Battery module for self-balancing vehicle

Abstract

The present utility model relates to a battery module for a self-balancing vehicle. The battery module comprises a casing and a battery cell group mounted in the casing, wherein one end of the battery cell group is mounted on a first battery cell holder, and the other end thereof is mounted on a second battery cell holder, and an acquisition board is connected to the first battery cell holder, a charge and discharge connector cable is connected to the acquisition board, and the charge and discharge connector cable extends outwards through the casing; several integrally-formed positioning posts and snap-fit fasteners are provided on the side of the first battery cell holder that is close to the acquisition board, and downwardly-extending snap-fit posts and first mounting recesses for mounting the upper ends of the battery cell group are provided on the other side of the first battery cell holder; and insertion slots matching the snap-fit posts and second mounting recesses for mounting the lower ends of the battery cell groove are provided on the side of the second battery cell holder that is close to the battery cell group. By means of a rational configuration, the present utility model can effectively improve the space utilization rate and save the production cost, and has good structural stability, facilitates mounting and dismounting, and can meet the production and processing requirements.

Description

A battery module for a balancing vehicle Technical Field

[0001] The utility model relates to the technical field of batteries, in particular to a battery module for a balancing vehicle. Background Art

[0002] As a clean, efficient and sustainable new energy source, lithium batteries have the advantages of long life, light weight and small size. They are widely used in electric vehicles, energy storage systems, smart homes and other fields. For some larger means of transportation, such as self-balancing scooters, batteries with larger capacitance are required. However, the space utilization rate of traditional self-balancing scooter battery combinations is low, and the arrangement of battery cells is unreasonable, which requires a large space and leads to high weight. At the same time, it also leads to a long communication harness between the BMS and BDU, which easily causes the harness in the battery pack to be messy and disordered.

[0003] Utility Model Content

[0004] Based on this, it is necessary to provide a balanced vehicle battery module to address the problems existing in the prior art.

[0005] A battery module for a balance vehicle comprises a shell and a battery cell group installed in the shell, wherein one end of the battery cell group is installed on a first battery cell holder, and the other end is installed on a second battery cell holder, and the first battery cell holder is connected to a collection board, and the collection board is connected to a charging and discharging connector line, and the charging and discharging connector line extends outward through the shell, and the first battery cell holder is provided with a plurality of integrally formed positioning columns and buckles on one side close to the collection board, and a downwardly extending card column and a first mounting groove for mounting the upper end of the battery cell group on the other side; the second battery cell holder is provided with a plug-in slot adapted to the card column and a second mounting groove for mounting the lower end of the battery cell group on one side close to the battery cell group, and a reinforcing rib is provided on the outer side of the plug-in slot.

[0006] In one embodiment, the acquisition board is provided with a first card slot, a second card slot and a positioning hole, the positioning hole is adapted to the positioning column, and the first card slot is adapted to the buckle.

[0007] In one embodiment, the battery cell group includes a plurality of battery cell units, each of the battery cell units includes two or more battery cells, and both ends of the battery cells in each of the battery cell units are connected in series and in parallel via nickel sheets.

[0008] In one embodiment, the nickel sheet includes a nickel disk closely attached to the end surface of each battery cell and a nickel strip for connecting adjacent nickel disks.

[0009] In one embodiment, a through hole is respectively provided in the first mounting groove and the second mounting groove, and the diameter of the through hole is smaller than the diameter of the nickel plate.

[0010] In one embodiment, the nickel sheet includes a first nickel sheet and a second nickel sheet, the upper surface of the first battery cell holder is provided with a first reserved installation position adapted to the first nickel sheet, and the lower surface of the second battery cell holder is provided with a second reserved installation position adapted to the second nickel sheet.

[0011] In one embodiment, a first pole tab extends from the edge of the first nickel sheet, the first pole tab is bent toward the second slot and is in close contact with the acquisition board; a second pole tab extends from the edge of the second nickel sheet, the second pole tab is bent toward the edge of the second battery cell holder.

[0012] In one embodiment, the shell is a "bow"-shaped structure, which includes a first shell and a second shell. When the first shell and the second shell are covered, a accommodating cavity for installing the first battery cell holder, the second battery cell holder, the collection board and the battery cell group is formed.

[0013] In one embodiment, a plurality of overlapping mounting holes are provided between the first shell and the second shell.

[0014] In one embodiment, the first shell, the second shell, the first battery holder and the second battery holder are all made of ABS or PC material.

[0015] The above-mentioned battery module for balancing vehicles has a simple structure and can effectively improve space utilization and save production costs through reasonable settings. It also has good structural stability, is easy to install and disassemble, saves time and effort, and can meet the needs of production and processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] FIG1 is a schematic diagram of the disassembled structure of a battery module for a balancing vehicle according to the present invention;

[0017] FIG2 is a schematic diagram of the assembly structure of a battery module for a balancing vehicle according to the present invention;

[0018] FIG3 is a schematic diagram of a partial structure of a battery module for a balancing vehicle according to the present invention;

[0019] FIG4 is a schematic diagram of a partial structure of a battery module for a balancing vehicle according to the present invention;

[0020] FIG5 is a schematic diagram of the structure of a first battery cell support of a battery module for a balancing vehicle according to the present invention;

[0021] FIG6 is a schematic structural diagram of the first cell support of a battery module for a balancing vehicle according to the present invention from another angle;

[0022] FIG7 is a schematic diagram of the structure of a second battery cell support of a battery module for a balancing vehicle according to the present invention;

[0023] FIG8 is a schematic structural diagram of the second cell bracket of a battery module for a balancing vehicle according to the present invention from another angle.

[0024] Among them, 10, shell, 110, first shell, 120, second shell, 130, mounting hole, 20, battery cell group, 210, battery cell unit, 211, battery cell, 30, first battery cell bracket, 310, positioning column, 320, buckle, 330, card column, 340, first mounting groove, 341, through hole, 350, first reserved mounting position, 40, second battery cell bracket, 410, plug-in slot, 411, reinforcement rib, 420, second mounting groove, 430, second reserved mounting position, 50, acquisition board, 510, first card slot, 520, second card slot, 530, positioning hole, 60, charging and discharging connector line, 70, nickel sheet, 710, first nickel sheet, 711, first pole ear, 712, nickel plate, 713, nickel strip. Modes for Carrying Out the Invention

[0025] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time. In contrast, when an element is referred to as being "directly on" another element, there is no intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only."

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended only to describe specific embodiments and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0028] As shown in Figures 1 to 8, a battery module for a balancing vehicle includes a housing 10 and a cell group 20 installed in the housing 10. One end of the cell group 20 is installed on a first cell holder 30, and the other end is installed on a second cell holder 40. The first cell holder 30 is connected to a collection board 50, and the collection board 50 is connected to a charge and discharge connector line 60. The charge and discharge connector line 60 extends outward through the housing 10. The first cell holder 30 is close to the collection board 50. One side is equipped with several integrally formed positioning posts 310 and clips 320. The collection board 50 is provided with a first slot 510, a second slot 520, and a positioning hole 530. The positioning hole 530 is adapted to the positioning post 310, and the first slot 510 is adapted to the clip 320. During installation, the positioning post 310 is positioned through the positioning hole 530, and the clip 320 is secured to the collection board 50 through the first slot 510. In this utility model, the integrated wiring outlet of the collection board 50 effectively reduces labor and gluing costs, while also reducing wiring harnesses and saving space.

[0029] Furthermore, a downwardly extending post 330 and a first mounting groove 340 for mounting the upper end of the cell group 20 are provided on a side of the first cell holder 30 away from the collection board 50, and a plug-in groove 410 adapted to the post 330 and a second mounting groove 420 for mounting the lower end of the cell group 20 are provided on a side of the second cell holder 40 close to the cell group 20. In the present utility model, the first cell holder 30 and the second cell holder 40 are connected and fixed by means of a snap 320, which saves time and effort and can effectively improve assembly efficiency. In addition, the first cell holder 30 and the second cell holder 40 can support and protect the entire cell group 20, making the structure firm and reliable.

[0030] Furthermore, a reinforcing rib 411 is provided on the outer side of the plug-in slot 410. The provision of the reinforcing rib 411 can further enhance the stability of the structure and prevent the battery cell group 20 from shaking and falling during operation.

[0031] Furthermore, the battery cell group 20 includes a plurality of battery cell units 210, each of the battery cell units 210 includes two or more battery cells 211, and the two ends of the battery cells 211 in each of the battery cell units 210 are connected in series and parallel through nickel sheets 70, wherein the nickel sheets 70 include nickel plates 712 tightly attached to the end faces of each battery cell 211 and nickel strips 713 for connecting adjacent nickel plates 712.

[0032] Furthermore, the nickel sheet 70 includes a first nickel sheet 710 and a second nickel sheet, the upper surface of the first battery cell holder 30 is provided with a first reserved mounting position 350 adapted to the first nickel sheet 710, and the lower surface of the second battery cell holder 40 is provided with a second reserved mounting position 430 adapted to the second nickel sheet. In addition, since the first mounting groove 340 and the second mounting groove 420 are respectively provided with through holes 341, the diameter of the through hole 341 is smaller than the diameter of the nickel plate 712. During the installation process, the first nickel sheet 710 is installed on the first reserved mounting position 350 and is attached to the upper end face of the battery cell 211 through its corresponding through hole 341, and the second nickel sheet is installed on the second reserved mounting position 430 and is attached to the lower end face of the battery cell 211 through its corresponding through hole 341.

[0033] Furthermore, a first pole ear 711 extends from the edge of the first nickel sheet 710, and the first pole ear 711 is bent toward the direction of the second slot 520 and is in close contact with the collection board 50; a second pole ear extends from the edge of the second nickel sheet, and the second pole ear is bent toward the edge of the second battery cell holder 40, which facilitates external connection and makes the overall structure more compact.

[0034] In addition, the shell 10 is a "bow"-shaped structure, which includes a first shell 110 and a second shell 120. When the first shell 110 and the second shell 120 are covered, a receiving cavity for installing the first battery cell holder 30, the second battery cell holder 40, the collection board 50 and the battery cell group 20 is formed; in the present utility model, the shell 10 is designed to be a "bow"-shaped structure that matches the bearing space of the balance vehicle, which can enable the battery module to be tightly combined with the transmission components of the balance vehicle, which is conducive to the miniaturization and lightweight of the battery module structure, while improving the overall space utilization, it also reduces the energy loss caused by current transmission; and, in order to facilitate the installation and disassembly of the battery module, a number of overlapping installation holes 130 are provided between the first shell 110 and the second shell 120.

[0035] In addition, in the present invention, the first shell 110, the second shell 120, the first battery cell holder 30 and the second battery cell holder 40 are all made of ABS or PC materials, in order to make the battery module structure have better insulation and improve its installation performance.

[0036] The above-mentioned battery module for balancing vehicles has a simple structure and can effectively improve space utilization and save production costs through reasonable settings. It also has good structural stability, is easy to install and disassemble, saves time and effort, and can meet the needs of production and processing.

[0037] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0038] The above-described embodiments merely represent several implementation methods of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A balanced vehicle battery module, comprising a housing and a battery cell group installed inside the housing. One end of the battery cell group is installed on a first battery cell bracket, and the other end is installed on a second battery cell bracket. A collection board is connected to the first battery cell bracket, the collection board is connected to a charge and discharge connection wire, and the charge and discharge connection wire extends outwards through the housing. It is characterized in that, On one side of the first battery cell bracket close to the acquisition board, there are a number of integrally formed positioning posts and buckles, and on the other side, there are card columns extending downward and a first installation groove for installing the upper end of the battery cell group; on one side of the second battery cell bracket close to the battery cell group, there is a plug-in groove adapted to the card columns and a second installation groove for installing the lower end of the battery cell group, and there are reinforcing ribs on the outside of the plug-in groove.

2. The battery module for a balance vehicle according to claim 1, characterized in that On the acquisition board, there are a first card slot, a second card slot and positioning holes, the positioning holes are adapted to the positioning posts, and the first card slot is adapted to the buckles.

3. The battery module for a balance vehicle according to claim 2, characterized in that, The battery cell group includes a number of battery cell units, each battery cell unit includes two or more battery cells, and the two ends of the battery cells in each battery cell unit are respectively connected in series and parallel through nickel sheets.

4. The battery module for a balance vehicle according to claim 3, wherein, The nickel sheet includes a nickel disc closely attached to the end faces of each battery cell and a nickel strip for connecting adjacent nickel discs.

5. The battery module for a balance vehicle according to claim 4, characterized in that, Through holes are respectively provided in the first installation groove and the second installation groove, and the diameter of the through holes is smaller than the diameter of the nickel disc.

6. The battery module for a balance vehicle according to claim 4, wherein The nickel sheet includes a first nickel sheet and a second nickel sheet, and a first reserved installation position adapted to the first nickel sheet is provided on the upper surface of the first battery cell bracket, and a second reserved installation position adapted to the second nickel sheet is provided on the lower surface of the second battery cell bracket.

7. The battery module for a balance vehicle according to claim 6, characterized in that A first tab extends from the edge of the first nickel sheet, the first tab is bent towards the direction of the second card slot and is in close contact with the acquisition board; a second tab extends from the edge of the second nickel sheet, and the second tab is bent towards the edge of the second battery cell bracket.

8. The battery module for a balance vehicle according to claim 1, characterized in that, The outer shell is in a "bow" - shaped structure, which includes a first shell and a second shell. After the first shell and the second shell are closed, a containing cavity for installing the first battery cell bracket, the second battery cell bracket, the acquisition board and the battery cell group is formed.

9. The battery module for a balance vehicle according to claim 8, wherein A number of overlapping installation holes are provided between the first shell and the second shell.

10. The battery module for a balance vehicle according to claim 8, characterized in that, The first shell, the second shell, the first battery cell bracket and the second battery cell bracket are all made of ABS or PC materials.

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