CN217361792U

CN217361792U - Battery box and battery

Info

Publication number: CN217361792U
Application number: CN202220972314.8U
Authority: CN
Inventors: 罗俊; 付志斌
Original assignee: Sany Heavy Industry Co Ltd
Current assignee: Sany Lithium Energy Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-09-02
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a new forms of energy technical field provides a battery box and battery. The battery box body comprises: the box bodies are stacked, and each box body comprises a bottom plate and a plurality of side plates which are arranged oppositely; the guide sleeves are arranged on the at least one pair of opposite side plates, and the length direction of each guide sleeve is consistent with the height direction of the side plates; and each connecting piece is arranged in the plurality of guide sleeves positioned on the same straight line in a penetrating manner so as to connect the plurality of box bodies. The technical scheme solves the problem that the dead weight of the battery frame body is large in the prior art. The utility model provides a battery box sets up the guide pin bushing through the curb plate at the box, will be located the guide pin bushing on the collinear through the connecting piece and connect to connect into whole with a plurality of boxes, need not additionally set up steel skeleton bearing structure, alleviateed the dead weight of battery box, can set up more battery packages in the battery box, and then improved the energy density of battery.

Description

Battery box and battery

Technical Field

The utility model relates to a new forms of energy technical field especially relates to a battery box and battery.

Background

At present, a large battery frame body is mostly adopted in battery boxes used for engineering machinery and heavy trucks, a plurality of layers of standard battery packs are placed in the battery frame body, then the battery packs are fixed in the battery frame body in a mechanical fixing mode, and the battery packs are connected with one another through cables, water pipes, communication lines and the like. The battery box battery frame body has larger self weight, which causes lower energy density of the battery.

SUMMERY OF THE UTILITY MODEL

The utility model provides a battery box and battery for solve among the prior art great defect of battery frame dead weight.

The utility model provides a battery box, include: the box bodies are stacked, and each box body comprises a bottom plate and a plurality of side plates which are arranged oppositely; the guide sleeves are arranged on at least one pair of opposite side plates, and the length direction of each guide sleeve is consistent with the height direction of the side plate; and each connecting piece is arranged in the guide sleeves which are positioned on the same straight line in a penetrating way so as to connect the box bodies.

According to the utility model provides a pair of battery box, the curb plate is equipped with a plurality of through-holes, every along its length direction the length direction of through-hole with the direction of height of curb plate is unanimous, the guide pin bushing set up in the through-hole.

According to the utility model provides a pair of battery box, the outer wall of guide pin bushing with the interior wall connection of through-hole.

According to the utility model provides a pair of battery box, the guide pin bushing with the outer wall connection of curb plate.

According to the utility model provides a pair of battery box still includes the sealing member, adjacent two form confined space between the contact surface of box, the sealing member set up in the confined space.

According to the utility model provides a pair of battery box, adjacent two in two contact surfaces of box, one is equipped with the boss, and another is equipped with the tongue-and-groove, the sealing member set up in the tongue-and-groove, and with the boss butt.

According to the utility model provides a pair of battery box, adjacent two in two contact surfaces of box, one is equipped with the boss, and another is equipped with the recess, the sealing member cover is established the outside of boss, and with the cell wall butt of recess.

According to the utility model provides a pair of battery box, the width of boss is more than or equal to 5 mm.

According to the utility model provides a pair of battery box still includes cooling module, cooling module includes: the liquid cooling plate is arranged on the bottom plate; and the cooling pipeline is connected with the liquid cooling plate, penetrates through the side plate of the box body and extends to the outside of the side plate.

The utility model also provides a battery, include a plurality of battery packages and as above the battery box, it is a plurality of the battery package set up in the battery box.

The utility model provides a battery box sets up the guide pin bushing through the curb plate at the box, will be located the guide pin bushing on the same straight line through the connecting piece and connect to connect into whole with a plurality of boxes, need not additionally set up steel skeleton bearing structure, alleviateed battery box's dead weight, can set up more battery packages in battery box, and then improved the energy density of battery.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the following briefly introduces the drawings required for the embodiments or the prior art descriptions, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a battery box provided by the present invention;

FIG. 2 is a schematic structural view of the case shown in FIG. 1;

FIG. 3 is a partial structural view of the interior of the case;

reference numerals:

10: a box body; 11: a base plate; 12: a side plate; 13: a through hole; 20: a guide sleeve; 100: a battery case; 111: a liquid-cooled plate; 112: a joint; 113: a pipeline.

Detailed Description

To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. 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.

The features of the terms first and second in the description and in the claims of the present invention may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

The battery case and the battery of the present invention will be described with reference to fig. 1 to 3.

As shown in fig. 1, in an embodiment of the present invention, the battery case 100 includes: a plurality of cases 10, a plurality of guide sleeves 20, and a plurality of connectors (not shown). A plurality of cases 10 are stacked, and each case 10 includes a bottom plate 11 and a plurality of side plates 12 disposed opposite to each other. The plurality of guide sleeves 20 are provided on at least one pair of side plates 12 facing each other, and the longitudinal direction of each guide sleeve 20 coincides with the height direction of the side plate 12. Each connector is inserted into a plurality of guide sleeves 20 located on the same straight line to connect a plurality of cases 10.

Specifically, each box 10 includes a bottom plate 11 and two pairs of side plates 12 disposed oppositely, the guide sleeves 20 are disposed along the length direction of the side plates 12, and the length direction of each guide sleeve 20 is identical to the height direction of the side plates 12, i.e., the opening direction of each guide sleeve 20 faces the stacking direction of the boxes 10. After the plurality of cases 10 are stacked, the connection member passes through the plurality of guide sleeves 20 positioned on the same longitudinal line to integrally connect the plurality of cases 10.

Further, in the above-mentioned embodiment, the guide sleeve 20 may be disposed on two pairs of side plates 12, or may be disposed on any pair of side plates 12, and optionally, in this embodiment, the guide sleeve 20 is disposed on a pair of side plates 12 with a longer length of the box 10.

Further, in an embodiment of the present invention, the connecting member may be a screw.

The embodiment of the utility model provides a battery box sets up the guide pin bushing through the curb plate at the box, will be located the guide pin bushing on the collinear through the connecting piece and connect to connect into whole with a plurality of boxes, need not additionally set up steel skeleton bearing structure, alleviateed the dead weight of battery box, can set up more battery packages in the battery box, and then improved the energy density of battery.

Further, in an embodiment of the present invention, the box 10 is an aluminum alloy extrusion, which has a light weight, so as to further reduce the dead weight of the battery box 100 and improve the energy density of the battery. Meanwhile, the plurality of cases 10 are stacked and combined into the battery cases 100 of various specifications, so that the universality of the battery cases 100 is enhanced.

As shown in fig. 2, in an embodiment of the present invention, the side plate 12 is provided with a plurality of through holes 13 along the length direction thereof, the length direction of each through hole 13 is consistent with the height direction of the side plate 12, and the guide sleeve 20 is disposed in the through hole 13.

Specifically, in this embodiment, the surface of the side plate 12, that is, the surface contacting with other cases 10 is provided with a plurality of through holes 13, the plurality of through holes 13 are arranged along the length direction of the side plate 12, each through hole 13 is provided with one guide sleeve 20, and each connector connects a plurality of guide sleeves 20 on the same straight line with a plurality of cases 10, thereby connecting a plurality of cases 10 into a whole.

Further, the outer wall of the guide sleeve 20 is connected with the inner wall of the through hole 13. Specifically, the outer walls of both ends of each guide sleeve 20 are connected to the inner wall of the through hole 13 by welding, so as to enhance the strength of the case 10.

Optionally, in another embodiment of the present invention, the guide sleeve 20 is connected to the outer wall of the side plate 12.

Specifically, in the present embodiment, the guide sleeve 20 is connected to the outer wall of the side plate 12, and the guide sleeve 20 can also reinforce the strength of the box 10. The plurality of guide sleeves 20 are arranged along the length direction of the side plate 12, and each connecting piece connects the plurality of guide sleeves 20 on the same straight line with the plurality of cases 10, so that the plurality of cases 10 are connected into a whole.

In an embodiment of the present invention, the battery case 100 further includes a sealing member, and a sealing space is formed between the contact surfaces of two adjacent cases 10, and the sealing member is disposed in the sealing space.

Specifically, the sealing member is disposed between the contact surfaces of two adjacent stacked cases 10, so that moisture can be prevented from being accumulated and condensed and then flowing into the cases 10, thereby affecting the battery pack.

Alternatively, in an embodiment of the present invention, one of the two contact surfaces of the two adjacent cases 10 is provided with a boss, the other is provided with a tongue-and-groove, and the sealing member is disposed at the tongue-and-groove and abuts against the boss.

Specifically, in the present embodiment, the contact surface refers to an end surface of the side plate 12, the end surface is formed with a boss or a tongue-and-groove at a position close to the inside of the case 10, the depth of the tongue-and-groove is greater than the height of the boss, the width of the tongue-and-groove is the same as the width of the boss, and the lengths of the boss and the tongue-and-groove are the same as the length of the side plate 12. When two boxes 10 are stacked, the bosses are embedded into the grooves, and the depth of the grooves is greater than the height of the bosses, so that a certain space is formed between the grooves and the bosses, and the space is used for arranging a sealing element, so that two adjacent boxes 10 are connected in a sealing manner.

Further, in this embodiment, the sealing member is a foamed silicone strip.

Optionally, in another embodiment of the present invention, one of the two contact surfaces of the two adjacent cases 10 is provided with a boss, the other is provided with a groove, and the sealing member is sleeved outside the boss and abuts against a groove wall of the groove.

Specifically, in the present embodiment, the contact surface refers to an end surface of the side plate 12, the end surface forms a boss at a middle position, correspondingly, a groove is provided at a middle position of the other end surface, the width of the boss is smaller than that of the groove, the sealing member is sleeved outside the boss, and when two cases 10 are stacked, the sealing member abuts against a groove wall of the groove to hermetically connect the two cases 10.

Further, in this embodiment, the sealing member is a foamed silicone ring.

Further, in the above-described embodiments, the width of the boss is greater than or equal to 5mm to form a wider sealing surface.

The embodiment of the utility model provides a battery box has widened effective sealing face through widening the width of boss, has strengthened sealed effect, can block effectively that steam gathers, condenses the back and get into in the box.

As shown in fig. 3, in an embodiment of the present invention, the battery case 100 further includes a cooling assembly, and the cooling assembly includes: a liquid-cooled plate 111 and cooling lines. The liquid cooling plate 111 is disposed on the bottom plate 11 of the case 10, and the cooling pipe is connected to the liquid cooling plate 111, penetrates the side plate 12 of the case 10, and extends to the outside of the side plate 12.

Specifically, the cooling circuit includes: a joint 112 and a pipe 113, wherein the joint 112 is connected with the liquid cooling plate 111, and the pipe 113 is connected with the joint 112 and extends to the outside of the case 10. Further, the joint 112 is divided into a liquid inlet joint and a liquid outlet joint, both the liquid inlet joint and the liquid outlet joint are communicated with the liquid cooling plate 111, and the liquid inlet joint and the liquid outlet joint are respectively connected with a pipeline 113. Cooling liquid enters the liquid cooling plate 111 through the pipeline 113 and the liquid inlet joint to dissipate heat of the battery pack, and liquid absorbing heat flows out of the box body 10 through the liquid outlet joint and the pipeline 113.

The embodiment of the utility model provides a battery box through the integrated liquid cold drawing on the bottom plate of box, has reduced battery box's dead weight, and then has improved the energy density of battery.

The embodiment of the utility model provides a still provide a battery, including a plurality of battery packages and battery box 100.

Specifically, the battery case 100 includes a plurality of cases 10, the plurality of cases 10 being stacked, a plurality of battery packs being provided in each case 10, the plurality of battery packs being connected to form a battery.

The embodiment of the utility model provides a battery through setting up the battery box, has alleviateed the dead weight of battery box, has improved the energy density of battery to the duration of a journey ability of vehicle has been improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A battery case, comprising:

the box bodies are stacked, and each box body comprises a bottom plate and a plurality of side plates which are arranged oppositely;

the guide sleeves are arranged on at least one pair of opposite side plates, and the length direction of each guide sleeve is consistent with the height direction of the side plate;

and each connecting piece penetrates through the plurality of guide sleeves positioned on the same straight line to connect the plurality of box bodies.

2. The battery box body as claimed in claim 1, wherein the side plate is provided with a plurality of through holes along a length direction thereof, the length direction of each through hole is identical to a height direction of the side plate, and the guide sleeves are disposed in the through holes.

3. The battery box body according to claim 2, wherein the outer wall of the guide sleeve is connected with the inner wall of the through hole.

4. The battery box according to claim 1, wherein the guide bush is connected to an outer wall of the side plate.

5. The battery case according to claim 1, further comprising a sealing member, wherein a sealing space is formed between the contact surfaces of two adjacent cases, and the sealing member is disposed in the sealing space.

6. The battery box body as claimed in claim 5, wherein one of two contact surfaces of two adjacent box bodies is provided with a boss, the other is provided with a groove, and the sealing member is arranged in the groove and abutted against the boss.

7. The battery box body as claimed in claim 5, wherein one of the two contact surfaces of two adjacent box bodies is provided with a boss, the other is provided with a groove, and the sealing member is sleeved outside the boss and abuts against the groove wall of the groove.

8. The battery case according to claim 6 or 7, wherein the width of the boss is greater than or equal to 5 mm.

9. The battery box of claim 1, further comprising a cooling assembly, the cooling assembly comprising:

the liquid cooling plate is arranged on the bottom plate;

and the cooling pipeline is connected with the liquid cooling plate, penetrates through the side plate of the box body and extends to the outside of the side plate.

10. A battery comprising a plurality of battery packs and the battery housing of any one of claims 1-9, wherein a plurality of the battery packs are disposed within the battery housing.