CN212136549U

CN212136549U - Battery pack module and battery pack

Info

Publication number: CN212136549U
Application number: CN202021222586.3U
Authority: CN
Inventors: 于世梦; 李乐
Original assignee: Svolt Energy Technology Co Ltd
Current assignee: Svolt Energy Technology Co Ltd
Priority date: 2020-06-28
Filing date: 2020-06-28
Publication date: 2020-12-11
Anticipated expiration: 2030-06-28

Abstract

The utility model relates to a battery package module and battery package, the battery package module includes electric core (1), FPC board (2) and support piece (3), FPC board (2) pass through support piece (3) fixed connection in electric core (1), support piece (3) are located FPC board (2) are in vertical projection. The battery pack module can improve the energy density of a battery pack.

Description

Battery pack module and battery pack

Technical Field

The disclosure relates to the technical field of power batteries, in particular to a battery pack module and a battery pack.

Background

At present, the electric vehicle industry is developed vigorously, the driving range of the electric vehicle is more and more concerned by people, the energy density of the battery pack is closely related to the driving range of the electric vehicle, and particularly, the higher the energy density of the battery pack is, the longer the driving range of the electric vehicle is. In the related art, a plurality of battery pack modules form a battery pack, and therefore, it is required to design a battery pack module capable of increasing the energy density of the battery pack.

SUMMERY OF THE UTILITY MODEL

An object of the present disclosure is to provide a battery pack module capable of improving energy density of a battery pack.

In order to achieve the above object, the present disclosure provides a battery pack module, the battery pack module includes an electric core, an FPC board and a support piece, the FPC board passes through the support piece fixed connection in the electric core, the support piece is located in the projection of the FPC board in the vertical direction.

Optionally, the support is configured as a resilient buffer.

Optionally, the elastomeric buffer is configured as foam.

Optionally, the foam is hollow.

Optionally, battery package module includes end seat, plug connector and mounting panel, plug connector fixed connection in the mounting panel, mounting panel detachably connect in the end seat.

Optionally, the end base has two risers that the interval set up, the mounting panel span in two the riser and respectively with two the riser can be dismantled and be connected to enclose and hold the accommodation space of plug connector, the plug connector set up in the accommodation space.

Optionally, the mounting plate is screwed with each vertical plate through an insulating screw.

Optionally, the plug connector is welded to the mounting plate.

Optionally, the number of the supporting members is at least two, and the at least two supporting members are arranged at intervals along the extending direction of the FPC board.

According to a second aspect of the present disclosure, a battery pack is provided, which includes the battery pack module as described above.

Through the technical scheme, in the battery package module that this disclosure provided, support piece can play the supporting role to the FPC board, because support piece is arranged in the vertical projection of FPC board, consequently, support piece's size is very little by the design, support piece self weight also can reduce greatly promptly for the electric core quantity of battery package module can increase under the same weight, like this, support piece is when realizing supporting the FPC board, can also improve the energy density of battery package module, can improve the energy density of battery package promptly.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a schematic structural diagram of a battery pack module provided according to an embodiment of the present disclosure;

FIG. 2 is an enlarged view of portion A of FIG. 1;

fig. 3 is a schematic partial structural view of a battery pack module provided according to an embodiment of the present disclosure, in which an FPC board, a support member, and a plug-in connector are shown.

Description of the reference numerals

1-battery cell, 2-FPC board, 3-supporting piece, 4-end seat, 41-vertical board, 5-plug connector, 6-mounting board, 7-insulating screw, 8-bus bar, 9-nickel sheet, 10-double faced adhesive tape and 20-temperature sensor.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, in the case where no description is made on the contrary, the battery pack module is defined to have an XYZ coordinate system for convenience of description, and in the case where no description is made on the contrary, the X axis corresponds to the lateral direction of the battery pack module, the Y axis corresponds to the longitudinal direction of the battery pack module, and the Z axis corresponds to the vertical direction of the battery pack module. "inner and outer" refer to the inner and outer contours of each component part itself. Further, in the following description, when referring to the drawings, the same reference numbers indicate the same or similar elements.

According to an embodiment of the present disclosure, a battery pack module is provided, and fig. 1 to 3 show an example of the battery pack module, and referring to fig. 1 and 3, the battery pack module includes a battery cell 1, an FPC (flexible Printed circuit) board 2, and a supporting member 3, where the FPC board 2 is fixedly connected to the battery cell 1 through the supporting member 3, and the supporting member 3 is located in a projection of the FPC board 2 in a vertical direction.

Through the technical scheme, in the battery package module that this disclosure provided, support piece 3 can play the supporting role to FPC board 2, because support piece 3 is located the vertical projection of FPC board 2, consequently, support piece 3's size is very little by the design, support piece 3 self weight also can reduce greatly promptly, make 1 quantity of electric core of battery package module can increase under the same weight, like this, support piece 3 is when realizing supporting FPC board 2, can also improve the energy density of battery package module, can improve the energy density of battery package promptly.

It should be noted that the FPC board 2 refers to a flexible circuit board or a flexible circuit board, and the FPC board 2 is well known to those skilled in the art, and the details of the disclosure are not repeated herein. In addition, the present disclosure does not limit the specific connection manner of the support 3 with the electric core 1 and the FPC board 2, and the present disclosure will be described in detail in the following embodiments. In addition, the present disclosure does not limit the specific material of the supporter 3, and the present disclosure will be described in detail in the following embodiments.

In some embodiments of the present disclosure, referring to fig. 3, the supporting member 3 can be fixedly connected to the electric core 1 and the FPC board 2 by bonding, for example, the double-sided adhesive tape 10 is bonded to the electric core 1 and the FPC board 2, so as to simplify the connection structure between the three, and avoid adding a heavy connecting member to connect.

In some embodiments of the present disclosure, the supporting member 3 may be configured as an elastic buffer member capable of preventing the FPC board 2 from being damaged by itself or the like when it is greatly impacted, i.e., the elastic buffer member is capable of buffering the impact force applied to the FPC board 2.

In some embodiments, the elastic buffer member may be configured as foam, and since the density of the foam is low, the weight of the foam can be further reduced, and the energy density of the battery pack can be further improved. Of course, the elastomeric bumpers of the present disclosure may also be constructed of other low density materials, and the present disclosure is not limited thereto.

Alternatively, referring to fig. 3, the foam can be hollow, so that the foam can support the PFC board 2 while greatly reducing its own weight, and the energy density of the battery pack can be improved.

In some embodiments of the present disclosure, referring to fig. 1 and 2, the battery pack module includes an end seat 4, a plug connector 5, and a mounting plate 6, wherein the plug connector 5 is fixedly connected to the mounting plate 6, and the mounting plate 6 is detachably connected to the end seat 4, so that the mounting plate 6 can provide a mounting base for the plug connector 5, and the mounting plate 6 can be detached from the end seat 4 to facilitate replacement and maintenance of the plug connector 5. Here, the present disclosure does not limit the specific connection of the mounting board 6 and the plug 5, and the present disclosure will be described in detail in the following embodiments. In addition, because FPC board 2 and plug connector 5 can realize self fixed through respective fixed knot structure respectively, FPC board 2 is fixed in electric core 1 through support piece 3 promptly, and plug connector 5 is fixed in mounting panel 6 to when avoiding the two to install through same mounting structure for example same support, lead to this support self heavier and reduce the energy density of battery package self.

In some embodiments, the plug 5 may be welded to the mounting plate 6, so that the plug 5 can be firmly fixed to the mounting plate 6 by welding, thereby ensuring the stability of the plug 5.

In some embodiments, referring to fig. 1 to 3, the end seat 4 may have two spaced vertical plates 41, and the mounting plate 6 spans (in the X direction) the two vertical plates 41 and is detachably connected to the two vertical plates 41 respectively to form a receiving space for receiving the plug 5, and the plug 5 is disposed in the receiving space. This accommodation space can effectively avoid plug connector 5 to receive external damage, guarantees the stability of battery package module and even battery package work.

According to a first embodiment, shown in fig. 2 with reference to the drawings, the mounting plate 6 can be screwed with each riser 41 by means of insulating screws 7. Specifically, each vertical plate 41 may be formed with a threaded hole extending in the vertical direction, the mounting plate 6 is formed with a threaded hole corresponding thereto, and the insulating screw 7 may be in threaded fit with the threaded hole, so as to detachably connect the vertical plate 41 and the mounting plate 6.

According to the second embodiment, the mounting plate 6 can be clamped on the vertical plate 41, for example, one of the mounting plate 6 and the vertical plate 41 is formed with a buckle, and the other is formed with a clamping groove, and the buckle cooperate to realize the detachable connection of the mounting plate 6 and the vertical plate 41.

In the embodiments provided in the present disclosure, referring to fig. 1 and 3, the number of the supports 3 may be at least two, and at least two supports 3 are arranged at intervals in the extending direction of the FPC board 2. Thus, the at least two supporting members 3 can stably support the FPC board 2, preventing the FPC board 2 from being deformed, etc. Here, the FPC board 2 may extend in the longitudinal direction, i.e., the Y direction, which is not limited by the present disclosure.

In the embodiment of the present disclosure, referring to fig. 1, two adjacent electric cores 1 in the longitudinal direction are connected in series through a bus bar 8, each bus bar 8 is electrically connected to the FPC board 2 through a nickel sheet 9, and the end of the FPC board 2 is electrically connected to the plug 5 or the low-voltage plug, so that the FPC board 2 can collect the voltage of the electric core 1 through the nickel sheet 9.

In addition, referring to fig. 1, a temperature sensor 20 may be connected to the nickel plate 9, and the temperature sensor 20 may be capable of indirectly detecting the temperature of the battery cell 1 by detecting the temperature of the bus bar 8.

According to a second aspect of the present disclosure, there is provided a battery pack including the battery pack module as described above, so that the battery pack can improve its own energy density.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims

1. The utility model provides a battery package module, its characterized in that, battery package module includes electric core (1), FPC board (2) and support piece (3), FPC board (2) pass through support piece (3) fixed connection in electric core (1), support piece (3) are located FPC board (2) are in vertical projection.

2. The battery pack module according to claim 1, wherein the support (3) is configured as an elastic buffer.

3. The battery pack module of claim 2, wherein the elastomeric buffer is configured as foam.

4. The battery pack module of claim 3, wherein the foam is hollow.

5. The battery pack module according to any one of claims 1-4, wherein the battery pack module comprises an end socket (4), a plug connector (5) and a mounting plate (6), wherein the plug connector (5) is fixedly connected to the mounting plate (6), and wherein the mounting plate (6) is detachably connected to the end socket (4).

6. The battery pack module according to claim 5, wherein the end seat (4) has two spaced vertical plates (41), the mounting plate (6) spans the two vertical plates (41) and is detachably connected to the two vertical plates (41) respectively to form a receiving space for receiving the plug connector (5), and the plug connector (5) is disposed in the receiving space.

7. The battery pack module according to claim 6, wherein the mounting plate (6) is screwed with each vertical plate (41) by an insulating screw (7).

8. The battery pack module according to claim 6, wherein the plug connector (5) is welded to the mounting plate (6).

9. The battery pack module according to claim 1, wherein the number of the supporting members (3) is at least two, and the at least two supporting members (3) are arranged at intervals in the extending direction of the FPC board (2).

10. A battery pack comprising the battery pack module according to any one of claims 1 to 9.