Stacked new energy battery pack

Abstract

This utility model relates to the field of new energy and discloses a stackable new energy battery pack, including a first battery pack shell, a second battery pack shell mounted on the top of the first battery pack shell, and reinforcing bases installed inside both the first and second battery pack shells. A battery pack body is mounted on the reinforcing base, and splicing blocks are installed on both sides of the top of the first and second battery pack shells. This stackable new energy battery pack facilitates guidance during stacking through the splicing blocks, and the height of the stacking bracket must be greater than that of the stacking connector to ensure proper assembly of the stacking connector. A gap is reserved between the stacking bracket and the welded sheet metal parts of the housing, and this gap must be smaller than the movement gap of the positioning guide pins on the stacking connector to ensure that the stacking connector is installed in place in one go. The stacked power sockets and power interfaces are hidden inside the product, resulting in a small overall product size and solving the problem of inconvenient stacking due to multiple welding positions.

Description

Technical Field

[0001] This utility model relates to the field of new energy technology, specifically a stacked new energy battery pack. Background Technology

[0002] The new energy battery pack is the core energy storage unit that provides driving power to the entire vehicle. The battery pack consists of multiple battery cells and incorporates a battery management system.

[0003] The conventional method of stacking battery packs involves reducing the size of the battery pack cover, lengthening the four side walls of the pack relative to the bottom plate, and then fitting the side walls onto the cover for positioning after stacking. Positioning pins on both sides of the pack are used for guidance. The pack structure is complex, requiring disassembly and welding at many points, and the four side walls need to be bent and reinforced, resulting in high overall cost. The lengthened side walls also waste bottom space and increase the product size.

[0004] There is an urgent need for a stacked new energy battery pack to address the technical deficiencies mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a stacked new energy battery pack to solve the problems of multiple welding positions and high manufacturing costs mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a stacked new energy battery pack, comprising a first battery pack shell, a second battery pack shell mounted on the top of the first battery pack shell, a reinforcing base installed inside both the first and second battery pack shells, a battery pack body mounted on the reinforcing base, splicing blocks installed on both sides of the top of the first and second battery pack shells, a power socket installed at the middle position of the top of the first battery pack shell, splicing slots provided on both sides of the bottom of the first and second battery pack shells, fastening grooves provided inside the splicing slots, a power socket installed at the middle position of the bottom of the second battery pack shell, mounting bolts provided between the first and second battery pack shells, and reinforcing anti-collision pads installed on both sides inside the first and second battery pack shells.

[0007] As a further technical solution of this utility model, the splicing block is trapezoidal, and the splicing block is embedded in the splicing slot and locked in place with the fastening slot.

[0008] As a further technical solution of this utility model, the power socket of the first battery pack housing is connected to the power interface at the bottom of the second battery pack housing.

[0009] As a further technical solution of this utility model, a second battery pack housing in the shape of a rectangle is installed on the top of the first battery pack housing and fixed by mounting bolts.

[0010] As a further technical solution of this utility model, the top of the first battery pack housing is equipped with a reserved groove on both sides of the second battery pack housing.

[0011] As a further technical solution of this utility model, an indicator light is provided on the front end of the second battery pack housing and installed on the top end of the first battery pack housing.

[0012] Compared with the prior art, the beneficial effects of this utility model are: the stacked new energy battery pack not only realizes the functions of easy splicing and assembly, simple structure and low manufacturing cost, but also the functions of compact size;

[0013] (1) By setting a second battery pack housing, splicing block, second battery pack housing, power socket, splicing slot and power interface, the first battery pack housing and the second battery pack housing are stacked in motion. When stacking, the splicing block on the second battery pack housing is inserted into the splicing slot at the bottom of the second battery pack housing to be fixed in place. After the product is stacked, the upper and lower battery packs are fixed together with screws at this position to facilitate the guidance during stacking. The height of the stacking bracket must be greater than that of the stacking connector to ensure that the stacking connector is assembled in place. The stacking bracket and the box are welded sheet metal parts with a reserved gap. This gap must be smaller than the movement gap of the positioning guide pin on the stacking connector to ensure that the stacking connector is installed in place at one time. The stacked power socket and power interface are hidden inside the product. The overall product size is small. This structure realizes the function of easy stacking and splicing.

[0014] (2) By providing a first battery pack housing, a second battery pack housing and mounting bolts, the chassis structure of the first battery pack housing and the second battery pack housing is simplified, with less processing and lower cost. The plates on the top of the first battery pack housing and the second battery pack housing for stacking are fixed and locked by mounting bolts, so they can be disassembled and removed to facilitate the inspection and maintenance of the battery pack body inside the first battery pack housing and the second battery pack housing. This structure achieves the functions of simple structure and low manufacturing cost.

[0015] (3) By setting a first battery pack housing, a second battery pack housing, a reserved groove and an indicator light, the first battery pack housing and the second battery pack housing adopt a simplified box structure. The reserved grooves on both sides of the first battery pack housing and the second battery pack housing facilitate the movement and transfer of personnel. The indicator lights on the first battery pack housing and the second battery pack housing facilitate the intuitive viewing of the status of each battery pack. This structure adopts a box-type structure that is compact, small and space-saving. Attached Figure Description

[0016] Figure 1 This is a frontal cross-sectional view of the present invention.

[0017] Figure 2 This is a frontal perspective three-dimensional structural diagram of the first battery pack of this utility model;

[0018] Figure 3 For the present utility model Figure 1 Enlarged structural diagram at point A in the middle;

[0019] Figure 4 This is a bottom-view perspective view of the second battery pack housing of this utility model.

[0020] In the diagram: 1. First battery pack housing; 2. Splicing clip; 3. Second battery pack housing; 4. Mounting bolt; 5. Power connector; 6. Battery pack body; 7. Reinforcing anti-collision pad; 8. Reinforcing base; 9. Splicing slot; 10. Fastening slot; 11. Reserved groove; 12. Indicator light; 13. Power connector. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 An embodiment of this utility model provides: a stacked new energy battery pack, including a first battery pack shell 1, a second battery pack shell 3 installed at the top of the first battery pack shell 1, a reinforcing base 8 installed inside both the first battery pack shell 1 and the second battery pack shell 3, a battery pack body 6 installed on the reinforcing base 8, splicing blocks 2 installed on both sides of the top of the first battery pack shell 1 and the second battery pack shell 3, a power socket 5 installed at the middle position of the top of the first battery pack shell 1, splicing slots 9 provided on both sides of the bottom of the first battery pack shell 1 and the second battery pack shell 3, fastening slots 10 provided inside the splicing slots 9, a power socket 13 installed at the middle position of the bottom of the second battery pack shell 3, mounting bolts 4 provided between the first battery pack shell 1 and the second battery pack shell 3, and reinforcing anti-collision pads 7 installed on both sides inside the first battery pack shell 1 and the second battery pack shell 3;

[0023] The splicing block 2 is trapezoidal. The splicing block 2 is embedded in the splicing slot 9 and is fixedly engaged with the fastening slot 10. The power socket 5 of the first battery pack housing 1 is connected to the power socket 13 at the bottom of the second battery pack housing 3.

[0024] Specifically, such as Figure 1 and Figure 2 As shown, the first battery pack housing 1 and the second battery pack housing 3 are stacked in an movable manner. During stacking, the splicing block 2 on the second battery pack housing 3 is inserted into the splicing slot 9 at the bottom of the second battery pack housing 3 to be fixed in place. After the products are stacked, the upper and lower battery packs are fixed together with screws at this position to facilitate guidance during stacking. The height of the stacking bracket must be greater than that of the stacking connector to ensure that the stacking connector is assembled in place. A gap is reserved between the stacking bracket and the sheet metal parts welded to the housing. This gap must be smaller than the movement gap of the positioning guide pin on the stacking connector to ensure that the stacking connector is installed in place at once. The stacked power socket 5 and power interface 13 are hidden inside the product, resulting in a small overall product size.

[0025] The top of the first battery pack housing 1 is fitted with a second battery pack housing 3, which is rectangular in shape and fixed by mounting bolts 4;

[0026] Specifically, such as Figure 1 and Figure 4 As shown, the chassis structure of the first battery pack housing 1 and the second battery pack housing 3 is simplified, with less processing and lower cost. The plates on the top of the first battery pack housing 1 and the second battery pack housing 3 for stacking are fixed and locked by mounting bolts 4, so they can be disassembled to facilitate the inspection and maintenance of the battery pack body 6 inside the first battery pack housing 1 and the second battery pack housing 3.

[0027] The top of the first battery pack housing 1 is equipped with the second battery pack housing 3, and both sides are provided with reserved grooves 11. The top of the first battery pack housing 1 is equipped with the second battery pack housing 3, and the front end is provided with indicator lights 12.

[0028] Specifically, such as Figure 1 and Figure 3 As shown, the first battery pack housing 1 and the second battery pack housing 3 adopt a simplified box structure. The reserved grooves 11 on both sides of the first battery pack housing 1 and the second battery pack housing 3 facilitate the movement and transfer by the staff. The indicator lights 12 on the first battery pack housing 1 and the second battery pack housing 3 make it convenient to intuitively view the status of each battery pack.

[0029] Working principle: The first battery pack housing 1 and the second battery pack housing 3 are stacked. During stacking, the splicing block 2 on the second battery pack housing 3 is inserted into the splicing slot 9 at the bottom of the second battery pack housing 3 for locking and fixing. After the products are stacked, the upper and lower battery packs are fixed together with screws at this position, which facilitates guidance during stacking. The height of the stacking bracket must be greater than that of the stacking connector to ensure that the stacking connector is assembled in place. The stacking bracket and the sheet metal parts welded to the box have a reserved gap, and this gap must be smaller than the movement gap of the positioning guide pin on the stacking connector to ensure that the stacking connector is installed in place at one time. The power socket 5 and power interface 13 of the stack are hidden inside the product. The overall product size is small. The first battery pack housing 1 and the second battery pack housing 3 adopt a simplified box structure. The reserved grooves 11 on both sides of the first battery pack housing 1 and the second battery pack housing 3 facilitate the movement and transfer of personnel. The chassis structure of the first battery pack housing 1 and the second battery pack housing 3 is simplified, with less processing and lower cost.

[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. A stacked new energy battery pack, comprising a first battery pack housing (1), characterized in that: A second battery pack housing (3) is installed on the top of the first battery pack housing (1). A reinforcing base (8) is installed inside both the first battery pack housing (1) and the second battery pack housing (3). A battery pack body (6) is installed on the reinforcing base (8). Splicing blocks (2) are installed on both sides of the top of the first battery pack housing (1) and the second battery pack housing (3). A power socket (5) is installed at the middle position of the top of the first battery pack housing (1). Splicing slots (9) are provided on both sides of the bottom of the first battery pack housing (1) and the second battery pack housing (3). A fastening slot (10) is provided inside the splicing slot (9). A power socket (13) is installed at the middle position of the bottom of the second battery pack housing (3). A mounting bolt (4) is provided between the first battery pack housing (1) and the second battery pack housing (3). Reinforcing anti-collision pads (7) are installed on both sides inside the first battery pack housing (1) and the second battery pack housing (3).

2. The stacked new energy battery pack according to claim 1, characterized in that: The splicing block (2) is trapezoidal and is embedded inside the splicing slot (9) and engaged and fixed with the fastening slot (10).

3. The stacked new energy battery pack according to claim 1, characterized in that: The power connector (5) of the first battery pack housing (1) is connected to the power connector (13) at the bottom of the second battery pack housing (3).

4. A stacked new energy battery pack according to claim 1, characterized in that: The top of the first battery pack housing (1) is fitted with a second battery pack housing (3) which is rectangular and fixed by mounting bolts (4).

5. A stacked new energy battery pack according to claim 1, characterized in that: The top of the first battery pack housing (1) is fitted with a second battery pack housing (3), and both sides are provided with reserved grooves (11).

6. A stacked new energy battery pack according to claim 1, characterized in that: The top of the first battery pack housing (1) is equipped with an indicator light (12) on the front end of the second battery pack housing (3).

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