CN216624435U

CN216624435U - Modular battery pack assembly

Info

Publication number: CN216624435U
Application number: CN202123334616.7U
Authority: CN
Inventors: 罗意
Original assignee: Hunan Haibo Ruide Electronic Intelligence Control Technology Co ltd
Current assignee: Hunan Haibo Ruide Electronic Intelligence Control Technology Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-27
Anticipated expiration: 2031-12-28

Abstract

The utility model discloses a modular battery pack assembly which comprises an outer shell and a battery cell module, wherein the outer shell comprises a rear shell, a front cover plate, a left side plate and a right side plate, the rear shell is U-shaped, the left side plate and the right side plate are respectively arranged on two sides of the rear shell, the front cover plate is simultaneously connected with the rear shell, the left side plate and the right side plate to form an accommodating cavity in a surrounding manner, and the battery cell module is arranged in the accommodating cavity; the shell body further comprises an insulating pressing strip, and the insulating pressing strip abuts against the side faces, facing to each other, of the left side plate and the right side plate. The modular battery pack assembly provided by the utility model ensures that the constraint of the frame outside the battery cell module in all directions is firm, so that the tightness of the shell is improved.

Description

Modular battery pack assembly

Technical Field

The utility model relates to the field of batteries, in particular to a modular battery pack assembly.

Background

In the related art, a plurality of battery modules are disposed in a case of a battery pack, and the volume and energy ratio of the battery modules determine the capacity of the battery pack. However, the space of the battery module of the conventional battery pack occupies a large area, the volume of the battery pack is preferred, and the case of the battery pack is easily loosened and falls off on the premise that the space of the battery module occupies a large area.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a modular battery pack assembly, which solves the above problems.

In order to achieve the purpose, the utility model provides a modular battery pack assembly which comprises an outer shell and a battery cell module, wherein the outer shell comprises a rear shell, a front cover plate, a left side plate and a right side plate, the rear shell is U-shaped, the left side plate and the right side plate are respectively arranged on two sides of the rear shell, the front cover plate is simultaneously connected with the rear shell, the left side plate and the right side plate to form an accommodating cavity in a surrounding manner, and the battery cell module is arranged in the accommodating cavity; the shell body further comprises an insulating pressing strip, and the insulating pressing strip abuts against the side faces, facing to each other, of the left side plate and the right side plate.

In an embodiment, the battery cell module comprises a plurality of flexible package batteries and a PCB, the flexible package batteries are sequentially bonded to form the rectangular battery cell module, and the PCB is disposed on one side of the battery cell module, which is close to the front cover plate.

In an embodiment, the PCB board includes the board body and sets up the installation department that this body upper portion of board and both sides protrusion set up, the left side board with offer on the right side board and be used for dodging dodge the groove of dodging of installation department.

In an embodiment, two ends of the insulating pressing bar respectively abut against the groove walls of the avoidance grooves of the left side plate and the right side plate.

In one embodiment, the outer edge of the rear case is provided with a plurality of first fastening holes at regular intervals.

In an embodiment, the top and the bottom of the left side plate and the right side plate are respectively provided with a plurality of second fastening holes, and the first fastening holes are matched with the second fastening holes.

In an embodiment, the back surfaces of the left side plate and the right side plate are both provided with an operation cavity.

In one embodiment, the front cover plate comprises a pressing plate, a vertical plate and a bottom plate, the pressing plate and the bottom plate are respectively connected to two ends of the vertical plate, the cross section of the front cover plate is Z-shaped, and the pressing plate and the bottom plate are both connected with the upper wall surface of the rear shell.

In the technical scheme of the utility model, the modular battery pack assembly comprises a rear shell, a front cover plate, a left side plate and a right side plate, wherein the rear shell is U-shaped, the left side plate and the right side plate are respectively arranged at two sides of the rear shell, the front cover plate is simultaneously connected with the rear shell, the left side plate and the right side plate to form an accommodating cavity in a surrounding manner, and the battery cell module is arranged in the accommodating cavity; the shell body further comprises an insulating pressing strip, and the insulating pressing strip abuts against the side faces, facing to each other, of the left side plate and the right side plate. In this technical scheme, back casing, front shroud, left side board and right side board connect gradually and form a frame construction, live electric core module's bottom, side parcel, ensure firmly, insulating layering is pushed down the module top and is contradicted the left side board with on the side that the right side board faced each other, it is firm to ensure that the restraint of frame all directions is firm, improves the fastening nature of shell.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a modular battery pack assembly according to an embodiment of the present invention.

The reference numbers illustrate: 10. a battery cell module; 20. a rear housing; 30. a front cover plate; 31. pressing a plate; 32. a vertical plate; 33. a base plate; 40. a left side plate; 50. a right side plate; 51. an avoidance groove; 52. an operating chamber.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The utility model provides a modular battery pack assembly.

As shown in fig. 1, a modular battery pack assembly provided in an embodiment of the present invention includes an outer housing and a battery cell module 10, where the outer housing includes a rear housing 20, a front cover plate 30, a left side plate 40, and a right side plate 50, the rear housing 20 is U-shaped, the left side plate 40 and the right side plate 50 are respectively disposed at two sides of the rear housing 20, the front cover plate 30 is simultaneously connected to the rear housing 20, the left side plate 40, and the right side plate 50 to form an accommodating cavity, and the battery cell module 10 is disposed in the accommodating cavity; the outer case further includes an insulating bead abutting on a side surface of the left side plate 40 and the right side plate 50 facing each other.

In this embodiment, the modular battery pack assembly includes a rear housing 20, a front cover plate 30, a left side plate 40, and a right side plate 50, where the rear housing 20 is U-shaped, the left side plate 40 and the right side plate 50 are respectively disposed at two sides of the rear housing 20, the front cover plate 30 is simultaneously connected with the rear housing 20, the left side plate 40, and the right side plate 50 to form an accommodating cavity, and the battery cell module 10 is disposed in the accommodating cavity; the outer case further includes an insulating bead abutting on a side surface of the left side plate 40 and the right side plate 50 facing each other. In this technical scheme, back casing 20, front shroud 30, left side board 40 and right side board 50 connect gradually and form a frame construction, live electric core module 10's bottom, side parcel, ensure firmly, insulating layering is pushed down the module top and is contradicted on left side board 40 with on the side that right side board 50 faced each other, it is firm to ensure that the restraint of frame all directions is firm, improves the fastening nature of shell.

Wherein, electric core module 10 includes a plurality of laminate polymer battery and PCB board, and is a plurality of laminate polymer battery bonds in proper order in order to form and is the rectangle electric core module 10, the PCB board set up in electric core module 10 is close to apron 30 one side.

And simultaneously, the PCB board includes the board body and sets up the installation department that this body upper portion of board and both sides protrusion set up towards, left side board 40 with offer on the right side board 50 and be used for dodging dodge groove 51 of installation department. In this embodiment, the plurality of tabs penetrate through the plate body, and after being bent and welded in series, the modules are connected in series.

Further, two ends of the insulating pressing bar respectively abut against the groove walls of the avoiding grooves 51 of the left side plate 40 and the right side plate 50. In this embodiment, make the both ends of insulating layering contradict respectively the left side board 40 with on the cell wall of the groove 51 is dodged to right side board 50 for the shell body is when using, and the insulating layering can give shell body pressure, prevents that the shell body warp, and owing to need set up on left side board 40 and right side board 50 and dodge groove 51, consequently with the insulating layering setting on dodging the cell wall of groove 51, can further prevent to dodge groove 51 and warp under external extrusion.

In addition, a plurality of first fastening holes are uniformly arranged at intervals on the outer edge of the rear case 20, a plurality of second fastening holes are arranged on the top and bottom of the left side plate 40 and the right side plate 50, and the first fastening holes and the second fastening holes are matched. In this embodiment, the fastening member is inserted through the first fastening hole and the second fastening hole by providing the first fastening hole and the second fastening hole to complete the fastening. In this embodiment, since the fastening member of the second fastening hole at the bottom is inconvenient to install, in a preferred embodiment, the back surfaces of the left side plate 40 and the right side plate 50 are opened with the operation cavities 52. The staff can lock the fastener of the second fastening hole of bottom above, has improved staff's operation convenience.

Meanwhile, the front cover plate 30 comprises a pressing plate 31, a vertical plate 32 and a bottom plate 33, the pressing plate 31 and the bottom plate 33 are respectively connected to two ends of the vertical plate 32, the cross section of the front cover plate 30 is Z-shaped, and the pressing plate 31 and the bottom plate 33 are connected with the upper wall surface of the rear shell 20. In this embodiment, the pressing plate 31 is pressed on the upper portion of the rear housing 20, and the insulating pressing strip is located below the rear housing 20, and two ends of the insulating pressing strip are abutted and fixed, so that a relatively stable frame can be provided, and the stability of the frame is improved.

In the above embodiment, the modular battery pack assembly further comprises a BMS for protecting the board electronic control module and a wired transmission module, wherein the transmission module can perform data communication with the plurality of modules.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the specification and drawings, or any other related technical fields, which are directly or indirectly applied to the present invention, are included in the scope of the present invention.

Claims

1. A modular battery pack assembly is characterized by comprising an outer shell and a battery cell module, wherein the outer shell comprises a rear shell, a front cover plate, a left side plate and a right side plate, the rear shell is U-shaped, the left side plate and the right side plate are respectively arranged on two sides of the rear shell, the front cover plate is simultaneously connected with the rear shell, the left side plate and the right side plate to form an accommodating cavity in a surrounding manner, and the battery cell module is arranged in the accommodating cavity; the shell body further comprises an insulating pressing strip, and the insulating pressing strip abuts against the side faces, facing to each other, of the left side plate and the right side plate.

2. The modular battery pack assembly of claim 1, wherein the cell module comprises a plurality of flexible-package batteries and a PCB, the flexible-package batteries are sequentially bonded to form the rectangular cell module, and the PCB is disposed on one side of the cell module, which is close to the front cover plate.

3. The assembly of claim 2, wherein the PCB comprises a plate body and mounting portions arranged on the upper portion of the plate body and protruding towards two sides, and the left side plate and the right side plate are provided with avoiding grooves for avoiding the mounting portions.

4. The assembly of claim 3, wherein two ends of the insulating compression bar respectively abut against the groove walls of the avoidance grooves of the left side plate and the right side plate.

5. The modular battery pack assembly of claim 1, wherein the outer edge of the rear case is provided with a plurality of first fastening holes at regular intervals.

6. The assembly as claimed in claim 5, wherein the top and bottom of the left and right side plates are provided with a plurality of second fastening holes, and the first fastening holes and the second fastening holes are fitted.

7. The assembly of claim 6, wherein the back surfaces of the left side plate and the right side plate are both provided with an operation cavity.

8. The assembly of claim 5, wherein the front cover plate comprises a pressing plate, a vertical plate and a bottom plate, the pressing plate and the bottom plate are respectively connected to two ends of the vertical plate, the cross section of the front cover plate is Z-shaped, and the pressing plate and the bottom plate are both connected with the upper wall surface of the rear shell.