CN216698627U

CN216698627U - Battery cell module and battery assembly

Info

Publication number: CN216698627U
Application number: CN202123199122.2U
Authority: CN
Inventors: 李新; 吴清平; 田旭; 李亭亭; 李伟; 夏维; 庞瑞君; 葛长青; 陈洪亮; 张俊; 郭江东; 曹斌
Original assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Current assignee: Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-06-07
Anticipated expiration: 2031-12-17

Abstract

The utility model provides a battery cell module and a battery assembly, relating to the technical field of batteries, wherein the battery cell module comprises: the battery cell module comprises a first end plate, a second end plate and a battery cell module; the battery cell module is arranged between the first end plate and the second end plate; at least one of the first end plate and the second end plate is provided with a limiting part, and the limiting part is used for being matched with the battery box. According to the battery cell module and the battery assembly provided by the utility model, the battery cell module can be prevented from being pulled out of the battery box along with the return of the tool in the battery assembling process, the limit fixation of the battery cell module is easy to realize, the resilience of the battery cell module does not need to be reduced, and the space utilization rate of the battery box is favorably improved.

Description

Battery cell module and battery assembly

Technical Field

The utility model relates to the technical field of batteries, in particular to a battery cell module and a battery assembly.

Background

When the battery cell module is assembled, foam can be filled between adjacent battery cells for isolation. At the box in-process of packing into electric core module, make two adjacent electric core intervals reduce through the extrusion to compress the bubble cotton, can ensure from this that electric core module closely cooperates inside the battery box. In order to compress the cell module and transport the cell module, a tool is required to clamp the cell module. In the assembling process, the clearance for accommodating the tooling fixture is reserved between the electric core module and the inner side wall of the battery box, the compression amount and the resilience force of the electric core module cannot be too large, otherwise, the tooling fixture cannot be pulled out from the battery box when the assembly is completed, and even the electric core module which is arranged in the battery box is pulled out again along with the tooling fixture, so that the assembly is required again. However, if the resilience of the cell module is reduced, the cell module cannot be tightly fitted in the battery box. Therefore, the technical problems that in the prior art, the limiting and locking are inconvenient in the assembling process of the battery cell module and the space utilization rate of the battery box is low exist.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a battery cell module and a battery assembly, so as to relieve the technical problem that the battery cell module is difficult to limit and lock in the assembling process.

In a first aspect, the present invention provides a cell module, including: the battery cell module comprises a first end plate, a second end plate and a battery cell module;

the cell module is arranged between the first end plate and the second end plate;

at least one of the first end plate and the second end plate is provided with a limiting part, and the limiting part is used for being matched with the battery box.

With reference to the first aspect, the present invention provides a first possible implementation manner of the first aspect, wherein the limiting portion includes a limiting protrusion, and the limiting protrusion is adapted to the battery box.

With reference to the first possible implementation manner of the first aspect, the present invention provides a second possible implementation manner of the first aspect, wherein a plurality of limiting protrusions are provided, the limiting protrusions are arranged at intervals along an extending direction of an x-axis, and an abdicating groove is formed between any two adjacent limiting protrusions.

With reference to the first aspect, the present invention provides a third possible implementation manner of the first aspect, wherein the first end plate and the second end plate are respectively provided with an abdicating groove, and the abdicating groove extends along an extending direction of the z-axis.

With reference to the first aspect, the present invention provides a fourth possible implementation manner of the first aspect, wherein the first end plate and the second end plate are arranged at intervals along an extending direction of the y-axis, and the cell module is clamped between the first end plate and the second end plate.

With reference to the fourth possible implementation manner of the first aspect, the present invention provides a fifth possible implementation manner of the first aspect, wherein the cell module includes a plurality of cells, and the cells are stacked along an extending direction of a y-axis;

and an elastic spacer is arranged between every two adjacent electric cores.

With reference to the first aspect, the present invention provides a sixth possible implementation manner of the first aspect, wherein end surfaces, away from the cell module, of the first end plate and the second end plate are both provided with a plurality of hollow grooves.

In a second aspect, the present invention provides a battery assembly comprising: the battery box is provided with the screens with spacing looks adaptation.

In combination with the second aspect, the present invention provides a first possible implementation manner of the second aspect, wherein the battery box includes: the box and connect the inside beam assembly of box, the screens setting is in on the beam assembly.

In combination with the first possible implementation manner of the second aspect, the present invention provides a second possible implementation manner of the second aspect, wherein the beam assembly includes: the first edge beam, the second edge beam and the middle cross beam;

the first edge beam, the second edge beam and the middle cross beam are parallel and arranged at intervals; the middle cross beam is positioned between the first edge beam and the second edge beam, and the first edge beam, the second edge beam and the middle cross beam are respectively provided with the clamping positions;

the battery box further comprises longitudinal beams, two ends of each longitudinal beam are inserted into the first edge beam and the second edge beam in a one-to-one correspondence mode, and the middle cross beam is limited between the longitudinal beams and the bottom plate of the box body.

The embodiment of the utility model has the following beneficial effects: adopt electric core module to install between first end plate and second end plate, first end plate and at least one of them of second end plate are equipped with spacing portion, can be with battery box looks adaptation through spacing portion to can make electric core module by spacing fixed for the battery box, can avoid electric core module to be extracted from the battery box along with the frock return in battery assembling process, realize easily that it is spacing fixed to electric core module.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention or related technologies, the drawings used in the description of the embodiments or related technologies will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a front view of a cell module according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a first end plate of a cell module according to an embodiment of the present invention;

fig. 3 is a top view of a cell module according to an embodiment of the present invention;

fig. 4 is a schematic diagram of a cell module according to an embodiment of the present invention;

FIG. 5 is a schematic diagram of a battery compartment of a battery assembly according to an embodiment of the present invention;

fig. 6 is an exploded view of a battery box of a battery assembly according to an embodiment of the present invention.

Icon: 001-a limiting part; 002-yielding grooves; 100-a first end plate; 101-a limit protrusion; 102-a hollow-out groove; 200-a second end plate; 300-cell module; 310-electric core; 320-an elastic spacer; 400-battery box; 401-position clamping; 410-a box body; 420-a beam assembly; 421-a first edge beam; 422-a second edge beam; 423-middle cross beam; 430-longitudinal beams.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The term "physical quantity" in the formula, unless otherwise noted, is understood to mean a basic quantity of a basic unit of international system of units, or a derived quantity derived from a basic quantity by a mathematical operation such as multiplication, division, differentiation, or integration.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1 and 5, a battery cell module provided in an embodiment of the present invention includes: a first end plate 100, a second end plate 200 and a cell module 300; the cell module 300 is installed between the first end plate 100 and the second end plate 200; at least one of the first end plate 100 and the second end plate 200 is provided with a limiting portion 001, and the limiting portion 001 is adapted to the battery box 400.

In one embodiment, one of the first end plate 100 and the second end plate 200 is provided with a limiting portion 001, and when the cell module is mounted in the battery box 400, the limiting portion 001 is engaged with the battery box 400, so that the first end plate 100 and the second end plate 200 can be fixed relative to the battery box 400, the internal space of the battery box 400 is limited, the cell module cannot be deflected, and the whole cell module is limited and fixed relative to the battery box 400.

In this embodiment, the first end plate 100 and the second end plate 200 are respectively provided with a limiting portion 001, and when the cell module is mounted in the battery box 400, the limiting portions 001 disposed on the first end plate 100 and the second end plate 200 are both fitted in the battery box 400, so that the first end plate 100 and the second end plate 200 are both limited and fixed relative to the battery box 400, and the cell module is prevented from being pulled out from the inside of the battery box 400 along with the tool.

As shown in fig. 1, 2 and 5, the limiting portion 001 includes a limiting protrusion 101, and the limiting protrusion 101 is adapted to the battery box 400.

Specifically, all be equipped with spacing arch 101 on the terminal surface that first end plate 100 and second end plate 200 deviate from mutually, when electric core module installs in battery box 400, set up spacing arch 101 on first end plate 100 and second end plate 200 respectively the joint in battery box 400 to it is fixed for battery box 400 all to make first end plate 100 and second end plate 200, realizes the quick spacing of electric core module from this.

As shown in fig. 1, 2, 3 and 5, a plurality of limiting protrusions 101 are provided, the limiting protrusions 101 are arranged at intervals along the extending direction of the x-axis, and an abdicating groove 002 is formed between any two adjacent limiting protrusions 101.

When the tool is used for clamping the battery cell module, the tool can extend into the yielding groove 002. The clamping jaw between the battery cell module and the inner side wall of the battery box 400 is enough to accommodate the tool through the abdicating groove 002. When spacing arch 101 cooperates in battery box 400, the clamping jaw can be followed and abdicate groove 002 and extract, so the clamping jaw can not centre gripping electric core module and extract electric core module from battery box 400.

In another embodiment, the first end plate 100 and the second end plate 200 are respectively provided with a relief groove 002, and the relief groove 002 extends along the extending direction of the z-axis.

The clamping jaw of frock can insert the centre gripping of realizing electric core module in the groove 002 of stepping down, need not from this to reserve the gap between the inside wall of electric core module and battery box 400, perhaps, can reduce the gap width between the inside wall of electric core module and battery box 400 to improve the utilization ratio to battery box 400 inner space.

In this embodiment, the first end plate 100 and the second end plate 200 are disposed at an interval in the extending direction of the y-axis, and the cell module 300 is sandwiched between the first end plate 100 and the second end plate 200. The first end plate 100 and the second end plate 200 clamp the battery cell module 300 together, so that not only the battery cell module 300 is fixed, but also the battery cell module 300 can be protected.

Further, be equipped with respectively on first end plate 100 and the second end plate 200 and step down groove 002 to, step down groove 002 and be located between two adjacent spacing archs 101, when the inside assigned position of battery box 400 was installed to electric core module, spacing arch 101 cooperateed screens 401 in battery box 400, and the regulation frock reduces the clamping effort to electric core module, and electric core module produces the resilience, thereby makes spacing arch 101 cooperate completely in screens 401. At this moment, the clamping force of the clamping jaw to the electric core module is reduced, the clamping jaw can be pulled out along the abdicating groove 002, the first end plate 100 and the second end plate 200 can not move along with the clamping jaw in the process, and the position stability of the electric core module after being installed in place is ensured.

As shown in fig. 1, 4 and 5, the cell module 300 includes a plurality of cells 310, and the plurality of cells 310 are stacked along the extending direction of the y-axis; an elastic spacer 320 is installed between two adjacent battery cells 310.

When the first end plate 100 and the second end plate 200 co-press the cell module 300, the elastic spacer 320 is compressed, thereby reducing the size of the cell module 300 in the extending direction of the y-axis. When the inside assigned position of battery box 400 was installed to electric core module, the fixture relaxed to electric core module's clamping-force, and elasticity spacer 320 kick-backs to make electric core module 300 along the extending direction inflation of y axle, and then can push first end plate 100 and second end plate 200 butt respectively in battery box 400's inside wall, thereby make spacing arch 101 cooperate in screens 401.

As shown in fig. 2 and fig. 3, the end surfaces of the first end plate 100 and the second end plate 200, which face away from the cell module 300, are both provided with a plurality of hollow grooves 102. The plurality of hollow-out grooves 102 are arranged at intervals, part of the hollow-out grooves 102 are located in the yielding groove 002, and when the clamping jaw of the tool stretches into the yielding groove 002, the clamping jaw can be matched with the hollow-out grooves 102, so that the clamping jaw is prevented from sliding relative to the first end plate 100 and the second end plate 200. After the battery cell module is installed in place, the clamping force of the tool on the battery cell module is released, and the clamping jaw is separated from the hollow groove 102, so that the clamping jaw can be pulled out along the yielding groove 002.

Example two

As shown in fig. 1 and 5, a battery assembly according to an embodiment of the present invention includes: battery box 400 and the electric core module that embodiment provided above provided, battery box 400 is equipped with the screens 401 with spacing portion 001 looks adaptation. The battery assembly has the technical effect of the battery cell module, can ensure that the assembly position of the battery cell module relative to the battery box 400 is stable, and is favorable for improving the space utilization rate of the battery box 400.

As shown in fig. 5 and 6, in the embodiment of the present invention, the battery case 400 includes: the box body 410 and the crossbeam subassembly 420 that connects in the inside of box body 410, screens 401 sets up on crossbeam subassembly 420. Spacing portion 001 on the electric core module cooperates in screens 401 to make the electric core module bear by beam component 420, and then avoid the electric core module to produce the oppression to the water-cooling plate of battery box 400 bottom, be favorable to improving battery assembly's structural stability.

As shown in fig. 3, 5 and 6, the position limiter 401 includes a slot extending along the x-axis, and a plurality of position limiting protrusions 101 disposed on the first end plate 100 and the second end plate 200 can be inserted into the slot.

As shown in fig. 6, the beam assembly 420 includes: a first edge beam 421, a second edge beam 422, and a middle cross beam 423; the first edge beam 421, the second edge beam 422 and the middle cross beam 423 are parallel and arranged at intervals; the middle cross beam 423 is located between the first side beam 421 and the second side beam 422, and the first side beam 421, the second side beam 422 and the middle cross beam 423 are respectively provided with a clamping position 401; the battery box 400 further includes longitudinal beams 430, two ends of the longitudinal beams 430 are inserted into the first side beam 421 and the second side beam 422 in a one-to-one correspondence manner, and the middle cross beam 423 is limited between the longitudinal beams 430 and the bottom plate of the box body 410.

Specifically, the first side beam 421 and the second side beam 422 are both provided with slots, and two ends of the longitudinal beam 430 are inserted into the slots of the first side beam 421 and the second side beam 422 in a one-to-one correspondence manner. In addition, a first opening groove with an upward opening is formed in the middle of the middle cross beam 423, a second opening groove with a downward opening is formed in the middle of the longitudinal beam 430, and the first opening groove and the second opening groove are arranged oppositely. The middle cross beam 423 is limited between the longitudinal beam 430 and the bottom plate of the box body 410, the first open groove and the second open groove are meshed, so that the cross beam assembly 420 and the longitudinal beam 430 are perpendicularly crossed, external force acting on the cross beam assembly 420 can be transmitted to the longitudinal beam 430, and damage caused by stress concentration is avoided.

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; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A cell module, comprising: the battery cell module comprises a first end plate (100), a second end plate (200) and a battery cell module (300);

the cell module (300) is mounted between the first end plate (100) and the second end plate (200);

at least one of the first end plate (100) and the second end plate (200) is provided with a limiting part (001), and the limiting part (001) is used for being matched with the battery box (400).

2. The cell module according to claim 1, wherein the limiting portion (001) comprises a limiting protrusion (101), and the limiting protrusion (101) is adapted to the battery box (400).

3. The battery cell module of claim 2, wherein the limiting protrusions (101) are provided in a plurality, the limiting protrusions (101) are arranged at intervals along the extending direction of the x-axis, and a yielding groove (002) is formed between any two adjacent limiting protrusions (101).

4. The battery cell module of claim 1, wherein the first end plate (100) and the second end plate (200) are respectively provided with an abdicating groove (002), and the abdicating groove (002) extends along the extending direction of the z-axis.

5. The cell module of any one of claims 1 to 4, wherein the first end plate (100) and the second end plate (200) are arranged at intervals in the extending direction of the y-axis, and the cell module (300) is clamped between the first end plate (100) and the second end plate (200).

6. The cell module of claim 5, wherein the cell module (300) comprises a plurality of cells (310), wherein the plurality of cells (310) are stacked along a direction of extension of a y-axis;

an elastic spacer (320) is arranged between two adjacent battery cores (310).

7. The cell module of claim 1, wherein the end faces of the first end plate (100) and the second end plate (200) facing away from the cell module (300) are provided with a plurality of hollowed-out grooves (102).

8. A battery assembly, comprising: the battery box (400) and the battery cell module of any one of claims 1 to 7, wherein the battery box (400) is provided with a clamping position (401) matched with the limiting part (001).

9. The battery assembly of claim 8, wherein the battery box (400) comprises: the box body (410) and connect crossbeam subassembly (420) inside box body (410), screens (401) set up on crossbeam subassembly (420).

10. The battery assembly of claim 9, wherein the cross-beam assembly (420) comprises: a first edge beam (421), a second edge beam (422) and a middle cross beam (423);

the first edge beam (421), the second edge beam (422) and the middle cross beam (423) are parallel and arranged at intervals; the middle cross beam (423) is positioned between the first side beam (421) and the second side beam (422), and the first side beam (421), the second side beam (422) and the middle cross beam (423) are respectively provided with the clamping positions (401);

the battery box (400) further comprises longitudinal beams (430), two ends of each longitudinal beam (430) are inserted into the first side beam (421) and the second side beam (422) in a one-to-one corresponding mode, and the middle cross beam (423) is limited between the longitudinal beams (430) and the bottom plate of the box body (410).