CN102442190A - Vehicle frame with battery module structure and applied chassis and electric vehicle - Google Patents

Abstract

The invention discloses a frame with battery module structure and chassis and electric vehicle used, wherein the chassis or electric vehicle has battery module, the battery module is provided with assembling part, the frame comprises: the first beam set is provided with a first beam piece and a second beam piece, and the second beam set is connected with the first beam set in a spanning mode. The first beam member has a first recess opening to the second beam set, and the first recess is provided with a first assembling member to be engaged with the assembling portion of the battery module to fix the battery module in the first recess of the first beam member of the frame, so that the space of the first beam member of the frame is used to replace the space for accommodating the battery module member.

Description

Vehicle frame with battery module structure and applied chassis and electric vehicle

technical field

The invention relates to a vehicle frame, in particular to a vehicle frame with a space formed by a bending-resistant frame for arranging a battery module.

Background technique

At present, electric vehicles need batteries to provide power, and according to the current battery technology, in order to achieve a voltage that actually meets the demand, multiple batteries need to be connected in series/parallel, and the batteries are assembled into the battery module 10, and then the battery module 10 is locked. Attached to the chassis or frame 11 of the electric vehicle, please refer to FIG. 1 for a three-dimensional assembled view of the electric vehicle frame and the battery module in the prior art.

At present, the weight of the battery pack is not light, and some even weigh hundreds of kilograms. Therefore, the battery module for the battery pack must also provide sufficient rigidity to withstand the weight of the battery pack and protect the battery pack from damage caused by external forces. Then fix the battery module to the connection structure on the vehicle (some connection structures are integrally formed with the battery module, and some connection structures are provided with additional components), which will increase a lot of unnecessary weight burden, thus affecting the performance of the vehicle. cause adverse effects.

Contents of the invention

The purpose of the present invention is to provide a frame for directly placing a battery module in an accommodating space formed therein, a chassis and an electric vehicle to which the frame is applied.

In order to achieve the above object, the present invention discloses a vehicle frame, which is suitable for an electric vehicle and is used for installing at least one battery module. The battery module is provided with a connecting portion. The vehicle frame includes:

A first beam set includes a first beam and a second beam, the first beam has an open first recess, the first recess is provided with a first assembly, and the first recess forms a first an accommodating space, so that the battery module is arranged in the first accommodating space, and is engaged and fixed by the assembling part with the first assembling part; and

A second beam set straddles the first beam set.

In the above structure, the second beam has a second recess, the second recess is provided with a second assembly, the first recess and the second recess define a second accommodating space, so that the battery module is arranged in the second accommodating space space, and the battery module assembly part is engaged and fixed with the first assembly part and the second assembly part.

In the above structure, the second beam set includes a third beam and a fourth beam, the third beam has a third recess, the third recess is provided with a third assembly, the first recess, the second recess and the first recess The three recesses define a third accommodating space, so that the battery module is arranged in the third accommodating space, and the assembling part is engaged and fixed with the first assembling part, the second assembling part and the third assembling part.

The fourth beam has a fourth recess, the fourth recess is provided with a fourth assembly, the first recess, the second recess, the third recess and the fourth recess define a fourth accommodating space, so that the battery module is set It is in the fourth accommodating space, and is engaged and fixed with the first assembly part, the second assembly part, the third assembly part and the fourth assembly part by the assembly part.

The above-mentioned battery module also includes electrode sheets, and the first accommodating space, the second accommodating space, the third accommodating space and the fourth accommodating space have contact pads respectively corresponding to the electrode sheets, and are fixed to the accommodating pads on the battery module. When there is space, the electrode sheet is electrically connected to the pad.

In order to achieve the above object, the present invention also discloses a vehicle frame, which is suitable for an electric vehicle and is used for installing at least one battery module. The battery module is provided with a set of connection parts, and the characteristics are that the vehicle frame includes:

A first beam set includes a first beam and a second beam, the first beam has a first recess, the first recess is provided with a first assembly, the second beam has a first Two recesses, the second recess is provided with a second assembly, the battery module is arranged between the first recess and the second recess, the assembly is connected with the first assembly, the second assembly engaged and secured; and

A second beam set straddles the first beam set.

In order to achieve the above object, the present invention discloses an electric vehicle chassis, suitable for an electric vehicle, comprising:

A battery module with a set of connecting parts;

A vehicle frame, comprising: a first beam set and a second beam set, the first beam set includes a first beam and a second beam, the first beam has a first recess, the first The recess is provided with a first assembly, the second beam has a second recess, the second recess is provided with a second assembly, the battery module is arranged between the first recess and the second recess, the The assembling part is joined and fixed with the first assembling part and the second assembling part; the second beam set straddles the first beam set;

a power system configured on the frame;

a suspension and steering system configured on the frame; and

A braking system is configured on the suspension and steering system and the vehicle frame.

In order to achieve the above object, the present invention discloses an electric vehicle, comprising:

A battery module with a set of connecting parts;

A vehicle frame, comprising: a first beam set and a second beam set, the first beam set includes a first beam and a second beam, the first beam has a first recess, the first The recess is provided with a first assembly, the second beam has a second recess, the second recess is provided with a second assembly, the battery module is arranged between the first recess and the second recess, the The assembling part is joined and fixed with the first assembling part and the second assembling part; the second beam set straddles the first beam set;

a power system configured on the frame;

A suspension and steering system, configured on the frame;

a brake system configured on the suspension and steering system and the frame, and

A body is configured on the frame.

Effect of the present invention is:

1. Lightweight - One-piece chassis/frame design with integrated battery modules: The chassis/frame for electric vehicles is designed in consideration of the strength requirements of the battery module and chassis/frame at the same time. The structural strength is not designed repeatedly to achieve weight reduction.

2. Maximization of battery space - under the condition of meeting the cabin space requirements, the battery creates the largest space between the front and rear axles of the chassis/frame.

The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

Description of drawings

FIG. 1 is a three-dimensional assembly diagram of an electric vehicle frame and a battery module in the prior art;

2 is a three-dimensional assembly view of the first embodiment of the vehicle frame and battery module of the present invention;

Fig. 3 is a sectional view of Fig. 2 along section line 3-3;

Fig. 4 is a cross-sectional view of the combination of the vehicle frame and the battery module in Fig. 3;

5 is a three-dimensional assembly view of the second embodiment of the vehicle frame and the battery module of the present invention;

Fig. 6 is a cross-sectional view along line 6-6 of Fig. 5;

Fig. 7 is a cross-sectional view of the frame of Fig. 6 combined with the battery module;

8 is a top view of a third embodiment of the vehicle frame and battery module of the present invention;

9 is a top view of a fourth embodiment of the vehicle frame and battery module of the present invention;

Figure 10 is a side view of an embodiment of the chassis of the present invention; and

Fig. 11 is a side view of an embodiment of the electric vehicle of the present invention.

Among them, reference signs

current technology

10 battery module

11 Frame

this invention

20a, 20b, 20c, 20d battery module

201b Transverse section

202b Longitudinal part

21 Assembly department

22 The first electrode piece

23 Second electrode piece

30 Frame

31 The first beam group

311 The first beam

3110 The first concave part

3111 The first accommodation space

3112 The first set of connectors

3113 The first pad

3114 Second pad

312 Second beam

3120 Second concave part

3121 Second storage space

3122 Second assembly

32 The second beam group

321 The third beam

3210 The third recess

3211 The third storage space

3212 The third set of connectors

322 The fourth beam

3220 The fourth recess

3221 The fourth storage space

3222 The fourth assembly

40 chassis

50 Powertrain

60 Suspension and steering system

70 Brake system

80 body

Detailed ways

The preferred embodiments of the present invention are described in detail below with reference to the drawings.

The electric vehicles referred to in the present invention include battery electric vehicles (Battery only Electric Vehicle, BEV), hybrid electric vehicles (HEV, Hybrid) or plug-in hybrid electric vehicles (Plug-in Hybrid Electric Vehicle, PHEV) ) and other vehicles exclusively or partially powered by batteries. In addition, the longitudinal direction in the various embodiments of the present invention is parallel to the preset traveling direction of the wheel, and the transverse direction is the direction perpendicular to the longitudinal direction and parallel to the traveling direction.

First, please refer to the three-dimensional assembly diagram of the first embodiment of the vehicle frame and the battery module of the present invention shown in FIG. 2 , the cross-sectional view along line 3-3 in FIG. 2 shown in FIG. A cross-sectional view of the combination of the vehicle frame and the battery module shown in FIG. 3 . The vehicle frame 30 of this embodiment is suitable for electric vehicles, and more than one battery module 20a can be installed in the concave portion of more than one beam member of the vehicle frame 30. The frame-shaped concave shape formed by the compressive strength. The above-mentioned battery module 20a is provided with a assembling part 21 for assembly, and the vehicle frame 30 includes:

A first beam group 31 and a second beam group 32 spanning the first beam group 31, the first beam group 31 includes a first beam 311 and a second beam 312, the first beam 31 has The first concave portion 3110 opening towards the direction of the second beam 312 or opposite to the second beam 312, the first concave portion 3110 is provided with a first assembly component 3112, and the first concave portion 3110 defines a first accommodating space 3111, The battery module 20a is disposed in the first accommodating space 3111 , and the first assembly member 3112 is engaged with the assembly portion 21 of the battery module 20a to fix the battery module 20a in the first accommodating space 3111 . The way of combining the battery module 20a with the first assembly part 3112 can use general knowledge in this technical field, such as buckle, fitting, pin connection, screw lock and other technical means.

It is worth mentioning that multiple battery modules can also be used, and they are respectively arranged in the first accommodation space 3111 of the first beam 31 and the accommodation spaces formed by the recesses of other beams.

Please refer to FIG. 5, which shows the three-dimensional assembly view of the second embodiment of the vehicle frame and the battery module of the present invention, FIG. 6, which shows the cross-sectional view of FIG. A cross-sectional view of the combination of the frame and the battery module. In this embodiment, except for the same parts as the above-mentioned first embodiment, on the premise that the opening direction of the first recess 3110 faces the second beam 312, the second beam 312 also has a direction facing the first beam. The second recess 3120 that is open to the part 311, the position of the second recess 3120 corresponds to the first recess 3110, the second recess 3120 is provided with a second assembly part 3122, the first recess 3110 and the second recess 3120 define a The second accommodating space 3121, and when assembling the battery module 20b, the battery module 20b is arranged in the second accommodating space 3121, and at the same time, the assembly part 21 of the battery module 20b is connected to the first assembly part 3112 and the second group The connectors 3122 are engaged to fix the battery module 20b in the second accommodating space 3121 .

In addition, the shape of the battery module 20b can be H-shaped, that is, the structure of the battery module 20b can be composed of two transverse parts 201b and a vertical part 202b. After the battery module 20b is fixed in the second accommodating space 3121, the seat (not shown in the figure) can be designed to be located above the transverse portion 201b, and the footrest of the rear passenger can be designed to be located between the two transverse portions 201b (as shown in FIG. 5), so that the entire body can be avoided from becoming high.

Please refer to FIG. 8 , which is a top view of a third embodiment of the vehicle frame and the battery module of the present invention. In this embodiment, the second beam set 32 includes a third beam 321 and a fourth beam 322, the third beam 321 has a third recess 3210 opening toward the fourth beam 322, the third recess 3210 is provided with a third assembly member 3212, the first recess 3110, the second recess 3120 and the third recess 3210 define a third accommodating space 3211, and the battery module 20c is arranged in the third accommodating space 3211 And the battery module 20c is fixed in the third accommodating space 3211 by connecting the assembly part 21 of the battery module 20c with the first assembly part 3112 , the second assembly part 3122 and the third assembly part 3212 .

Please refer to FIG. 9 again, which is a top view of the fourth embodiment of the vehicle frame and the battery module of the present invention. This embodiment continues the previous embodiment, and further, the fourth beam 322 has a fourth recess 3220 open toward the third beam, the fourth recess 3220 is provided with a fourth assembly 3222, the first recess 3110, the second recess 3120, the third recess 3210 and the fourth recess 3220 define a fourth accommodating space 3221, so that the battery module 20d is disposed in the fourth accommodating space 3221, and the assembly part 21 and The first assembly part 3112 , the second assembly part 3122 , the third assembly part 3212 and the fourth assembly part 3222 are engaged to fix the battery module 20d in the fourth accommodating space 3221 .

In each of the above-mentioned embodiments, the first beam group 31 is a longitudinal beam, and the second beam group 32 is a beam; stringer.

Further, in each of the above-mentioned embodiments, the battery modules 20a, 20b, 20c, 20d may further include a first electrode sheet 22 and a second electrode sheet 23, and the first assembly member 3112 (of course, may also be provided on the second electrode sheet The assembly part 3122, the third assembly part 3212 or the fourth assembly part 3222) has a first pad 3113 and a second pad 3114 respectively corresponding to the first electrode sheet 22 and the second electrode sheet 23, And when the battery modules 20a, 20b, 20c, 20d are fixed in the first accommodating space 3111, the second accommodating space 3121, the third accommodating space 3211 or the fourth accommodating space 3221, the battery modules 20a, 20b, 20c , when the connecting part 21 of 20d is connected to the first connecting part 3112, the second connecting part 3122, the third connecting part 3212 or the fourth connecting part 3222, the first electrode piece 22 and the first connecting part The pad 3113 is electrically connected, and the second electrode sheet 23 is electrically connected to the second pad 3114 (see FIG. 3, FIG. 4 or FIG. 6, FIG. 7).

FIG. 10 shows a side view of an embodiment of the chassis of the present invention. For convenience of description, FIG. 10 is only a structural schematic diagram. The chassis 40 of this embodiment is suitable for an electric vehicle, including: a battery module 20b with a joint portion 21; a vehicle frame 30, including: a first beam set 31, including a first beam 311 and a The second beam 312, the first beam 311 has a first recess 3110, the first recess 3110 is provided with a first assembly 3112, the second beam 312 has a second recess 3120, the second recess 3120 is provided with a first Two assembly parts 3122, the battery module 20b is disposed between the first recess 3110 and the second recess 3120, the assembly part 21 of the battery module 20b is in contact with the first assembly part 3112 and the second assembly part 3122 joint; and a second beam set 32 spanning the first beam set 31 (as shown in FIG. 6 and FIG. 7 ). Please refer to FIG. 10 again, a power system 50 is configured on the vehicle frame 30 . A suspension and steering system 60 is configured on the vehicle frame 30 . A brake system 70 is configured on the suspension and steering system 60 and the vehicle frame 30 .

FIG. 11 shows a side view of an embodiment of the electric vehicle of the present invention. The electric vehicle of this embodiment includes: a battery module 20b with a joint portion 21; a vehicle frame 30, including: a first beam set 31, including a first beam 311 and a second beam 312, the second A beam 311 has a first recess 3110, the first recess 3110 is provided with a first assembly 3112, the second beam 312 has a second recess 3120, the second recess 3120 is provided with a second assembly 3122, the battery The module 20b is disposed between the first recess 3110 and the second recess 3120, the assembly part 21 of the battery module 20b engages with the first assembly 3112 and the second assembly 3122; The second beam set 32 of the first beam set 31 . A power system 50 is configured on the frame 30 . A suspension and steering system 60 is configured on the vehicle frame 30 . A brake system 70 is configured on the suspension and steering system 60 and the vehicle frame 30 . A body 80 is disposed on the frame 30 .

The feature of the present invention is that it integrates the integrated chassis/frame design of the battery module: the special chassis/frame of the electric vehicle is designed considering the strength requirements of the battery module and the chassis/frame at the same time, and the structural strength is not repeatedly designed to achieve weight reduction Lightweight demands. And because the battery creates the largest space between the front and rear axles of the chassis/frame, it can meet the demands of maximizing the battery space.

Certainly, the present invention also can have other multiple embodiments, without departing from the spirit and essence of the present invention, those skilled in the art can make various corresponding changes and deformations according to the present invention, but these corresponding Changes and deformations should belong to the scope of protection of the appended claims of the present invention.

Claims (10)

1. a vehicle frame is applicable to an elec. vehicle, and supplies at least one battery module installing, and this battery module is provided with a group connecting part, it is characterized in that, this vehicle frame comprises:

One first beam group; Comprise one first beam spare and one second beam spare; This first beam spare has the first open recess, and this first recess is provided with one first connecting piece, and this first recess forms one first accommodation space; So that this battery module is arranged at this first accommodation space, and utilize this group connecting part to engage fixing with this first connecting piece; And

One second beam group, cross-over connection is in this first beam group.

2. vehicle frame according to claim 1; It is characterized in that this first recess is open towards this second beam spare, this second beam spare has one towards the second open recess of this first beam spare; This second recess is provided with one second connecting piece; This first recess and this second recess define one second accommodation space, so that this battery module is arranged at this second accommodation space, and engage fixing with this group connecting part with this first connecting piece and this second connecting piece.

3. vehicle frame according to claim 2; It is characterized in that; This second beam group comprises one the 3rd beam spare and one the 4th beam spare; The 3rd beam spare has towards one the 3rd open recess of the 4th beam spare, and the 3rd recess is provided with one the 3rd connecting piece, and this first recess, this second recess and the 3rd recess define one the 3rd accommodation space; So that this battery module is arranged at the 3rd accommodation space, and engage fixing with this first connecting piece, this second connecting piece and the 3rd connecting piece with this group connecting part.

4. vehicle frame according to claim 3; It is characterized in that; The 4th beam spare has towards one the 4th open recess of the 3rd beam spare, and the 4th recess is provided with one the 4th connecting piece, and this first recess, this second recess, the 3rd recess and the 4th recess define one the 4th accommodation space; So that this battery module is arranged at the 4th accommodation space, and engage fixing with first connecting piece, this second connecting piece, the 3rd connecting piece and the 4th connecting piece with this group connecting part.

5. according to any described vehicle frame in the claim 1 to 4, it is characterized in that this first beam group is a longeron, this second beam group is a crossbeam.

6. according to any described vehicle frame in the claim 1 to 4; It is characterized in that; This battery module also comprises one first electrode slice and one second electrode slice, and this first connecting piece has one first connection pad and one second connection pad that corresponds respectively to this first electrode slice, this second electrode slice, and when this group connecting part of this battery module is connected in this first connecting piece; This first electrode slice and this first connection pad form and electrically connect, and this second electrode slice and this second connection pad form and electrically connect.

7. a vehicle frame is applicable to an elec. vehicle, and supplies at least one battery module installing, and this battery module is provided with a group connecting part, it is characterized in that, this vehicle frame comprises:

One first beam group; Comprise one first beam spare and one second beam spare, this first beam spare has one first recess, and this first recess is provided with one first connecting piece; This second beam spare has one second recess; This second recess is provided with one second connecting piece, and this battery module is arranged between this first recess and this second recess, and this group connecting part engages fixing with this first connecting piece, this second connecting piece; And

One second beam group, cross-over connection is in this first beam group.

8. vehicle frame according to claim 7 is characterized in that, the structure of this battery module is for comprising two lateral parts and a longitudinal component.

9. a chassis is applicable to an elec. vehicle, it is characterized in that, this chassis comprises:

One battery module has a group connecting part;

One vehicle frame comprises: one first beam group, one second beam group, and this first beam group comprises one first beam spare and one second beam spare; This first beam spare has one first recess; This first recess is provided with one first connecting piece, and this second beam spare has one second recess, and this second recess is provided with one second connecting piece; This battery module is arranged between this first recess and this second recess, and this group connecting part engages fixing with this first connecting piece, this second connecting piece; This second beam group cross-over connection is in this first beam group;

One power system is disposed on this vehicle frame;

One suspention and steering swivel system is disposed at this vehicle frame; And

One brake system is disposed on this suspention and steering swivel system and this vehicle frame.

10. an elec. vehicle is characterized in that, comprises:

One battery module has a group connecting part;

One vehicle frame comprises: one first beam group, one second beam group, and this first beam group comprises one first beam spare and one second beam spare; This first beam spare has one first recess; This first recess is provided with one first connecting piece, and this second beam spare has one second recess, and this second recess is provided with one second connecting piece; This battery module is arranged between this first recess and this second recess, and this group connecting part engages fixing with this first connecting piece, this second connecting piece; This second beam group cross-over connection is in this first beam group;

One power system is disposed on this vehicle frame;

One suspention and steering swivel system is disposed at this vehicle frame;

One brake system is disposed on this suspention and steering swivel system and this vehicle frame, and

One vehicle body is disposed on this vehicle frame.

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