CN218896747U

CN218896747U - Battery pack for vehicle and commercial vehicle

Info

Publication number: CN218896747U
Application number: CN202223320457.XU
Authority: CN
Inventors: 王铄; 杨聪; 李振; 李广俊
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-04-21
Anticipated expiration: 2032-12-09

Abstract

The utility model discloses a battery pack of a vehicle and a commercial vehicle, wherein the battery pack comprises: the box body is internally provided with an accommodating space; the battery module is arranged in the accommodating space; the battery module is arranged between the first inner face and the second inner face so as to limit the movement of the battery module. According to the utility model, the movement of the battery module is limited by utilizing the inner surface of the box body, so that the space of the end plate is saved, the space utilization rate is improved, and the endurance mileage of the vehicle is improved.

Description

Battery pack for vehicle and commercial vehicle

Technical Field

The utility model relates to the technical field of commercial vehicles, in particular to a battery pack of a vehicle and a commercial vehicle.

Background

In the related art, a plurality of battery modules are usually arranged in a standard box of a commercial vehicle, end plates for fixing the battery modules are arranged around each battery module, a large number of end plates occupy more space in the box, space waste is caused, and the cruising mileage of the vehicle is finally shortened.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides the battery pack of the vehicle, optimizes the end plate in the related technology, improves the space utilization rate and increases the endurance mileage of the vehicle.

The utility model also provides a commercial vehicle applying the battery, and the performance is improved.

According to an embodiment of the present utility model, a battery pack includes: the box body is internally provided with an accommodating space; the battery module is arranged in the accommodating space; the battery module is arranged between the first inner face and the second inner face so as to limit the movement of the battery module.

According to the battery pack of the vehicle, disclosed by the embodiment of the utility model, the movement of the battery module is limited by utilizing the inner surface of the box body, so that the space of the end plate is saved, the space utilization rate is improved, and the cruising mileage of the vehicle is improved.

In some embodiments, the case comprises a standard C case, and the battery module comprises a plurality of blade cells having a length of 480mm L540 mm.

In some embodiments, the battery pack further comprises: the fastening piece and the inner face of the box body jointly define a fastening space, and the battery module is arranged in the fastening space so as to limit the movement of the battery module in the first direction.

In some embodiments, the battery pack further comprises: and the limiting plates are at least two, and at least two limiting plates are arranged on two sides of the battery module in the second direction so as to limit the movement of the battery module in the second direction.

In some embodiments, the fastening piece is provided with a connecting piece, the limiting plate is provided with a through hole corresponding to the connecting piece, and the connecting piece is arranged in the through hole in a penetrating way and is connected with the box body.

In some embodiments, the battery pack further comprises: and the temperature adjusting piece is arranged between the fastening piece and the battery module.

In some embodiments, the case comprises: a main body; and the base is connected with the main body to define the accommodating space, and the base and the fastening piece jointly define the fastening space.

In some embodiments, the body comprises a panel, the space between the panel and the limiting plate proximate the panel is provided with a battery management device; the battery module is provided with a CCS acquisition device, a removal part is arranged on the limiting plate close to the mounting plate, a port of the CSS acquisition device is arranged on the removal part, and the port is connected with the battery management device.

In some embodiments, the battery module is provided with a first port and a second port, the first port and the second port are diagonally arranged, the mounting plate is provided with a first external port and a second external port, a first copper bar is arranged between the first external port and the first port, and a second copper bar is arranged between the second external port and the ports; and a fuse box is arranged on the first copper bar.

The commercial vehicle comprises the battery pack.

According to the commercial vehicle provided by the embodiment of the utility model, the performance is improved by applying the battery pack.

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

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is an exploded view of a battery pack according to an embodiment of the present utility model;

fig. 2 is a structural view of the battery pack of fig. 1.

Reference numerals:

100. a battery pack;

10. a case; 12. a main body; 121. a mounting plate; 1211. a battery management device; 122. an explosion-proof valve; 13. a base; 131. a heat conducting structural adhesive layer;

20. a battery module; 21. a blade cell; 22. CSS acquisition means; 221. an interface; 23. soaking cotton;

30. a fastener; 40. a limiting plate; 41. a connecting piece; 42. a through hole; 43. a removing section;

50. a temperature adjusting member; 51. an insulating sheet; 60. a first copper bar; 61. and a second copper bar.

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 only and are not to be construed as limiting the utility model.

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, features defining "first", "second" may include one or more such features, either explicitly or implicitly, for distinguishing between the descriptive features, and not sequentially, and not lightly.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The battery pack 100 of the vehicle according to the embodiment of the present utility model is described below with reference to the accompanying drawings.

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

A receiving space is provided in the case 10. The battery module 20 is disposed in the receiving space. The battery module 20 is received by the receiving space, and the battery module 20 is protected from the external environment.

The case 10 has a first inner surface and a second inner surface opposite to each other, and the battery module 20 is disposed between the first inner surface and the second inner surface to limit movement of the battery module 20. Through utilizing the first inner face and the second inner face of box 10, first inner face sets up with the second inner face is relative, restricts the removal of battery module 20 that is in between first inner face and the second inner face, and first inner face and second inner face play the effect of end plate, compare the setting of end plate among the correlation technique, this application has reduced the quantity of spare part, has improved space utilization.

According to the battery pack 100 of the vehicle of the embodiment of the utility model, the first inner face and the second inner face of the box body 10 are utilized to limit the movement of the battery module 20, so that compared with the scheme of limiting the movement of the battery module by utilizing the end plate in the related art, the number of parts is reduced, the space utilization rate is improved, and the vehicle endurance mileage can be finally improved.

In some embodiments, the case comprises a standard C case, and the battery module 20 comprises a plurality of blade cells 21, the blade cells 21 having a length of 480mm L540 mm. It should be noted that, the width of standard C case is 630mm, and the length of blade electric core 21 of this application is 480mm to 540 mm's within range, and a battery module 20 can be installed to the accommodation space in the standard C incasement, compares the scheme of a plurality of battery modules among the correlation technique, need not to set up the end plate to further reduce the quantity of spare part, provide space utilization.

For example, the blade cell 21 has a length of 480mm; alternatively, the blade cell 21 has a length of 490mm; alternatively, the blade cell 21 has a length of 500mm; alternatively, the blade cell 21 has a length of 510mm; alternatively, the blade cell 21 has a length of 520mm; alternatively, the blade cell 21 has a length of 530mm; alternatively, the blade cell 21 has a length of 540mm. Of course, the length of the blade cell 21 may also have other values in the range of 480mm to 540mm, which will not be described in detail herein.

For example, the blade cell 21 is an L5 short-cut cell, and the height of the L5 short-cut cell is H,180 mm.ltoreq.H.ltoreq.240 mm.

As shown in fig. 1, in some embodiments, the battery pack 100 further includes: the fastening member 30, the fastening member 30 and the inner surface of the case 10 together define a fastening space in which the battery module 20 is disposed to restrict movement of the battery module 20 in the first direction. The movement of the battery module 20 is restricted by the arrangement of the fastening member 30, and the movement of the battery module 20 is restricted by the inner surface of the case 10, so that the number of parts is reduced.

For example, the first direction is the up-down direction, and the fastener 30 restricts the movement of the battery module 20 in the up-down direction.

As shown in fig. 1, in some embodiments, the battery pack 100 further includes: the limiting plates 40 are at least two, and the limiting plates 40 are arranged at two sides of the battery module 20 in the second direction to limit the movement of the battery module 20 in the second direction. For example, the second direction is the front-rear direction, and the limiting plates 40 located at both sides of the battery module 20 limit the movement of the battery module 20 in the front-rear direction.

As shown in fig. 1, in some embodiments, the fastener 30 is provided with a connecting member 41, the limiting plate 40 is provided with a through hole 42 corresponding to the connecting member 41, and the connecting member 41 is inserted into the through hole 42 and connected to the case 10. The connecting piece 41 not only plays a role of stabilizing the fastening piece 30, but also plays a role of stabilizing the limiting plate 40, and the fastening piece 30 and the limiting plate 40 do not need to be respectively provided with a fixing structure, so that the number of parts is reduced, and the space utilization rate is improved.

Specifically, the connection member 41 includes a bolt screwed with the case 10.

As shown in fig. 1, in some embodiments, the battery pack 100 further includes: and a temperature adjusting member 50, the temperature adjusting member 50 being disposed between the fastening member 30 and the battery module 20. The temperature of the battery module 20 is regulated by providing the temperature regulating member 50. The temperature adjusting member 50 is located between the fastening member 30 and the battery module 20, and the fastening member 30 applies a force to the temperature adjusting member 50 while the fastening member 30 stabilizes the battery module 20, so that the temperature adjusting member 50 is tightly attached to the surface of the battery module 20, and the adjusting effect of the temperature adjusting member 50 is improved.

Specifically, the temperature adjusting member 50 includes a heating film that is more closely adhered to the surface of the battery module 20.

As shown in fig. 1, more specifically, an insulating sheet 51 is provided between the heating film and the battery module 20.

As shown in fig. 1, in some embodiments, the battery module 20 is provided with foam 23, and the foam 23 plays a role in heat preservation and filling, so as to improve the overall effect of the battery pack 100.

As shown in fig. 1 and 2, in some embodiments, the case 10 includes: a main body 12 and a base 13.

The base 13 is coupled with the body 12 to define a receiving space, and the base 13 and the fastener 30 together define a fastening space. Through the cooperation of main part 12 and base 13, can connect base 13, battery module 20 and fastener 30 as an organic whole back reconnection main part 12, make things convenient for the equipment of battery package 100, improve production efficiency.

Specifically, the material of the main body 12 is any one of SMC, RTM, PCM. Of course, the material of the main body 12 may be other composite materials, so as to realize the weight reduction of the battery pack 100.

Specifically, the base 13 comprises a water-cooling bottom plate, and the water-cooling bottom plate plays a double role of the water-cooling plate and the bottom plate, so that the number of parts is reduced, and the cost is reduced.

As shown in fig. 1, more specifically, the base 13 is provided with a heat conducting structural adhesive layer 131 to provide heat conduction and dissipation at the bottom of the battery module 20.

As shown in fig. 1 and 2, in some embodiments, the body 12 includes a mounting plate 121, and a space between the mounting plate 121 and the limiting plate 40 near the mounting plate 121 is provided with a battery management device (BMS device) 1211. Wherein, the battery module 20 is provided with a CCS collecting device, the limiting plate 40 near the mounting plate 121 is provided with a removing part 43, the interface 221 of the css collecting device 22 is provided on the removing part 43, and the interface 221 is connected with the battery management device 1211. Wherein the interface 221 of the CSS acquisition unit 22 is arranged on the removal part 43, making full use of space, thereby providing further space utilization.

Specifically, the interface 221 is connected to the battery management device 1211 through a wire, and the removing portion 43 is disposed on the limiting plate 40 close to the battery management device 1211, so that the interface 221 is close to the battery management device 1211, and wiring is facilitated.

Specifically, CSS acquisition devices 22 are disposed on opposite sides of battery module 20 for acquiring voltage and temperature of blade cell 21.

In some embodiments, the battery module 20 is provided with a first port and a second port, the first port and the second port are diagonally arranged, the mounting plate 121 is provided with a first external port and a second external port, a first copper bar 60 is arranged between the first external port and the first port, and a second copper bar 61 is arranged between the second external port and the interface 221; wherein, a fuse box (MSD) is disposed on the first copper bar 60. For example, the first port is a module anode, the second port is a module cathode, and safety is improved by arranging a fuse box.

As shown in fig. 1 and 2, in some embodiments, the main body 12 is further provided with an explosion-proof valve 122, and the explosion-proof valve 122 and the mounting plate 121 are disposed on the same side of the main body 12, so as to improve safety.

The commercial vehicle according to the embodiment of the present utility model includes the above-described battery pack 100.

According to the commercial vehicle of the embodiment of the present utility model, the performance is improved by applying the above-described battery pack 100.

Other constructions and operations of the battery pack 100 according to the embodiment of the present utility model are known to those of ordinary skill in the art, and will not be described in detail herein.

In the description herein, reference to the term "embodiment," "example," 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

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

1. A battery pack for a vehicle, comprising:

the box body is internally provided with an accommodating space;

the battery module is arranged in the accommodating space;

the battery module is arranged between the first inner face and the second inner face so as to limit the movement of the battery module.

2. The vehicle battery pack of claim 1, wherein the case comprises a standard C case, and the battery module comprises a plurality of blade cells having a length of 480mm L540 mm.

3. The battery pack of a vehicle according to claim 1, further comprising: the fastening piece and the inner face of the box body jointly define a fastening space, and the battery module is arranged in the fastening space so as to limit the movement of the battery module in the first direction.

4. The battery pack of a vehicle according to claim 3, further comprising: and the limiting plates are at least two, and at least two limiting plates are arranged on two sides of the battery module in the second direction so as to limit the movement of the battery module in the second direction.

5. The battery pack of claim 4, wherein the fastener is provided with a connecting member, the limiting plate is provided with a through hole corresponding to the connecting member, and the connecting member is arranged in the through hole in a penetrating manner and is connected with the box body.

6. The battery pack of a vehicle according to claim 5, further comprising: and the temperature adjusting piece is arranged between the fastening piece and the battery module.

7. The battery pack of the vehicle according to claim 4, wherein the case includes:

a main body;

and the base is connected with the main body to define the accommodating space, and the base and the fastening piece jointly define the fastening space.

8. The vehicle battery pack of claim 7, wherein the body comprises a mounting plate, a space between the mounting plate and the restraint plate proximate to the mounting plate being provided with a battery management device;

the battery module is provided with a CCS acquisition device, a removal part is arranged on the limiting plate close to the mounting plate, a port of the CSS acquisition device is arranged on the removal part, and the port is connected with the battery management device.

9. The battery pack of claim 8, wherein the battery module is provided with a first port and a second port, the first port and the second port are diagonally arranged, the mounting plate is provided with a first external port and a second external port, a first copper bar is arranged between the first external port and the first port, and a second copper bar is arranged between the second external port and the ports;

and a fuse box is arranged on the first copper bar.

10. A commercial vehicle comprising a battery pack as claimed in any one of claims 1 to 9.