CN220382240U

CN220382240U - Battery cluster frame

Info

Publication number: CN220382240U
Application number: CN202322027485.0U
Authority: CN
Inventors: 胡美娇; 高伟; 夏建华; 李峥; 冯玉川
Original assignee: Suzhou Qingtao New Energy S&T Co Ltd
Current assignee: Suzhou Qingtao New Energy S&T Co Ltd
Priority date: 2023-07-31
Filing date: 2023-07-31
Publication date: 2024-01-23
Anticipated expiration: 2033-07-31

Abstract

The utility model belongs to the technical field of battery systems, and discloses a battery cluster frame. The battery cluster rack comprises a rack body assembly and a tray assembly. At least two support body subassembly interval sets up, and a plurality of tray subassembly can dismantle the setting between two adjacent support body subassemblies, and a plurality of tray subassembly is along vertical direction interval arrangement. The battery package is placed on the tray subassembly, and the tray subassembly is provided with cooling channel with the one side of battery package butt. The cool air and the cool air of the air conditioner can flow into the battery cluster frame through the cooling channel, so that each battery pack can be effectively cooled. The battery cluster frame is convenient to assemble, disassemble and transport, can be flexibly assembled according to the space size and the placement requirement, and has strong universality.

Description

Battery cluster frame

Technical Field

The utility model relates to the technical field of battery systems, in particular to a battery cluster frame.

Background

With the gradual maturity of lithium battery technology, the development of energy storage power supplies taking lithium batteries as secondary batteries is rapid. The lithium ion battery energy storage system is designed in a modularized mode, in the lithium ion battery energy storage system, the minimum unit is an electric core, a plurality of electric cores are connected in series and parallel to form a battery module, the plurality of battery modules can be installed in a shell to form a battery pack, then the plurality of battery packs are sequentially arranged on a battery cluster frame in series and parallel to form a battery cluster, and finally the plurality of battery clusters are electrically connected to form the battery energy storage system.

The battery pack can generate a large amount of heat in the charge and discharge process, and if heat dissipation is not timely carried out, safety accidents can occur. The existing energy storage battery system generally adopts an air cooling or air conditioning room to cool the battery pack, the cooling effect of the battery pack located at the edge of the battery cluster frame is good, but air conditioning cold air or cold air cannot enter the inside of the battery cluster frame, the battery pack located inside the battery cluster frame cannot be effectively cooled, the electric performance of the battery pack cannot be influenced, and the risk of thermal runaway exists.

Accordingly, it is desirable to provide a battery cluster frame that allows air-conditioned cold air or cold wind to enter the inside of the battery cluster frame and that allows each battery pack to be effectively cooled.

Disclosure of Invention

The utility model aims to provide a battery cluster frame, which enables air conditioning cold air or cold air to enter the inside of the battery cluster frame and enables the surface of each battery pack to be effectively cooled.

To achieve the purpose, the utility model adopts the following technical scheme:

a battery cluster rack for holding battery packs, comprising:

the frame body components are arranged at intervals;

the tray components are detachably arranged between two adjacent frame body components, the tray components are arranged at intervals in the vertical direction, the battery packs are placed on the tray components, and a cooling channel is formed in one side, abutting against the battery packs, of each tray component.

Preferably, the tray assembly comprises a supporting plate, a groove is formed in one side, which is abutted to the battery pack, of the supporting plate, one end of the groove penetrates through one end of the supporting plate, the other end of the groove penetrates through the other end of the supporting plate, and the groove forms the cooling channel.

Preferably, the tray assembly further comprises a bearing plate, and the bearing plate is arranged on one side, far away from the battery pack, of the carrying plate.

Preferably, the tray assembly comprises at least two supporting members and at least one bearing member, wherein two adjacent supporting members are connected through one bearing member, the bearing member is of a U-shaped structure, and the cooling channel is formed by grooves of the U-shaped structure.

Preferably, a cooling pipe is disposed in the cooling passage.

Preferably, the battery cluster rack further comprises a fan configured to accelerate the circulation of air within the cooling channel.

Preferably, the frame assembly comprises two upright posts and a plurality of supporting beams, wherein the two upright posts are arranged at intervals, the plurality of supporting beams are arranged between the two upright posts at intervals along the vertical direction, one end of the tray assembly is detachably arranged on the supporting beam of one frame assembly, and the other end of the tray assembly is detachably arranged on the supporting beam of the other frame assembly.

Preferably, the battery cluster frame further comprises a fixed vertical beam, the fixed vertical beam is arranged between two adjacent frame body assemblies, the side face of the fixed vertical beam is detachably connected with a plurality of tray assemblies, and the battery packs between the two frame body assemblies can be detachably connected with the fixed vertical beam.

Preferably, the fixed vertical beam is of a hollow square structure, and an opening is formed in one side, facing the plurality of tray assemblies, of the fixed vertical beam along the vertical direction.

Preferably, the battery cluster frame further comprises a top cover plate, and the top cover plate is arranged at one end, far away from the ground, of the frame body assembly.

The beneficial effects are that:

the battery package is placed on the tray subassembly, and the tray subassembly is provided with cooling channel with the one side of battery package butt. The cool air and the cool air of the air conditioner can flow into the battery cluster frame through the cooling channel, so that each battery pack can be effectively cooled. The battery cluster frame consists of at least two frame body components and a plurality of tray components, can be flexibly assembled according to the space size and the placement requirement, is convenient to assemble, disassemble and transport, and has strong universality.

Drawings

FIG. 1 is a schematic view of a battery cluster frame provided by the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a side view of a battery cluster frame according to the present utility model

FIG. 4 is a schematic view of a tray assembly according to a first embodiment of the present utility model;

fig. 5 is a schematic view of a tray assembly according to a second embodiment of the present utility model.

In the figure:

1. a frame assembly; 11. a column; 12. a support beam;

2. a tray assembly; 21. a cooling channel; 22. a support plate; 23. a bearing plate; 24. a carrier; 25. a load bearing member; 26. an end bearing;

3. fixing a vertical beam; 31. an opening;

4. and a top cover plate.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

Example 1

At present, the battery cluster frame generally adopts a welding mode to weld the section steel into an integral structure, and the battery cluster frame is generally large in size and heavy due to the large number of battery packs to be carried, so that the assembly, disassembly and transportation are not convenient; the installation is also very inconvenient due to the limitation of the indoor space. Meanwhile, the battery pack can generate a large amount of heat in the charge and discharge process, and if heat dissipation is not timely carried out, safety accidents can occur. The existing energy storage battery system is generally cooled by adopting an air cooling or air conditioning room, and the cooling effect of the battery pack positioned at the edge of the battery cluster frame is good. But air conditioner air conditioning or cold air can not get into inside the battery cluster frame, and the battery package that is located inside the battery cluster frame can not obtain effective cooling, can not only cause the influence to the electric property of battery package, still has the risk of thermal runaway.

In order to solve the above-mentioned problems, see fig. 1 and 3, this embodiment provides a battery cluster rack, including a rack body assembly 1 and a tray assembly 2, at least two rack body assemblies 1 are arranged at intervals, a plurality of tray assemblies 2 are detachably arranged between two adjacent rack body assemblies 1, and a plurality of tray assemblies 2 are arranged at intervals along the vertical direction. The battery package is placed on tray subassembly 2, and tray subassembly 2 is provided with cooling channel 21 with the one side of battery package butt.

When in field assembly, the number of the frame body assemblies 1 can be flexibly selected according to the size of the indoor space and the number of the battery packs to be placed. Cold air or cold air of the indoor air conditioner can flow into the battery cluster frame through the cooling channel 21, and one side of the battery packs, which is abutted to the tray assembly 2, can be in contact with the cold air or the cold air, so that each battery pack can be effectively cooled, and the risk of thermal runaway is reduced.

Specifically, the frame body assembly 1 comprises two upright posts 11 and a plurality of supporting beams 12, the two upright posts 11 are arranged at intervals, the plurality of supporting beams 12 are arranged between the two upright posts 11 at intervals along the vertical direction, one end of the tray assembly 2 is detachably arranged on the supporting beam 12 of one frame body assembly 1, and the other end of the tray assembly 2 is detachably arranged on the supporting beam 12 of the other frame body assembly 1.

The supporting beams 12 can be flexibly arranged according to the volume of the battery pack, when the volume of the battery pack is larger, the intervals among the supporting beams 12 along the vertical direction are larger, so that the accommodating space between two adjacent tray assemblies 2 is larger after the battery cluster frame is installed; when the battery pack is small, the intervals between the plurality of support beams 12 in the vertical direction are small, so that the battery cluster frame can accommodate more battery packs to increase the electric quantity. The battery cluster frame of the embodiment has strong universality and can be applied to different size use scenes and battery packs with different sizes.

In this embodiment, the number of the frame assemblies 1 is three, and since the tray assemblies 2 are detachably disposed between two frames, the width of the supporting beam 12 of the frame assembly 1 located in the middle is twice that of the supporting beams 12 of the frame assemblies 1 located at the two ends, so as to improve the strength of the frame assembly 1 located in the middle and ensure the stability of the tray assemblies 2 located at the two sides of the frame assembly 1.

Preferably, referring to fig. 4, the tray assembly 2 includes at least two carrying members 24 and at least one bearing member 25, wherein two adjacent carrying members 24 are connected by one bearing member 25, and the bearing member 25 has a U-shaped structure, and grooves of the U-shaped structure form the cooling channels 21. When the battery package is placed on tray subassembly 2, the air conditioning's air conditioning or cold wind can flow into inside the battery cluster frame through the recess of load-carrying member 25, and battery package and tray subassembly 2 butt's one side also can be with cold wind or air contact for every battery package can all obtain effective cooling, has reduced the thermal runaway risk.

The number of the carrying members 24 is determined according to actual needs, the greater the number of the carrying members 24 is, the greater the number of the corresponding bearing members 25 is, namely, the greater the number of the cooling channels 21 is, the better the cooling effect is; the fewer the number of carriers 24, the fewer the corresponding number of bearings 25, and the more time-efficient and convenient the assembly of the pallet assembly 2.

Specifically, the bearing member 25 may be made of a profile with a relatively strong bearing capacity, such as a profile steel, an aluminum profile, etc., so as to improve the bearing stability of the battery cluster frame; the carrier 24 may also be made of a material with a general bearing capacity but low cost, such as a steel plate or a galvanized iron plate, so as to ensure that the tray assembly 2 has a certain bearing capacity, prevent the tray assembly 2 from deforming due to an excessively heavy battery pack, and save manufacturing cost.

In order to make the load-bearing capacity of the tray better, the tray assembly 2 further comprises an end load bearing member 26, the side of the two outermost load bearing members 24 of the tray assembly 2 facing away from the battery pack being provided with end load bearing members 26. In this embodiment, the end bearing 26 is an L-shaped structure, which is also made of a profile with a high load bearing capacity, such as a section steel, an aluminum profile, or the like.

Preferably, a cooling pipe is further provided in the cooling passage 21, and cooling water is introduced into the cooling pipe. The cooling tube and the battery pack are in direct contact with the side of the tray assembly 2, so that the surface of the side of the battery pack, which is in contact with the tray assembly 2, can be cooled better.

In this embodiment, the cooling tube is a flat square tube that is placed in a groove of the load bearing member 25.

In other embodiments, the battery cluster rack further includes a fan configured to accelerate the circulation of air within the cooling channel 21. Specifically, the blowing direction of the fan is directed toward the cooling passage 21, so that the battery pack located inside the battery cluster frame is better cooled by accelerating the circulation of air in the cooling passage 21.

Preferably, the battery cluster frame further comprises a fixed vertical beam 3, the fixed vertical beam 3 is arranged between two adjacent frame body assemblies 1, the side faces of the fixed vertical beam 3 are detachably connected with the plurality of tray assemblies 2, and a battery pack between the two frame body assemblies 1 can be detachably connected with the fixed vertical beam 3. The fixed vertical beam 3 is connected with a plurality of tray components 2, so that the stability of the battery cluster frame can be improved, and the fixed vertical beam 3 can also fix the battery packs on each tray component 2, so that the stability of the battery packs is ensured, and the situation that the battery packs are shifted or even fall off due to slight deformation or vibration of the battery cluster frame under the working condition of long-term load is prevented.

Specifically, referring to fig. 2, the fixed vertical beam 3 has a hollow square structure, and an opening 31 is formed in a vertical direction on one side of the fixed vertical beam 3 facing the plurality of tray assemblies 2. On the one hand, the opening 31 facilitates the operation of extending the tool into the fixed vertical beam 3, and the fixed vertical beam 3 and the tray assembly 2, the fixed vertical beam 3 and the battery pack are fixed together by bolts; on the other hand, the hollow portion of the fixed vertical beam 3 may serve as a harness passage, and this opening 31 is used to arrange connection lines of a plurality of battery packs in the harness passage, and the wiring is more regular and beautiful.

Further, in order to simplify the structure of the fixed vertical beam 3, the opening 31 penetrates to both ends of the fixed vertical beam 3 in the vertical direction, that is, the plate-like structure can be disposed at intervals by bending to both ends to form the fixed vertical beam 3 having the opening 31.

Preferably, the battery cluster frame further comprises a top cover plate 4, and the top cover plate 4 is arranged at one end of the frame body assembly 1, which is far away from the ground. The top cover plate 4 can prevent external dust or foreign matters from directly falling onto the battery pack placed on the uppermost layer of the battery cluster frame, so that the battery pack is ensured not to be polluted.

Example two

The present embodiment is based on the first embodiment, and the structure of the tray assembly 2 is changed.

In this embodiment, referring to fig. 5, the tray assembly 2 includes a support plate 22, a groove is formed on a side of the support plate 22 abutting against the battery pack, one end of the groove penetrates to one end of the support plate 22, the other end of the groove penetrates to the other end of the support plate 22, and the groove forms a cooling channel 21. When the battery package is placed on tray subassembly 2, the air conditioning's air conditioning or cold wind can flow into inside the battery cluster frame through the recess of load-carrying member 25, and battery package and tray subassembly 2 butt's one side also can be with cold wind or air contact for every battery package can all obtain effective cooling, has reduced the thermal runaway risk.

The support plate 22 is integrally designed, and the cooling channel 21 can be arranged by forming the grooves on the support plate, so that the tray assembly 2 is not required to be assembled time-consuming and labor-saving. The number of grooves can be determined according to actual needs, and the more the number of grooves is, the more the number of cooling channels 21 is, the better the cooling effect is.

Further, the tray assembly 2 further comprises a bearing plate 23, and the bearing plate 23 is arranged on one side of the carrying plate 22 away from the battery pack. The bearing plate 23 can guarantee that the tray assembly 2 has certain bearing capacity for the stability of tray assembly 2 is better, prevents that the battery package from being overweight and makes the circumstances of tray assembly 2 deformation take place.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. A battery cluster rack for holding battery packs, comprising:

the frame body assembly (1), at least two frame body assemblies (1) are arranged at intervals;

the battery pack comprises a tray assembly (2), a plurality of tray assemblies (2) and a plurality of cooling channels (21) arranged on one side of the tray assembly (2) which is in butt joint with the battery pack, wherein the tray assemblies (2) are detachably arranged between two adjacent frame assemblies (1), the tray assemblies (2) are arranged at intervals in the vertical direction, and the battery packs are arranged on the tray assemblies (2).

2. The battery cluster frame according to claim 1, wherein the tray assembly (2) comprises a supporting plate (22), a groove is formed in one side, which is abutted against the battery pack, of the supporting plate (22), one end of the groove penetrates through one end of the supporting plate (22), the other end of the groove penetrates through the other end of the supporting plate (22), and the groove forms the cooling channel (21).

3. The battery cluster frame of claim 2, wherein the tray assembly (2) further comprises a bearing plate (23), the bearing plate (23) being disposed on a side of the carrier plate (22) remote from the battery pack.

4. Battery cluster frame according to claim 1, characterized in that the tray assembly (2) comprises at least two carrying members (24) and at least one bearing member (25), adjacent two carrying members (24) being connected by one of the bearing members (25), the bearing members (25) being of a U-shaped structure, the grooves of the U-shaped structure forming the cooling channels (21).

5. The battery cluster frame according to any one of claims 1 to 4, wherein a cooling tube is provided in the cooling channel (21).

6. The battery cluster frame of any one of claims 1-4, further comprising a fan configured to accelerate the circulation of air within the cooling channel (21).

7. The battery cluster frame according to claim 1, wherein the frame assembly (1) comprises two upright posts (11) and a plurality of supporting beams (12), the two upright posts (11) are arranged at intervals, the plurality of supporting beams (12) are arranged between the two upright posts (11) at intervals along the vertical direction, one end of the tray assembly (2) is detachably arranged on the supporting beam (12) of one frame assembly (1), and the other end of the tray assembly (2) is detachably arranged on the supporting beam (12) of the other frame assembly (1).

8. The battery cluster frame according to claim 1, further comprising a fixed vertical beam (3), wherein the fixed vertical beam (3) is disposed between two adjacent frame body assemblies (1), the side surfaces of the fixed vertical beam (3) are detachably connected with a plurality of tray assemblies (2), and the battery packs between the two frame body assemblies (1) are detachably connected with the fixed vertical beam (3).

9. The battery cluster frame according to claim 8, wherein the fixed vertical beams (3) are of a hollow square structure, and an opening (31) is formed in the fixed vertical beams (3) towards one side of the tray assemblies (2) along the vertical direction.

10. The battery cluster frame according to claim 1, further comprising a top cover plate (4), the top cover plate (4) being disposed at an end of the frame body assembly (1) remote from the ground.