frame beam plate and the second frame beam plate are flat, so that the structure of the first frame beam plate and the second frame beam plate can be stable, stress concentration can be avoided, and the first frame beam plate and the second frame beam plate can be avoided. The strength of the second frame beam plate.

As shown in FIGS. 5 and 6, the frame beam may further include: a first longitudinal mounting plate 16a and a first mounting bracket 17, the first longitudinal mounting plate 16a is fixedly connected between the first front beam portion 11b and the first rear beam portion 11d The first mounting bracket 17 and the second frame beam plate 12 are located on the same side of the first frame beam plate 11 and between the first front beam portion 11b and the first rear beam portion 11d. The first mounting bracket 17 includes A first mounting plate 171 vertically connected to the longitudinal mounting plate 16a, the first mounting plate 171 is perpendicular to the arrangement direction of the first left longitudinal beam portion 11a and the first right longitudinal beam portion 11c (as shown in a in FIG. 1), and A mounting plate 171 is provided with a plurality of bolt holes for mounting the speed reducer 46 and the air-conditioning compressor 47. In the embodiment of the present invention, one side of the first frame beam plate 11 (the upper end space of the frame beam) is used to install some components in the front cabin of the electric vehicle. In order to save space, this embodiment uses the second frame beam plate 12 The side (the space at the lower end of the frame beam) is also fully utilized, and some components in the front cabin of the electric vehicle are installed on the side of the second frame beam plate 12. In order to realize the installation of the components in the front cabin on the side of the second frame beam plate 12, the embodiment of the present invention provides a first mounting bracket 17 and a first longitudinal mounting plate 16a, as shown in FIG. 1, the first longitudinal mounting plate The overlap of 16a is fixed on the first front beam portion 11b and the first rear beam portion 11d of the first frame beam plate 11, and the mounting bracket 17 is disposed between the first front beam 11b and the first rear beam 11d, thereby The first mounting bracket 17 on the first longitudinal mounting plate 16a is indirectly fixed. Therefore, the bolt holes on the first mounting bracket 17 can be used to install the components in the front cabin on the lower end surface of the frame beam, thereby saving space. Providing the first longitudinal mounting plate 16a and the first mounting bracket 17 at the same time can share the load for the frame beam and enhance the stability of the frame beam.

As shown in FIGS. 6 and 7, a plurality of first connecting posts 173 are inserted into the first mounting plate 171, and a plurality of bolt holes 170 are provided on the first connecting posts 173 respectively. Among them, the first mounting bracket 17 is provided with seven first connecting posts 173, and the extending direction of the screw holes on the first connecting post 173 is the same as the arrangement direction of the first left longitudinal beam portion 11a and the first right longitudinal beam portion 11b . In this embodiment, the first mounting bracket 17 further includes a second mounting plate 172 perpendicular to the first mounting plate 171. Three first connecting posts 173 are provided on the second mounting plate 172. The second mounting plate 172 is fixedly connected to the first longitudinal mounting plate 16a by inserting bolts into the first connecting post 173. The first mounting bracket 17 uses the first mounting plate 171 and the second mounting plate 172 as a carrier of the first connecting post 173 to provide mounting support for the first connecting post 173, and at the same time can enhance the connection stability of the first connecting post 173.

Optionally, in the embodiment of the present invention, the first mounting plate 171 is provided with a weight reduction hole 175. The weight reduction hole 175 can reduce the weight of the first mounting bracket 17 and make the first mounting bracket 17 more lightweight.

Optionally, a force transmission rib 176 is provided on the first mounting plate 171 along the edge of the first mounting plate 171. By disposing force transmission ribs 176 around the first mounting plate 171, the force on the first mounting plate 171 can be improved to improve the torsional performance of the first mounting plate 171, thereby further enhancing the stability of the first mounting bracket 17.

As shown in FIG. 7, in the above implementation manner, the three first connecting posts 173 on the second mounting plate 172 are connected to the three screw holes on the first longitudinal mounting plate 16a through bolts or studs. The seven first connecting posts 173 on the first mounting plate 171 are used to connect the speed reducer 46 and the air-conditioning compressor 47. Among them, there are 4 first connecting posts (shown as 173a in FIG. 7) for connecting with the reducer 46 (see FIG. 9), and the remaining 3 first connecting posts (shown as 173b in FIG. 7) are used It is connected to the air-conditioning compressor 47 (see FIG. 9).

As shown in FIGS. 6 and 10, the frame beam further includes: a second longitudinal mounting plate 16b and a second mounting bracket 18, and the second longitudinal mounting plate 16b is fixedly connected between the first front beam 11b and the first rear beam 11d. The second mounting bracket 18 and the second frame beam plate 12 are located on the same side of the first frame beam plate 11 and between the first front beam 11b and the first rear beam 11d. The second mounting bracket 18 includes a mounting block 180 and is fixed at A plurality of second connecting columns 181 on the mounting block, the plurality of second connecting columns 181 are arranged along the arrangement direction of the first left longitudinal beam portion 11a and the first right longitudinal beam portion 11c, and the plurality of second connecting columns 181 each have an axis向螺孔182. Among them, the second mounting bracket 18 includes two axial screw holes 182 extending in a direction perpendicular to the frame beam, a second connecting post 181 and three axial screw holes 182 extending in a direction different from the first left longitudinal beam portion 11a and the first A second connecting post 181 with the same arrangement direction of the right longitudinal beam portion 11c, in which the extending direction of the two axial screw holes 182 perpendicular to the frame beam is connected to the second longitudinal mounting plate 16b by bolts (see FIG. 11 ). The second connecting post 181 having the same extending direction of the three axial screw holes 182 as the first left longitudinal beam portion 11 a and the first right longitudinal beam portion 11 c is used to connect to the drive motor 45. In this embodiment, the second mounting bracket 18 only uses the mounting block 180 as a carrier of the second connecting post 181, which makes the structure of the second mounting bracket 18 simpler and easier to manufacture, and is installed with the first mounting as shown in FIG. Compared with the bracket 17, it can be used to carry lighter-weight components and a smaller number of components.

It should be noted that the first mounting bracket 17 and the second mounting bracket 18 are not only bolted to the first longitudinal beam mounting plate 16a or the second longitudinal beam mounting plate 16b, but may also be used in other embodiments of the present invention. The first mounting bracket 17 and the second mounting bracket 18 are fixed on the first longitudinal beam mounting plate 16a or the second longitudinal beam mounting plate 16b by welding or other fixed connection methods, and the invention is not limited herein.

As shown in FIGS. 5, 8, and 11, the frame beam further includes a plurality of connection brackets 2 for installing the battery 40, the charger 41, or the motor controller 44, each connection bracket 2 includes an installation panel 21 and The connection panel 22 is vertically connected to the panel 21. The connection panel 22 is fixedly connected to the first frame beam plate 11 or the second frame beam plate 12. The installation panel 21 is provided with an installation screw hole 23. In this embodiment, the connection bracket 2 has a reasonable layout and is fixed on the frame beam by welding, the connection is stable and the process is simple, and the installation and working state of each electrical component can be guaranteed to be stable.

In other embodiments of the present invention, one or two boss structures may be provided on the first frame beam plate to increase the height of the connection bracket to facilitate installation and connection of the connection bracket and the components of the electric vehicle. The boss structure may be a protrusion formed by stamping on the side of the first frame beam plate, or may be a shim plate fixed on the side of the first frame beam plate, which method is used to form the boss structure, the invention No restrictions here.

As shown in FIG. 5, the first frame beam plate 11 and the second frame beam plate 12 are respectively provided with a plurality of connecting brackets 2, and the frame beam has an arrangement along the first left longitudinal beam portion 11 a and the first right longitudinal beam portion 11 c The left installation area (see A in Fig. 5), the middle installation area (see B in Fig. 5) and the right installation area (see C in Fig. 5) in order of direction are arranged, and there are five connecting brackets 2 on the left installation area, the middle There are 2 connection brackets 2 on the installation area, and 2 connection brackets 2 on the right installation area. In the left installation area, two connection brackets 2 are provided on the first left longitudinal beam portion 11a, and three connection brackets 2 are provided on the first front beam portion 11b and the first rear beam portion 11d. In the intermediate installation area, two connecting brackets 2 are provided on the first front beam portion 11b and the first rear beam portion 11d. In the right mounting area, two connecting brackets 2 are provided on the first right longitudinal beam portion 11c. In the embodiment of the present invention, nine connecting brackets 2 are provided on the first frame beam plate 11. As shown in FIG. 3, the connecting brackets 2a, 2b are located in the left mounting area and are used to install the battery 40, the connecting brackets 2c, 2d, 2e, 2f are located in the left mounting area and the middle mounting area and used to install the charger 41, and the connecting bracket 2e -2h is located in the right installation area and the middle installation area and is used for installing the motor controller 44, and the connecting bracket 2i is located in the left installation area and is used for installing the vacuum irrigation and the vacuum pump.

Optionally, the vertical flange 14 of the first frame beam plate 11 and the vertical flange 14 of the second frame beam plate 12 are welded and fixed. In the embodiment of the present invention, the vertical flange 14 of the first frame beam plate 11 and the vertical flange 14 of the second frame beam plate 12 are connected together by spot welding. This kind of connection process is simple to operate, and can keep the first frame beam plate 11 and the second frame beam plate 12 stable after connection, making the frame beam load more continuous, avoiding stress concentration, and enhancing the strength of the frame beam. Moreover, the first frame beam plate 11 and the second frame beam plate 12 are sheet metal structures, which can meet the strength requirements. A

An embodiment of the present invention provides an electric vehicle including the frame beam described above. As shown in FIGS. 12 and 13, the front cabin components of the electric vehicle include: a battery 40, a charger 41, a DC-AC converter 42, a high-voltage electrical box 43, a motor controller 44, a drive motor 45, a reducer 46, and an air-conditioning compressor 47. The battery 40 is fixed on the connecting bracket 2 and located on the first left longitudinal beam portion 11a, and the motor controller 44 is fixed on the connecting bracket and located on the first right longitudinal beam portion 11c, the first front beam portion 11b and the first rear On the beam portion 11d, the charger 41 is fixed on the connecting bracket 2 and is located on the first front beam portion 11b and the first rear beam portion 11d. The charger 41 is located between the motor controller 44 and the battery 40. The charger 41 is connected to the DC The AC converter 42 is bolted and located between the DC AC converter 42 and the first frame beam plate 11, the motor controller 44 is bolted to the high voltage electrical box 43 and is located between the high voltage electrical box 43 and the first frame beam plate 11, The driving motor 45 and the second mounting bracket 18 are connected by bolts, the air conditioner compressor 47 and the first mounting bracket 17 are connected by bolts, the speed reducer 46 and the first mounting bracket 17 are connected by bolts, and are located between the air conditioner compressor 47 and the drive motor 45 between. The components of this type of layout are reasonably distributed, and the layout is compact, which can save a lot of space in the front cabin.

Optionally, a first suspension 51 is provided on the first left longitudinal beam portion 11a, a second suspension 52 is provided on the first right longitudinal beam portion 11c, and a third suspension 53 is provided on the speed reducer 46. Three suspensions are used to connect with the front cabin of the electric vehicle, so that the components installed on the frame beam are stably fixed in the front cabin of the electric vehicle.

The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of protection of the present invention Inside.

Claims

A frame beam of an electric vehicle, characterized in that the frame beam comprises: a first frame beam plate (11), a second frame beam plate (12) and a connecting vertical plate (13), the first frame beam plate (11) Including coplanar and connected first left longitudinal beam portion (11a), first front beam portion (11b), first right longitudinal beam portion (11c) and first rear beam portion (11d);

The second frame beam plate (12) includes coplanar and connected second left longitudinal beam portions (12a), a second front beam portion (12b), a second right longitudinal beam portion (12c) and a second rear beam portion (12d);

The first frame beam plate (11) and the second frame beam plate (12) are arranged oppositely, and the second frame beam plate (12) is orthographically projected on the plane where the first frame beam plate (11) is located Coincide with the first frame beam plate (11), the inner edge and the outer edge of the first frame beam plate (11), the inner edge and the outer edge of the second frame beam plate (12) are provided with The connection vertical plate (13), the connection vertical plate (13) on the first frame beam plate (11) is opposite to the connection vertical plate (13) on the second frame beam plate (12) Extending, the connection vertical plate (13) at the inner edge of the first frame beam plate (11) is connected to the connection vertical plate (13) at the inner edge of the second frame beam plate (12), and the first A connecting vertical plate (13) at an outer edge of a frame beam plate (11) is connected to a connecting vertical plate (13) at an outer edge of the second frame beam plate (12).
The frame beam according to claim 1, wherein the frame beam further comprises: a first longitudinal mounting plate (16a) and a first mounting bracket (17), the first longitudinal mounting plate (16a) is fixedly connected Between the first front beam portion (11b) and the first rear beam portion (11d), the first mounting bracket (17) and the second frame beam plate (12) are located at the first The frame beam plate (11) is on the same side and is located between the first front beam portion (11b) and the first rear beam portion (11d), and the first mounting bracket (17) includes A first mounting plate (171) vertically connected to the mounting plate (16a), the first mounting plate (171) and the first left longitudinal beam portion (11a) and the first right longitudinal beam portion (11c) The arrangement direction is vertical, and the first mounting plate (171) is provided with a plurality of bolt holes (170) for mounting the speed reducer (46) and the air conditioner compressor (47).
The frame beam according to claim 2, characterized in that a plurality of first connecting columns (173) are inserted on the first mounting plate (171), and the plurality of bolt holes (170) are respectively provided in the Said on the first connecting column (173).
The frame beam according to claim 2, wherein the first mounting plate (171) is provided with a weight reduction hole (175).
The frame beam according to claim 3, wherein the first mounting plate (171) is provided with a force transmission rib (176) along the edge of the first mounting plate (171).
The frame beam according to claim 1, wherein the frame beam further comprises: a second longitudinal mounting plate (16b) and a second mounting bracket (18), the second longitudinal mounting plate (16b) is fixedly connected Between the first front beam portion (11b) and the first rear beam portion (11d), the second mounting bracket (18) and the second frame beam plate (12) are located at the first On the same side of the frame beam plate (11) and between the first front beam portion (11b) and the first rear beam portion (11d), the second mounting bracket (18) includes a mounting block (180) And a plurality of second connecting posts (181) fixed on the mounting block, the plurality of second connecting posts (181) are along the first left longitudinal beam portion (11a) and the first right longitudinal The beam portions (11c) are arranged in the arrangement direction, and the plurality of second connecting columns (181) each have an axial screw hole (182) for mounting a drive motor (45).
The frame beam according to claim 1, characterized in that the frame beam further comprises a plurality of connection brackets (for mounting at least one of a battery (40), a charger (41) or a motor controller (44) 2), each of the connection brackets (2) includes an installation panel (21) and a connection panel (22) vertically connected to the installation panel (21), the connection panel (22) and the first frame The beam plate (11) or the second frame beam plate (12) is fixedly connected, and the installation panel (21) is provided with an installation screw hole (23).
The frame beam according to claim 7, wherein the first frame beam plate (11) and the second frame beam plate (12) are respectively provided with a plurality of connecting brackets (2), the frame The beam has a left mounting area (A), a middle mounting area (B), and a right mounting area, which are sequentially distributed along the arrangement direction of the first left longitudinal beam portion (11a) and the first right longitudinal beam portion (11c) C), the left installation area (A) is provided with five connection brackets (2), the middle installation area (B) is provided with two connection brackets (2), the right installation area (C) There are two connection brackets (2).
The frame beam according to claim 8, characterized in that, in the left installation area (A), two connection brackets (2) are provided on the first left longitudinal beam portion (11a), Three connection brackets (2) are provided on the first front beam portion (11b) and the first rear beam portion (11d). In the middle mounting area (B), the first Two connection brackets (2) are provided on the front beam portion (11b) and the first rear beam portion (11d), in the right mounting area (C), in the first right longitudinal beam portion ( 11c) There are 2 connection brackets (2).
An electric vehicle, characterized in that the electric vehicle includes a frame beam according to any one of claims 1-9.