CN221427843U - Air-cooled battery cluster - Google Patents

Abstract

The utility model discloses an air-cooled battery cluster. The air-cooled battery cluster includes: the battery rack is provided with a plurality of stations at intervals; the gap is arranged between two adjacent stations or between the stations and the side wall of the battery rack; and at least one air port of the fan assembly is arranged opposite to one gap and used for supplying air or exhausting air to the gap. In the utility model, the air supply or the air suction is carried out on the gap through the air port of at least one fan assembly, so that stable and uniform heat dissipation air flow can be provided for the corresponding gap, the fixed-point air cooling heat dissipation of the local area of the air-cooled battery cluster is realized, the air cooling effect is optimized, and the energy consumption is reduced.

Description

Air-cooled battery cluster

Technical Field

The utility model relates to the technical field of battery clusters, in particular to an air-cooled battery cluster.

Background technique

In the prior art, battery clusters using air cooling generally adopt centralized air supply or independent air supply. The independent air supply method mainly corresponds to an independent fan being provided for each battery pack. The battery pack and the fan are cooled and dissipated in a one-to-one manner, which affects the protection level of the battery pack and leads to high cost. The fan occupies the internal space of the battery rack of the battery cluster, seriously affecting the capacity and layout of the battery cluster. When multiple fans are started at the same time, the energy consumption is huge, resulting in high cost of use. The centralized air supply method generally adopts one fan to cool and dissipate heat for all battery packs in the entire battery cluster at the same time. The cooling effect is poor, the heat dissipation effect is obviously uneven, and the energy consumption is large. At the same time, it is impossible to perform fixed-point air cooling and heat dissipation on local areas based on the actual situation of the air-cooled battery cluster.

Utility Model Content

In order to overcome at least one of the defects of the prior art described above, the utility model provides an air-cooled battery cluster, which provides a stable and uniform heat dissipation airflow.

According to an embodiment of the utility model, an air-cooled battery cluster includes: a battery rack, on which a plurality of workstations are arranged at intervals; a gap, which is arranged between two adjacent workstations, or between a workstation and a side wall of the battery rack; and a fan assembly, wherein an air outlet of at least one of the fan assemblies is arranged opposite to one of the gaps for supplying or exhausting air to the gap.

In the present air-cooled battery cluster, air is supplied or extracted to the gap through the air outlet of at least one of the fan components, so that a stable and uniform heat dissipation airflow can be provided to the corresponding gap, and fixed-point air cooling and heat dissipation of a local area of the air-cooled battery cluster can be achieved, thereby optimizing the air cooling effect and reducing energy consumption.

According to some embodiments of the present invention, it further includes an equipment chamber arranged on one side of the battery rack, and the fan assembly is assembled in the equipment chamber.

According to some embodiments of the utility model, a baffle is provided between the equipment chamber and the battery rack, the baffle is provided with a plurality of first ventilation structures, and the air outlet of the fan assembly is connected to the gap through the first ventilation structure.

According to some embodiments of the present invention, the first ventilation structure is arranged in a one-to-one correspondence with the gap.

According to some embodiments of the present invention, the first ventilation structure is one or more of a ventilation slot and a ventilation hole.

According to some embodiments of the present invention, a plurality of second ventilation structures are provided on a side of the equipment chamber away from the battery rack, and the equipment chamber is connected to the outside through the second ventilation structures.

According to some embodiments of the present invention, the second ventilation structure is arranged in a one-to-one correspondence with the fan assembly.

According to some embodiments of the present invention, the second ventilation structure is one or more of a ventilation slot and a ventilation hole.

According to some embodiments of the present invention, a plurality of side sealing plates are further included, and the side sealing plates are mounted on the outer peripheral side of the battery rack around the air supply or exhaust direction.

According to some embodiments of the present invention, the fan assembly is a cross-flow fan.

In summary, the air-cooled battery cluster provided by the utility model has the following technical effects:

By supplying or exhausting air to the gap through the air outlet of at least one of the fan components, a stable and uniform heat dissipation airflow can be provided to the corresponding gap, and fixed-point air cooling and heat dissipation of a local area of the air-cooled battery cluster can be achieved, thereby optimizing the air cooling effect and reducing energy consumption.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the structure of an air-cooled battery cluster according to an embodiment of the utility model;

FIG2 is a schematic structural diagram of a battery rack according to an embodiment of the present utility model;

FIG. 3 is another schematic diagram of the structure of the air-cooled battery cluster according to an embodiment of the present utility model.

The meanings of the reference numerals are as follows:

1. Battery rack; 11. Work station; 12. Gap; 13. Side sealing plate; 2. Fan assembly; 3. Equipment chamber; 31. Second ventilation structure; 4. Baffle; 41. First ventilation structure.

Detailed ways

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc. indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

Referring to Fig. 1, Fig. 2 and Fig. 3, the utility model discloses an air-cooled battery cluster, which includes a battery rack 1, a gap 12 and a fan assembly 2. In some embodiments, a plurality of workstations 11 are arranged at intervals on the battery rack 1; the gap 12 is arranged between two adjacent workstations 11, or between the workstation 11 and the side wall of the battery rack 1, and at least one air outlet of the fan assembly 2 is arranged opposite to one of the gaps 12, for supplying or exhausting air to the gap 12. Preferably, by supplying or exhausting air to the gap 12 through the air outlet of at least one of the fan assemblies 2, a stable and uniform heat dissipation airflow can be provided to the corresponding gap 12, and fixed-point air cooling and heat dissipation of a local area of the air-cooled battery cluster can be achieved, thereby optimizing the air cooling effect and reducing energy consumption.

Optionally, the gap 12 is a gap between two adjacent workstations 11, or the gap 12 is a gap between the workstation 11 and the side wall of the battery rack 1, and the airflow can flow from one side of the battery rack 1 through the gap 12 to the other side of the battery rack 1. According to the actual size or length of the gap 12, one or more air outlets of the fan assembly 2 can be arranged relative to the gap 12. Optionally, the fan assembly 2 can be arranged along the width direction or length direction of the gap 12, so that when the fan assembly 2 supplies air or exhausts air to the gap 12, a sufficiently large airflow can be formed in the gap 12, so that the gap 12 forms a smooth air duct, fully utilizing the internal structure of the air-cooled battery cluster, without consuming additional components to construct the air duct, saving costs, and realizing effective air cooling and heat dissipation of the battery pack in the workstation 11, and being able to well take away the heat generated by the battery pack.

Optionally, the workstation 11 on the battery rack 1 is used to assemble battery packs. Optionally, the corresponding fan assembly 2 can be started according to factors such as the position of the battery pack actually assembled on the battery rack 1 or the battery pack actually working, so that the fan assembly 2 can perform targeted air cooling and heat dissipation on a local area of the air-cooled battery cluster, thereby reducing unnecessary energy consumption, and can provide a sufficiently large airflow relative to the gap 12 in a specific area and form a smooth air duct to further optimize the air cooling effect.

Referring to FIG. 1, FIG. 2 and FIG. 3, in some embodiments, it further includes an equipment chamber 3 arranged on one side of the battery rack 1, and the fan assembly 2 is assembled in the equipment chamber 3. Optionally, the equipment chamber 3 can be arranged on the rear side of the battery rack 1, and the fan assembly 2 is independently assembled in the equipment chamber 3, so as to facilitate the layout of the fan assembly 2, ensure that the fan assembly 2 can be arranged relative to the gap 12, and facilitate the optimization of the wiring of the cable lines on the fan assembly 2, and do not occupy the space in the battery rack 1, eliminating the influence of air cooling on the layout in the battery rack 1. Optionally, the equipment chamber 3 and the battery rack 1 can be integrally formed, and optionally, the equipment chamber 3 and the battery rack 1 can be connected by welding, bolt connection, snap connection and other connection methods, so that the relative position of the fan assembly 2 assembled in the equipment chamber 3 and the gap 12 is constant, so that the fan assembly 2 can continuously supply or exhaust air to the gap 12 to form a smooth air duct.

Referring to FIG. 2 , in some embodiments, a baffle 4 is provided between the equipment chamber 3 and the battery rack 1, and the baffle 4 is provided with a plurality of first ventilation structures 41, and the air outlet of the fan assembly 2 is connected to the gap 12 through the first ventilation structures 41. Optionally, the first ventilation structure 41 can be any structure that can connect the air outlet of the fan assembly 2 with the gap 12, such as a pipe, a groove or a through hole, so that the gap 12 forms a smooth air duct under the air supply or exhaust action of the fan assembly 2, thereby realizing heat dissipation of the battery pack on the workstation 11.

Referring to FIG. 2 , in some embodiments, the first ventilation structure 41 is arranged in one-to-one correspondence with the gap 12. That is, one fan assembly 2 corresponds to at least one first ventilation structure 41. Preferably, the gap 12, the first ventilation structure 41 and the air outlet of the fan assembly 2 are on the same straight line. Under the air supply or exhaust action of the fan assembly 2, the gap 12, the first ventilation structure 41 and the air outlet of the fan assembly 2 form a straight air duct, so that the airflow can flow in the air duct in an orderly and smooth manner, thereby improving the efficiency of the airflow in taking away the heat generated by the battery pack on the station 11, achieving the purpose of optimizing the airflow organization in the air-cooled battery cluster, thereby enhancing the air-cooling heat dissipation effect.

Referring to FIG. 2 , in some embodiments, the first ventilation structure 41 is one or more of ventilation slots and ventilation holes. That is, one or more of ventilation slots and ventilation holes are provided on the baffle plate 4 to connect the air outlet of the fan assembly 2 with the gap 12, which is more convenient to be arranged on the baffle plate 4 than complex structures such as ventilation ducts, thereby reducing the difficulty of assembly; preferably, the ventilation slots and/or ventilation holes on the baffle plate 4 are arranged opposite to the gap 12, and the air outlet of the fan assembly 2 is arranged opposite to the gap 12, so that under the air supply or exhaust action of the fan assembly 2, the heat dissipation airflow flows in an orderly and smooth manner in the air duct formed by the gap 12, effectively reducing the obstruction of the intermediate structure to the heat dissipation airflow, effectively ensuring the airflow intensity acting on the battery pack on the workstation 11, and ensuring the air cooling and heat dissipation effect of the heat dissipation airflow.

Referring to FIG. 1 and FIG. 3, in some embodiments, a plurality of second ventilation structures 31 are provided on a side of the equipment chamber 3 away from the battery rack 1, and the equipment chamber 3 is connected to the outside through the second ventilation structure 31. Optionally, the second ventilation structure 31 connected to the outside is used to prevent the equipment chamber 3 from generating negative pressure or high pressure during the air supply or air extraction process of the fan assembly 2, thereby affecting the normal air supply or air extraction of the fan assembly 2. Preferably, when the fan assembly 2 supplies air to the gap 12, a heat dissipation airflow enters the fan assembly 2 from the outside through the second ventilation structure 31, and then under the conveying action of the fan assembly 2, passes through the first ventilation structure 41 to the gap 12, and a heat dissipation air duct is formed in the gap 12, which takes away the heat generated by the battery pack and flows out from the side of the battery rack 1 away from the fan assembly 2; when the fan assembly 2 draws air to the gap 12, a heat dissipation airflow flows in from the outside through the side of the battery rack 1 away from the fan assembly 2, and under the suction action of the fan assembly 2, enters the gap 12, and a heat dissipation air duct is formed in the gap 12, which takes away the heat generated by the battery pack, and then passes through the first ventilation structure 41 to the fan assembly 2, and then flows out to the outside from the second ventilation structure 31.

Referring to FIG. 1 and FIG. 3 , in some embodiments, the second ventilation structure 31 is arranged in one-to-one correspondence with the fan assembly 2. That is, one fan assembly 2 corresponds to at least one second ventilation structure 31. Preferably, the gap 12, the first ventilation structure 41 and an air outlet of the fan assembly 2 are on the same straight line, and the second ventilation structure 31 and another air outlet of the fan assembly 2 are on the same straight line. Under the air supply or exhaust action of the fan assembly 2, the gap 12, the first ventilation structure 41 and an air outlet of the fan assembly 2 form a straight air duct, and the second ventilation structure 31 and another air outlet of the fan assembly 2 form another straight air duct, which reduces obstacles in the air duct, improves the smoothness of the heat dissipation airflow, optimizes the airflow organization in the air-cooled battery cluster, and thus enhances the air-cooling heat dissipation effect.

Referring to FIG. 1 and FIG. 3 , in some embodiments, the second ventilation structure 31 is one or more of ventilation slots and ventilation holes. That is, one or more of ventilation slots and ventilation holes are provided on the side of the equipment chamber 3 away from the battery rack 1 to connect the equipment chamber 3 with the outside world, which is more convenient to be provided on the equipment chamber 3 than complex structures such as ventilation ducts, thereby reducing the difficulty of assembly; preferably, the ventilation slots and/or ventilation holes on the equipment chamber 3 are arranged opposite to another air outlet of the fan assembly 2, so that under the air supply or exhaust action of the fan assembly 2, the airflow from the outside can smoothly enter the equipment chamber 3, or the airflow entering the equipment chamber 3 from the gap 12 can smoothly flow out to the outside world, effectively reducing the obstruction of the intermediate structure to the airflow, and effectively ensuring the air supply or exhaust effect of the fan assembly 2.

Referring to FIG. 1 and FIG. 2 , in some embodiments, a plurality of side sealing plates 13 are further included, and the side sealing plates 13 are mounted on the outer peripheral side of the battery rack 1 around the air supply or exhaust direction. Optionally, the upper side, lower side, left side and right side of the battery rack 1 are all equipped with the side sealing plates 13 to encapsulate the upper side, lower side, left side and right side of the battery rack 1, so that the air duct formed by the gap 12 forms a heat dissipation airflow from the front side of the battery rack 1 to the rear side, or from the rear side of the battery rack 1 to the front side under the air supply or exhaust action of the fan assembly 2, preventing the external airflow from affecting the heat dissipation airflow in the air duct formed by the gap 12, reducing the probability of airflow turbulence, and optimizing the airflow organization in the air-cooled battery cluster, so that the airflow organization in the air duct formed by the gap 12 is more stable, and the battery pack on the workstation 11 can be effectively cooled and dissipated.

In some embodiments, the fan assembly 2 is a cross-flow fan. Optionally, the cross-flow fan is arranged in the equipment chamber 3, and each of the gaps 12 corresponds to at least one cross-flow fan, so that the gap 12 forms a sufficiently large heat dissipation airflow under the air supply or exhaust action of the cross-flow fan, so as to achieve effective air cooling and heat dissipation of the battery pack in the station 11, and can well take away the heat generated by the battery pack. Optionally, the overall structure of the cross-flow fan is relatively simple, with relatively few components, and maintenance is more convenient and quick. Optionally, the fan impeller and transmission of the cross-flow fan are installed on the same axis, so that the transmission is more efficient and energy is effectively saved. In addition, the cross-flow fan adopts a direct drive mode, and does not require a transmission belt or belt for transmission, so that the structure of the whole machine is more compact, the overall volume is smaller, and the weight is lighter. At the same time, the ventilation and air exchange effect of the cross-flow fan is good, and the operating noise will be smaller than that of other existing fans. It can effectively reduce noise pollution when used in noise-sensitive occasions.

Referring to Figures 1, 2 and 3, in some embodiments, a plurality of workstations 11 for assembling battery packs are arranged at intervals on the battery rack 1, the equipment chamber 3 is arranged on the rear side of the battery rack 1, and the equipment chamber 3 is equipped with a plurality of fan assemblies 2 for supplying or exhausting air to the gaps 12 between the workstations 11 or the gaps 12 between the workstations 11 and the side walls of the battery rack 1. Optionally, the fan assembly 2 is a cross-flow fan. Optionally, one or more air outlets of the fan assembly 2 can be arranged relative to the gap 12 according to the actual size or length of the gap 12. Optionally, a fan assembly 2 is arranged between the equipment chamber 3 and the battery rack 1. The baffle 4 is provided with the first ventilation structure 41 which is arranged in a one-to-one correspondence with the gap 12. Optionally, the first ventilation structure 41 is one or more of a ventilation slot and a ventilation hole. Optionally, the side of the equipment chamber 3 away from the battery rack 1 is provided with a plurality of second ventilation structures 31 for communicating with the outside world. Optionally, the second ventilation structure 31 is arranged in a one-to-one correspondence with the fan assembly 2. Optionally, the second ventilation structure 31 is one or more of a ventilation slot and a ventilation hole. Preferably, the gap 12, the first ventilation structure 41 and an air outlet of the fan assembly 2 are in the same straight line, and the second ventilation structure 31 and Another air outlet of the fan assembly 2 is on the same straight line. Under the air supply or exhaust action of the fan assembly 2, the gap 12, the first ventilation structure 41 and one air outlet of the fan assembly 2 form a straight air duct, and the second ventilation structure 31 and another air outlet of the fan assembly 2 form another straight air duct, which reduces obstacles in the air duct, improves the smoothness of the heat dissipation airflow, and optimizes the purpose of airflow organization in the air-cooled battery cluster, thereby enhancing the air-cooling heat dissipation effect. The upper side, lower side, left side and right side of the battery rack 1 are all equipped with the side sealing plate 13 to encapsulate the upper side, lower side, left side and right side of the battery rack 1 to prevent external airflow from affecting the gap 12. The heat dissipation airflow in the air duct formed is affected, the probability of airflow turbulence is reduced, and the airflow organization in the air-cooled battery cluster is optimized, so that the heat dissipation airflow in the air duct formed by the gap 12 can cool the battery pack on the workstation 11; further, the corresponding fan assembly 2 can be started according to factors such as the position of the battery pack actually assembled on the battery rack 1 or the battery pack actually working, so that the fan assembly 2 can perform targeted air cooling and heat dissipation on a local area of the air-cooled battery cluster, reduce unnecessary energy consumption, and provide a stable and uniform heat dissipation airflow to the gap 12 located in a specific area, forming a smooth air duct, and further optimizing the air cooling effect.

The technical means disclosed in the solution of the utility model are not limited to the technical means disclosed in the above-mentioned implementation mode, but also include technical solutions composed of any combination of the above technical features. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model, and these improvements and modifications are also regarded as the protection scope of the utility model.

Claims (10)

1. An air-cooled battery cluster, comprising: A battery rack (1), wherein a plurality of workstations (11) are arranged at intervals on the battery rack (1); a gap (12), wherein the gap (12) is arranged between two adjacent workstations (11), or between the workstation (11) and a side wall of the battery rack (1); A fan assembly (2), wherein at least one air outlet of the fan assembly (2) is arranged opposite to one of the gaps (12) and is used to supply or extract air to the gap (12). 2. The air-cooled battery cluster according to claim 1, characterized in that it also includes an equipment chamber (3) arranged on one side of the battery rack (1), and the fan assembly (2) is assembled in the equipment chamber (3). 3. The air-cooled battery cluster according to claim 2 is characterized in that: a baffle (4) is arranged between the equipment chamber (3) and the battery rack (1), the baffle (4) is provided with a plurality of first ventilation structures (41), and the air outlet of the fan assembly (2) is connected to the gap (12) through the first ventilation structure (41). 4. The air-cooled battery cluster according to claim 3, characterized in that the first ventilation structure (41) and the gap (12) are arranged in a one-to-one correspondence. 5. The air-cooled battery cluster according to claim 3 or 4, characterized in that the first ventilation structure (41) is one or more of a ventilation slot and a ventilation hole. 6. The air-cooled battery cluster according to claim 2 is characterized in that: a plurality of second ventilation structures (31) are arranged on a side of the equipment chamber (3) away from the battery rack (1), and the equipment chamber (3) is connected to the outside through the second ventilation structure (31). 7. The air-cooled battery cluster according to claim 6, characterized in that the second ventilation structure (31) and the fan assembly (2) are arranged in a one-to-one correspondence. 8. The air-cooled battery cluster according to claim 6 or 7, characterized in that the second ventilation structure (31) is one or more of ventilation slots and ventilation holes. 9. The air-cooled battery cluster according to claim 1, characterized in that it also includes a plurality of side sealing plates (13), wherein the side sealing plates (13) are mounted on the outer peripheral side of the battery rack (1) around the air supply or exhaust direction. 10. The air-cooled battery cluster according to claim 1, characterized in that the fan assembly (2) is a cross-flow fan.