CN213782151U

CN213782151U - Bundling type battery pack

Info

Publication number: CN213782151U
Application number: CN202022570137.4U
Authority: CN
Inventors: 杨强; 唐阳; 王欢; 张男
Original assignee: Xiamen Haichen New Energy Technology Co Ltd
Current assignee: Xiamen Hithium Energy Storage Technology Co Ltd
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-23
Anticipated expiration: 2030-11-09

Abstract

The utility model discloses a tie up formula group battery, including lower carriage and base, the lower carriage sets up on the base, be provided with a plurality of batteries on the lower carriage, a plurality of batteries pass through two liang of fixes of steel ribbon, be provided with the upper cover plate on a plurality of batteries, still be provided with insulating lamella on the battery, still be provided with the stereoplasm end plate outside the insulating lamella, be fixed with on the stereoplasm end plate the steel ribbon. The battery is restrained by the steel ribbon for the hard end plate with higher hardness, and the battery expansion can be absorbed by the structure, so that the service life of the battery cannot be shortened due to the expansion.

Description

Bundling type battery pack

Technical Field

The utility model relates to a new forms of energy battery field especially relates to a tie up formula group battery.

Background

The new energy battery pack is formed by fixing a plurality of battery units together, and the size is small, so that the space can be saved for electric equipment; however, the existing new energy battery pack mostly adopts a fixing frame to fix the battery pack, and the fixing structure is complex, the grouping efficiency is low, and the manufacturing cost is high; and there is no effective solution to battery swelling; therefore, there is a need for a battery pack that can reduce thermal expansion of the battery and has a simple fixing structure.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists in the above-mentioned technique, the utility model provides a tie up formula group battery restricts the battery through the higher for the stereoplasm end plate steel ribbon of hardness, and this kind of structure can absorb the battery inflation, guarantees that the battery can not shorten life because of the inflation.

In order to realize the above-mentioned purpose, the utility model provides a tie up formula group battery, including lower carriage and base, the lower carriage sets up on the base, be provided with a plurality of batteries on the lower carriage, a plurality of batteries pass through two liang of fixes of steel ribbon, be provided with the upper cover plate on a plurality of batteries, still be provided with insulating lamella on the battery, still be provided with the stereoplasm end plate outside the insulating lamella, be fixed with on the stereoplasm end plate the steel ribbon. The battery is restrained by the steel ribbon for the hard end plate with higher hardness, and the battery expansion can be absorbed by the structure, so that the service life of the battery cannot be shortened due to the expansion.

Preferably, the hard end plate is provided with a ventilation groove, and two ends of the ventilation groove are respectively communicated with the battery through an upper cover plate and a lower support. The ventilation groove can take away heat generated by the internal battery in use, and the optimal temperature of the service environment of the battery is ensured.

Preferably, the number of the ventilation grooves is multiple, and the ventilation grooves are uniformly and parallelly arranged on the hard end plate. The heat dissipation effect is enhanced.

Preferably, be provided with a plurality of first battery screens on the lower carriage, be provided with a plurality of second battery screens on the upper cover plate, battery one end holding is in on the first battery screens, the other end holding is in on the second battery screens. The overall structure is more stable.

Preferably, two hard end plates between every two fixed batteries are fixed into a whole, and ventilation grooves used for dissipating heat of the batteries are formed in two sides of the hard end plates. Although the thickness of the fixed and integrated hard end plate is larger than that of a single hard end plate, the thickness of the fixed and integrated hard end plate is smaller than that of two single hard end plates, the whole thickness is reduced, and the size is reduced.

Preferably, two steel cable ties are arranged on the batteries fixed in pairs and are arranged at intervals up and down. The fixed structure is more stable.

Preferably, the hard end plate is made of a metal material or other high-hardness materials. The swelling of the battery can be effectively suppressed.

Preferably, a first threaded hole is formed in the lower support, a second threaded hole aligned with the first threaded hole is formed in the upper cover plate, and the lower support and the upper cover plate are fixed by sequentially penetrating the second threaded hole and the first threaded hole through bolts. The stability of overall structure is improved.

Preferably, a glue coating layer is arranged between the bundled battery and other batteries and used for fixing the left battery and the right battery. The rubber coating layer can form a gap, so that heat dissipation is facilitated, and meanwhile stability between the whole batteries is enhanced.

Preferably, one side of the battery, which is close to the upper cover plate, is provided with a conductive part, the upper cover plate is provided with a conductive hole, and the conductive part is communicated with the outside through the conductive hole.

The utility model has the advantages that: compared with the prior art, the utility model provides a tie up formula group battery, including lower carriage and base, the lower carriage sets up on the base, be provided with a plurality of batteries on the lower carriage, a plurality of batteries pass through two liang of fixes of steel ribbon, be provided with the upper cover plate on a plurality of batteries, still be provided with insulating lamella on the battery, still be provided with the stereoplasm end plate outside the insulating lamella, be fixed with on the stereoplasm end plate the steel ribbon. The battery is restrained by the steel ribbon for the hard end plate with higher hardness, and the battery expansion can be absorbed by the structure, so that the service life of the battery cannot be shortened due to the expansion.

Drawings

FIG. 1 is an exploded view of the present application;

fig. 2 is an enlarged view of part a of the present application.

Description of the symbols of the main elements: 1. a lower bracket; 2. a battery; 3. an upper cover plate; 21. a steel band; 22. an insulating sheet; 23. a hard end plate; 24. a conductive portion; 31. and (6) conducting holes.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

Example 1: please refer to fig. 1 to 2, the utility model discloses a tie up formula group battery, including lower carriage 1 and base, lower carriage 1 sets up on the base, is provided with a plurality of batteries 2 on the lower carriage 1, and a plurality of batteries 2 pass through two liang of fixes of steel ribbon 21, is provided with upper cover plate 3 on a plurality of batteries 2, still is provided with insulating piece 22 layer on the battery 2, still is provided with stereoplasm end plate 23 outside insulating piece 22 layer, is fixed with steel ribbon 21 on the stereoplasm end plate 23. The battery 2 is restrained by the steel tie 21 through the hard end plate 23 with higher hardness, and the structure can absorb the expansion of the battery 2 and ensure that the battery 2 does not have shortened service life due to the expansion.

Example 2: the hard end plate 23 of this embodiment is provided with a ventilation groove, and both ends of the ventilation groove are respectively communicated with the battery 2 through the upper cover plate 3 and the lower bracket 1. The ventilation groove can take away heat generated by the internal battery 2 in use, and the optimal temperature of the use environment of the battery 2 is ensured. The number of the ventilation slots of the embodiment is a plurality, and the ventilation slots are uniformly and parallelly arranged on the hard end plate 23. The heat dissipation effect is enhanced. The lower bracket 1 of the embodiment is provided with a plurality of first batteries 2, the upper cover plate 3 is provided with a plurality of second batteries 2, one end of each battery 2 is accommodated in the corresponding first battery 2, and the other end of each battery 2 is accommodated in the corresponding second battery 2. The overall structure is more stable. Two stereoplasm end plates 23 between two liang of fixed batteries 2 of this embodiment are fixed integral type, and both sides all are provided with and are used for the radiating ventilation groove of battery 2. The thickness of the fixed and integrated hard end plate 23 is larger than that of a single hard end plate 23, but is smaller than that of two single hard end plates 23, so that the overall thickness is reduced, and the volume is reduced. Two steel bands 21 are arranged on the batteries 2 which are fixed pairwise in the embodiment, and the two steel bands 21 are arranged at intervals up and down. The fixed structure is more stable.

Example 3: the hard end plate 23 of the present embodiment is made of a metal material or other high hardness material. The swelling of the battery 2 can be effectively suppressed. The lower support 1 of this embodiment is provided with first screw hole, is provided with the second screw hole of counterpointing with first screw hole on the upper cover plate 3, passes second screw hole and first screw hole in proper order through the bolt, and then fixed lower support 1 and upper cover plate 3. The stability of overall structure is improved. In the present embodiment, a glue layer is provided between the bundled battery 2 and the other batteries 2, and the glue layer is used to fix the left and right batteries 2. The glue coating layer can form a gap, so that heat dissipation is facilitated, and meanwhile stability between the whole batteries 2 is enhanced. The battery 2 of this embodiment is provided with a conductive part 24 on one side close to the upper cover plate 3, the upper cover plate 3 is provided with a conductive hole 31, and the conductive part 24 is communicated with the outside through the conductive hole 31.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a tie up formula group battery, its characterized in that, includes lower carriage (1) and base, lower carriage (1) sets up on the base, be provided with a plurality of batteries (2) on lower carriage (1), a plurality of batteries (2) are two liang fixed through steel ribbon (21), be provided with upper cover plate (3) on a plurality of batteries (2), still be provided with insulating piece (22) layer on battery (2), still be provided with stereoplasm end plate (23) outside insulating piece (22) layer, be fixed with on stereoplasm end plate (23) steel ribbon (21).

2. The bundled battery pack according to claim 1, wherein the rigid end plate (23) is provided with a ventilation groove, and both ends of the ventilation groove are communicated with the battery (2) through the upper cover plate (3) and the lower bracket (1), respectively.

3. The bundled battery pack according to claim 2, wherein the number of the ventilation slots is plural and the ventilation slots are uniformly arranged in parallel on the rigid end plate (23).

4. The bundled battery pack according to claim 1, characterized in that the lower frame (1) is provided with a plurality of first battery clips, the upper cover plate (3) is provided with a plurality of second battery clips, and the batteries (2) are accommodated on the first battery clips at one end and on the second battery clips at the other end.

5. The bundled battery pack according to claim 1, characterized in that the two rigid end plates (23) between two fixed batteries (2) are fixed and integrated, and both sides are provided with ventilation slots for dissipating heat from the batteries (2).

6. The bundled battery pack according to claim 1, characterized in that two steel bands (21) are provided on each pair of fixed batteries (2), said two steel bands (21) being spaced one above the other.

7. The bundled battery pack according to claim 1, characterized in that the hard end plate (23) is made of a metal material or other high-hardness material.

8. The bundled battery pack according to claim 1, wherein a first threaded hole is formed in the lower bracket (1), a second threaded hole aligned with the first threaded hole is formed in the upper cover plate (3), and bolts are sequentially passed through the second threaded hole and the first threaded hole to fix the lower bracket (1) and the upper cover plate (3).

9. The bundled battery pack according to claim 1, characterized in that a glue layer is provided between the bundled battery (2) and the other batteries (2), said glue layer being used to fix the left and right batteries (2).

10. The bundled battery pack according to claim 1, wherein a conductive portion (24) is provided on a side of the battery (2) adjacent to the upper cover plate (3), and a conductive hole (31) is provided on the upper cover plate (3), and the conductive portion (24) communicates with the outside through the conductive hole (31).