CN221009113U - Battery pack - Google Patents

Abstract

The utility model discloses a battery pack, which comprises: comprising the following steps: a battery module; the battery pack comprises two mounting brackets, wherein the two mounting brackets are respectively connected to two sides of the battery module in the first direction in the horizontal plane, each mounting bracket comprises a first mounting plate which extends horizontally, one end of each first mounting plate in the first direction extends to the lower side of the battery module to support the battery module, and a first mounting hole for mounting the battery pack is formed in the other end of each first mounting plate in the first direction. According to the battery pack, the two mounting brackets are used for supporting the battery module, so that the battery pack is fixedly mounted, the mounting structure of the battery pack can be simplified, the weight of the battery pack is reduced, and the cost is reduced.

Description

Battery pack

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery pack.

Background

In a conventional PACK design, in order to facilitate disassembly and replacement and achieve standardization, a standard module is generally designed for PACK grouping design. In the related art, the battery PACK is generally designed to be a group scheme by adopting a plurality of smaller standard modules and a tray frame structure, so that the structure is complex, and the PACK cost is increased.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model aims to provide a battery pack, which can simplify the installation structure of the battery pack, lighten the weight of the battery pack and reduce the cost.

The battery pack according to the present utility model includes: a battery module; the battery pack comprises two mounting brackets, wherein the two mounting brackets are respectively connected to two sides of the battery module in the first direction in the horizontal plane, each mounting bracket comprises a first mounting plate which extends horizontally, one end of each first mounting plate in the first direction extends to the lower side of the battery module to support the battery module, and a first mounting hole for mounting the battery pack is formed in the other end of each first mounting plate in the first direction.

According to the battery pack, the two mounting brackets are used for supporting the battery module, so that the battery pack is fixedly mounted, the mounting structure of the battery pack can be simplified, the weight of the battery pack is reduced, and the cost is reduced.

In some embodiments, the first mounting plate comprises: a support plate part which is a horizontal plate and is supported at the lower side of the battery module; the one end of bending portion is connected keep away from of backup pad portion battery module's one end, the other end of bending portion upwards extends or upwards is towards keeping away from battery module's direction slope extends, connecting plate portion connects bending portion's upper end and along the horizontal direction deviate from backup pad portion extends, first mounting hole form in connecting plate portion.

In some embodiments, the lower side surface of the battery module is formed with two avoidance grooves, the two avoidance grooves are respectively formed at two ends of the battery module in the first direction, the two avoidance grooves respectively penetrate through the two side edges of the battery module in the first direction along the first direction, the support plate part is matched in the avoidance grooves, and the lower side surface of the plate part is flush with the lower side surface of the battery module.

In some embodiments, in the first direction, a lap width of the support plate portion and the battery module in the first direction is 100mm or more.

In some embodiments, the mounting bracket further comprises a second mounting plate coupled to the first mounting plate, the second mounting plate comprising: a horizontal portion which is arranged in a stacked manner on the upper side of the other end of the first mounting plate, and in which a second mounting hole is formed, the second mounting hole being vertically opposite to the first mounting hole; the lower end of the vertical portion is connected with one side, facing the battery module, of the horizontal portion, and the upper end of the horizontal portion extends upwards to the upper end of the battery module and is fixedly connected with the battery module.

In some embodiments, the battery module is formed with first flanges at both side edges in the first direction, the first flanges being formed at the upper end of the battery module and extending away from the battery module in the first direction; the upper end of vertical portion is formed with first hem, first hem border first direction orientation battery module extends, first hem with first hem stacks up and down and arranges and fixed connection.

In some embodiments, the first flange is located at the lower side of the first flange, a second flange extending downwards along the vertical direction is formed at one end of the first flange facing the battery module, and the second flange abuts against the side surface of the battery module in the first direction.

In some embodiments, the battery pack further comprises: the reinforcing plate is arranged on the upper side of the battery module, two ends of the reinforcing plate in the second direction are respectively connected with two side edges of the battery module in the second direction, and the second direction is perpendicular to the first direction.

In some embodiments, the number of the battery modules is two, the two battery modules are arranged in the first direction, the two mounting brackets are respectively arranged at two sides of the two battery modules, and the battery pack further comprises: the battery module comprises a battery module, a first connecting plate and a second connecting plate, wherein the first connecting plate is arranged on the upper side of the battery module and connected between the two battery modules, and the second connecting plate is arranged on the lower side of the battery module and connected between the two battery modules.

In some embodiments, the second web extends along an up-and-down undulating curve and/or fold line in a second direction perpendicular to the first direction.

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 view of a battery pack according to an embodiment of the present utility model;

Fig. 2 is an exploded view of the battery pack shown in fig. 1;

FIG. 3 is a schematic view of one of the mounting brackets and ipsilateral stiffener shown in FIG. 1;

FIG. 4 is a schematic view of another mounting bracket and ipsilateral stiffener shown in FIG. 1;

FIG. 5 is an exploded view of the mounting bracket shown in FIG. 4;

FIG. 6 is a schematic view of the first connection plate shown in FIG. 1;

fig. 7 is a schematic view of the second connection plate shown in fig. 1.

Reference numerals:

100. A battery pack;

10. A battery module; 11. a first flanging; 12. a water cooling plate;

20. a mounting bracket;

21. a first mounting plate;

211. a support plate portion; 212. a connection plate portion; 2121. a first mounting hole; 213. a bending part;

22. A second mounting plate;

221. A horizontal portion; 2211. a second mounting hole;

222. A vertical portion; 223. a first hem; 224. a second flanging;

30. A reinforcing plate;

40. A first connection plate;

50. and a second connecting plate.

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.

A battery pack 100 according to an embodiment of the first aspect of the present utility model is described below with reference to fig. 1 to 7.

As shown in fig. 1, a battery pack 100 according to an embodiment of the first aspect of the present utility model includes: a battery module 10 and a mounting bracket 20.

Specifically, the number of the mounting brackets 20 is two, and the two mounting brackets 20 are respectively connected to both sides of the battery module 10 in a first direction (e.g., a left-right direction shown in fig. 1) in a horizontal plane, the mounting brackets 20 include a first mounting plate 21 extending horizontally, one end of the first mounting plate 21 in the first direction (e.g., a right end of the first mounting plate 21 located at the left side of the battery pack 100 shown in fig. 2) extends to the lower side of the battery module 10 to support the battery module 10, and the other end of the first mounting plate 21 in the first direction (e.g., a left end of the first mounting plate 21 located at the left side of the battery pack 100 shown in fig. 1) is formed with a first mounting hole 2121 for mounting the battery pack 100.

As shown in fig. 1, two mounting brackets 20 are provided at the left and right sides of the battery module 10, respectively, and are supported at the lower sides of the left and right ends of the battery module 10, that is, the battery module 10 is supported by the two mounting brackets 20 and is mounted and fixed to the vehicle body by the two mounting brackets 20. Thus, the battery pack 100 can be assembled and installed only by the two mounting brackets 20, the mounting structure of the battery pack 100 is simplified, the weight of the battery pack 100 is reduced, and the cost is reduced. Compared with the technical scheme of arranging the frame and the tray in the prior art, the application only adopts two mounting bracket 20 structures, and cancels the two-box middle beam structure of the front and rear frames of the battery pack 100, so that the structure of the battery pack 100 is simpler, the cost is lower, and the space occupation is smaller.

According to the battery pack 100 of the embodiment of the utility model, the two mounting brackets 20 are arranged for supporting the battery module 10, so that the battery pack 100 is fixedly mounted, and therefore, the mounting structure of the battery pack 100 can be simplified, the weight of the battery pack 100 can be reduced, and the cost can be reduced.

In one embodiment of the present utility model, as shown in fig. 4 and 5, the first mounting plate 21 includes a support plate portion 211, a connection plate portion 212, and a bent portion 213, the support plate portion 211 being a horizontal plate and supported at the lower side of the battery module 10, the bent portion 213 being connected at one end of the support plate portion 211 remote from the battery module 10 and extending upward or extending obliquely upward toward a direction remote from the battery module 10, the connection plate portion 212 being connected at an upper end of the bent portion 213 and extending away from the support plate portion 211 in a horizontal direction, wherein both ends of the bent portion 213 are connected with the support plate portion 211 and the connection plate portion 212 in an arc, respectively.

According to the embodiment, the bending part 213 is arranged at the middle part of the first mounting plate 21, the strength of the first mounting plate 21 can be enhanced, the reliability of supporting the battery module 10 is improved, the position of the connecting plate part 212 can be higher than that of the supporting plate part 211, the first mounting plate 21 is enabled to adapt to the shape of the battery module 10, the avoidance space is conveniently vacated at the lower side of the connecting plate part 212, and the assembly and avoidance of the fastening piece are facilitated.

Further, the first mounting holes 2121 vertically penetrate the connecting plate portion 212, the number of the first mounting holes 2121 is plural, and the plurality of first mounting holes 2121 are arranged at intervals in a second direction perpendicular to the first direction in a horizontal plane.

In some embodiments of the present utility model, as shown in fig. 1, two avoidance grooves are formed on the lower surface of the battery module 10, the two avoidance grooves are formed at both ends of the battery module 10 in the first direction, the two avoidance grooves penetrate through both side edges of the battery module 10 in the first direction, respectively, and the two avoidance grooves penetrate through both end edges of the battery module 10 in the second direction, respectively, the support plate portion 211 of the first mounting plate 21 is fitted in the avoidance grooves, and the lower surface of the support plate portion 211 of the first mounting plate 21 is substantially flush with the lower surface of the battery module 10, or the lower surface of the support plate portion 211 of the first mounting plate 21 is flush with the lower surface of the battery module 10. Thereby, space occupation can be saved.

In some embodiments of the present utility model, as shown in fig. 1, 4 and 5, the overlap width of the first mounting plate 21 and the battery module 10 in the first direction is 100mm or more. As shown in fig. 5, the width of the support plate portion 211 of the first mounting plate 21 in the first direction is 100mm or more. Further, the overlap width of the first mounting plate 21 and the battery module 10 in the first direction is 120mm or more.

For example, the width of the support plate portion 211 of the first mounting plate 21 in the first direction may be 110mm, 120mm, 130mm, 140mm, 150mm, 160mm, 170mm, 180mm, 190mm, 200mm, 210mm, or the like.

In one embodiment of the present utility model, as shown in fig. 1, 3 and 4, the mounting bracket 20 further includes a second mounting plate 22, the second mounting plate 22 is connected to the first mounting plate 21, and the second mounting plate 22 includes: a horizontal portion 221 and a vertical portion 222, the horizontal portion 221 being a horizontal plate. The lower end of the vertical part 222 is connected to a side of the horizontal part 221 facing the battery module 10 (e.g., the right end of the horizontal part 221 shown in fig. 3), and the upper end of the horizontal part 221 extends upward to the upper end of the battery module 10 and is fixedly connected to the battery module 10.

As shown in fig. 3, the horizontal portion 221 is connected to the vertical portion 222 in an L-shape. The vertically extending vertical portion 222 may cover the side wall of the battery module 10 in the first direction, so as to protect the side wall of the battery module 10, and meanwhile, the upper end of the vertical portion 222 extends to be connected with the upper end of the battery module 10, so that the upper and lower ends of the mounting bracket 20 may be connected with the upper and lower ends of the battery module 10, thereby not only improving the structural strength of the mounting bracket 20, but also improving the reliability of the fixed connection between the mounting bracket 20 and the battery module 10.

Further, the horizontal portion 221 is arranged in a stacked manner on the upper side of the other end of the first mounting plate 21 (for example, the left end of the first mounting plate 21 shown in fig. 3), for example, the horizontal portion 221 is arranged in a stacked manner on the upper side of the connection plate portion 212, and when the battery pack 100 is mounted, the horizontal portion 221 and the connection plate portion 212 are arranged in a stacked manner, so that the structural strength of the portion of the mounting bracket 20 connected to the vehicle body can be improved, and the reliability of the connection of the mounting bracket 20 to the vehicle body can be ensured.

The horizontal portion 221 is formed with a second mounting hole 2211, and the second mounting hole 2211 is vertically opposite to the first mounting hole 2121; in this way, the first mounting hole 2121 and the second mounting hole 2211 may cooperate to define a mounting hole for mounting the battery pack 100, and a fastener may sequentially pass through the first mounting hole 2121 and the second mounting hole 2211 to be fixedly connected with the vehicle body, so as to fix the mounting bracket 20 to the vehicle body.

According to some embodiments of the present utility model, as shown in fig. 2 and 3, the battery module 10 is formed at both side edges thereof in the first direction with first beads 11, the first beads 11 being formed at the upper end of the battery module 10 and extending away from the battery module 10 in the first direction; the upper end of the vertical portion 222 is formed with a first flange 223, the first flange 223 extends toward the battery module 10 in a first direction, and the first flange 223 and the first flange 11 are vertically stacked and fixedly connected. By forming the first flange 11 on the battery module 10 and forming the first flange 223 on the second mounting plate 22, the connection area between the second mounting plate 22 and the battery module 10 can be increased by laminating and fixing the first flange 11 and the first flange 223, and the reliability of the fixed connection can be enhanced.

According to some embodiments of the present utility model, as shown in fig. 2 and 3, the first flange 223 is positioned at the lower side of the first flange 11 such that the first flange 223 can support the first flange 11 upward to achieve upward support of the battery module 10.

Further, an end of the first flange 223 facing the battery module 10 (e.g., a right end of the first flange 223 shown in fig. 3) is formed with a second flange 224 extending vertically downward, and the second flange 224 abuts against a side surface of the battery module 10 in the first direction. Thus, in the process of assembling the mounting bracket 20 and the battery module 10, the second flange 224 can position the mounting bracket 20, so that the assembly efficiency is improved, the connection area between the second mounting plate 22 and the battery module 10 can be increased through the second flange 224, and the connection structural strength is improved.

According to some embodiments of the present utility model, as shown in fig. 2 and 3, the battery pack 100 may further include: and a reinforcing plate 30, the reinforcing plate 30 being provided at an upper side of the battery module 10, both ends of the reinforcing plate 30 in a second direction (e.g., front and rear ends of the reinforcing plate 30 shown in fig. 2) being respectively connected to both side edges of the battery module 10 in the second direction (e.g., front and rear side edges of the battery module 10 shown in fig. 2), the second direction being perpendicular to the first direction. The present embodiment can strengthen the structural strength of the battery pack 100 by providing the reinforcing plate 30.

As shown in fig. 2, the battery module 10 includes a module frame, a plurality of battery cells and a water cooling plate 12, the battery cells are stacked and arranged in the module frame, the water cooling plate 12 is covered on the upper sides of the battery cells, a reinforcing plate 30 is arranged on the upper side of the water cooling plate 12, the reinforcing plate 30 extends along the front and back direction, one side of the reinforcing plate 30 in the left and right direction is adhered and fixed with the edge of the module frame, and the edge of the other side of the reinforcing plate 30 extends to the upper side surface of the water cooling plate 12 and is fixedly connected with the water cooling plate 12. The reinforcing plate 30 can cover and protect the position of the water cooling plate 12 facing the edge of the module frame, enhance the structural strength of the edge position of the water cooling plate 12, and improve the reliability of the battery pack 100.

According to some embodiments of the present utility model, as shown in fig. 2 and 3, one side edge of the reinforcing plate 30 in the first direction is flush with one side edge of the battery module 10 in the first direction. Like this, not only can guarantee the area of connection between stiffening plate 30 and the battery module 10, guarantee the structural strength of connection, can also avoid stiffening plate 30 to stretch out battery module 10, avoid stiffening plate 30 to occupy extra space, compact structure.

In some embodiments of the present utility model, the number of the battery modules 10 may be one, and in this case, the battery pack 100 may further include two mounting brackets 20 and two reinforcing plates 30, the two mounting brackets 20 are respectively disposed at the left and right ends of the battery module 10, and the two reinforcing plates 30 are disposed at the upper side of the battery module 10 and are respectively disposed at the left and right ends of the battery module 10 and fixedly connected with the battery module 10.

In other embodiments, the number of the battery modules 10 may be plural, the plural battery modules 10 are sequentially arranged and connected from side to side, and the two mounting brackets 20 are respectively disposed on the left and right sides of the plural battery modules 10 to support, fix and connect the plural battery modules 10.

In some embodiments of the present utility model, as shown in fig. 2 and 3, the number of the battery modules 10 is two, the two battery modules 10 are arranged in the first direction, the two mounting brackets 20 are respectively provided at both sides of the two battery modules 10, and the battery pack 100 may further include: the first connection plate 40 and the second connection plate 50, the first connection plate 40 is disposed at the upper side of the battery modules 10, and the first connection plate 40 is connected between the two battery modules 10, the second connection plate 50 is disposed at the lower side of the battery modules 10, and the second connection plate 50 is connected between the two battery modules 10.

That is, the first connection plate 40 and the second connection plate 50 are provided at the upper and lower sides of the battery modules 10, respectively, for connecting the upper and lower side surfaces of the adjacent two battery modules 10, respectively. In this embodiment, by providing the first connecting plate 40 and the second connecting plate 50, connection between two adjacent battery cells can be achieved by using the first connecting plate 40 and the second connecting plate 50, and the first connecting plate 40 and the second connecting plate 50 are respectively disposed on the upper side and the lower side, so that connection reliability and stability between two adjacent battery modules 10 can be improved, and overall structural strength of the battery pack 100 is ensured.

In some embodiments, as shown in fig. 1 and 2, the first and second connection plates 40 and 50 each extend from one end to the other end of the battery module 10 in a second direction (e.g., the front-rear direction shown in fig. 1), which is perpendicular to the first direction. Specifically, the front end of the first connection plate 40 is flush with the front side edge of the battery module 10, the rear end of the first connection plate 40 is flush with the rear side edge of the battery module 10, the front end of the second connection plate 50 is flush with the front side edge of the battery module 10, and the rear end of the second connection plate 50 is flush with the rear side edge of the battery module 10. Thereby, the connection strength between the battery modules 10 is further improved, while also avoiding additional space occupation by the first and second connection plates 40 and 50 protruding out of the battery modules 10.

In some embodiments of the present utility model, as shown in fig. 2 and 7, the second web 50 extends along an up-and-down undulating curve and/or fold line in a second direction perpendicular to the first direction. Thereby, the structural strength of the second connection plate 50 can be further improved, the connection reliability of the second connection plate 50 between the adjacent battery modules 10 can be improved, the reliability of the second connection plate 50 supporting the battery modules 10 can be improved, and the overall structural strength of the battery pack 100 can be further enhanced.

For example, the second connection plate 50 is formed as a corrugated plate.

In some embodiments of the present utility model, the mounting bracket 20 is a metal piece, the stiffener 30 is a metal piece, the first connection plate 40 is a metal piece, and the second connection plate 50 is a metal piece. Thereby improving the overall structural strength of the battery pack 100.

In some embodiments of the present utility model, the mounting bracket 20 is adhesively connected to the battery module 10, the reinforcing plate 30 is adhesively connected to the battery module 10, and the first and second connection plates 40 and 50 are adhesively connected to the battery module 10.

In some embodiments of the present utility model, the battery module 10 is in the form of a standard pack.

A battery pack 100 according to an embodiment of the present utility model will be described below with reference to fig. 1 to 7.

Referring to fig. 1, a battery pack 100 is composed of two standard packs of battery modules 10, two mounting brackets 20, two reinforcing plates 30, a first connection plate 40, and a second connection plate 50 bonded. The left and right sides of the battery module 10 are provided with mounting brackets 20 which are matched with the whole car for hoisting, and the front and rear sides of the battery module 10 are of an open structure.

Specifically, as shown in fig. 2, the two reinforcing plates 30 are respectively bonded to the upper frames of the standard pack, and the first connecting plate 40 is positioned at the middle of the upper layer of the entire battery pack 100 and is respectively bonded to the upper frames of the two standard packs, so that the upper frames of the two standard packs are integrated. The support plate parts 211 of the two mounting brackets 20 are respectively adhered to the lower side surfaces of the two standard bags, and the first flanges 223 of the two mounting brackets 20 are respectively adhered to the first flanges 11 of the standard bags; the second connection plate 50 is connected to the middle position of the bottom of the battery pack 100, and the second connection plate 50 is corrugated and is respectively bonded to the bottoms of the two standard packs, so that the lower surfaces of the two standard packs are connected into a whole.

As shown in fig. 3, the mounting bracket 20 is a sheet metal bracket structure, and mainly consists of two parts, namely a first mounting plate 21 and a second mounting plate 22. The connection plate portion 212 of the first mounting plate 21 is integrally connected to the horizontal portion 221 of the second mounting plate 22 by welding, bonding or bolting, the support plate portion 211 of the first mounting plate 21 is connected to the lower side surface of the battery module 10 by bonding, and the first flange 223 and the second flange 224 of the second support plate are connected to the first flange 11 of the battery module 10 by bonding.

The battery pack 100 of this embodiment, through the connection of the installing support 20, the reinforcing plate 30, the first connecting plate 40 and the second connecting plate 50 with the standard pack, makes the standard pack become an organic whole with the installing support 20, the reinforcing plate 30, the first connecting plate 40 and the second connecting plate 50 for whole pack has three-layer structure, forms similar "sandwich" structure, and this scheme can simplify pack structure when improving bulk strength.

According to the battery pack 100 provided by the embodiment of the utility model, a very simple battery pack 100 assembly structure is adopted, and through the mode, the standard pack and the metal frame are integrated, so that the structural rigidity of the system can be increased, front and rear frame beam and middle beam structures are eliminated, and the pack material cost is reduced.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; the device can be mechanically connected, electrically connected and communicated; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. 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 the specific circumstances.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A battery pack, comprising:

A battery module;

The battery pack comprises two mounting brackets, wherein the two mounting brackets are respectively connected to two sides of the battery module in the first direction in the horizontal plane, each mounting bracket comprises a first mounting plate which extends horizontally, one end of each first mounting plate in the first direction extends to the lower side of the battery module to support the battery module, and a first mounting hole for mounting the battery pack is formed in the other end of each first mounting plate in the first direction.

2. The battery pack of claim 1, wherein the first mounting plate comprises:

a support plate part which is a horizontal plate and is supported at the lower side of the battery module;

A bending part, one end of which is connected with one end of the supporting plate part far away from the battery module, the other end of which extends upwards or extends obliquely upwards towards the direction far away from the battery module,

The connecting plate part is connected with the upper end of the bending part and extends away from the supporting plate part along the horizontal direction, and the first mounting hole is formed in the connecting plate part.

3. The battery pack according to claim 2, wherein two avoidance grooves are formed on the lower side surface of the battery module, the two avoidance grooves are formed at two ends of the battery module in the first direction respectively, the two avoidance grooves penetrate through two side edges of the battery module in the first direction respectively along the first direction, the support plate portion is matched in the avoidance grooves, and the lower side surface of the plate portion is flush with the lower side surface of the battery module.

4. The battery pack according to claim 2, wherein a lap width of the support plate portion and the battery module in the first direction is 100mm or more in the first direction.

5. The battery pack of claim 1, wherein the mounting bracket further comprises a second mounting plate coupled to the first mounting plate, the second mounting plate comprising:

A horizontal portion which is arranged in a stacked manner on the upper side of the other end of the first mounting plate, and in which a second mounting hole is formed, the second mounting hole being vertically opposite to the first mounting hole;

The lower end of the vertical portion is connected with one side, facing the battery module, of the horizontal portion, and the upper end of the horizontal portion extends upwards to the upper end of the battery module and is fixedly connected with the battery module.

6. The battery pack according to claim 5, wherein the battery module is formed with first burring at both side edges in the first direction, the first burring being formed at an upper end of the battery module and extending away from the battery module in the first direction;

The upper end of vertical portion is formed with first hem, first hem border first direction orientation battery module extends, first hem with first hem stacks up and down and arranges and fixed connection.

7. The battery pack according to claim 6, wherein the first flange is located at a lower side of the first flange, and one end of the first flange facing the battery module is formed with a second flange extending vertically downward, the second flange abutting against a side surface of the battery module in the first direction.

8. The battery pack according to any one of claims 1 to 7, further comprising: the reinforcing plate is arranged on the upper side of the battery module, two ends of the reinforcing plate in the second direction are respectively connected with two side edges of the battery module in the second direction, and the second direction is perpendicular to the first direction.

9. The battery pack according to claim 1, wherein the number of the battery modules is two, the two battery modules are arranged in the first direction, the two mounting brackets are provided at both sides of the two battery modules, respectively,

The battery pack further includes: the battery module comprises a battery module, a first connecting plate and a second connecting plate, wherein the first connecting plate is arranged on the upper side of the battery module and connected between the two battery modules, and the second connecting plate is arranged on the lower side of the battery module and connected between the two battery modules.

10. The battery pack of claim 9, wherein the second web extends along an up-and-down undulating curve and/or fold line in a second direction perpendicular to the first direction.