CN220138495U - Energy storage battery pack - Google Patents

Abstract

The utility model discloses an energy storage battery pack, which comprises two energy storage battery box packs and two bases; the two energy storage battery box groups are in one-to-one correspondence with the two bases, the energy storage battery box groups are fixed at the tops of the corresponding bases, and each energy storage battery box group comprises at least one battery box body; the energy storage battery pack is also provided with a bottom connecting component which is used for connecting and fixing the two bases so that the two energy storage battery box packs are arranged back to back; based on the specific structure of the energy storage battery pack, the energy storage battery box pack can be stably fixed on the base, so that the dependence of the vertical energy storage battery in the prior art on a wall body in the installation process can be eliminated, the requirement on the installation site environment can be reduced on the premise of ensuring the installation reliability, and the energy storage battery pack has better adaptability.

Description

Energy storage battery pack

Technical Field

The utility model relates to the technical field of energy storage, in particular to an energy storage battery pack.

Background

The vertical energy storage battery has a small dimension in the depth direction of the battery box, and is easy to topple over to damage due to vertical placement, but the depth dimension of the battery box cannot be further increased due to cost, internal structure, overall layout and the like, so that the vertical energy storage battery is usually required to be fixedly installed.

In the prior art, a conventional fixing and mounting manner of a vertical energy storage battery is to fix a battery box body on a wall body (or the like) by adopting a bolt wall bracket. This traditional way of fixing places great demands on the field environment, and if there is no wall (or similar object) available on the field, it is necessary to make the wall (or similar object), thus increasing the installation cost; moreover, conventional fastening methods require driving screws into a wall (or the like) that can cause irreversible damage to the wall (or the like). In addition, in the prior art, when a plurality of energy storage batteries are stacked to form an energy storage battery pack, the problems that the auxiliary fixing of a connecting bracket is required to be additionally added, the connection and the positioning between the energy storage batteries are not fast and convenient, and the assembly experience of a user is reduced exist.

In view of the foregoing, there is a need for an improved solution to the above-mentioned problems.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides an energy storage battery pack which is specifically designed as follows.

An energy storage battery pack comprises two energy storage battery box packs and two bases; the two energy storage battery box groups are in one-to-one correspondence with the two bases, the energy storage battery box groups are fixed at the tops of the corresponding bases, and each energy storage battery box group comprises at least one battery box body; the energy storage battery pack is also provided with a bottom connecting component which is used for connecting and fixing the two bases so that the two energy storage battery box packs are arranged back to back.

Further, two the base sets up side by side, bottom coupling assembling includes two fixed brackets and locks two the fixed bolster position link firmly, two the fixed bracket is fixed to two respectively the base.

Further, the fixing brackets comprise horizontal sections attached to the top surfaces of the corresponding bases and vertical sections vertically connected with the horizontal sections, each fixing bracket is fixed at the edge position, close to the other base, of the corresponding base, and the vertical sections of the two fixing brackets are attached back to back; the fastening member is a first screw passing through both of the vertical sections to lock the two.

Further, the energy storage battery pack is further provided with a boss arranged on the lower side of the battery box body, and the base is provided with a limit groove matched with the boss to limit the installation position of the battery box body.

Further, the energy storage battery pack is further provided with a fixing plate and a second screw, the fixing plate is fixed on the edge of the limiting groove, and the second screw locks the fixing plate and the boss after the boss is matched with the limiting groove.

Further, each energy storage battery box group comprises at least two battery boxes which are stacked, the energy storage battery box group is further provided with a stacking limiting assembly used for limiting the horizontal positions of the adjacent two battery boxes, the stacking limiting assembly comprises at least two bosses which are arranged on the lower side of the battery boxes and at least two boss matching parts which are arranged on the upper side of the battery boxes, and the bosses are in one-to-one correspondence with the boss matching parts and mutually matched when stacked.

Further, the lower surface of the boss is provided with a groove, the boss matching part is in a handle shape, and the top of the boss matching part is inserted and matched into the groove correspondingly.

Further, at least part of the area of at least one surface of the upper surface and the lower surface of the battery box body is contracted towards the direction in the battery box body, and at least one of the boss and the boss matching part is fixed to the area of the corresponding surface in the contracted state.

Further, the boss and the boss matching part are fixed to the battery box body through a third screw, and the energy storage battery box group is further provided with a blind hole press riveting nut which is arranged inside the battery box body and matched with the third screw.

Further, the energy storage battery pack is further provided with a top connecting component which is arranged at the top of the two energy storage battery box packs to connect the two energy storage battery box packs.

The beneficial effects of the utility model are as follows: based on the specific structure of the energy storage battery pack, the energy storage battery box pack can be stably fixed on the base, so that the dependence of the vertical energy storage battery in the prior art on a wall body in the installation process can be eliminated, the requirement on the installation site environment can be reduced on the premise of ensuring the installation reliability, and the energy storage battery pack has better adaptability.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of an embodiment of an energy storage battery pack according to the present utility model;

the two bases shown in fig. 2 are fixedly connected through a bottom connecting component;

FIG. 3 is a schematic view of the battery box before mating with the base;

FIG. 4 is a schematic view of the stacked battery cases;

FIG. 5 is a schematic view of a first angle before stacking the battery cases;

FIG. 6 is a second angular schematic view of the battery box prior to stacking;

FIG. 7 is an enlarged schematic view of portion a of FIG. 4;

fig. 8 is a schematic view of the structure of fig. 7 taken in a plane.

In the figure, 100 is an energy storage battery box group, 10 is a battery box body, 10a is a first battery box body, 10b is a second battery box body, 101 is a boss, 1010 is a groove, 1011 is a through hole, 102 is a boss matching part, 1020 is a handle hole, 1021 is a fixing hole, 103 is a lower lowest edge, 104 is an upper highest edge, 105 is a fourth screw, 106 is a third screw, and 107 is a blind hole riveting nut; 200 is a base, 21 is a first base, 22 is a second base, 201 is a limit groove, 202 is a fixed plate, 203 is a second screw; 300 is a fixed bracket, 31 is a horizontal section, 32 is a vertical section, and 33 is a first screw; 400 is a top connection assembly.

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.

Referring to fig. 1, the energy storage battery pack according to the present utility model includes two energy storage battery case packs 100 and two bases 200; the two energy storage battery box sets 100 are in one-to-one correspondence with the two bases 200, the energy storage battery box sets 100 are fixed on the tops of the corresponding bases 200, and each energy storage battery box set 100 comprises at least one battery box body 10.

More specifically, in the embodiment shown in fig. 1, the two bases 200 include a first base 21 and a second base 22, and an energy storage battery box set 100 is respectively fixed on top of the first base 21 and the second base 22, each energy storage battery box set 100 includes two battery boxes 10, and the two battery boxes 10 include a first battery box 10a directly located on top of the base 200 and a second battery box 10b located on top of the first battery box 10 a. In other embodiments of the utility model, each energy storage battery box group 100 may include more than two battery boxes 10.

It should be understood that in the implementation of the present utility model, the battery case 10 of the energy storage battery case assembly 100 is further provided with an energy storage battery unit (not shown in the drawings) inside.

In the present utility model, as shown in fig. 2, the energy storage battery pack further has a bottom connection assembly for connecting and fixing the two bases 200 so that the two energy storage battery box packs 100 are disposed back to back.

In the concrete structure of the energy storage battery pack provided by the utility model, due to the connection effect of the bottom connection assembly on the two bases 200, the two energy storage battery box packs 100 can be arranged back to back, so that the energy storage battery box packs 100 can be stably fixed on the bases 200, the dependence of the vertical energy storage battery in the prior art on a wall body in the installation process can be eliminated, the requirement on the installation site environment can be reduced on the premise of ensuring the installation reliability, and the energy storage battery pack has better adaptability.

In the implementation process, referring to fig. 2, the first base 21 and the second base 22 are arranged side by side, and the bottom connecting assembly includes two fixing brackets 300 and a fixing member for locking the positions of the two fixing brackets 300, wherein the two fixing brackets 300 are respectively fixed to the first base 21 and the second base 22. In this embodiment, based on the connection between the two fixing brackets 300 and the fastening member, the first base 21 and the second base 22 can be fixed in parallel.

In more detail, referring to fig. 2, in this embodiment, the fixing brackets 300 include a horizontal section 31 fitted to the top surface of the corresponding base 200 and a vertical section 32 vertically connected to the horizontal section 31, each fixing bracket 300 is fixed to the corresponding base 200 near the edge of the other base 200, and the vertical sections 32 of the two fixing brackets 300 are fitted back to back. As shown in the drawing, one fixing bracket 300 is fixed to the first base 21 at a position near the edge of the second base 22, the other fixing bracket 300 is fixed to the second base 22 at a position near the edge of the first base 21, and both fixing brackets 300 are preferably fixed to the corresponding bases 200 by means of screws.

In the embodiment shown in fig. 2, the fastening is a first screw 33 passing through the two vertical sections 32 to lock the two. It will be appreciated that the bottom connection assembly may also have a cap that mates with the first screw.

In this embodiment, the fixing bracket 300 has a simple structure, is easy to manufacture and mold, and can save cost to a greater extent in a specific molding and manufacturing process.

Referring further to fig. 3, the energy storage battery pack further has a boss 101 disposed at the lower side of the battery case 10, and a limit groove 201 cooperating with the boss 101 to define the installation position of the battery case 10 is provided on the base 200. Preferably, in this embodiment, two bosses 101 are disposed at intervals in the width direction on the lower side of the battery case 10, and two limiting grooves 201 are correspondingly disposed on the base 200. Based on the cooperation setting of boss 101 and spacing groove 201, can be with battery box 10 fixed in the setting position department on base 200, ensure that two energy storage battery box group 100 can set up back to back.

In the present utility model, the energy storage battery pack further has a fixing plate 202 and a second screw 203, wherein the fixing plate 202 is fixed at the edge of the limiting groove 201, and the second screw 203 locks the fixing plate 202 and the boss 101 after the boss 101 is fitted into the limiting groove 201. Based on this arrangement, a fixed connection between the battery case 10 and the base 200 can be achieved.

As some preferred embodiments of the present utility model, each energy storage battery box group 100 includes at least two battery boxes 10 stacked, and the energy storage battery box group 100 further has a stacking limit assembly for defining the horizontal position of two adjacent battery boxes 10.

Referring to fig. 5 and 6, in this embodiment, two battery cases 10 stacked up and down include a first battery case 10a located at a lower side and a second battery case 10b located at an upper side, and the stacking limit assembly includes two bosses 101 disposed at the lower side of the second battery case 10b and two boss mating portions 102 disposed at the upper side of the first battery case 10a, and the two bosses 101 are in one-to-one correspondence with the two boss mating portions 102 and are mated with each other when stacked. It will be appreciated that in other embodiments of the present utility model, the bosses 101 and the boss mating portions 102 are also disposed in a one-to-one correspondence and mate with each other when stacked, but the specific number of both may be greater than 2.

In the embodiment, each battery case 10 preferably has the same structure, that is, each battery case 10 has a boss 101 disposed at a lower side thereof and a boss fitting portion 102 disposed at an upper side thereof, so that when two battery cases 10 are stacked up and down, the bosses 101 at the lower side of the upper battery case 10 are fitted one by one with the boss fitting portions 102 at the upper side of the lower battery case 10 to jointly constitute a stacking limit assembly.

As can be understood from comparing fig. 3 and 5, when the energy storage battery box assembly 100 is formed by stacking a plurality of battery boxes 10, the boss 101 at the lower side of the lowest battery box 10 is used to cooperate with the limit groove 201 on the base 200 to define the installation position of the energy storage battery box assembly 100 on the base 200. In addition, the boss 101 at the lower side of the lowest battery box 10 can further raise the high end of the energy storage battery unit in the battery box 10 on the basis of the base 200, so that the influence of bad factors such as ground water and the like on the energy storage battery unit can be reduced to the greatest extent.

Further, as shown in fig. 5, 6 and 7, the lower surface of the boss 101 is formed with a groove 1010, and the boss fitting portion 102 is in a handle shape and is top-inserted fitted inside the corresponding groove 1010. Specifically, the boss fitting portion 102 is provided with a handle hole 1020 therethrough, and a user can carry the battery case 10 by inserting his/her hand into the handle hole 1020.

It should be understood that the boss matching portion 102 is provided in a specific shape of a handle, which fully considers comfort level when held by a human hand and structural strength when stressed, and reasonably arranges the weight-reducing groove and the reinforcing ribs on the premise of ensuring mechanical properties, so that the weight-reducing groove has the advantages of light weight, attractive appearance, cost saving and the like. In the specific implementation, the boss 101 and the boss matching part 102 are all ADC12 die-casting aluminum alloy pieces, so that the weight and the cost in mass production can be effectively reduced.

In the prior art, an additional handle is usually required to be mounted on the side of the battery box, and the handle plays a role in assisting in carrying when the battery box is required to be carried in the assembly of the energy storage assembly. However, in the present utility model, the boss fitting portion 102 is provided at the top of the battery case 10, which can realize a stacking limit function in addition to being jointly achieved when fitted with the boss 101; and based on the handle-shaped arrangement mode, the battery box body 10 can be carried in an auxiliary manner, has double functions, and has great advantages compared with the prior art.

As shown in fig. 5 and 6, in this embodiment, each battery case 10 has two bosses 101 disposed at the lower side thereof and two boss engaging portions 102 disposed at the upper side, and the two bosses 101 and the two boss engaging portions 102 are symmetrically disposed with respect to the central axis of the battery case 10; when the two battery cases 10 are stacked and fitted, the two bosses 101 of the upper battery case 10 are fitted in one-to-one correspondence with the two boss fitting portions 102 of the lower battery case 10.

In the embodiment shown in fig. 4, 5 and 6, the energy storage battery box assembly 100 further has a connecting member for fixing two adjacent battery boxes 10. Referring to fig. 7, the connecting member is a fourth screw 105 for locking the boss 101 and the corresponding boss mating portion 102, in this embodiment, two adjacent battery cases 10 are fixedly connected by two fourth screws 105, and each fourth screw 105 is fixedly connected to one boss 101 and the boss mating portion 102 corresponding thereto.

Preferably, two fourth screws 105 are screwed into two opposite sides of the two bosses 101, respectively, to fix the corresponding bosses 101 and the boss mating portions 102. In this embodiment, the two fourth screws 105 are screwed into the two relatively far sides of the two bosses 101, which is simple to operate, and can simplify the assembly process of the energy storage battery pack to a greater extent.

In particular, through holes 1011 are formed on the side walls of the grooves 1010, fixing holes 1021 are formed at corresponding positions on the tops of the boss matching parts 102, and the fourth screws 105 penetrate through the through holes 1011 and are in threaded fit with the fixing holes 1021 to form fixing.

In still other embodiments of the present utility model, at least a portion of the upper and lower surfaces of the battery case 10 is disposed in a contracted state toward the inside of the battery case 10, and at least one of the boss 101 and the boss mating part 102 is fixed to the region of the corresponding surface in a contracted state.

Referring to fig. 5 and 6, in the preferred embodiment, both upper and lower surfaces of the battery case 10 have regions that contract toward the inside of the battery case 10. As shown in the drawing, the lower surface of the battery case 10 has a first edge region 103 away from the back surface, and other regions of the lower surface of the battery case 10 are provided in a contracted state with respect to the first edge region 103 toward the inside of the battery case 10, and the boss 101 is provided on the contracted region, it being understood that the back surface of the battery case 10 corresponds to the back surface of the corresponding energy storage battery case set 100. Correspondingly, the upper surface of the battery case 10 has a first edge region 103 far from the back surface, and other regions of the upper surface of the battery case 10 are arranged to be contracted toward the inside of the battery case 10 with respect to a second edge region 104, and the boss fitting portion 102 is arranged on the contracted region.

Based on this setting, can have sufficient cooperation space between boss 101 and the boss cooperation portion 102, and after the energy storage battery group equipment of concrete implementation structure is accomplished, the first marginal area 103 of battery box 10, second marginal area 104 can also hide boss 101, boss cooperation portion 102, and the people's eyes can't see boss 101, boss cooperation portion 102 relatively easily from the front and back both sides of energy storage battery group promptly, so can make energy storage battery group outward appearance more neat pleasing to the eye. Of course, in the implementation process, when the two battery cases 10 are stacked and matched, a certain gap is preferably present between the first edge region 103 and the second edge region 104 of the two battery cases 10, and the gap distance is 2mm-5mm, specifically 3mm.

Referring to fig. 8, the boss 101 and the boss mating portion 102 are both fixed to the battery case 10 by a third screw 106, wherein the energy storage battery case pack 100 further has a blind rivet nut 107 provided inside the battery case 10 to mate with the third screw 106. The blind hole press-riveting nut 107 is preferably made of stainless steel materials, and the arrangement of the blind hole press-riveting nut 107 can better ensure the internal air tightness of the battery box 10 while providing a rust-proof installation threaded hole.

Further preferably, as shown in connection with fig. 1 and 4, the energy storage battery pack further has a top connection assembly 400 disposed on top of the two energy storage battery case packs 100 to connect the two energy storage battery case packs 100. In the embodiment, the top connecting assembly 400 may be a bottom connecting assembly, i.e. composed of two fixing brackets and a fixing member for locking the positions of the two fixing brackets, and the above description is omitted herein for details.

It should be understood that in the present utility model, the screw connection manner may be replaced by a welding manner or a clamping manner, which will not be further described herein.

It should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is for clarity only, and that the skilled artisan should recognize that the embodiments may be combined as appropriate to form other embodiments that will be understood by those skilled in the art.

The above list of detailed descriptions is only specific to practical embodiments of the present utility model, and they are not intended to limit the scope of the present utility model, and all equivalent embodiments or modifications that do not depart from the spirit of the present utility model should be included in the scope of the present utility model.

Claims (10)

1. The energy storage battery pack is characterized by comprising two energy storage battery box groups and two bases; the two energy storage battery box groups are in one-to-one correspondence with the two bases, the energy storage battery box groups are fixed at the tops of the corresponding bases, and each energy storage battery box group comprises at least one battery box body; the energy storage battery pack is also provided with a bottom connecting component which is used for connecting and fixing the two bases so that the two energy storage battery box packs are arranged back to back.

2. The energy storage battery of claim 1, wherein two of said bases are disposed side by side, said bottom connection assembly comprising two fixed brackets and a securing member locking the position of two of said fixed brackets, said two fixed brackets being secured to two of said bases, respectively.

3. The energy storage battery of claim 2, wherein said fixed brackets comprise a horizontal segment attached to the top surface of the respective base and a vertical segment vertically connected to said horizontal segment, each said fixed bracket being secured to the respective base adjacent the edge of the other said base, said vertical segments of both said fixed brackets being attached back-to-back; the fastening member is a first screw passing through both of the vertical sections to lock the two.

4. The energy storage battery pack of claim 1, further comprising a boss disposed on the underside of the battery case, wherein the base is provided with a limit slot that cooperates with the boss to define the battery case mounting location.

5. The energy storage battery of claim 4, further comprising a securing plate secured to an edge of the limit slot and a second screw locking the securing plate to the boss after the boss is mated to the limit slot.

6. The energy storage battery pack according to claim 1, wherein each energy storage battery box pack comprises at least two battery boxes stacked, the energy storage battery box pack further comprises a stacking limiting assembly for limiting the horizontal positions of two adjacent battery boxes, the stacking limiting assembly comprises at least two bosses arranged on the lower side of the upper battery box and at least two boss matching parts arranged on the upper side of the lower battery box, and the bosses are in one-to-one correspondence with the boss matching parts and mutually matched when stacked.

7. The energy storage battery of claim 6, wherein the lower surface of the boss is formed with a groove, the boss fitting portion is in a shape of a handle and the top is inserted and fitted into the inside of the corresponding groove.

8. The energy storage battery of claim 6, wherein at least a portion of the upper and lower surfaces of the battery case is configured to be shrunk toward the inside of the battery case, and at least one of the boss and the boss mating portion is secured to a corresponding portion of the upper and lower surfaces.

9. The energy storage battery pack according to claim 6, wherein the boss and the boss mating portion are fixed to the battery case body by a third screw, and the energy storage battery case pack further has a blind hole clinch nut provided inside the battery case body to mate with the third screw.

10. The energy storage battery of any of claims 1-9, further comprising a top connection assembly disposed on top of two of the energy storage battery cases to connect the two energy storage battery cases.