CN207587797U - It is a kind of to fix the battery case of double cell module combination that superposition is placed up and down - Google Patents

Abstract

The utility model discloses a battery box combined with double-battery modules that can be fixed and stacked up and down, comprising a hollow main body of the battery box. The top of the lower housing (9) is fixedly provided with at least one double battery module combination (10); each said double battery module combination (10) includes an upper module (2) and a lower module ( 3); the top surfaces of the upper die set (2) and the lower die set (3) are equipped with a positive output terminal and a negative output end; the upper die set (2) and the lower die set (3) are fixedly connected; Each of the double-battery module assemblies (10) is fixedly connected to the battery box lower casing (9). The utility model can ensure that the battery modules are firmly fixed on the battery box when any two battery modules in the battery box are stacked up and down.

Description

A battery box that can fix the combination of double battery modules stacked up and down

technical field

The utility model relates to the technical field of batteries, in particular to a battery box which can be fixed and stacked up and down with double battery module combinations.

Background technique

At present, due to its good environmental protection performance, low energy consumption and relatively mature technology, electric vehicles have attracted great attention from the country, and the industry has developed rapidly.

With the popularization of urban electric vehicles, the installation and fixing of battery boxes containing multiple battery modules (that is, multiple battery packs) in the vehicle has its own specific requirements. On the one hand, it should not be too heavy, because if it is too heavy, it will seriously affect The cruising range of electric vehicles, on the other hand, requires the structural strength of the battery box to be high enough, because the strength directly affects the overall safety of electric vehicles.

For the current power battery module of an electric vehicle, it is generally attached to the bottom surface of the battery box for installation. Due to the limited overall space of electric vehicles, the space for placing battery boxes at the front and rear is relatively compact. Therefore, sometimes under certain circumstances, two battery modules are required to be stacked one above the other, and the battery modules must be firmly fixed on the on the battery case.

However, there is no technology at present, which can ensure that the battery modules are firmly fixed on the battery box when any two battery modules in the battery box are stacked up and down.

Utility model content

In view of this, the purpose of this utility model is to provide a battery box that can be fixed and stacked up and down with a combination of double battery modules, which can ensure that the battery The module is firmly fixed on the battery box, which is conducive to widespread application and can form a large-scale industry, which has great practical significance for production.

For this reason, the utility model provides a battery box that can be fixed and stacked up and down with a combination of double battery modules, including a hollow battery box main body, and the bottom of the battery box main body is the lower shell of the battery box;

At least one double battery module combination is fixedly arranged on the top of the lower casing of the battery box;

Each of the dual-battery module combinations includes an upper module and a lower module stacked up and down;

The top surfaces of the upper module and the lower module are equipped with a positive output terminal and a negative output terminal;

The upper die set and the lower die set are fixedly connected together;

Each of the dual-battery module assemblies is fixedly connected to the lower case of the battery box.

Wherein, the left and right sides of the front ends of the upper die set and the lower die set are respectively fixedly connected together by a long bolt, and the long bolts pass through the front ends of the upper die set and the lower die set;

The left and right sides of the rear end of the upper die set and the lower die set are respectively fixedly connected together by a long bolt, and the long bolt penetrates through the rear ends of the upper die set and the lower die set.

Wherein, an upper bracket is fixedly connected to the left and right sides of each double battery module combination, and each upper bracket is fixedly connected to the top of the lower casing of the battery box.

Wherein, each of the top inner, front and rear ends of the upper bracket has a long bolt fixing ear respectively, and each of the long bolt fixing ears is set correspondingly to one of the long bolts and connected to each other;

The front and rear ends of the lower outer side of each of the upper brackets respectively have a horizontally distributed short bolt fixing ear, and each of the short bolt fixing ears is fixedly connected with one of the short bolts, and each of the short bolts is connected to the short bolt. The top surface of the lower shell of the battery box is fixedly connected together.

Wherein, each of the long bolt fixing lugs is provided with a long bolt through hole, and the shape and size of each of the long bolt through holes correspond to the shape and size of the long bolt;

Each of the short bolt fixing lugs is provided with a short bolt through hole, and the shape and size of each short bolt through hole correspond to the shape and size of the short bolt;

The shape and size of each upper bracket correspond to the shape and size of the left and right sides of the dual battery module combination.

Wherein, each of the upper brackets is an X-shaped bracket.

Wherein, each of the upper brackets includes two cross-distributed reinforcing ribs.

Wherein, the left and right sides of the two reinforcing ribs also have fixed supporting ribs, and each of the long bolt fixing lugs and the short bolt fixing lugs is located at the upper and lower ends of one of the fixing supporting ribs.

Wherein, for each double-battery module combination, four hollow bushings are arranged in the gap between the upper die set and the lower die set, and each of the long bolts passes through one of the bushes;

A heating plate or a liquid cooling plate is also arranged in the gap between the upper mold set and the lower mold set.

Wherein, when the battery box includes multiple pairs of the double-battery module combinations, the two upper modules in each pair of the double-battery module combinations are connected in series through short series rows, and each pair The two lower modules in the dual-battery module combination are connected in series through long series rows;

For any two adjacent pairs of the dual-battery module combinations that are opposite to each other, the short bolt fixing lugs on the lower parts of the two upper brackets are integrally formed.

It can be seen from the technical solution provided by the utility model above that, compared with the prior art, the utility model provides a battery box that can be fixed and stacked up and down with a combination of double battery modules, and any two batteries in the battery box can be placed When the battery modules are stacked up and down, it is ensured that the battery modules are firmly fixed on the battery box, which is conducive to widespread promotion and application, and can form a large-scale industry, which has great practical significance for production.

For the battery box provided by the utility model, through the fixing effect of the upper bracket, long bolts, short bolts and other components, it can ensure the firm fixing of the double battery module combination with two battery modules stacked up and down, and its space utilization High efficiency, high installation strength and stability, which can ensure that the battery module will not loosen under various complex environments such as acceleration, sudden braking, turning and collision of electric vehicles, ensuring the overall safety of electric vehicles .

Description of drawings

Fig. 1 is a three-dimensional structural schematic diagram of a battery box with a double-battery module combination that can be fixed and stacked up and down provided by the utility model when the top of the lower shell of the battery box is provided with a double-battery module combination;

Fig. 2 is a partially enlarged three-dimensional structure schematic diagram of a battery box with a double-battery module combination that can be fixed and stacked up and down provided by the utility model when a double-battery module combination is arranged on the top of the battery box lower shell;

Fig. 3 is a three-dimensional structural schematic diagram of each double-battery module combination stacked up and down in the battery box provided by the utility model that can be fixed and stacked up and down;

Fig. 4 is a three-dimensional structural schematic diagram of each upper bracket in the battery box of a double-battery module combination that can be fixedly stacked up and down provided by the utility model;

In the figure, 1 is the upper bracket, 2 is the upper battery module, 3 is the lower battery module, 4 is the bushing, 5 is the long bolt, and 6 is the short bolt;

9 is the lower casing of the battery box, and 10 is a combination of dual battery modules;

11 is a long bolt fixing ear, 110 is a long bolt through hole, 12 is a short bolt fixing ear, 120 is a short bolt through hole, 13 is a reinforcement rib, and 14 is a fixed support rib.

Detailed ways

In order to enable those skilled in the art to better understand the solution of the utility model, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to Fig. 1 to Fig. 4, the utility model provides a battery box which can fix the combination of double battery modules placed up and down, including a hollow battery box main body (figure omitted), the bottom of the battery box main body is the battery box Lower shell 9;

At least one double battery module assembly 10 is fixedly arranged on the top of the lower case 9 of the battery box;

Each of the dual-battery module assemblies 10 includes an upper module 2 and a lower module 3 stacked up and down;

The top surfaces of the upper module 2 and the lower module 3 are equipped with a positive output terminal and a negative output terminal, that is, the top surface is an electrode mounting surface; that is, the electrodes of the upper module 2 and the lower module 3 The mounting surface is parallel to the bottom surface of the main body of the battery box;

The upper die set 2 and the lower die set 3 are fixedly connected together;

Each of the double-battery module assemblies 10 is fixedly connected with the lower case 9 of the battery box.

In the utility model, in order to allow the upper die set 2 and the lower die set 3 to be fixedly connected together, the specific structure is:

The left and right sides of the front ends of the upper die set 2 and the lower die set 3 are respectively fixedly connected together by a long bolt 5, and the long bolt 5 runs through the front ends of the upper die set 2 and the lower die set 3;

The left and right sides of the rear end of the upper die set 2 and the lower die set 3 are respectively fixedly connected together by a long bolt 5 , and the long bolt 5 passes through the rear ends of the upper die set 2 and the lower die set 3 .

Therefore, for the present utility model, through the four long bolts 6 , the bottoms of the upper die set 2 and the lower die set 3 can be fixedly connected with the lower case 9 of the battery box with bolts.

In the present utility model, when the bottoms of the upper die set 2 and the lower die set 3 are fixedly connected with the battery box lower case 9 by bolts, further, in order to make each of the double die sets The left and right sides of the battery module combination 10 are also fixedly connected with the battery box lower casing 9, and each of the left and right sides of the double battery module combination 10 is fixedly connected with an upper bracket 1, each The upper bracket 1 is fixedly connected with the top of the battery box lower case 9 .

The specific structure is: the inner side of the top of each upper bracket 1 (that is, the side facing the double battery module assembly 10) has a long bolt fixing ear 11 at the front and rear ends respectively, and each of the long bolt fixing ears 11 is connected with a The long bolts 5 are arranged correspondingly and connected with each other. Therefore, under the action of the long bolt 5 , the upper bracket 1 and the double battery module assembly 10 can be fixedly connected together.

The lower outer side of each upper bracket 1 (that is, the side away from the double battery module assembly 10) and the front and rear ends respectively have a horizontally distributed short bolt fixing ear 12, and each of the short bolt fixing ears 12 is connected to a The short bolts 6 are fixedly connected together, and each of the short bolts 6 is fixedly connected with the top surface of the lower case 9 of the battery box.

Specifically, each of the long bolt fixing ears 11 is provided with a long bolt through hole 110 , and the shape and size of each of the long bolt through holes 110 match the shape and size of the long bolt 5 .

Specifically, each of the short bolt fixing ears 12 is provided with a short bolt through hole 120 , and the shape and size of each short bolt through hole 120 match the shape and size of the short bolt 6 .

In terms of specific implementation, the shape and size of each upper bracket 1 correspond to the shape and size of the left and right sides of the double battery module assembly 10 .

In this utility model, in order to allow the upper bracket 1 to connect and fix the dual-battery module combination 10 composed of the upper die set 2 and the lower die set 3 more stably, and prevent it from causing the upper die set 2 to The position and distance between the lower mold group 3 fluctuate. For specific implementation, see FIG. 3 and FIG. 4 , each of the upper brackets 1 is an X-shaped bracket, specifically including two cross-distributed reinforcing ribs 13 .

In terms of specific implementation, in order to further fix and position the double battery module combination 10, the left and right sides of the two reinforcement ribs 13 also have fixed support ribs 14, and each of the long bolt fixing ears 11 and the short bolt fixing ears 12 is located at The upper and lower ends of one said fixed support rib 14 .

In the utility model, for each double battery module combination 10, four hollow bushings 4 are arranged in the gap between the upper module 2 and the lower module 3, and each of the long bolts 5 Through one of the bushings 4 .

In terms of specific implementation, a heating sheet or a liquid cooling plate is also arranged in the gap between the upper die set 2 and the lower die set 3 . Therefore, for the present utility model, according to the use environment of the battery module, the gap between the upper module 2 and the lower module 3 can be installed with a heating plate or a liquid cooling plate to facilitate heating of the double battery module combination 10. manage.

In the present utility model, when the battery box includes multiple pairs of the double battery module combination 10, the two upper modules 2 in each pair of the double battery module combination 10 are connected by a short series connection. The rows are connected in series, and the two lower modules 3 in each pair of the double-battery module assemblies 10 are connected in series through long series rows, that is, electrical series connection is realized to meet electrical requirements.

In the present utility model, in terms of specific implementation, in order to save the space occupied by the double battery module combination in the battery box, for any two adjacent pairs of the double battery module combination 10, there are two upper brackets 1 that are arranged oppositely. , the short bolt fixing lugs 12 at the bottom of the two upper brackets 1 are integrally formed, that is, the same fixing lug is shared.

Therefore, in summary, compared with the prior art, the utility model provides a battery box that can be fixed and stacked up and down with a combination of double battery modules, and any two battery modules in the battery box can be placed up and down. When stacked and placed, it is ensured that the battery module is firmly fixed on the battery box, which is conducive to wide popularization and application, and can form a large-scale industry, which has great practical significance for production.

For the battery box provided by the utility model, through the fixing effect of the upper bracket, long bolts, short bolts and other components, it can ensure the firm fixing of the double battery module combination with two battery modules stacked up and down, and its space utilization High efficiency, high installation strength and stability, which can ensure that the battery module will not loosen under various complex environments such as acceleration, sudden braking, turning and collision of electric vehicles, ensuring the overall safety of electric vehicles .

The above is only a preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, these improvements and Retouching should also be regarded as the scope of protection of the present utility model.

Claims (10)

1. A battery box that can be fixed and stacked up and down to place a double-battery module combination, it is characterized in that it includes a hollow battery box main body, and the bottom of the battery box main body is the battery box lower shell (9); At least one double battery module combination (10) is fixedly arranged on the top of the lower casing (9) of the battery box; Each of the dual battery module combinations (10) includes an upper module (2) and a lower module (3) stacked up and down; The top surfaces of the upper die set (2) and the lower die set (3) are equipped with a positive output end and a negative output end; The upper die set (2) and the lower die set (3) are fixedly connected together; Each of the double-battery module assemblies (10) is fixedly connected with the battery box lower case (9). 2. The battery box according to claim 1, characterized in that, the left and right sides of the front ends of the upper die set (2) and the lower die set (3) are respectively fixedly connected together by a long bolt (5), so that The long bolts (5) run through the front ends of the upper die set (2) and the lower die set (3); The left and right sides of the rear end of the upper die set (2) and the lower die set (3) are respectively fixedly connected together by a long bolt (5), and the long bolt (5) runs through the upper die set (2 ) and the rear end of the lower die set (3). 3. The battery box according to claim 2, characterized in that, an upper bracket (1) is fixedly connected to the left and right sides of each of the double battery module combinations (10), and each of the upper brackets ( 1) It is fixedly connected with the top of the lower casing (9) of the battery box. 4. The battery box according to claim 3, characterized in that, each of the upper brackets (1) has a long bolt fixing ear (11) on the top inner front and rear ends respectively, and each of the long bolt fixing ears (11) Corresponding to one of the long bolts (5) and connected to each other; The front and rear ends of the lower part of each upper bracket (1) respectively have a horizontally distributed short bolt fixing ear (12), and each of the short bolt fixing ears (12) is fixed to one of the short bolts (6) connected together, each of the short bolts (6) is fixedly connected with the top surface of the battery box lower case (9). 5. The battery box according to claim 4, characterized in that, each of the long bolt fixing ears (11) is provided with a long bolt through hole (110), and each of the long bolt through holes (110) The shape and size of the long bolt (5) are correspondingly matched with the shape and size of the long bolt (5); A short bolt through hole (120) is arranged on each said short bolt fixing ear (12), and the shape and size of each short bolt through hole (120) correspond to the shape and size of said short bolt (6) match; The shape and size of each upper bracket (1) correspond to the shape and size of the left and right sides of the double battery module assembly (10). 6. The battery box according to claim 3, characterized in that, each of the upper brackets (1) is an X-shaped bracket. 7. The battery box according to claim 3, characterized in that, each of the upper brackets (1) includes two reinforcing ribs (13) distributed across. 8. The battery box according to claim 7, characterized in that, the left and right sides of the two reinforcing ribs (13) also have fixed support ribs (14), and each of the long bolt fixing ears (11) and the short Bolt fixing ears (12) are located at the upper and lower ends of one of the fixed support ribs (14). 9. The battery box according to any one of claims 2 to 8, characterized in that, for each double battery module combination (10), the upper module (2) and the lower module (3) Four hollow bushings (4) are arranged in the gaps between them, and each of the long bolts (5) passes through one of the bushings (4); A heating sheet or a liquid cooling plate is also arranged in the gap between the upper die set (2) and the lower die set (3). 10. The battery box according to any one of claims 4 to 8, characterized in that, when the battery box includes multiple pairs of the double-battery module combinations (10), each pair of the double-battery modules The two upper modules (2) in the group combination (10) are connected in series through a short series row, and the two lower modules (3) in each pair of the double battery module combination (10) ) are connected in series through long series rows; For the two upper brackets (1) arranged opposite to each other in any two adjacent pairs of the double battery module combination (10), the short bolt fixing ears (12) at the bottom of the two upper brackets (1) are integrally formed .