CN219937262U

CN219937262U - Stacked battery pack

Info

Publication number: CN219937262U
Application number: CN202322463436.1U
Authority: CN
Inventors: 袁萍萍; 刘贺师; 张贵锋; 崔长伟; 吴鹏
Original assignee: Henan Lithium Power Source Co Ltd
Current assignee: Henan Lithium Power Source Co Ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2023-10-31
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a stacked battery pack, which comprises a plurality of single battery packs stacked on each other, wherein each single battery pack comprises a battery box, sliding chute clamping pins are arranged on a top plate of the battery box, and clamping grooves matched with the sliding chute clamping pins are arranged on a bottom plate of the battery box at positions corresponding to the sliding chute clamping pins; the rear end face of the battery box is provided with a wiring harness routing groove, and the upper end and the lower end of the wiring harness routing groove are of an open structure; the upper end and the lower end of the wiring groove of the wiring harness are fixedly provided with positioning plates, the top surface of each positioning plate positioned at the upper end is provided with a positioning hole, and the top surface of each positioning plate positioned at the lower end is provided with a spring positioning pin matched with the positioning hole; the utility model has the advantages of convenient stacking and dismounting operation, firm fixation, more compact structure, no shaking, improved safety by adopting the hidden wire harness design, and the like, and simultaneously ensures the beautiful appearance of the product.

Description

Stacked battery pack

Technical Field

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

Background

The energy storage power supply has the advantages that the energy storage power utilization needs to be increased, the development of lithium batteries has great influence on the energy storage industry, and the existing energy storage power supply is limited in power supply when in use, so that a stacked battery pack is needed to meet the requirement of larger power supply; patent publication number CN219246856U discloses a portable road rescue modularization stacking device of new energy automobile, realizes piling up each other through location boss and draw-in groove that are equipped with on the group battery box, but has to pile up group battery fixed not firm, takes place to rock easily, and the pencil is disordered after the group battery interconnect, has the potential safety hazard, influences equipment pleasing to the eye scheduling problem simultaneously.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the stacked battery pack which is convenient to stack and disassemble, firm in fixation, compact in structure and free from shaking, and the safety is improved by adopting a hidden wire harness design, the attractive appearance of the product is ensured, and the problems in the background technology can be effectively solved.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the stacked battery pack comprises a plurality of single battery packs stacked on each other, wherein each single battery pack comprises a battery box, sliding groove clamping pins are arranged on a top plate of the battery box, and clamping grooves matched with the sliding groove clamping pins are arranged on a bottom plate of the battery box at positions corresponding to the sliding groove clamping pins; the rear end face of the battery box is provided with a wiring harness routing groove, and the upper end and the lower end of the wiring harness routing groove are of an open structure; the upper end and the lower end of the wiring groove of the wiring harness are fixedly provided with positioning plates, the top surface of each positioning plate positioned at the upper end is provided with a positioning hole, and the top surface of each positioning plate positioned at the lower end is provided with a spring positioning pin matched with the positioning hole; the top surface of the battery box at the uppermost end is fixedly connected with a top cover through a screw, the bottom plate of the battery box at the bottom end is fixed on the bottom support through a screw, and the bottom surface of the bottom support is provided with a roller.

Furthermore, the chute bayonet lock is a U-shaped bayonet lock with a downward opening, a clamping opening is formed at one side end of the bottom of the chute bayonet lock, and the chute bayonet lock is arranged in the same direction; the clamping groove is of a rectangular hole structure.

Further, a BMS protection plate, a battery pack positive electrode plug-in unit and a battery pack negative electrode plug-in unit are fixedly arranged in the wiring groove of the wiring harness; BMS protection shield passes through screw detachable fixed connection in pencil wiring recess.

Further, the locating plate is of a rectangular plate-shaped structure, the length of the locating plate is matched with the width of the wiring groove of the wiring harness, the middle part of the end face of the rear side of the locating plate is of a concave structure, and the spring locating pin and the locating hole are both located on the outer side of the concave structure on the locating plate.

Furthermore, the rear end face of the positioning plate is provided with a ball catch, the single battery pack further comprises a rear cover arranged at the wiring groove of the wiring harness, diamond bayonet locks are arranged at the positions of the rear cover corresponding to the ball catch, and the diamond bayonet locks on the rear cover are inserted into the ball catch corresponding to the diamond bayonet locks; and a built-in handle is arranged on the outer wall of the rear cover.

Furthermore, the two side walls of the battery box are provided with built-in handles, and the front side wall of the battery box is provided with a display.

Compared with the prior art, the utility model has the beneficial effects that: the stacked battery pack has the advantages that the upper end battery box is clamped with the chute clamping pin of the lower end battery box through the clamping groove to limit the vertical movement of the upper end battery box and the chute clamping pin of the lower end battery box; the upper end battery box is nested in the positioning hole of the lower end battery box through the spring positioning pin, so that the battery box is limited to horizontally move, the stacking of two adjacent groups of single battery packs is realized, the stacking and the dismounting operations are convenient, the fixing is firm, the structure is more compact, and the shaking cannot occur; the battery pack positive electrode plug-in and the battery pack negative electrode plug-in are both arranged in the wiring harness routing groove of the battery box, so that wiring harness connection between the single battery packs is facilitated, and wiring harness routing is facilitated through a concave structure arranged on the positioning plate; through this hidden design of pencil, improved the security promptly, also guaranteed the pleasing to the eye of product simultaneously.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of a single battery pack according to the present utility model;

FIG. 3 is a schematic diagram of an axial measurement of a battery box according to the present utility model;

FIG. 4 is a schematic view of the back structure of the battery box of the present utility model;

FIG. 5 is an enlarged view of a portion of FIG. 4;

FIG. 6 is a schematic view of the rear cover structure of the present utility model;

fig. 7 is a schematic view of a chute bayonet according to the present utility model.

In the figure: 1 single battery pack, 11 battery boxes, 111 chute bayonet locks, 1111 bayonet lock, 112 bayonet grooves, 113 built-in handles, 114 displays, 115 wiring harness wiring grooves, 12 rear covers, 121 diamond bayonet locks, 122 built-in handles, 13 positioning plates, 131 positioning holes, 132 spring positioning pins, 133 latching bead locks, 14 BMS protection plates, 15 battery pack positive pole plug-ins, 16 battery pack negative pole plug-ins, 2 top covers, 3 bottom supports and 31 idler wheels.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1-7, the present utility model provides a technical solution: the stacked battery pack comprises a plurality of single battery packs 1 stacked and placed on a bottom support 3, wherein each single battery pack 1 comprises a battery box 11, a top plate of each battery box 11 is provided with a sliding groove clamping pin 111, each sliding groove clamping pin 111 is a U-shaped clamping piece with a downward opening, one side end of the bottom of each sliding groove clamping pin 111 is provided with a clamping notch 1111, and the sliding groove clamping pins 111 are all arranged in the same direction; clamping grooves 112 matched with the corresponding sliding groove clamping pins 111 are formed in the bottom plate of the battery box 11, and the clamping grooves 112 are of rectangular hole structures; a wire harness routing groove 115 is formed in the rear end face of the battery box 11, and the upper end and the lower end of the wire harness routing groove 115 are of an open structure; the BMS protection plate 14, the battery pack positive electrode plug-in 15 and the battery pack negative electrode plug-in 16 are fixedly arranged in the wiring harness routing groove 115; the BMS protection plate 14 is detachably and fixedly connected in the wire harness routing groove 115 through a screw; the upper end and the lower end of the wire harness routing groove 115 are fixedly provided with positioning plates 13, the positioning plates 13 are of rectangular plate-shaped structures, the length of each positioning plate 13 is matched with the width of the wire harness routing groove 115, and the middle part of the end face of the rear side of each positioning plate 13 is of a concave structure; the top surface of the positioning plate 13 at the upper end is provided with a positioning hole 131 at the outer side of the concave structure, and the top surface of the positioning plate 13 at the lower end is provided with a spring positioning pin 132 matched with the positioning hole 131; the top surface of the battery box 11 at the uppermost end is fixedly connected with a top cover 2 through screws, the bottom plate of the battery box 11 at the bottom end is fixed on the bottom support 3 through screws, and the bottom surface of the bottom support 3 is provided with rollers 31.

Working principle:

the battery box 11 of the lowest single battery pack 1 is fixed on the bottom support 3 through screws, then the battery boxes 11 of other single battery packs 1 are sequentially stacked and placed on the battery box 11 at the lowest end, specifically, the battery box 11 at the upper end is placed on the top plate of the battery box 11 at the lower end, the chute clamping pins 111 are nested in the corresponding clamping grooves 112, the upper end battery box 11 is pushed to enable the bottom plate of the upper end battery box 11 to be clamped and embedded at the clamping notch 1111 of the chute clamping pins 111, namely, the upper end battery box 11 is mutually clamped and connected with the chute clamping pins 111 of the battery box 11 at the lower end through the clamping grooves 112 to limit the vertical movement of the two; then, the spring positioning pin 132 of the upper battery box 11 is nested in the positioning hole 131 of the lower battery box 11, so that the battery box 11 is limited to horizontally move, and the stacking of the upper and lower single battery packs 1 is completed; the battery pack positive electrode plug-in 15 and the battery pack negative electrode plug-in 16 are both arranged in the wiring harness routing groove 115 of the battery box 11, so that wiring harness connection between the single battery packs 1 is facilitated, and wiring harness routing is facilitated through a concave structure arranged on the positioning plate 13; the BMS protection plate 14 is detachably fixed in the wire harness routing groove 115 through screws, so that the BMS protection plate 14 is convenient to maintain; the uppermost unit cell stack 1 is protected by the top cap 2, and the stacked cell stack is conveniently moved by the roller 31.

In the stacked battery pack disclosed in the embodiment, the upper end battery box 11 is clamped with the chute clamping pin 111 of the lower end battery box 11 through the clamping groove 112 to limit the vertical movement of the upper end battery box and the chute clamping pin 111; the upper end battery box 11 is nested in the positioning hole 131 of the lower end battery box 11 through the spring positioning pin 132, so that the battery box 11 is limited to horizontally move, the stacking of two adjacent groups of single battery packs 1 is realized, the stacking and the dismounting are convenient, the fixation is firm, the structure is more compact, and the shaking can not occur; the battery pack positive electrode plug-in 15 and the battery pack negative electrode plug-in 16 are both arranged in the wiring harness routing groove 115 of the battery box 11, so that wiring harness connection between the single battery packs 1 is facilitated, and wiring harness routing is facilitated through a concave structure arranged on the positioning plate 13; through adopting this hidden design of pencil, improved the security promptly, also guaranteed the pleasing to the eye of product simultaneously.

Further, the rear end surfaces of the positioning plates 13 are provided with ball-catching catches 133, the single battery pack 1 further comprises a rear cover 12 arranged at the wiring groove 115 of the wiring harness, diamond-shaped bayonet locks 121 are arranged at positions of the rear cover 12 corresponding to the ball-catching catches 133, and the diamond-shaped bayonet locks 121 on the rear cover 12 are inserted into the ball-catching catches 133 corresponding to the diamond-shaped bayonet locks; a built-in handle 122 is arranged on the outer wall of the rear cover 12; the diamond bayonet lock 121 on the rear cover 12 is inserted into the collision lock catch 133 on the positioning plate 13, the battery positive plug-in 15, the battery negative plug-in 16 and the wire harness are protected through the rear cover 12, and the rear cover 12 is convenient to detach.

Further, the two side walls of the battery box 11 are respectively provided with a built-in handle 113, and the front side wall of the battery box 11 is provided with a display 114.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a stacked battery, is equipped with a plurality of monomer battery groups of stacking each other and placing on the collet, its characterized in that: the single battery pack comprises a battery box, wherein the top plate of the battery box is provided with chute clamping pins, and the bottom plate of the battery box is provided with clamping grooves matched with the corresponding chute clamping pins; the rear end face of the battery box is provided with a wiring harness routing groove, and the upper end and the lower end of the wiring harness routing groove are of an open structure; the upper end and the lower end of the wiring groove of the wiring harness are fixedly provided with positioning plates, the top surface of each positioning plate positioned at the upper end is provided with a positioning hole, and the top surface of each positioning plate positioned at the lower end is provided with a spring positioning pin matched with the positioning hole; the top surface of the battery box at the uppermost end is fixedly connected with a top cover through a screw, the bottom plate of the battery box at the bottom end is fixed on the bottom support through a screw, and the bottom surface of the bottom support is provided with a roller.

2. A stacked battery as claimed in claim 1, wherein: the sliding groove clamping pin is a U-shaped clamping piece with a downward opening, one side end of the bottom of the sliding groove clamping pin is provided with a clamping notch, and the sliding groove clamping pins are all arranged in the same direction; the clamping groove is of a rectangular hole structure.

3. A stacked battery as claimed in claim 1, wherein: the BMS protection plate, the battery pack positive electrode plug-in unit and the battery pack negative electrode plug-in unit are fixedly arranged in the wiring groove of the wiring harness; BMS protection shield passes through screw detachable fixed connection in pencil wiring recess.

4. A stacked battery as claimed in claim 1, wherein: the locating plate is of a rectangular plate-shaped structure, the length of the locating plate is matched with the width of the wiring groove of the wiring harness, the middle part of the end face of the rear side of the locating plate is of a concave structure, and the spring locating pin and the locating hole are both located on the outer side of the concave structure on the locating plate.

5. A stacked battery as claimed in claim 1, wherein: the rear side end surfaces of the positioning plates are respectively provided with a ball catch, the single battery pack further comprises a rear cover arranged at the wiring groove of the wiring harness, diamond bayonet locks are respectively arranged at the positions of the rear cover corresponding to the ball catches, and the diamond bayonet locks on the rear cover are inserted into the ball catches corresponding to the rear cover; and a built-in handle is arranged on the outer wall of the rear cover.

6. A stacked battery as claimed in claim 1, wherein: the two side walls of the battery box are respectively provided with a built-in handle, and the front side wall of the battery box is provided with a display.