CN217655992U

CN217655992U - High anti vibration battery subrack

Info

Publication number: CN217655992U
Application number: CN202221633969.9U
Authority: CN
Inventors: 樊晓强; 蒋远富; 袁榀帆
Original assignee: Cornex New Energy Co ltd
Current assignee: Cornex New Energy Co ltd
Priority date: 2022-06-27
Filing date: 2022-06-27
Publication date: 2022-10-25
Anticipated expiration: 2032-06-27

Abstract

The utility model provides a high anti vibration battery subrack, its box and subrack panel including being used for installing the battery module, the box includes bottom plate, two curb plates and tailboards. According to the high-vibration-resistance battery plug box, the mode that the tail reinforcing piece, the two side plates and the enclosing plate are subjected to lap joint resistance welding is adopted, butt welding in the prior art is replaced, the strength of a welding part is effectively enhanced, the phenomenon that when the box body is collided and vibrated by external force, the force is transmitted to the welding part to cause the welding part to crack and deform can be avoided, meanwhile, the tail reinforcing piece can effectively reinforce the tail end of the box body, and the integral deformation resistance and vibration resistance of the box body are improved; the buffering box that sets up can support the subrack panel from the middle part to the box improves the stability of being connected of subrack panel and box, and can conduct the impact that the subrack panel receives to the box, avoids the conduction untimely subrack panel and box production relative displacement that leads to.

Description

High anti vibration battery subrack

Technical Field

The utility model relates to a container energy storage technical field especially relates to a high vibration resistance battery subrack.

Background

The Container Energy Storage System (CESS) is an integrated energy storage system developed aiming at the requirements of the mobile energy storage market, a battery cabinet, a Battery Management System (BMS) and a container moving loop monitoring system are integrated in the container energy storage system, and an energy storage converter and an energy management system can be integrated according to the requirements of customers. The container energy storage system has the characteristics of simplified infrastructure construction cost, short construction period, high modularization degree, convenience in transportation and installation and the like, and can be suitable for application occasions of power stations, wind energy, solar energy and the like, islands, communities, schools, scientific research institutions, factories, large load centers and the like.

In recent years, with the rapid development of electric energy storage, container energy storage is increasingly applied, and a battery plug box serving as a core component is often subjected to vibration or impact to cause the breakage of a box body in actual transportation and assembly, so that the quality of a product is adversely affected.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a high anti vibration battery subrack possesses stronger structural stability and anti vibration ability, can prevent effectively to produce the damage when transportation and assembly operation.

The technical scheme of the utility model is realized like this: the utility model provides a high vibration resistance battery plug box, which comprises a box body for installing a battery module and a plug box panel, wherein,

the box body comprises a bottom plate, two side plates and a tail plate, wherein,

the two side plates are fixed with the outer side of the bottom plate and are parallel to each other;

the tail plate is fixed with the outer side of the bottom plate and is combined with the two side plates to form a fence;

the inserting box panel is fixed with the box body;

also comprises a tail reinforcing piece and a buffer box, wherein,

the tail reinforcing piece is in lap joint with the bottom plate, the two side plates and the tail plate;

and the outer side of the buffer box is fixed with the plug box panel and the bottom plate and is used for reinforcing the plug box panel.

On the basis of the technical scheme, preferably, the bottom plate, the two side plates and the tail plate are integrally formed.

On the basis of the technical scheme, preferably, the two side plates are provided with extension plates, and the two extension plates are in lap joint with the tail plate.

Further preferably, the lap joint of the tail stiffener to the tail panel is located on opposite sides of the two extension panels.

On the basis of the technical scheme, preferably, the edge parts of the two side plates and the tail plate are all arranged in a curled edge mode, and gaps are reserved at the curled edge parts of the side plates and the tail plate.

On the basis of the above technical solution, preferably, the steel plate further comprises a plurality of reinforcing plates, wherein,

each reinforcing plate is fixed with the bottom plate, the two reinforcing plates on the outermost side are respectively in lap joint with the two side plates, and the lap joint width is at least two centimeters.

Further preferably, a transition hole is formed in the lap joint of the side plate and the reinforcing plate.

On the basis of the technical scheme, the improved plug-in box further comprises a front reinforcing piece, the front reinforcing piece is fixed with the plug-in box panel and the bottom plate and is in lap joint with the two side plates, and the buffer box is fixed with the front reinforcing piece.

Further preferably, the steel plate further comprises an embedded part, the embedded part is located in the front reinforcing part and fixed with the front reinforcing part and the bottom plate, and the embedded part is arranged in a U shape.

The utility model discloses a high anti vibration battery subrack has following beneficial effect for prior art:

(1) The mode that the tail reinforcing piece, the two side plates and the enclosing plate are in lap joint resistance welding is adopted to replace butt welding in the prior art, the strength of a welding position is effectively enhanced, the phenomenon that when the box body is collided and vibrated by external force, the received force is transmitted to the welding position to cause the welding position to crack and deform can be avoided, meanwhile, the tail reinforcing piece can effectively reinforce the tail end of the box body, and the integral deformation resistance and vibration resistance of the box body are improved;

(2) The buffering box that sets up can support the subrack panel from the middle part to the connection box improves the stability of being connected of subrack panel and box, and can conduct the impact that the subrack panel receives to the box, avoids the conduction untimely subrack panel and box production relative displacement that leads to.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a perspective view of the high vibration resistance battery subrack of the present invention;

FIG. 2 is an enlarged view of the structure at B in FIG. 1;

fig. 3 is a top view of the high vibration resistance battery box of the present invention;

FIG. 4 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is a schematic view of a portion of the structure of FIG. 4;

fig. 6 is an enlarged schematic view of the structure at C in fig. 4.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

As shown in fig. 1-6, the high vibration resistance battery box of the present invention includes a box body 1, a box panel 2, a tail reinforcement 3 and a buffer box 4.

Box 1, including bottom plate 11, two curb plates 12 and tailgates 13, two curb plates 12 are all fixed with the outside of bottom plate 11, two curb plate 12 is parallel to each other, tailgates 13 are fixed with the outside of bottom plate 11 to form with two curb plate 12 combinations and enclose the fender, it is specific, curb plate 12 upwards buckles ninety degrees for the outside of bottom plate 11 with tailgates 13, integrative bending forms, integrative bending design can reduce the production and processing cost, the department of bending deformation resistance and vibration resistance all are superior to the welding simultaneously, at the welding department of two curb plates 12 and subrack panel 2, the width of curb plate 12 widens gradually and equals with the width of subrack panel 2, be used for passing through the power that receives to subrack panel 2, can improve the anti deformation ability of curb plate 12 and subrack panel 2.

The subrack panel 2 is fixed with the box body 1, two side plates 12 and a bottom plate 11 are in lap joint with the subrack panel 2, and are fixed at lap joints through resistance welding, heat dissipation holes and plug ports are formed in the subrack panel 2, two handles are fixed at the same time, a user can hold the subrack panel, mounting lugs are welded in the outer sides of the two side plates 12, and the two mounting lugs are located on two sides of the subrack panel 2 respectively and are used for fixing the box body 1 and the subrack panel 2.

Afterbody reinforcement 3, the width is equal with bottom plate 11, and the outside upwards bends three, bends one down, and the position of bending down welds with bottom plate 11, and the three that upwards bend welds together with two curb plates 12 and tailboards overlap joint respectively, and it has a plurality of nut and is fixed with a plurality of reference column still to weld on the afterbody reinforcement 3 for the tail end of fixed battery module.

Buffer box 4 is the U-shaped and bends, and subrack panel 2 seals department and 4 welded fastening of buffer box as the U-shaped, and the top of buffer box 4 bends to its inboard, guarantees that buffer box 4 possesses stronger anti deformability, and buffer box 4 installs on subrack panel 2, can effectively support the middle part of subrack panel 2, divides the power that receives to subrack panel 2 and leads, transmits to box 1 on, can improve the anti deformability of subrack panel 2.

As shown in fig. 2, as a preferred embodiment, two of the side plates 12 each have an extension plate 121, two of the extension plates 121 are each bent toward the tail reinforcement 3, extend to between the tail reinforcement 3 and the tail plate 13, and are fixed to the tail plate 13 by lap welding, and the welding length of the tail reinforcement 3 and the tail plate 13 is slightly smaller than the distance between the two extension plates 121, so that the tail plate 13 can form a double-layer structure with the tail reinforcement 3 through the two extension plates 121, and the vibration resistance and the deformation resistance of the tail plate 13 are improved.

As a preferred embodiment, the edges of the two side plates 12 and the end plate 13 are all in a curled edge arrangement, the set curled edges can improve the deformation resistance of the edges, and a gap is left between the curled edges of the side plates 12 and the end plate 13, so that the influence on the stability of a welding position caused by the collision of adjacent curled edges along with the fine deformation of the end plate 13 and the side plates 12 can be avoided in the vibration process.

As a preferred embodiment, still include a plurality of reinforcing plate 5, each reinforcing plate 5 all is fixed with bottom plate 11, two of the outermost side reinforcing plate 5 overlap joint with two curb plate 12 respectively, and the overlap joint width is two centimetres at least, specifically, reinforcing plate 5's quantity can be selected for use and be four, two reinforcing plate 5 in the outermost side are respectively with two curb plate 12 overlap joint welding fixings, four reinforcing plate 5 are the plate of bending many times, make it possess stronger anti deformability and bearing capacity, can effectually strengthen bottom plate 11, and bear the battery module of putting into, reinforcing plate 5 one side of being connected with curb plate 12 is bent upwards, and weld with curb plate 12, make curb plate 12 form double-deck anti deformation structure, reinforcing plate 5's bending welding department slightly is less than the width of curb plate 12, wherein, the overlap joint width can be selected for use for twenty three millimetres, overlap joint width in the prior art is about ten millimetres, it can only carry out resistance welding and connect once, select for use for two times to carry out resistance welding, strengthen the joint strength of reinforcing plate 5 and curb plate 12, and effectively improve the anti deformability of 12.

Wherein, transition hole 122 has been seted up with the overlap joint of reinforcing plate 5 to curb plate 12, and transition hole 122 is the T shape setting, and every three a set of length direction equidistant distribution along curb plate 12 for the power that receives to curb plate 12 passes through, can strengthen the local anti deformability of curb plate 12 simultaneously.

As a preferred embodiment, the plug box further comprises a front reinforcement 6, the front reinforcement 6 is welded with the plug box panel 2 and the bottom plate 11, the structure of the front reinforcement 6 is similar to that of the tail reinforcement 3, the front reinforcement 6 is provided with three upward bending parts and one downward bending part, the three upward bending parts are respectively welded with the two side plates 12 and the plug box panel 2, the distance between the upward bending parts of the front reinforcement 6 and the tail reinforcement 3 is slightly larger than the welding length of the reinforcement plates 5 and the side plates 12, the buffer box 4 is welded and fixed with the front reinforcement 6, the front reinforcement 6 can further enhance the connection stability of the plug box panel 2 and the box body 1, particularly the connection position of the plug box panel 2 and the box body 1 is enhanced, and the cracking of the welding position of the plug box panel 2 and the box body 1 when the plug box panel 2 is subjected to impact deformation is effectively avoided.

As shown in fig. 6, in order to further improve the connection strength between the front reinforcement 6 and the bottom plate 11, an embedded part 7 is further provided, the embedded part 7 is located in the front reinforcement 6 and fixed to the front reinforcement 6 and the bottom plate 11, the embedded part 7 is arranged in a U shape, the embedded part 7 internally supports the front reinforcement 6 at the connection position between the front reinforcement 6 and the bottom plate 11, and the fixed welding area between the front reinforcement 6 and the bottom plate 11 is increased, so that the connection strength between the front reinforcement 6 and the bottom plate 11 is improved, and the stability of the bottom plate 11 is enhanced.

The utility model discloses a theory of operation does: adopt afterbody reinforcement 3, two curb plates 12 and bounding wall 13 carry out overlap joint resistance welding, replace the butt welding among the prior art, the intensity of welding position has effectively been strengthened, when can avoiding box 1 to receive external force collision vibration, the power conduction that receives to the welding position, lead to the welding position fracture and deformation, afterbody reinforcement 3 can carry out effectual enhancement to the tail end of box 1 simultaneously, improve the whole anti deformation and the anti vibration ability of box 1, among the prior art, directly weld subrack panel 2 to the front of box 1, box 1 and subrack panel 2's junction only is located the outside of subrack panel 2, the middle part that leads to subrack panel 2 lacks bearing structure, the buffer box 4 of setting, can support from the middle part subrack panel 2, and connect box 1, improve the stability of being connected of subrack panel 2 and box 1, and can carry out the conduction to box 1 with the impact that subrack panel 2 receives, avoid the conduction untimely lead to subrack panel 2 and box 1 to produce relative displacement, make the junction fracture.

In the simulation experiment process, under the sweep frequency vibration load with the maximum acceleration of 2g, the maximum stress of the X-direction plug box is 650.46Mpa, reduced to 583.96Mpa, reduced by 10.22%; the maximum stress in the Y direction is 410.73Mpa, and is reduced to 316.2Mpa, which is reduced by 23.02%; the maximum stress of the Z direction is 956.41Mpa, and is reduced to 243.97Mpa, which is reduced by 74.49%; the damage value of the plug box in the prior art is 8659.6, and the damage value of the plug box in the scheme is 38.1; through the front and back structure contrastive analysis of above emulation, subrack anti vibration effect and stability in this scheme obviously strengthen.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be construed as limiting the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high vibration resistance battery plug box comprises a box body (1) for installing a battery module and a plug box panel (2), wherein,

the box body (1) comprises a bottom plate (11), two side plates (12) and a tail plate (13), wherein,

the two side plates (12) are fixed with the outer side of the bottom plate (11), and the two side plates (12) are parallel to each other;

the tail plate (13) is fixed with the outer side of the bottom plate (11) and is combined with the two side plates (12) to form a fence;

the inserting box panel (2) is fixed with the box body (1);

the method is characterized in that: also comprises a tail reinforcing piece (3) and a buffer box (4), wherein,

the tail reinforcing piece (3) is overlapped with the bottom plate (11), the two side plates (12) and the tail plate (13);

and the outer side of the buffer box (4) is fixed with the plug box panel (2) and the bottom plate (11) and is used for reinforcing the plug box panel (2).

2. The high vibration resistance battery compartment of claim 1 wherein: the bottom plate (11), the two side plates (12) and the tail plate (13) are integrally formed.

3. The high vibration resistance battery compartment of claim 1 wherein: the two side plates (12) are provided with extension plates (121), and the two extension plates (121) are in lap joint with the tail plate (13).

4. The high vibration resistance battery compartment of claim 3 wherein: the lap joint of the tail reinforcing piece (3) and the tail plate (13) is positioned at the opposite sides of the two extension plates (121).

5. The high vibration resistance battery compartment of claim 1 wherein: the edge of the two side plates (12) and the edge of the tail plate (13) are arranged in a curling mode, and gaps are reserved at the curling positions of the side plates (12) and the tail plate (13).

6. The high vibration resistance battery compartment of claim 1 wherein: also comprises a plurality of reinforcing plates (5), wherein,

each reinforcing plate (5) is fixed with the bottom plate (11), the two reinforcing plates (5) on the outermost sides are respectively lapped with the two side plates (12), and the lapping width is at least two centimeters.

7. The high vibration resistance battery compartment of claim 6 wherein: transition holes (122) are formed in the lap joint of the side plates (12) and the reinforcing plate (5).

8. The high vibration resistance battery compartment of claim 1 wherein: still include leading reinforcement (6), leading reinforcement (6) are fixed with subrack panel (2) and bottom plate (11) to with two curb plate (12) overlap joints, cushion box (4) are fixed with leading reinforcement (6).

9. The high vibration resistance battery compartment of claim 8 wherein: still include built-in (7), built-in (7) are located leading reinforcement (6), and are fixed with leading reinforcement (6) and bottom plate (11), built-in (7) are the U-shaped setting.