CN211743246U

CN211743246U - Battery module frame and battery module

Info

Publication number: CN211743246U
Application number: CN202020698684.8U
Authority: CN
Inventors: 马腾; 范凯; 李鹏
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-10-23
Anticipated expiration: 2030-04-29

Abstract

The utility model relates to the technical field of batteries, a battery module frame and battery module are disclosed, battery module frame includes the frame body, be provided with the chamber that holds of the electric core that can hold the battery module on the frame body, the lateral wall of frame body is provided with fixed boss, fixed boss is followed the length direction of battery module extends, battery module frame still includes the mounting, the mounting set up to can with fixed boss is fixed in and treats the stationary plane. The battery module frame can be more stably fixed on a surface to be fixed, such as the top surface of a battery module bottom plate. Through setting up in battery module the utility model provides a battery module frame, thereby make battery module's overall structure is more firm.

Description

Battery module frame and battery module

Technical Field

The utility model relates to a battery technology field specifically relates to a battery module frame and battery module.

Background

With the current social energy crisis becoming more serious, new energy automobiles are more and more concerned by society, and electric automobiles are more concerned. Taking an electric automobile as an example, the battery pack is widely applied to the electric automobile, and the battery pack can provide electric energy for a driving motor of the electric automobile. The battery pack is also provided with a battery module.

The electric core of battery module passes through the module support to be assembled on the bottom plate of battery module, and the module support can be fixed in the bottom plate of battery module through the end plate at both ends usually, however, like this, the bottom of module support is whole can not be better be fixed in the bottom plate of battery module, from this, has influenced the structure steadiness of whole battery module.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a battery module frame, this battery module frame can be more firm be fixed in treat the fixed surface like the top surface of battery module bottom plate.

In order to achieve the above object, the utility model provides an aspect provides a battery module frame, battery module frame includes the frame body, be provided with the cavity that holds that can hold the electric core of battery module on the frame body, the lateral wall of frame body is provided with fixed boss, fixed boss follows the length direction of battery module extends, battery module frame still includes the mounting, the mounting set up to can with fixed boss is fixed in and treats the stationary plane.

Above-mentioned technical scheme, through the lateral wall of frame body sets up fixed boss and can be fixed in the mounting of treating the stationary plane with fixed boss, thereby can make battery module frame can be better be fixed in treat the stationary plane like the top surface of battery module bottom plate, the overall structure of battery module is more firm from this.

Preferably, the fixing part comprises a fixing body capable of being fixed on the surface to be fixed and a pressing plate connected to the fixing body, the pressing plate extends along the extending direction of the fixing boss, and the pressing plate can be in contact with the top wall of the fixing boss so as to press the fixing boss on the surface to be fixed.

Preferably, the fixing member includes an elastic sleeve sleeved on the pressure plate.

Preferably, the fixing part comprises a water bar which is connected with the elastic sleeve and arranged at an angle with the pressing plate, and the water bar extends along the extending direction of the fixing boss.

Preferably, a weight-reducing chamber is arranged in the fixing body, and the weight-reducing chamber extends along the extending direction of the fixing boss; and/or

The fixing body is provided with a mounting through hole for the fastener which can fix the fixing body on the surface to be fixed to pass through.

Preferably, a cooling air channel extending along the width direction of the battery module is arranged on the wall of the accommodating chamber, the cooling air channel is provided with an air inlet for the cooling air to enter and an air outlet for the cooling air after heat exchange to exhaust, wherein: the air inlet and the air outlet are respectively positioned on two sides along the width direction of the battery module.

Preferably, the frame body includes a plurality of mounting plates arranged in a length direction of the battery module;

the first surfaces of the mounting plates are provided with a plurality of ribs which are distributed at intervals along the height direction of the battery module, the ribs extend along the width direction of the battery module, the cooling air channel is formed between every two adjacent ribs, two adjacent mounting plates can jointly enclose to form the accommodating chamber, and the first surface of one mounting plate of the two adjacent mounting plates faces the second surface of the other mounting plate;

the edge of mounting panel lateral part on the width direction of battery module is provided with the boss, and is a plurality of the mounting panel is with a plurality of the same one side the common amalgamation of boss forms correspondingly fixed boss.

Preferably, the battery module frame includes a connection structure provided between the adjacent mounting plates, the connection structure including a card and a plug-in boss having a slot into which the card is inserted; wherein:

the plug-in connector is arranged on one of the mutually opposite surfaces of the adjacent mounting plates, and the plug-in boss is arranged on the other one of the mutually opposite surfaces of the adjacent mounting plates.

Preferably, the battery module frame includes an end plate disposed at an end of the frame body, an accommodation space capable of accommodating the battery cell is formed between the end plate and the mounting plate adjacent to the end plate, and a wall of the end plate facing the mounting plate is provided with a cooling channel through which cooling air passes.

The utility model discloses the second aspect provides a battery module, battery module include electric core and the utility model provides a battery module frame, electric core holds in corresponding hold in the cavity. Through setting up in battery module the utility model provides a battery module frame, thereby make battery module's overall structure is more firm.

Drawings

Fig. 1 is a schematic view illustrating a disassembled structure of a battery module according to a preferred embodiment of the present invention;

fig. 2 is a schematic perspective view of a module body of the battery module shown in fig. 1, in which a battery module frame according to a preferred embodiment of the present invention is provided;

FIG. 3 is a partially enlarged schematic view of the module body shown in FIG. 2;

fig. 4 is a schematic perspective view of a fixing member in a battery module frame according to a preferred embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of the fastener shown in FIG. 4;

fig. 6 is a schematic perspective view of a mounting plate in a battery module frame according to a preferred embodiment of the present invention;

fig. 7 is a schematic perspective view of another angle of the mounting plate in the battery module frame according to the preferred embodiment of the present invention.

Description of the reference numerals

10-a battery module backplane; 20-a battery module; 22-module body; 30-battery module upper cover; 50-a battery module frame; 51-an end plate; 510-a cooling channel; 512-convex strip; 52-a frame body; 520-a mounting plate; 522-a first support plate; 524-second support plate; 530-mounting the belt; 532-upper cover plate; 534-mounting groove; 54-fixing the boss; 540-boss; 56-a fixing member; 560-a fixed body; 561-mounting through holes; 562-pressing plate; 564-an elastic sleeve; 566-water bar; 568-weight reduction chamber; 58-cooling gas channel; 580-bead; 590-plug-in; 592-a slot; 594-an insertion boss; 596-division board.

Detailed Description

In the present invention, the use of directional terms such as "upper, lower, left and right" in the absence of a contrary explanation generally means that the directions shown in the drawings and the practical application are understood, and "inner and outer" mean inner and outer of the outline of the component.

As shown in fig. 1, the battery module 20 includes a battery module base plate 10 and a module body 22 installed on the battery module base plate 10, the battery module 20 may further include a battery module upper cover 30 covering the module body 22, and the module body 22 includes a plurality of battery cells arranged in a thickness direction of the battery cells. It should be noted that the arrangement direction of the cells of the battery module 20 is the length direction of the battery module 20, and the horizontal direction perpendicular to the length direction is the width direction of the battery module 20, it can be understood that the length direction of the battery module 20 is consistent with the length direction of the module body 22, and the width direction of the battery module 20 is consistent with the width direction of the module body 22.

The utility model provides a battery module frame, battery module frame 50 include frame body 52, are provided with the chamber that holds that can hold the electric core of battery module 20 on the frame body 52, for example, frame body 52 can be provided with a plurality of that can hold single electric core respectively hold the chamber, that is to say, every hold the chamber and can hold corresponding single electric core, the lateral wall of frame body 52 is provided with fixed boss 54, specifically speaking, fixed boss 54 can set up in the bottom of the lateral wall of frame body 52, fixed boss 54 can extend along the length direction of battery module 20, battery module frame 50 still includes mounting 56, mounting 56 sets up to be fixed in with fixed boss 54 treats the stationary plane, for example, mounting 56 can be fixed in the top surface of battery module bottom plate 10 with fixed boss 54. By arranging the fixing bosses 54 on the side walls of the frame body 52 and the fixing pieces 56 capable of fixing the fixing bosses 54 to the surface to be fixed, the battery module frame 50 can be better fixed to the surface to be fixed, such as the top surface of the battery module base plate 10, and thus the overall structure of the battery module 20 is more stable.

As shown in fig. 1, 4 and 5, the fixing member 56 may include a fixing body 560 capable of being fixed to the surface to be fixed, for example, a mounting through hole 561 may be provided on the fixing body 560, so that a fastener such as a bolt can pass through the mounting through hole 561 to fix the fixing body 560 to the surface to be fixed such as the top surface of the battery module bottom plate 10, for example, a plurality of mounting through holes 561 may be provided, and the plurality of mounting through holes 561 may be spaced apart in the length direction of the battery module 20; the fixing member 56 may include a pressing plate 562 connected to the fixing body 560, the pressing plate 562 may extend in the extending direction of the fixing protrusions 54, i.e., the length direction of the battery module 20, and the pressing plate 562 may be in contact with the top wall of the fixing protrusions 54 to be able to press the fixing protrusions 54 against the surface to be fixed, e.g., the top surface of the battery module base plate 10. Wherein the fixing body 560 and the pressure plate 562 may be formed as a single piece, for example, the fixing member 56 may be formed by extrusion molding using an aluminum profile.

In addition, weight-reduction chambers 568 may be provided in the fixing body 560, and the weight-reduction chambers 568 may extend in the extending direction of the fixing bosses 54, i.e., the length direction of the battery modules 20, so that, even if the fixing members 56 are provided on the battery module frame 50, the weight of the battery module frame 50 is not substantially increased, so that the battery module frame 50 has a proper weight.

In order to prevent the pressing plate 562 from generating excessive local stress on the fixing boss 54, an elastic sleeve 564 may be disposed outside the pressing plate 562, and the elastic sleeve 564 may also function to absorb tolerance and also function as a sealing insulation protection, wherein the elastic sleeve 564 may be made of a rubber material.

In addition, the fixing member 56 may include a water blocking bar 566 connected to the elastic sheath 564 and disposed at an angle to the pressing plate 562, for example, the water blocking bar 566 may be disposed perpendicular to the pressing plate 562, and the water blocking bar 566 may extend in the extending direction of the fixing boss 54, i.e., the length direction of the battery module 20. By the water bar 566, foreign matters such as external liquid are not easy to enter the battery module frame 50. Preferably, the water bar 566 and the elastomeric sleeve 564 may be formed as a unitary piece.

Can be in set up the cooling gas channel 58 that extends along the width direction of battery module 20 on the wall of holding the chamber, like this, can make hold in corresponding the heat of holding the interior electric core of chamber in time distributes away, has improved battery module 20's safety in utilization, it needs to explain that cooling gas channel 58 can have the confession respectively cooling gas is like the air intake that outside air got into and the cooling gas exhaust air outlet after the confession heat transfer, wherein: the air inlet and the air outlet may be respectively located at both sides in the width direction of the battery module 20, so that the cooling air may enter the corresponding cooling air passage 58 from one side of the battery module 20 and then be discharged from the other side of the battery module 20.

As shown in fig. 2 and 6 in combination, the frame body 52 may include a plurality of mounting plates 520 arranged in the length direction of the battery module 20; a plurality of ribs 580 distributed at intervals along the height direction of the battery module 20 may be disposed on the first surface of the mounting plate 520, the ribs 580 may extend along the width direction of the battery module 20, the cooling air channel 58 is formed between adjacent ribs 580, two adjacent mounting plates 520 may jointly enclose the accommodation chamber, the first surface of one mounting plate 520 of the two adjacent mounting plates 520 faces the second surface of the other mounting plate 520, it should be noted that a partition plate 596 may be disposed between two adjacent mounting plates 520, so that the accommodation chamber can be formed by enclosing two adjacent mounting plates 520 together, and is divided into a plurality of side-by-side partition chambers, and each partition chamber can accommodate a corresponding single battery cell; bosses 540 may be provided at sides of the mounting plates 520 in the width direction of the battery module 20, and the bosses 540 of the same side of the mounting plates 520 may be collectively coupled to form the corresponding fixing bosses 54. The divider plate 596 can contact the opposing rib 580.

In order to better define the cells in the accommodating chamber, a first support plate 522 capable of supporting the corresponding cells may be disposed on a first side of the mounting plate 520, and in addition, a second support plate 524 may be disposed on a second side of the mounting plate 520, and the second support plate 524 and the first support plate 522 may be capable of supporting the corresponding cells together after two adjacent mounting plates 520 are opposite to each other.

As shown in fig. 6 and 7 in combination, a connection structure may be provided between the adjacent mounting plates 520, the connection structure being capable of fixing the respective adjacent mounting plates 520 to each other, the connection structure may include an insert 590 and an insert boss 594 having an insert slot 592 into which the insert 590 is inserted, and the respective adjacent mounting plates 520 may be fixed to each other after the insert 590 is inserted into the insert slot 592 of the respective insert boss 594; wherein: the insert 590 may be disposed on one of the mutually opposite faces of the adjacent mounting plates 520, and the insertion projection 594 may be disposed on the other of the mutually opposite faces of the adjacent mounting plates 520.

In order to make the connection between the adjacent mounting plates 520 more stable, a plurality of connection structures may be provided between the adjacent mounting plates 520, for example, a plurality of, e.g., three, insertion bosses 594 having insertion slots 592 may be provided on the top of the first surface of one of the adjacent mounting plates 520, a plurality of, e.g., two, insertion bosses 594 having insertion slots 592 may be provided on the bottom wall of the first support plate 522, and correspondingly, a plurality of inserts 590 respectively fitted with the corresponding insertion slots 592 may be provided on the second surface of the other mounting plate 520.

As shown in fig. 2, 6 and 7 in conjunction, a mounting groove 534 may be provided at the top of the insertion projection 594, both sides of the mounting groove 534 in the length direction of the battery module 20 are formed in an open shape, and the mounting grooves 534 of the plurality of insertion projections 594 located at the same side are engaged with each other to form a receiving groove capable of passing a mounting band 530 that fixes the plurality of mounting plates 520 to each other.

As shown in fig. 2 and 3, the battery module frame 50 may include an end plate 51 disposed at an end of the frame body 52, a receiving space capable of receiving the battery cell is formed between the end plate 51 and the mounting plate 520 adjacent to the end plate 51, and a wall of the end plate 51 facing the mounting plate 520 is provided with a cooling channel 510 through which cooling air passes, so that heat generated by the battery cell is dissipated in time. A plurality of ribs 512 may be disposed on a wall of the end plate 51 facing the mounting plate 520 and distributed at intervals along the height direction of the battery module 20, the ribs 512 may extend along the width direction of the battery module 20, and corresponding cooling channels 510 are formed between adjacent ribs 512.

In addition, an upper cover plate 532 can be arranged at the top end of the frame body 52, the upper cover plate 532 can extend along the length direction of the battery module 20, and the top of the battery cell can be covered by the upper cover plate 532 to play a role in protection.

The utility model also provides a battery module, battery module 20 include electric core and the utility model provides a battery module frame 50, electric core holds in correspondingly hold in the cavity. Through set up in battery module 20 the utility model provides a battery module frame 50 to make battery module 20's overall structure more firm.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. The technical idea of the utility model within the scope, can be right the utility model discloses a technical scheme carries out multiple simple variant, makes up with any suitable mode including each concrete technical feature. In order to avoid unnecessary repetition, the present invention does not separately describe various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.

Claims

1. The utility model provides a battery module frame, characterized in that, battery module frame (50) includes frame body (52), be provided with the chamber that holds that can hold the electric core of battery module (20) on frame body (52), the lateral wall of frame body (52) is provided with fixed boss (54), fixed boss (54) are followed the length direction of battery module (20) extends, battery module frame (50) still includes mounting (56), mounting (56) set up to be able to be fixed in fixed boss (54) wait the stationary plane.

2. The battery module frame according to claim 1, wherein the fixing member (56) includes a fixing body (560) that can be fixed to the surface to be fixed, and a pressing plate (562) that is connected to the fixing body (560), the pressing plate (562) extends in the extending direction of the fixing boss (54), and the pressing plate (562) can be in contact with a top wall of the fixing boss (54) to be able to press the fixing boss (54) against the surface to be fixed.

3. The battery module frame according to claim 2, wherein the fixing member (56) includes an elastic sleeve (564) fitted over the pressure plate (562).

4. The battery module frame according to claim 3, wherein the fixing member (56) includes a water blocking bar (566) connected to the elastic sheath (564) and disposed at an angle to the pressing plate (562), the water blocking bar (566) extending in an extending direction of the fixing boss (54).

5. The battery module frame according to claim 2, wherein a weight-reduction chamber (568) is provided in the fixing body (560), the weight-reduction chamber (568) extending in the extending direction of the fixing boss (54); and/or

The fixing body (560) is provided with a mounting through hole (561) for a fastener which can fix the fixing body (560) on the surface to be fixed to pass through.

6. The battery module frame according to any one of claims 1 to 5, wherein a cooling air channel (58) extending in a width direction of the battery module (20) is provided on a wall of the receiving chamber, the cooling air channel (58) having an air inlet through which the cooling air enters and an air outlet through which the heat-exchanged cooling air is discharged, respectively, wherein: the air inlet and the air outlet are respectively positioned on two sides along the width direction of the battery module (20).

7. The battery module frame according to claim 6, wherein the frame body (52) includes a plurality of mounting plates (520) arranged in a length direction of the battery module (20);

the first surface of the mounting plate (520) is provided with a plurality of ribs (580) distributed at intervals along the height direction of the battery module (20), the ribs (580) extend along the width direction of the battery module (20), the cooling air channel (58) is formed between the adjacent ribs (580), two adjacent mounting plates (520) can jointly enclose to form the accommodating chamber, and the first surface of one mounting plate (520) of the two adjacent mounting plates (520) faces the second surface of the other mounting plate (520);

the lateral part of the mounting plate (520) along the width direction of the battery module (20) is provided with a boss (540), and the plurality of bosses (540) on the same side of the mounting plate (520) are spliced together to form the corresponding fixing boss (54).

8. The battery module frame according to claim 7, wherein the battery module frame (50) includes a connection structure provided between the adjacent mounting plates (520), the connection structure including an insert (590) and an insertion boss (594) having an insertion groove (592) into which the insert (590) is inserted; wherein:

the insert (590) is disposed on one of mutually opposite faces of the adjacent mounting plates (520), and the insertion boss (594) is disposed on the other of mutually opposite faces of the adjacent mounting plates (520).

9. The battery module frame according to claim 7, wherein the battery module frame (50) includes an end plate (51) provided at an end of the frame body (52), a housing space capable of housing a cell is formed between the end plate (51) and the mounting plate (520) adjacent to the end plate (51), and a wall of the end plate (51) facing the mounting plate (520) is provided with a cooling passage (510) through which cooling air passes.

10. A battery module, characterized in that the battery module (20) comprises a cell and the battery module frame (50) of any one of claims 1 to 9, the cell being accommodated in the respective accommodation chamber.