CN216120531U - Battery box - Google Patents

Abstract

The utility model discloses a battery box, which comprises: the main tank body, the open setting in top of main tank body, the main tank body includes: the battery pack comprises a bottom plate and first limiting plates, wherein the first limiting plates are arranged on the bottom plate and are opposite to each other, and a battery accommodating space is defined between the opposite first limiting plates; a plurality of cells arranged in the cell accommodating space; the top cap, the top cap sets up in the top of the main tank body, and the top cap includes: the battery cover comprises a cover plate and a second limiting plate, wherein the second limiting plate is arranged on the cover plate and is arranged oppositely, and the second limiting plate is in limiting fit with the first limiting plate on one side, away from the battery, of the first limiting plate. Wherein, add the second limiting plate on addding first limiting plate and top cap on the bottom plate of battery box to first limiting plate and second limiting plate mutually support, have realized the spacing fixed action to a plurality of batteries, and improved the structural stability of battery box, saved bolt assembly space, effectively improve the space utilization and the safety in utilization of battery box.

Description

Battery box

Technical Field

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

Background

With the development of new energy industry, a plurality of unit batteries are connected in series and parallel properly, and the requirements of various capacities and voltages can be met, so that the battery pack is suitable for more and more energy supply occasions. The battery box is responsible for bearing a plurality of unit batteries, and mainly plays supporting, fixing and protecting roles on the unit batteries, but the internal movement of the unit batteries is easy to occur in the use process, so that the use safety performance of the battery is influenced.

Among the correlation technique, generally can add baffle bolt, tie the steel brace on the both sides of quick-witted case, tie up modes such as plastics brace and come to carry out spacing fixed to electric core module, nevertheless tie mode inefficiency such as bolt, lock steel brace, tie up plastics brace to under the not enough condition of quick-witted case inner space, be not convenient for lock bolt and technology assembly.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the battery box provided by the utility model has the advantages that the first limiting plate and the second limiting plate are additionally arranged on the battery box, so that the plurality of batteries can be limited and fixed, the phenomenon of movement is not easy to occur, and the battery box is suitable for the battery box with a compact inner space.

According to the battery box of the embodiment of the utility model, the battery box comprises: the main tank body, the open setting in top of main tank body, the main tank body includes: the battery pack comprises a bottom plate and first limiting plates, wherein the first limiting plates are arranged on the bottom plate and are oppositely arranged, and a battery accommodating space is defined between the oppositely arranged first limiting plates; a plurality of cells arranged in the cell accommodating space; a top cover, the top cover set up in the top of the main tank body, the top cover includes: the battery cover comprises a cover plate and a second limiting plate, wherein the second limiting plate is arranged on the cover plate and is arranged oppositely, and the second limiting plate is in limiting fit with the first limiting plate on one side, far away from the battery, of the first limiting plate.

According to the battery box disclosed by the embodiment of the utility model, the first limiting plate is additionally arranged on the bottom plate of the battery box, the second limiting plate is additionally arranged on the top cover, and the first limiting plate and the second limiting plate are mutually matched, so that the integral limiting effect on a plurality of batteries can be realized, the internal movement of the batteries is effectively avoided, and the stable connection between the battery box and the batteries is ensured. And, through addding first limiting plate and second limiting plate, not only can improve the structural stability of battery box, can also save a plurality of bolts and assembly space for battery box assembly becomes simple and convenient high-efficient, improves the space utilization and the safety in utilization of battery box greatly.

According to some embodiments of the utility model, a first flanging is arranged at the top of the second limiting plate, and the first flanging is attached and fixed to the cover plate.

According to some embodiments of the utility model, the second limiting plate, the first flange and the cover plate are integrally formed structural members.

According to some embodiments of the utility model, a second flanging is arranged at the bottom of the first limiting plate, and the second flanging is attached and fixed to the bottom plate.

According to some embodiments of the present invention, the bottom plate is provided with a first through hole, the second flange is provided with a second through hole, the first through hole and the second through hole are oppositely disposed, and the main box further includes: a fastener passing through the first and second apertures.

According to some embodiments of the utility model, the number of the first limiting plates arranged oppositely is at least two, the number of the second limiting plates arranged oppositely is at least two and corresponds to at least two of the first limiting plates one by one, the plurality of batteries are distributed in rows and columns, and each row of the batteries is arranged between one group of the first limiting plates.

According to some embodiments of the utility model, the main case further comprises: the end plate, the end plate set up in the tip of bottom plate, at least one first limiting plate with inject the controller accommodation space between the end plate.

According to some embodiments of the utility model, the battery is connected with an electric connector, a part of the electric connector is attached to the first limit plate, and the second limit plate and the electric connector are arranged at intervals.

According to some embodiments of the present invention, the battery is a prismatic battery, and a width direction of the battery is the same as a height direction of the first restriction plate.

According to some embodiments of the utility model, the height of the first restriction plate does not exceed the width of the battery.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a battery case according to an embodiment of the present invention;

fig. 2 is an exploded view of the structure of a battery case according to an embodiment of the present invention;

FIG. 3 is a partial schematic view A of FIG. 2;

fig. 4 is a schematic structural view of a top cover according to an embodiment of the present invention.

Reference numerals:

a battery box S;

a main case 10; a base plate 11; a first limit plate 12; a battery housing space 13; a second flange 14; a first through hole 15; a second perforation 16; a fastener 17; an end plate 18; the controller accommodating space 19;

a battery 20;

a top cover 30; a cover plate 31; a second restriction plate 32; a first flange 33;

electrical connections 40.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

A battery case S according to an embodiment of the present invention is described below with reference to fig. 1 to 4, the battery case S including: a main body 10, a plurality of batteries 20, and a top cover 30.

Wherein, the open setting in top of main box 10, main box 10 includes: the bottom plate 11 and first limiting plate 12, first limiting plate 12 sets up in bottom plate 11 to first limiting plate is to setting up, defines battery accommodation space 13 between the relative first limiting plate 12 that sets up. That is to say, the first limiting plate 12 is disposed on the bottom plate 11, perpendicular to the bottom plate 11, and the two first limiting plates 12 are disposed opposite to each other in the length direction of the main box 10, so that the main box 10 is substantially U-shaped, and thus the structural strength of the main box 10 can be enhanced, and the main box 10 is prevented from being deformed due to external force.

And a certain battery accommodating space 13 is formed between the two first stopper plates 12 to accommodate the plurality of batteries 20. Therefore, the first limiting plate 12 arranged oppositely plays an effective limiting and fixing role on two sides of the battery 20, the battery 20 can be prevented from moving back and forth, and the use safety of the battery box S is guaranteed.

And, a plurality of cells 20 are arranged in the cell housing space 13. So set up, a plurality of batteries 20 array link to each other and arrange and form the cuboid form to hold in battery accommodation space 13, can make battery box S inner structure compact, effectively improve battery box S' S space utilization.

In addition, the top cover 30 is disposed on the top of the main body 10, and the top cover 30 includes: the cover plate 31 and the second limiting plate 32, the second limiting plate 32 is disposed on the cover plate 31 and disposed oppositely, and the second limiting plate 32 is in limit fit with the first limiting plate 12 on one side of the first limiting plate 12 away from the battery 20. That is to say, the second limiting plate 32 is established on apron 31, and perpendicular to apron 31 so sets up, carries out the lock installation with main tank 10 and top cap 30, can wrap up a plurality of batteries 20 well, adds the second limiting plate 32 moreover on top cap 30, can strengthen top cap 30's structural strength to play fine support and guard action to a plurality of batteries 20.

Moreover, two second limiting plates 32 are relative setting, and second limiting plate 32 cooperatees with first limiting plate 12 in one side that battery 20 was kept away from to first limiting plate 12, so set up, two first limiting plates 12 and two second limiting plates 32 are the one-to-one relation, further carry out the both sides with battery 20 effectively spacing fixedly, if only be equipped with first limiting plate 12 or only be equipped with second limiting plate 32, when carrying battery box S or bumping, often can lead to first limiting plate 12 or second limiting plate 32 to take place the cracked condition of deformation because of intensity is not enough, and then lose the spacing fixed effect to battery 20, consequently, second limiting plate 32 and first limiting plate 12 are mutually supported from top to bottom, can firmly restrict battery 20 in battery accommodation space 13, the phenomenon of drunkenness is difficult to appear.

Moreover, the traditional mode of adding baffle bolt bolts and bolt steel braces on two sides of the case and binding plastic braces is replaced by additionally arranging the first limiting plate 12 and the second limiting plate 32, so that a plurality of bolts and assembly spaces can be saved, the assembly of the battery box S becomes simple, convenient and efficient, and the space utilization rate and the assembly efficiency of the battery box S are greatly improved.

Specifically, refer to fig. 3 and show, second limiting plate 32 butt is on first limiting plate 12, makes first limiting plate 12 and second limiting plate 32 form a whole, not only can satisfy the structural strength requirement and to the spacing fixed action of battery 20, can also reduce the whole thickness of first limiting plate 12 and second limiting plate 32, compares overlap complex mounting means, can alleviate the weight of battery box S and save battery box S 'S fitting space, effectively improves battery box S' S portability and space utilization.

From this, add second limiting plate 32 on first limiting plate 12 and the top cap 30 through addding on the bottom plate 11 of battery box S to first limiting plate 12 and second limiting plate 32 mutually support, can realize the whole limiting displacement to a plurality of batteries 20, have effectively avoided battery 20 to take place inside drunkenness, thereby ensure the stable connection between battery box S and the battery 20. And, replaced the traditional mode that adds the baffle on the both sides of quick-witted case and tie bolt, tie the steel brace, tie up the plastics brace, when satisfying battery box S 'S structural stability, can also save a plurality of bolts and assembly space for battery box S assembles and becomes simple and efficient, improves battery box S' S space utilization, equipment high efficiency and portability greatly.

As shown in fig. 3 and 4, a first flange 33 is disposed on the top of the second limiting plate 32, and the first flange 33 is attached and fixed to the cover plate 31. So, buckle partly first turn-ups 33 of formation with the top of second limiting plate 32, not only can strengthen the structural strength of second limiting plate 32, can also realize the firm connection between second limiting plate 32 and the apron 31 to guarantee the spacing fixed action of second limiting plate 32.

Also, the second stopper plate 32, the first flange 33, and the cover plate 31 may be an integrally formed structural member. So set up, become top cap 30 into integrated into one piece, not only can strengthen top cap 30' S structural strength and rigidity, be difficult for receiving external shock to warp, moreover when the equipment, top cap 30 and the installation of the direct lock of main tank body 10 can realize the spacing cooperation of first limiting plate 12 and second limiting plate 32 to can improve the packaging efficiency of battery box S, and be difficult to omit second limiting plate 32.

In some embodiments of the present invention, the first flange 33 of the second limiting plate 32 may be fixed on the cover plate 31 by welding, so that the welded structure of the top cover 30 has high rigidity and good integrity, and the air tightness and water tightness of the battery box S can be ensured. Of course, the method is not limited to a welding mode, and other modes such as a bolt joint mode and the like can be adopted to realize fixed connection.

As shown in fig. 2, a second flange 14 is disposed at the bottom of the first limiting plate 12, and the second flange 14 is attached and fixed to the bottom plate 11. So, buckle partly second turn-ups 14 of formation with the bottom of first limiting plate 12, not only can strengthen the structural strength of first limiting plate 12, can also fix first limiting plate 12 well on bottom plate 11, first limiting plate 12 can not break away from bottom plate 11 easily to guarantee the spacing fixed action of first limiting plate 12.

Wherein, the bottom plate 11 is provided with first perforation 15, and the second turn-ups 14 is provided with second perforation 16, and first perforation 15 and second perforation 16 set up relatively, and main box 10 still includes: and the fastener 17, wherein the fastener 17 passes through the first through hole 15 and the second through hole 16. In this way, the fastening member 17 can be used to pass through the first through hole 15 and the second through hole 16, so as to fix the second flange 14 on the bottom plate 11, and to achieve a stable connection between the first limiting plate 12 and the bottom plate 11. So, the upper end of first limiting plate 12 is through realizing fixedly with second limiting plate 32, and the lower extreme of first limiting plate 12 passes through fastener 17 to be realized fixedly with bottom plate 11, and first limiting plate 12 can firmly be fixed a plurality of batteries 20 in battery accommodation space 13 like this.

And, be mobilizable ground fixed connection between first limiting plate 12 and the bottom plate 11, after a plurality of batteries 20 placed on bottom plate 11, utilize fastener 17 to fix first limiting plate 12 on bottom plate 11 to the realization is fixed to the spacing on battery 20 both sides, and, when battery 20 or first limiting plate 12 damaged, dismantle back with fastener 17 and change battery 20 or first limiting plate 12, can make things convenient for the maintenance of battery box S like this.

Referring to fig. 2 and 3, the number of the fastening members 17 may be at least two, and the corresponding first through holes 15 and second through holes 16 are also at least two, so that the first limiting plate 12 and the bottom plate 11 can be firmly connected and are not easy to loosen.

Further, the first limiting plates 12 arranged oppositely may be at least two groups, and the second limiting plates 32 arranged oppositely may be at least two groups, and correspond to the at least two groups of first limiting plates 12 one to one, the plurality of batteries 20 are arranged in a row, and each row of batteries 20 is arranged between a group of first limiting plates 12. So, every group second limiting plate 32 and every group first limiting plate 12 mutually support, can retrain every row of battery 20 between every group first limiting plate 12 to play the limiting displacement to battery 20 in the box. Of course, in other embodiments, the number of the first limiting plate 12 and the second limiting plate 32 may be set according to actual needs. That is to say, can set up 1 row or multirow battery 20 in the battery box S to, every row battery 20 all corresponds and is provided with a set of first limiting plate 12 and second limiting plate 32, can all fix every row battery 20 in battery box S like this, can promote the integrated level of battery box S like this.

The main casing 10 further includes: and an end plate 18, wherein the end plate 18 is arranged at the end part of the bottom plate 11, and a controller accommodating space 19 is defined between the at least one first limiting plate 12 and the end plate 18. Specifically, as shown in fig. 2, one battery 20 is reduced in any one row of batteries 20, so that the length of the row of batteries 20 is smaller than the length of the other rows of batteries 20, and thus a controller accommodating space 19 can be formed between the first limit plate 12 and the end plate 18 to avoid the controller.

As shown in fig. 3, the battery 20 is connected with the electric connector 40, a part of the electric connector 40 is attached to the first restriction plate 12, and the second restriction plate 32 and the electric connector 40 are spaced apart from each other. Thus, the battery 20 and the controller are connected in the horizontal direction through the electric connecting piece 40, and part of the electric connecting piece 40 is attached to the first limiting plate 12, so that the occupation of the controller accommodating space 19 is reduced, and the problem that the controller is not in small clearance or even interference with peripheral components is solved. Moreover, the electrical connector 40 is attached to the first limiting plate 12, so that the mounting stability of the first limiting plate 12 can be improved.

In one embodiment, the battery 20 may be a prismatic battery. Thus, the batteries 20 arranged in rows are arranged in a rectangular parallelepiped shape and are matched with the rectangular battery box S, no large gap is required to be left between the battery box S and the batteries 20, and the overall volume utilization rate is high. Of course, the battery 20 is not limited to be square, and may be other shapes such as cylindrical, as long as the shapes of the main box 10, the top cover 30 and the first limiting plate 12 are adapted, and after being assembled in place, the battery 20 can be effectively limited and fixed on two sides.

And the width direction of the battery 20 is the same as the height direction of the first stopper plate 12. In this way, the surface of the battery 20 close to the top cover 30 is flush with the top of the first limiting plate 12, and can play a good limiting and fixing role for two sides of the battery 20. And the second limit plate 32 is abutted against the first limit plate 12, so that the limiting and fixing effects are further enhanced, and the first limit plate 12 is not easy to deform and break.

Further, the height of the first restriction plate 12 does not exceed the width of the battery 20. Thus, the height of the first limiting plate 12 is restricted below the width of the battery 20, so that the space utilization rate of the battery box S can be ensured to be high, and the size of the battery box S cannot be increased due to the height of the first limiting plate 12. If the height of first limiting plate 12 surpasses the width of battery 20, though can play certain spacing fixed action, can increase the size of battery box S, cause the waste of battery accommodation space 13, still can make the bottom of second limiting plate 32 more than the width direction of battery 20, can not play spacing fixed action to the both sides of battery 20. Therefore, by setting the height of the first stopper plate 12 to be equal to or less than the width direction of the battery 20, the stopper fixing function of the first stopper plate 12 and the second stopper plate 32 can be sufficiently exhibited.

Therefore, the first limiting plate 12 and the second limiting plate 32 are additionally arranged on the top cover 30 and the bottom plate 11 of the battery box S, so that the whole limiting effect on the plurality of batteries 20 can be realized, the batteries 20 are effectively prevented from moving inside, and the stable connection between the battery box S and the batteries 20 is ensured. And replaced traditional mode of adding the baffle on the both sides of case and tie bolt, tie the steel brace, tie up the plastics brace, when satisfying battery box S 'S structural stability, can also save a plurality of bolts and assembly space for battery box S assembles and becomes simple and efficient, improves battery box S' S space utilization, equipment high efficiency and portability greatly.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

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

Claims (10)

1. A battery box, comprising:

the main tank body, the open setting in top of main tank body, the main tank body includes: the battery pack comprises a bottom plate and first limiting plates, wherein the first limiting plates are arranged on the bottom plate and are oppositely arranged, and a battery accommodating space is defined between the oppositely arranged first limiting plates;

a plurality of cells arranged in the cell accommodating space;

a top cover, the top cover set up in the top of the main tank body, the top cover includes: the battery cover comprises a cover plate and a second limiting plate, wherein the second limiting plate is arranged on the cover plate and is arranged oppositely, and the second limiting plate is in limiting fit with the first limiting plate on one side, far away from the battery, of the first limiting plate.

2. The battery box according to claim 1, wherein a first flange is arranged at the top of the second limiting plate, and the first flange is attached and fixed to the cover plate.

3. The battery box according to claim 2, wherein the second limiting plate, the first flange and the cover plate are integrally formed structural members.

4. The battery box according to claim 1, wherein a second flange is arranged at the bottom of the first limiting plate, and the second flange is attached and fixed to the bottom plate.

5. The battery box according to claim 4, wherein the bottom plate is provided with a first through hole, the second flange is provided with a second through hole, the first through hole and the second through hole are oppositely arranged, and the main box body further comprises: a fastener passing through the first and second apertures.

6. The battery box according to claim 1, wherein the first opposing limiting plates are at least two groups, the second opposing limiting plates are at least two groups and correspond to the at least two groups of the first limiting plates one by one, the plurality of batteries are arranged in a row, and each row of the batteries is disposed between one group of the first limiting plates.

7. The battery box according to claim 6, wherein the main box body further comprises: the end plate, the end plate set up in the tip of bottom plate, at least one first limiting plate with inject the controller accommodation space between the end plate.

8. The battery box according to claim 1, wherein the battery box is provided with an electric connector, a part of the electric connector is attached to the first limiting plate, and the second limiting plate and the electric connector are arranged at intervals.

9. The battery box according to claim 1, wherein the battery is a prismatic battery, and a width direction of the battery is the same as a height direction of the first restriction plate.

10. The battery box according to claim 9, wherein the height of the first restriction plate does not exceed the width of the battery.

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