CN218385557U - Battery box and power battery with same - Google Patents

Abstract

The utility model provides a battery box and have its power battery, battery box includes: the cover body comprises a top plate and a surrounding plate, and the upper end of the surrounding plate is connected with the outer edge of the top plate; the box, including the layer board and along two at least module mounts of vertical interval setting on the layer board, the module mount extends along the horizontal direction, and the upper surface of module mount is provided with battery module installation position, covers the body cover and establishes in the outside of box, and the lower extreme and the layer board of bounding wall are connected. Through the technical scheme that this application provided, can solve the battery box among the correlation technique and can't realize the lightweight problem of battery box under the prerequisite that guarantees that the battery box has high strength.

Description

Battery box and power battery with same

Technical Field

The utility model relates to a power battery technical field particularly, relates to a battery box and have its power battery.

Background

With the implementation of the double-integral policy, new energy vehicles have been greatly developed. The power battery system is the heart of the new energy vehicle and provides required power for the whole vehicle, and the performance of the power battery system determines the performance of the whole vehicle.

In the related art, the power battery is placed in a battery box to protect the power battery. A power battery system consisting of a power battery and a battery box needs to be subjected to multiple strict tests.

However, the battery box in the related art cannot achieve the light weight of the battery box on the premise of ensuring the high strength of the battery box.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery box and have its power battery to solve the battery box among the correlation technique and can't realize the lightweight problem of battery box under the prerequisite that guarantees that the battery box has high strength.

According to an aspect of the utility model provides a battery box, battery box includes: the cover body comprises a top plate and a coaming, and the upper end of the coaming is connected with the outer edge of the top plate; the box, including the layer board and along two at least module mounts of vertical interval setting on the layer board, the module mount extends along the horizontal direction, and the upper surface of module mount is provided with battery module installation position, covers the body cover and establishes in the outside of box, and the lower extreme and the layer board of bounding wall are connected.

Furthermore, the module fixing frame comprises two cross beams and two longitudinal beams, the two cross beams are arranged in parallel, the two longitudinal beams are arranged in parallel, and the two cross beams and the two longitudinal beams jointly enclose to form the square module fixing frame.

Further, the box still includes a plurality of pole settings of setting between two adjacent module mounts, and a plurality of pole settings set up along the circumference interval of box, and the both ends of a plurality of pole settings are connected with two adjacent module mounts respectively.

Furthermore, both ends of the cross beam are connected with the side walls of the corresponding longitudinal beams, both ends of the longitudinal beams protrude out of the corresponding cross beam, and the lower ends of the vertical rods are connected with the end parts of the longitudinal beams; or the two ends of the longitudinal beam are connected with the side walls of the corresponding cross beams, the two ends of the cross beams protrude out of the corresponding longitudinal beam, and the lower ends of the vertical rods are connected with the end portions of the cross beams.

Further, battery module installation position includes a plurality of supporting beams and a plurality of supporting pad, and a plurality of supporting beam's extending direction all is the same with the extending direction of longeron, and a plurality of supporting beams set up along the extending direction interval of crossbeam, and the upper surface at the crossbeam is set up respectively at a plurality of supporting beam's both ends, and a plurality of supporting pads set up on the longeron along the extending direction interval of longeron.

Further, the battery box still includes mainboard mounting bolt, all is provided with mainboard mounting bolt on the lateral wall that lies in the crossbeam with one side of battery box of adjacent module mount.

Furthermore, the lower edge of the enclosing plate is provided with an annular flanging, the annular flanging extends along the horizontal direction, and the lower surface of the annular flanging is abutted to the supporting plate; and/or the coaming is provided with a threading opening which is arranged through.

Furthermore, the battery box still includes the cooling tube that is located the box below and is connected with the lower surface of layer board, and the both ends of cooling tube are cooling inlet and cooling outlet respectively.

Furthermore, the upper surface of layer board is provided with the cooling bath that is linked together with the cold source, and the cooling bath is located the below of module mount.

According to the utility model discloses an on the other hand provides a power battery, and power battery includes: a battery module; the battery box, battery module set up the battery module installation position at the battery box, and the battery box includes the battery box that the aforesaid provided.

Use the technical scheme of the utility model, the battery box includes the cover body and box, when using this battery box, because the box includes the layer board and sets up two at least module mounts on the layer board along vertical interval, utilize the layer board can play the supporting role to the module mount, and then can be with battery module along vertical setting on the battery module installation position of module mount, thereby can make full use of the vertical space of box, establish the cover body cover in the outside of box again, and be connected with the layer board through the lower extreme of bounding wall and seal and protect with the battery module in the box. Owing to utilized the vertical spatial arrangement battery module of box, can strengthen the inside integrated level of battery box, and then can arrange more battery modules to can guarantee to realize the lightweight of battery box under the prerequisite that the battery box has high strength.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a battery box provided by an embodiment of the present invention;

FIG. 2 shows a schematic structural view of the case of FIG. 1;

FIG. 3 shows a schematic structural view of the housing of FIG. 1;

fig. 4 shows an assembly diagram of a battery module and a box body of a power battery provided by an embodiment of the invention.

Wherein the figures include the following reference numerals:

10. a cover body; 11. a top plate; 12. enclosing plates; 121. annular flanging; 122. a threading opening;

20. a box body; 21. a pallet; 211. a cooling tank; 22. a module fixing frame; 221. a cross beam; 222. a stringer; 23. a battery module mounting position; 231. a support beam; 232. a support pad; 24. erecting a rod;

30. installing a bolt on the main board;

40. a cooling tube;

50. a battery module is provided.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 to 4, an embodiment of the present invention provides a battery box, which includes a cover 10 and a box body 20, wherein the cover 10 includes a top plate 11 and a surrounding plate 12, and an upper end of the surrounding plate 12 is connected to an outer edge of the top plate 11; the box 20 includes layer board 21 and sets up two at least module mounts 22 on layer board 21 along vertical interval, and module mount 22 extends along the horizontal direction, and the upper surface of module mount 22 is provided with battery module installation position 23, and the cover body 10 covers the outside of establishing at box 20, and the lower extreme and the layer board 21 of bounding wall 12 are connected.

Use the technical scheme of the utility model, the battery box includes the cover body 10 and box 20, when using this battery box, because box 20 includes layer board 21 and sets up two at least module mounts 22 on layer board 21 along vertical interval, utilize layer board 21 can play the supporting role to module mount 22, and then can follow vertical setting with battery module 50 on module mount 22's battery module installation position 23, thereby can make full use of box 20's vertical space, establish the cover body 10 cover in box 20's the outside again, and be connected with layer board 21 through the lower extreme of bounding wall 12 and seal and protect with battery module 50 in to box 20. Owing to utilized box 20's vertical spatial arrangement battery module 50, can strengthen the inside integrated level of battery box, and then can arrange more battery modules 50 to can guarantee to realize the lightweight of battery box under the prerequisite that the battery box has high strength.

In the present embodiment, the module holders 22 are disposed above the supporting plate 21 in layers, and the lowest module holder 22 is connected to the upper surface of the supporting plate 21.

The adjacent module fixing frames 22 are connected by a connecting member, which may be a connecting plate or an upright rod.

Specifically, the top plate 11 includes a square flat plate, and the upper end of the surrounding plate 12 is connected to the outer edge of the square flat plate.

As shown in fig. 2, the module holder 22 includes two cross beams 221 and two longitudinal beams 222, the two cross beams 221 are disposed in parallel, the two longitudinal beams 222 are disposed in parallel, and the two cross beams 221 and the two longitudinal beams 222 together enclose the square module holder 22. With the module fixing frame 22 having the above structure, the cross beam 221 and the longitudinal beam 222 can be used to form the square module fixing frame 22, and the battery module mounting position 23 can be formed on the upper surfaces of the cross beam 221 and the longitudinal beam 222, so that the square battery module can be mounted and fixed.

In this embodiment, the cross beam 221 and the longitudinal beam 222 form a square module fixing frame, so that the space of the module fixing frame 22 can be fully utilized by the square battery module, and the space utilization rate of the box body 20 is increased.

As shown in fig. 2, the box body 20 further includes a plurality of vertical rods 24 disposed between two adjacent module holders 22, the vertical rods 24 are disposed at intervals along the circumferential direction of the box body 20, and two ends of each vertical rod 24 are respectively connected to two adjacent module holders 22. The upright rods 24 can be used for connecting two adjacent module fixing frames 22, and the connecting structure is simple.

In this embodiment, the cover 10 is made of sheet metal, and the cross beam 221, the longitudinal beam 222 and the vertical rod 24 are made of square steel, so that the weight of the system can be reduced under the condition that the structural strength of the battery box is ensured.

In particular, the uprights 24 are connected to the ends of the corresponding longitudinal beams 222.

As shown in fig. 2, both ends of the cross beam 221 are connected to the side walls of the corresponding longitudinal beams 222, both ends of the longitudinal beams 222 protrude out of the corresponding cross beam 221, and the lower ends of the vertical rods 24 are connected to the ends of the longitudinal beams 222. Or both ends of the longitudinal beam 222 are connected with the side walls of the corresponding cross beam 221, both ends of the cross beam 221 protrude out of the corresponding longitudinal beam 222, and the lower end of the vertical rod 24 is connected with the end part of the cross beam 221. With the above configuration, the end portions of the cross members 221 or the longitudinal members 222 can be connected to the vertical member 24, and the vertical member 24 can escape the battery modules 50 located on the outer periphery of the case 20, thereby making full use of the internal space of the case 20.

As shown in fig. 2 and 4, the battery module mounting portion 23 includes a plurality of support beams 231 and a plurality of support pads 232, the plurality of support beams 231 each extend in the same direction as the longitudinal beam 222, the plurality of support beams 231 are spaced apart from each other in the extending direction of the cross beam 221, both ends of the plurality of support beams 231 are respectively laid on the upper surface of the cross beam 221, and the plurality of support pads 232 are spaced apart from each other in the extending direction of the longitudinal beam 222 on the longitudinal beam 222. Utilize a supporting beam 231 can form battery module installation position 23, and then can strengthen battery module 50 along the ascending support intensity of its length direction, utilize supporting pad 232 to make all battery modules 50 all be located same height, and then be favorable to arranging of battery module 50.

In this embodiment, two adjacent battery modules 50 support the upper surface of the same supporting beam 231 together, and then are convenient for finely adjust the battery modules 50, and the supporting pad 232 is disposed on the corner of the outer side of the battery modules 50.

As shown in fig. 2, the battery box further includes a main board mounting bolt 30, and the main board mounting bolts 30 are disposed on the outer side walls of the cross beams 221 of the adjacent module fixing frames 22 located on the same side of the battery box. The mainboard can be installed and positioned by the mainboard installing bolt 30, and the space outside the cross beam 221 is further utilized, so that the space utilization rate of the box body 20 is further increased.

In this embodiment, since the end of the longitudinal beam 222 protrudes from the lateral beam 221, an available space is formed between the end of the longitudinal beam 222 and the outer side wall of the lateral beam 221, and besides the main board mounting bolt 30 provided on the lateral beam 221, a weak current harness grounding point may be provided on the outer side wall of the vertical rod 24 to make the battery module 50 and the case 20 have the same potential.

As shown in fig. 2 and 3, the lower edge of the surrounding plate 12 is provided with an annular flange 121, the annular flange 121 extends along the horizontal direction, the lower surface of the annular flange 121 abuts against the supporting plate 21, and the contact area between the surrounding plate 12 and the supporting plate 21 can be increased by using the annular flange 121, so that the connection between the cover body 10 and the box body 20 is more stable, and the protection effect of the battery module 50 is better.

In this embodiment the hoarding 12 has a threading opening 122 provided therethrough, with the threading opening 122 facilitating the deployment of the attachment cord.

As shown in fig. 2, the battery box further includes a cooling pipe 40 located below the box body 20 and connected to the lower surface of the pallet 21, and both ends of the cooling pipe 40 are a cooling inlet and a cooling outlet, respectively. The case 20 can be cooled by the cooling pipe 40, and the temperature in the case 20 can be reduced, so that the ambient temperature of the battery module 50 can be reduced.

In the present embodiment, a cooling medium such as cooling water or cold air may be supplied to the cooling pipe 40.

As shown in fig. 2, the upper surface of the supporting plate 21 is provided with a cooling groove 211 communicated with the cool source, and the cooling groove 211 is located below the module fixing frame 22. The cooling groove 211 can be used for directly cooling the supporting plate 21, thereby improving the heat transfer efficiency.

In this embodiment, due to the module fixing frame 22 at the lowest layer, the cooling groove 211 does not directly contact with the battery module 50, so that the air between the two can circulate, and the heat exchange effect is enhanced.

As shown in fig. 4, another embodiment of the present invention provides a power battery, the power battery includes a battery module 50 and a battery box, the battery module 50 is disposed at the battery module mounting position 23 of the battery box, and the battery box includes the above-mentioned battery box. Adopt the above-mentioned power battery who provides, owing to utilized box 20's vertical space to arrange battery module 50, can strengthen the inside integrated level of battery box, and then can arrange more battery modules 50 to can guarantee to realize the lightweight of battery box under the prerequisite that the battery box has high strength.

Use the utility model provides a battery box and have its power battery has following beneficial effect:

(1) The battery module 50 can be supported by the module fixing frame 22, and the module fixing frame 22 at the lowest layer prevents the cooling groove 211 from directly contacting with the battery module 50, so that air between the battery module and the cooling groove can circulate, and the heat exchange effect is enhanced;

(2) The battery box also comprises a cooling pipe 40 which is positioned below the box body 20 and connected with the lower surface of the supporting plate 21, the upper surface of the supporting plate 21 is provided with a cooling groove 211 communicated with a cold source, and the battery module 50 can be cooled and dissipated by utilizing the cooling pipe 40 and the cooling groove 211.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A battery box, characterized in that the battery box comprises:

the hood body (10) comprises a top plate (11) and a surrounding plate (12), wherein the upper end of the surrounding plate (12) is connected with the outer edge of the top plate (11);

box (20), set up including layer board (21) and along vertical interval two at least module mount (22) on the layer board (21), module mount (22) extend along the horizontal direction, the upper surface of module mount (22) is provided with battery module installation position (23), the cover body (10) cover is established the outside of box (20), the lower extreme of bounding wall (12) with layer board (21) are connected.

2. The battery box according to claim 1, characterized in that the module holder (22) comprises two cross beams (221) and two longitudinal beams (222), the two cross beams (221) are arranged in parallel, the two longitudinal beams (222) are arranged in parallel, and the two cross beams (221) and the two longitudinal beams (222) jointly enclose a square module holder (22).

3. The battery box according to claim 2, wherein the box body (20) further comprises a plurality of vertical rods (24) arranged between two adjacent module fixing frames (22), the plurality of vertical rods (24) are arranged at intervals along the circumferential direction of the box body (20), and two ends of the plurality of vertical rods (24) are respectively connected with two adjacent module fixing frames (22).

4. The battery box according to claim 3,

two ends of each cross beam (221) are connected with the corresponding side wall of the longitudinal beam (222), two ends of each longitudinal beam (222) protrude out of the corresponding cross beam (221), and the lower end of each vertical rod (24) is connected with the end part of each longitudinal beam (222); or,

two ends of each longitudinal beam (222) are connected with corresponding side walls of the transverse beam (221), two ends of each transverse beam (221) protrude out of the corresponding longitudinal beams (222), and the lower end of each vertical rod (24) is connected with the end part of the transverse beam (221).

5. The battery box according to claim 2, wherein the battery module mounting site (23) comprises a plurality of support beams (231) and a plurality of support pads (232), the plurality of support beams (231) each have the same extending direction as the longitudinal beams (222), the plurality of support beams (231) are arranged at intervals along the extending direction of the cross beams (221), both ends of the plurality of support beams (231) are respectively overlapped on the upper surface of the cross beams (221), and the plurality of support pads (232) are arranged at intervals on the longitudinal beams (222) along the extending direction of the longitudinal beams (222).

6. The battery box according to claim 2, characterized in that the battery box further comprises a main board mounting bolt (30), and the main board mounting bolts (30) are arranged on the outer side walls of the cross beams (221) adjacent to the module fixing frames (22) on the same side of the battery box.

7. The battery box according to claim 1,

an annular flanging (121) is arranged on the lower edge of the enclosing plate (12), the annular flanging (121) extends in the horizontal direction, and the lower surface of the annular flanging (121) is abutted to the supporting plate (21); and/or the presence of a gas in the atmosphere,

the coaming (12) is provided with a threading opening (122) which is arranged in a penetrating way.

8. The battery box according to claim 1, further comprising a cooling pipe (40) located below the box body (20) and connected to a lower surface of the pallet (21), wherein the cooling pipe (40) has a cooling inlet and a cooling outlet at its two ends, respectively.

9. The battery box according to claim 1, characterized in that the upper surface of the supporting plate (21) is provided with a cooling groove (211) communicated with a cold source, and the cooling groove (211) is positioned below the module fixing frame (22).

10. A power cell, characterized in that the power cell comprises:

a battery module (50);

a battery box, the battery module (50) being disposed at a battery module mounting location (23) of the battery box, the battery box comprising the battery box of any one of claims 1 to 9.

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