CN216354431U

CN216354431U - Energy storage device

Info

Publication number: CN216354431U
Application number: CN202122921117.1U
Authority: CN
Inventors: 黄英雄
Original assignee: Xiamen Haichen New Energy Technology Co Ltd
Current assignee: Xiamen Hithium Energy Storage Technology Co Ltd
Priority date: 2021-11-25
Filing date: 2021-11-25
Publication date: 2022-04-19
Anticipated expiration: 2031-11-25

Abstract

The utility model discloses energy storage equipment, which comprises a plurality of rows of battery modules; the multi-column battery module is characterized by comprising a cluster frame, wherein the cluster frame is arranged on the multiple columns of battery modules and comprises a bottom plate and a plurality of stand columns, the stand columns are arranged on the bottom plate and comprise two adjacent ventilation stand columns between the battery modules, the ventilation stand columns are provided with through holes, and the through holes are communicated with the two adjacent ventilation stand columns to form a space between the battery modules. Among the energy storage equipment of above-mentioned embodiment, set up the through-hole through the stand that ventilates between two adjacent battery modules, external cold wind can get into the space between two adjacent battery modules through the through-hole for two adjacent battery modules can in time dispel the heat, avoid or reduce the risk of battery module thermal runaway, improve thermal management efficiency.

Description

Energy storage device

Technical Field

The utility model relates to the technical field of energy storage, in particular to energy storage equipment

Background

Energy storage devices typically have a battery rack and a plurality of battery modules mounted to the battery rack. When the energy storage equipment works, the battery modules can generate heat, and the plurality of battery modules arranged on the battery rack are easy to accumulate heat to cause the abnormal rise of the temperature of the battery modules, so that the reliability of the energy storage equipment is influenced.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides energy storage equipment.

An energy storage device according to an embodiment of the present invention includes:

a plurality of rows of battery modules;

the multi-column battery module is characterized by comprising a cluster frame, wherein the cluster frame is arranged on the multiple columns of battery modules and comprises a bottom plate and a plurality of stand columns, the stand columns are arranged on the bottom plate and comprise two adjacent ventilation stand columns between the battery modules, the ventilation stand columns are provided with through holes, and the through holes are communicated with the two adjacent ventilation stand columns to form a space between the battery modules.

Among the energy storage equipment of above-mentioned embodiment, set up the through-hole through the stand that ventilates between two adjacent battery modules, external cold wind can get into the space between two adjacent battery modules through the through-hole for two adjacent battery modules can in time dispel the heat, avoid or reduce the risk of battery module thermal runaway, improve thermal management efficiency.

In some embodiments, the through-hole includes a plurality of through-holes, and the plurality of through-holes are arranged along a length direction of the ventilation column.

In some embodiments, each through hole is located in two adjacent columns of the battery modules, between two adjacent battery modules.

In some embodiments, the through hole has a long strip shape, and the length direction of the through hole is along the height direction of the tuft frame.

In certain embodiments, the ventilation posts are located on a rear side of the tuft block.

In certain embodiments, the ventilation column is substantially C-shaped in transverse cross-section.

In some embodiments, the battery modules comprise a box body, wherein the side surface of the box body is provided with a vent hole, and the vent hole is communicated with the space between two adjacent columns of the battery modules.

In some embodiments, the battery module comprises a box body, wherein a front panel of the box body is provided with a limiting part, and the limiting part abuts against the front surface of the upright post.

In some embodiments, the side surface of the upright is provided with a plurality of guide rails, and a pair of guide rails on two adjacent uprights supports one battery module.

In certain embodiments, the tuft block comprises a top frame connecting top ends of the plurality of posts.

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 diagram of an energy storage device according to an embodiment of the present invention;

FIG. 2 is another schematic structural diagram of an energy storage device according to an embodiment of the utility model;

FIG. 3 is a schematic structural view of a tuft block according to an embodiment of the present invention;

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

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for the purpose of illustrating the embodiments of the present invention and are not to be construed as limiting the embodiments of the present invention.

In embodiments of the present invention, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact with each other through another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different configurations of embodiments of the utility model. In order to simplify the disclosure of embodiments of the utility model, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Embodiments of the utility model may repeat reference numerals and/or letters in the various examples for simplicity and clarity and do not in themselves dictate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present invention provide examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

Referring to fig. 1 to 4, an energy storage device 100 according to an embodiment of the utility model includes a plurality of rows of battery modules 12 and a cluster frame 14. The multi-column battery modules 12 are mounted on the cluster frame 14, the cluster frame 14 comprises a bottom plate 16 and a plurality of stand columns 18, the stand columns 18 are mounted on the bottom plate 16, the stand columns 18 comprise ventilation stand columns 20 located between two adjacent columns of battery modules 12, through holes 22 are formed in the ventilation stand columns 20, and the through holes 22 are communicated with spaces between two adjacent columns of battery modules 12.

In the energy storage device 100 of the above embodiment, the through hole 22 is formed through the ventilation column 20 between two adjacent rows of the battery modules 12, and external cold air can enter the space between two adjacent battery modules 12 through the through hole 22, so that the two adjacent rows of the battery modules 12 can dissipate heat in time, the risk of thermal runaway of the battery modules 12 is avoided or reduced, and the thermal management efficiency is improved.

Specifically, the number of columns of the battery modules 12 may be two or more, for example, three, four, or more. In the illustrated embodiment, the number of rows of battery modules 12 is two. The number of the battery modules 12 may be plural in each row of the battery modules 12, for example, two, three, or more than three, and in the illustrated embodiment, the number of the battery modules 12 in the left row is five, the number of the battery modules 12 in the right row is four, and the high-voltage box 23 is located at the lowermost position of the battery modules 12 in the right row. In each row of the battery modules 12, a plurality of the battery modules 12 are arranged at intervals in the height direction. All the battery modules 12 are electrically connected in series, in parallel, or in series-parallel to obtain a desired voltage or current.

The energy storage device 100 may be fabricated in the form of a small container, and the energy storage device 100 may be placed indoors or outdoors. The tuft block 14 may be made of a metallic material and may be assembled by bolting or welding. The plurality of columns 18 partition the space above the base plate 16 into a plurality of rows of spaces, each row of spaces mounting one row of the battery modules 12.

The ventilation columns 20 are located between two adjacent columns of the battery modules 12. In the illustrated embodiment, the column 18 located between the left row of battery modules 12 and the right row of battery modules 12 is a ventilation column 20. When the two rows of battery modules 12 work, heat is generated, and external cold air can enter the space between the two adjacent rows of battery modules 12 from the through holes 22, so that the heat generated when the battery modules 12 work can be dissipated in time, the heat is prevented from accumulating in the cluster frame 14, the thermal runaway of the battery modules 12 is avoided, and the reliability and the safety of the energy storage device 100 are ensured.

In some embodiments, referring to fig. 2 to 4, the through holes 22 include a plurality of through holes 22, and the plurality of through holes 22 are disposed along the length direction of the ventilation columns 20. Thus, the heat dissipation efficiency can be improved.

Specifically, the plurality of through-holes 22, which are provided along the length direction of the ventilation post 20, can effectively cool the respective battery modules 12 in the height direction.

In some embodiments, each through hole 22 is located in two adjacent columns of the battery modules 12, between two adjacent battery modules 12. Therefore, the heat dissipation efficiency is further improved.

Specifically, when the battery modules 12 are operated, heat is radiated to a space between two adjacent battery modules 12. The through holes 22 are located at the adjacent two battery modules 12, so that the through holes 22 are in substantially straight line communication with the space, the heat transfer path is reduced, and the heat dissipation efficiency is improved.

In some embodiments, through-hole 22 is elongated, and the length of through-hole 22 is along the height of tuft block 14. Therefore, the heat dissipation efficiency can be improved.

Specifically, in the illustrated embodiment, the number of the through holes 22 is plural, each through hole 22 has a long shape, for example, a racetrack shape, and the length direction of the through hole 22 is along the height direction of the rack 14, and each through hole 22 is located between two adjacent battery modules 12, so that the area of the through hole 22 for supplying air into the rack 14 is large, and the through hole can substantially cover the height of the space between two adjacent battery modules 12 in the height direction, so that the battery modules 12 can be cooled in time.

In addition, compared with the method of forming a long through hole 22 (such as substantially covering the height of the tuft frame 14), the plurality of through holes 22 arranged at intervals can also ensure the structural strength of the ventilation column 20, and avoid deformation of the ventilation column 20, which may cause deformation of the tuft frame 14.

In some embodiments, the ventilation posts 20 are located on the rear side of the tuft block 14. Thus, user experience can be improved.

Specifically, the temperature of battery module 12 during operation is higher than human temperature, is located the ventilation stand 20 of the 14 rear sides of cluster frame, and when the heat distributed out, the heat can give off to the 14 rear sides of cluster frame, avoids causing hot-blast blow directly to the operating personnel of operation before the frame.

It is understood that in other embodiments, the posts 18 located between two adjacent columns of the battery modules 12 at the front side of the tuft block 14 may also be used as the ventilation posts 20. And is not particularly limited herein.

In some embodiments, the ventilation columns 20 are generally C-shaped in transverse cross-section. In this way, weight reduction of the cluster frame 14 can be achieved.

Specifically, the C-shaped column 18 has a good weight reduction effect, and more battery modules 12 can be placed on the premise of the same weight, so that the energy density of the energy storage device 100 can be improved. Moreover, the through holes 22 are formed in the C-shaped upright posts 18, so that the weight reduction effect is further improved. It will be appreciated that in other embodiments, other cross-sectional shapes of the posts 18 may be used.

In some embodiments, the battery modules 12 include a case 24, and the side of the case 24 is provided with a vent hole (not shown), which communicates with the space between two adjacent rows of the battery modules 12. Therefore, the heat dissipation efficiency can be improved.

Specifically, when the battery module 12 works, the internal heat of the battery module 12 can be dissipated to the outside of the battery module 12 through the vent hole, external cold air enters the inside of the cluster frame 14 from the through hole 22, and the heat is exchanged with the heat dissipated through the vent hole generated by the battery module 12, so that the outside and the inside of the battery module 12 can be effectively cooled, and the heat dissipation efficiency is improved.

One or more battery cell modules are installed in the box body 24, each battery cell module may include a plurality of batteries, and the plurality of batteries are electrically connected in series, parallel, or series-parallel. The battery can be a cylindrical battery, a square battery or a battery with other shapes. The battery may also be a lithium battery or other type of battery, and is not particularly limited herein.

In some embodiments, the battery module 12 includes a case 24, and a front panel of the case 24 is provided with a stopper 26, and the stopper 26 abuts against a front surface of the pillar 18. In this manner, the installation of the battery module 12 is facilitated.

Specifically, when the battery module 12 is mounted, the battery module 12 may be inserted to the mounting position of the tuft block 14, and when the stopper portion 26 abuts against the front surface of the pillar 18, it indicates that the battery module 12 is mounted in place. Then, the stopper 26 is screwed into the column 18 to fix the battery module 12. Of course, in other embodiments, the battery modules 12 may be fixed by welding.

In some embodiments, the sides of the uprights 18 are provided with a plurality of rails 28, and a pair of rails 28 on two adjacent uprights 18 supports one battery module 12. In this manner, the installation of the battery module 12 is facilitated.

Specifically, one battery module 12 is supported by a pair of guide rails 28 opposed in the same height direction, and when the battery module 12 is mounted, the battery module 12 can be inserted over the guide rails 28 from the front side of the tuft block 14, with the bottom surface of the battery module 12 contacting the guide rails 28. The insertion of the battery modules 12 is continued so that the battery modules 12 can be mounted inside the tuft block 14 along the length of the two guide rails 28. In one embodiment, the front panel of the case 24 is provided with a stopper 26, and when the stopper 26 abuts against the front surface of the pillar 18, it indicates that the battery module 12 is mounted in place. And then fixes the battery module 12. The guide rails 28 also effectively support the battery module 12.

In certain embodiments, the tuft block 14 includes a top frame 30, the top frame 30 connecting the top ends of the plurality of posts 18. Thus, the heat dissipation efficiency of the battery module 12 can be improved.

Specifically, top frame 30 can reduce the material and use, further reduces the weight of the frame 14 that clusters, and in addition, battery module 12 during operation for the inside air temperature of frame 14 rises, and the air that the temperature rises can flow upwards, and top frame 30 can make the air current that rises can in time distribute out the frame 14 outside, has promoted the radiating efficiency.

In addition, the cluster frame 14 further comprises a ground pin 32, the ground pin 32 is installed at the bottom of the bottom plate 16, and the ground pin 32 can effectively support the cluster frame 14. Furthermore, the anchor 32 can be fixed on a supporting surface (such as the ground) through a fastener (such as a screw), so that the shaking of the cluster frame 14 is avoided, and the installation stability of the energy storage device 100 is ensured.

In the description herein, references to the description of the terms "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, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims

1. An energy storage device, characterized in that the energy storage device comprises:

a plurality of rows of battery modules;

2. The energy storage device of claim 1, wherein the through-hole comprises a plurality of through-holes disposed along a length of the ventilation post.

3. The energy storage device of claim 2, wherein each through hole is located in two adjacent columns of the battery modules, and between two adjacent battery modules.

4. The energy storage device of claim 1, wherein the through hole is elongated, and a length direction of the through hole is along a height direction of the tufting frame.

5. The energy storage device of claim 1, wherein the ventilation post is located on a rear side of the tufting frame.

6. The energy storage device of claim 1, wherein the transverse cross-section of the ventilation column is substantially C-shaped.

7. The energy storage device of claim 1, wherein the battery modules comprise a box body, the side surface of the box body is provided with a vent hole, and the vent hole is communicated with a space between two adjacent columns of the battery modules.

8. The energy storage device according to claim 1, wherein the battery module comprises a case, and a front panel of the case is provided with a stopper portion that abuts against a front surface of the pillar.

9. The energy storage device of claim 1, wherein the side of the pillars is provided with a plurality of guide rails, and a pair of guide rails on two adjacent pillars supports one battery module.

10. The energy storage device of claim 1, wherein the tufting frame comprises a top frame connecting top ends of the plurality of studs.