ENERGY STORAGE CABINET AND ENERGY STORAGE DEVICE

Disclosed in the present application are energy storage cabinet (100) and energy storage device. The energy storage cabinet (100) includes: a plurality of columns (1), the plurality of columns (1) being arranged at intervals; a plurality of beams (2), each of the beams (2) being connected between two adjacent columns (1), the plurality of columns (1) and the plurality of beams (2) jointly enclose to form an accommodating space (10); and a plurality of lifting assemblies (3), the plurality of lifting assemblies (3) being connected to the plurality of columns (1) respectively, the lifting assembly (3) includes a lifting plate (31), the lifting plate (31) is provided with a lifting hole (311), the lifting hole (311) is used to be hooked by a hook of a lifting machine to lift the energy storage cabinet (100).

TECHNICAL FIELD

The disclosure relates to the field of new energy technology, and in particular to an energy storage cabinet and an energy storage device.

BACKGROUND

The energy storage cabinet is a cabinet used to store battery module. The energy storage cabinet usually includes columns and beams. The columns and beams enclose to form an accommodating chamber for storing battery module.

After storing battery module in the accommodating chamber of the energy storage cabinet, the weight is relatively heavy. In order to facilitate the handling of the energy storage cabinet with battery module, a lifting assembly for the lifting machine is usually set on the beam to facilitate the lifting assembly to be hooked by a hook of a lifting machine to lift the energy storage cabinet.

SUMMARY

According to a first aspect of the disclosure, an energy storage cabinet is provided, including: a plurality of columns arranged at intervals; a plurality of beams, each connected between two adjacent columns, wherein the plurality of columns and the plurality of beams jointly enclose to form an accommodating space; and a plurality of lifting assemblies connected to the plurality of columns respectively, wherein the lifting assembly includes a lifting plate, the lifting plate is provided with a lifting hole, and the lifting hole is used to be hooked by a hook of a lifting machine to lift the energy storage cabinet.

According to a second aspect of the present disclosure, an energy storage device is provided, including the energy storage cabinet according to the first aspect.

MAIN REFERENCE SIGNS

DETAILED DESCRIPTION

The technical solution in the embodiments of the present disclosure will be clearly and completely described below in combination with the drawings in the embodiments of the present disclosure. Obviously, the described embodiments are only a part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present disclosure.

Furthermore, in addition to indicating azimuth or positional relationship, some of the above terms may also be used for other meaning. For example, in some cases, the term “above” may be used to indicate a dependency or connection relationship. For those skilled in the art, the specific meaning of these terms in the present disclosure can be understood according to the specific circumstances.

In addition, the terms “first”, “second”, etc. are primarily used to distinguish between different devices, elements, or components, of the same or different kind and construction, and are not used to indicate or imply the relative importance and quantity of the device, element, or component. Unless otherwise stated, “a plurality of” means two or more.

Hereinafter, the technical solution of the present disclosure will be further explained in combination with the embodiments and the drawings.

FIG.1is a structural schematic diagram of an energy storage cabinet provided by the embodiment of the present disclosure, andFIG.2is a partial enlarged view of the energy storage cabinet inFIG.1at position A.

With reference toFIGS.1and2, the energy storage cabinet100includes: a plurality of columns1, a plurality of beams2, and a plurality of lifting assemblies3. The plurality of columns1are arranged at intervals, each beam2is connected between two adjacent columns1, and the plurality of columns1and the plurality of beams2jointly enclose to form an accommodating space10for storing battery module. The plurality of lifting assemblies3are connected to the plurality of columns1respectively. The lifting assembly3includes a lifting plate31. A lifting hole311is provided on the lifting plate31, and the lifting hole311is used to be hooked by a hook of a lifting machine to lift the energy storage cabinet100.

In the embodiment of the present disclosure, since the plurality of columns1and the plurality of beams2can jointly enclose to form the accommodating space10, a battery module can be stored in the accommodating space10. After the battery module is stored in the accommodating space10, the energy storage cabinet100will be heavy.

Considering that the energy storage cabinet100is not easy to handle when it is heavy, a lifting assembly3can be connected to each column1. Specifically, the lifting assembly3may include a lifting plate31, and a lifting hole311is provided on the lifting plate31. In this manner, the lifting hole311may be hooked by a hook of a lifting machine to lift the energy storage cabinet100, thereby facilitating the handling of the energy storage cabinet100.

However, since the energy storage cabinet100is heavy, when the energy storage cabinet100is lifted by hooking the lifting hole311through the hook of the lifting machine, the pulling force of the lifting machine will be large, which in turn will cause the force transmitted to the column1through the lifting assembly3to be large.

The inventor found that when each lifting assembly3is connected to the corresponding column1, so that the pull force of the lifting machine is transmitted to the column1through the lifting assembly3, the column1is subjected to a larger force, while the connection between the column1and the beam2is subjected to a smaller force. In general, the column1will bear a larger force, while the connection between the column1and the beam2will bear a smaller force. In this way, when the hook of the lifting machine hooks the lifting hole311to lift the energy storage cabinet100, the connection between the column and the beam will not break.

In the related art, the lifting assembly3is disposed on the beam2, so that the pull force of the lifting machine is transmitted to the beam2through the lifting assembly3, and then to the column1through the beam2, so that the connection between the beam2and the column1is subjected to a larger force. Therefore, it is easy for the connection between the column and the beam to break.

In the embodiment of the present disclosure, a plurality of lifting assemblies3are connected to a plurality of columns1respectively, so that when the hook of the lifting machine hooks the lifting hole311to lift the energy storage cabinet100, the column1will bear a larger force and the connection between the column1and the beam2will bear a smaller force. Therefore, the connection between the column and the beam will not break.

It should be noted that, in some embodiments, referring toFIG.1, the number of the above-mentioned columns1may be four, and the four columns1may jointly enclose to form a rectangular structure, so that the shape of the energy storage cabinet100may be relatively regular and convenient for processing.

Of course, the number of columns1may be other numbers, such as 5 or 6, which is not limited in the embodiment of the present disclosure.

The lifting assembly3can be connected to any position of the column1, as long as the lifting assembly3is connected to the column1, which is not limited in the embodiment of the present disclosure.

In some exemplary embodiments, referring toFIG.1, the lifting assembly3may be connected to the top end of the column1. When the lifting assembly3is connected to the top end of the column1, when the hook of the lifting machine hooks the lifting hole311to lift the energy storage cabinet100, the possibility of tilting and toppling over of the energy storage cabinet100may be reduced.

It should be noted that the column1may be a steel pipe or a profile pipe, etc. When the column1is a steel pipe or a profile pipe, due to the mature processing technology and the low cost of the steel pipe and the profile pipe, the processing difficulty and cost of the column1can be reduced to a certain extent.

Specifically, when the column1is a steel pipe or a profile pipe, the column1can be understood as a hollow tubular structure with a rectangular cross-section. When the column1is a hollow tubular structure, the entire column1may be relatively light, and the weight of the entire energy storage cabinet100may be reduced.

When the column1is a hollow tubular structure with a rectangular cross-section, the structure of the column1has many possibilities. In the first possible structure, all four surfaces of the column1are closed. In the second possible structure, referring toFIG.1, one of the four surfaces of the column1may also be provided with an opening15, thereby forming the column1with the opening15.

When the column1is the above-mentioned column1with the opening15, on the one hand, the weight of the column1can be further reduced. On the other hand, various mechanical structures can be conveniently accommodated in the inner cavity of the column1through the opening15, so that the appearance of the column1is neat.

The structure of the beam2may be the same as or similar to the structure of the column1. For details, refer to the description of the column1above. The beam2will not be described in the embodiment of the present disclosure.

It should be noted that, the lifting assembly3includes a lifting plate31. The lifting plate31is provided with a lifting hole311hooked by a hook of a lifting machine to lift the energy storage cabinet100. That is to say, the lifting hole311is provided on the lifting plate31. Compared to the method of forming the lifting hole311by bending steel bar, providing the lifting hole311on the lifting plate31can make the lifting hole311have a stronger ability to withstand force, making it less likely for the lifting hole311to deform when the hook of the lifting machine hooks the lifting hole311to lift the energy storage cabinet100.

The shape of the lifting hole311may be circular or square, etc., which is not limited in the embodiment of the present disclosure. When the shape of the lifting hole311is circular, compared to the rectangular lifting hole311, the lifting hole311has no sharp edges and corners, so that the hole wall of the lifting hole311is relatively smooth. Therefore, the hook of the lifting machine can be inserted into the lifting hole311more easily.

Of course, the lifting hole311may be of other possible shapes, which is not limited in the embodiment of the present disclosure.

It is to be noted that, the column1is subjected to a larger pull force and the beam2is subjected to a smaller pull force. Therefore, in some embodiments, the cross sectional area of the beam2can be made smaller than the cross sectional area of the column1, so that the cross sectional area of the beam2can be reduced as much as possible while ensuring that the energy storage cabinet100will not deform, thereby reducing the material cost of the beam2, and thus achieving the goal of reducing the manufacturing cost of the energy storage cabinet100.

In some embodiments, referring toFIGS.2and4, the lifting plate31includes a first plate part312and a second plate part313which are connected substantially vertically to each other. The lifting hole311is provided on the first plate part312, and the second plate part313is connected to the top end of the column1.

By making the lifting plate31include the first plate part312and the second plate part313which are connected substantially vertically to each other, the first plate part312and the second plate part313can jointly form an L-shaped structure. Since the L-shaped structure is more stable, the lifting plate31can be made less prone to deformation and more stable.

The lifting hole311is arranged on the first plate part312, and the second plate part313is connected to the top end of the column1, so that the lifting hole311and the second plate part313can be respectively located on different surfaces. In this way, mutual interference between the lifting hole311and the second plate part313can be avoided or reduced.

Further, in some embodiments, referring toFIGS.1and2, the first plate part312is located on the side of the second plate part313which is closer to the accommodating space10. By locating the first plate part312on the side of the second plate part313which is closer to the accommodating space10, the lifting hole311can be located on the side of the second plate part313which is closer to the accommodating space10. In this way, the lifting hole311can be located closer to the center of gravity of the entire energy storage cabinet100, and the force applied to the lifting hole311can be reduced, thereby avoiding deformation of the lifting hole311.

In some embodiments, referring toFIG.3, a thickened plate3121is provided on the first plate part312, and a lifting hole311also penetrates through the thickened plate3121. By providing a thickened plate3121on the first plate part312and allowing the lifting hole311to penetrate through the thickened plate3121, the position of the lifting hole311can be made more robust, thereby avoiding deformation or damage of the lifting hole311.

In order to strengthen the connection between the first plate part312and the second plate part313, in some embodiments, referring toFIG.3, the lifting plate31further includes a reinforcing plate part314which is connected to the first plate part312and the second plate part313, respectively. By connecting the reinforcing plate part314to the first plate part312and the second plate part313respectively, the connection between the first plate part312and the second plate part313can be strengthened, thereby preventing the connection between the first plate part312and the second plate part313from breaking.

Further, in some embodiments, the reinforcing plate part314is substantially a right-angled triangle, with the first right-angled side of the reinforcing plate part314connected to the first plate part312, and the second right-angled side of the reinforcing plate part314connected to the second plate part313. Due to the structural stability of the right-angled triangle, the connection between the first plate part312and the second plate part313can be made more secure by connecting the first right-angled side of the reinforcing plate part314to the first plate part312and connecting the second right-angled side of the reinforcing plate part314to the second plate part313.

The number of the reinforcing plates314may be two and arranged oppositely. Of course, the number of the reinforcing plates314may also be other numbers, which is not limited in the embodiment of the present disclosure.

In some embodiments, referring toFIGS.2and4, the lifting assembly3further includes: a clamping plate32, and the column1is provided with a clamping part11matching the clamping plate32. The clamping plate32is clamped in the clamping part11, and the lifting plate31is connected to the clamping plate32.

By providing the clamping part11matching the clamping plate32on the column1, and allowing the clamping plate32to be clamped in the clamping part11, it becomes very convenient to connect the clamping plate32to the column1.

The above-mentioned lifting plate31and clamping plate32may be connected in various ways. In one possible embodiment, referring toFIG.4, the lifting plate31is connected to the clamping plate32by bolts33. When the lifting plate31is connected to the clamping plate32by the bolts33, on the one hand, it becomes very convenient to connect the lifting plate31and the clamping plate32, and on the other hand, it also facilitates the removal between the lifting plate31and the clamping plate32.

The number of bolts33may be 2, 3 or 4, and the number of bolts33is not limited in the embodiment of the present disclosure.

In some embodiments, referring toFIG.4, the clamping plate32includes a third plate part321, a fourth plate part322, and a fifth plate part323which are sequentially connected to each other. The third plate part321, the fourth plate part322, and the fifth plate part323jointly form a U-shaped structure, and the lifting plate31is connected to the third plate part321.

When the third plate part321, the fourth plate part322and the fifth plate part323jointly form a U-shaped structure, and the lifting plate31is connected to the third plate part321, although the third plate part321is directly subjected to the force from the lifting plate31, the fourth plate part322and the fifth plate part323can jointly improve the strength of the third plate part321, so that the strength of the entire clamping plate32is higher, thereby making the entire clamping plate32less likely to deform.

In some embodiments, referring toFIGS.1and2, the opening of the U-shaped structure faces the accommodating space10. By making the opening of the U-shaped structure face the accommodating space10, on the one hand, the surface of the clamping plate32facing outside can be made relatively smooth, making it less likely to scratch the user. On the other hand, the third plate part321, the fourth plate part322, the fifth plate part323, and the column1can jointly enclose to form a closed cavity, making it difficult to hide dirt and dust. On the other hand, it has been found by the inventor that the clamping plate32can be made stronger and less prone to deformation.

Of course, in other embodiments, the opening of the U-shaped structure may also face the side away from the accommodating space10, which is not limited by the embodiment of the present disclosure.

In some embodiments, with reference toFIG.2, the clamping part11is a rectangular hole including a first hole wall111and a second hole wall112arranged oppositely along an extension direction (Z-axis direction inFIG.2) of the column1. The third plate part321abuts the first hole wall111, and the first hole wall111is located on the side of the second hole wall112closer to the lifting assembly3along an extension direction of the column1.

Since the third plate part321is connected to the lifting plate31, the third plate part321will be subjected to an upward pull force from the lifting plate31. Therefore, by making the third plate part321abut against the first hole wall111, the first hole wall111can provide a downward blocking force to the third plate part321along the extension direction of the column1, so that the third plate part321can be connected to the first hole wall111very stably, thereby preventing the clamping plate32from sliding out of the clamping part11.

In order to enable the clamping plate32to be more stably clamped in the clamping part11, in some embodiments, referring toFIGS.4and5, the column1is provided with a first insertion hole13corresponding to the third plate part321and a second insertion hole14corresponding to the fifth plate part323. The third plate part321is inserted into the first insertion hole13and the fifth plate part323is inserted into the second insertion hole14. By inserting the third plate part321into the first insertion hole13, and inserting the fifth plate part323into the second insertion hole14, the first insertion hole13and the second insertion hole14can limit the movement of the third plate part321and the fifth plate part323, respectively. In this way, the clamping plate32can be more stably clamped in the clamping part11.

Further, in order to enable the clamping plate32to be more stably clamped in the clamping part11, in some embodiments, the third plate part321is welded to the first hole wall111, and the fifth plate part323is welded to the second hole wall112. In this way, the clamping plate32can be more stably clamped into the clamping part11.

In order to avoid fracture at the connection between the column1and the beam2, in some embodiments, referring toFIG.6, an insertion hole12is provided on the column1, and the beam2is inserted into the insertion hole12and welded to the column1. By inserting the beam2into the insertion hole12on the column1and by welding to the column1, the connection between the column1and the beam2is made more secure by welding, in addition to the fixing of the connection between the column1and the beam2by the insertion hole12. That is, the connection between the column1and the beam2is doubling fixed by means of the insertion hole12and the welding, so that the fracture at the connection between the column1and the beam2can be avoided.

In conclusion, in the embodiment of the present disclosure, a plurality of lifting assemblies3and a plurality of columns1are arranged in one-to-one correspondence. Each lifting assembly3is connected to a corresponding column1, so that when the hook of the lifting machine hooks the lifting hole311to lift the energy storage cabinet100, the column1will bear a larger force while the connection between the column1and the beam2will bear a smaller force. Therefore, the connection between the column and the beam will not break.

In addition, by making the cross sectional area of the beam2smaller than the cross sectional area of the column1, the cross sectional area of the beam2can be reduced as much as possible while ensuring that the energy storage cabinet100does not deform, thereby reducing the material cost of the beam2, and thus achieving the goal of reducing the manufacturing cost of the energy storage cabinet100.

The embodiment of the present application provides an energy storage device, including energy storage cabinet100.

The energy storage cabinet100may have the same structure as any energy storage cabinet100in the above Embodiment 1, and may have the same or similar beneficial effects. For details, refer to the description of the energy storage cabinet in the above Embodiment 1, and the embodiment of the present application will not be repeated here.

In the embodiment of the present application, since the energy storage cabinet can avoid the fracture of the connection between the column and the beam, when the energy storage cabinet100is applied to the energy storage device, the energy storage device can be made stronger.

In some embodiments, the energy storage device further includes a battery module arranged in an accommodating space10of the energy storage cabinet100. By providing the battery module in the accommodating space10of the energy storage cabinet100, the energy storage cabinet100can protect the battery module from being affected by the external environment.

According to a first aspect of the disclosure, an energy storage cabinet is provided, including: a plurality of columns arranged at intervals; a plurality of beams, each connected between two adjacent columns, wherein the plurality of columns and the plurality of beams jointly enclose to form an accommodating space; and a plurality of lifting assemblies connected to the plurality of columns respectively, wherein the lifting assembly includes a lifting plate, the lifting plate is provided with a lifting hole, and the lifting hole is used to be hooked by a hook of a lifting machine to lift the energy storage cabinet.

Since the plurality of columns and the plurality of beams can jointly enclose to form the accommodating space, a battery module can be stored in the accommodating space. After the battery module is stored in the accommodating space, the energy storage cabinet will be heavy.

Considering that the energy storage cabinet is not easy to handle when it is heavy, a lifting assembly can be connected to each column. Specifically, the lifting assembly may include a lifting plate, and a lifting hole is provided on the lifting plate. In this manner, the lifting hole may be hooked by a hook of a lifting machine to lift the energy storage cabinet, thereby facilitating the handling of the energy storage cabinet.

However, since the energy storage cabinet is heavy, when the energy storage cabinet is lifted by hooking the lifting hole through the hook of the lifting machine, the pulling force of the lifting machine will be large, which in turn will cause the force transmitted to the column through the lifting assembly to be large.

The inventor found that when each lifting assembly is connected to the corresponding column, so that the pull force of the lifting machine is transmitted to the column through the lifting assembly, the column is subjected to a larger force, while the connection between the column and the beam is subjected to a smaller force. In general, the column will bear a larger force, while the connection between the column and the beam will bear a smaller force. In this way, when the hook of the lifting machine hooks the lifting hole to lift the energy storage cabinet, the connection between the column and the beam will not break.

In some embodiments, the plurality of lifting assemblies are respectively connected to top ends of the plurality of columns.

In the case that the lifting assembly is connected to the top end of the column, when the hook of the lifting machine hooks the lifting hole to lift the energy storage cabinet, the possibility of tilting and toppling over of the energy storage cabinet may be reduced.

In some embodiments, the lifting plate includes a first plate part and a second plate part connected vertically to each other, the lifting hole is arranged on the first plate part, and the second plate part is connected to the top end of the column.

By making the lifting plate include the first plate part and the second plate part which are connected substantially vertically to each other, the first plate part and the second plate part can jointly form an L-shaped structure. Since the L-shaped structure is more stable, the lifting plate can be made less prone to deformation and more stable.

The lifting hole is arranged on the first plate part, and the second plate part is connected to the top end of the column, so that the lifting hole and the second plate part can be respectively located on different surfaces. In this way, mutual interference between the lifting hole and the second plate part can be avoided or reduced.

In some embodiments, the first plate part is located on a side of the second plate part close to the accommodating space.

By locating the first plate part on the side of the second plate part close to the accommodating space, the lifting hole can be located on the side of the second plate part close to the accommodating space. In this way, the lifting hole can be located closer to the center of gravity of the entire energy storage cabinet, and the force applied to the lifting hole can be reduced, thereby avoiding deformation of the lifting hole.

In some embodiments, the first plate is provided with a thickened plate and the lifting hole penetrates through the thickened plate.

By providing a thickened plate on the first plate part and allowing the lifting hole to penetrate through the thickened plate, the position of the lifting hole can be made more robust, thereby avoiding deformation or damage of the lifting hole.

In some embodiments, the lifting plate further includes a reinforcing plate part, and the reinforcing plate part is connected to the first plate part and the second plate part, respectively.

By connecting the reinforcing plate part to the first plate part and the second plate part respectively, the connection between the first plate part and the second plate part can be strengthened, thereby preventing the connection between the first plate part and the second plate part from breaking.

In some embodiment, the reinforcing plate part is in a right-angled triangle, a first right-angled side of the reinforcing plate part is connected to the first plate part, and a second right-angled side of the reinforcing plate part is connected to the second plate part.

Due to the structural stability of the right-angled triangle, the connection between the first plate part and the second plate part can be made more secure by connecting the first right-angled side of the reinforcing plate part to the first plate part and connecting the second right-angled side of the reinforcing plate part to the second plate part.

In some embodiments, the lifting assembly further includes: a clamping plate, wherein the column is provided with a clamping part matching the clamping plate, the clamping plate is clamped in the clamping part, and the lifting plate is connected to the clamping plate.

By providing the column with the clamping part matching the clamping plate and allowing the clamping plate to be clamped in the clamping part, it becomes very convenient to connect the clamping plate to the column.

In some embodiments, the clamping plate includes a third plate part, a fourth plate part and a fifth plate part which are sequentially connected with each other, and the third plate part, the fourth plate part and the fifth plate part jointly form a U-shaped structure, and the lifting plate is connected to the third plate part.

When the third plate part, the fourth plate part and the fifth plate part jointly form a U-shaped structure, and the lifting plate is connected to the third plate part, although the third plate part is directly subjected to the force from the lifting plate, the fourth plate part and the fifth plate part can jointly improve the strength of the third plate part, so that the strength of the entire clamping plate is higher, thereby making the entire clamping plate less likely to deform.

In some embodiments, an opening of the U-shaped structure faces the accommodating space.

By making the opening of the U-shaped structure face the accommodating space, on the one hand, the surface of the clamping plate facing outside can be made relatively smooth, making it less likely to scratch the user. On the other hand, the third plate part, the fourth plate part, the fifth plate part, and the column can jointly enclose to form a closed cavity, making it difficult to hide dirt and dust. On the other hand, it has been found by the inventor that the clamping plate can be made stronger and less prone to deformation.

In some embodiments, the clamping part is a rectangular hole, the rectangular hole includes a first hole wall and a second hole wall arranged oppositely along an extension direction of the column, the third plate part abuts against the first hole wall, and the first hole wall is located on a side of the second hole wall close to the lifting assembly along the extension direction of the column.

Since the third plate part is connected to the lifting plate, the third plate part will be subjected to an upward pull force from the lifting plate. Therefore, by making the third plate part abut against the first hole wall, the first hole wall can provide a downward blocking force to the third plate part along the extension direction of the column, so that the third plate part can be connected to the first hole wall very stably, thereby preventing the clamping plate from sliding out of the clamping part.

In some embodiments, the column is provided with a first insertion hole corresponding to the third plate part and a second insertion hole corresponding to the fifth plate part, the third plate part is inserted into the first insertion hole and the fifth plate part is inserted into the second insertion hole.

By inserting the third plate part into the first insertion hole, and inserting the fifth plate part into the second insertion hole, the first insertion hole and the second insertion hole can limit the movement of the third plate part and the fifth plate part, respectively. In this way, the clamping plate can be more stably clamped in the clamping part.

In some embodiments, the third plate part is welded to the first hole wall and the fifth plate part is welded to the second hole wall.

In this way, the clamping plate can be more stably clamped into the clamping part.

In some embodiments, the lifting plate is connected to the clamping plate by bolts.

When the lifting plate is connected to the clamping plate by the bolts, on the one hand, it becomes very convenient to connect the lifting plate and the clamping plate; and on the other hand, it also facilitates the removal between the lifting plate and the clamping plate.

In some embodiments, the column is provided with an inserting hole, and the beam is inserted into the insertion hole and welded to the column.

By inserting the beam into the insertion hole on the column and by welding to the column, the connection between the column and the beam is made more secure by welding, in addition to the fixing of the connection between the column and the beam by the insertion hole. That is, the connection between the column and the beam is doubling fixed by means of the insertion hole and the welding, so that the fracture at the connection between the column and the beam can be avoided.

In some embodiments, a cross sectional area of the beam is less than a cross sectional area of the column.

The column is subjected to a larger pull force and the beam is subjected to a smaller pull force. Therefore, in some embodiments, the cross sectional area of the beam can be made smaller than the cross sectional area of the column, so that the cross sectional area of the beam can be reduced as much as possible while ensuring that the energy storage cabinet will not deform, thereby reducing the material cost of the beam, and thus achieving the goal of reducing the manufacturing cost of the energy storage cabinet.

In some embodiments, the column is a steel pipe or a profile pipe.

When the column is a steel pipe or a profile pipe, due to the mature processing technology and the low cost of the steel pipe and the profile pipe, the processing difficulty and cost of the column can be reduced to a certain extent.

According to a second aspect of the present disclosure, an energy storage device is provided, including the energy storage cabinet according to the first aspect.

Since the energy storage cabinet can avoid the fracture of the connection between the column and the beam, when the energy storage cabinet is applied to the energy storage device, the energy storage device can be made stronger.

Since the plurality of columns and the plurality of beams can jointly enclose to form the accommodating space, a battery module can be stored in the accommodating space. After the battery module is stored in the accommodating space, the energy storage cabinet will be heavy.

Considering that the energy storage cabinet is not easy to handle when it is heavy, a lifting assembly can be connected to each column. Specifically, the lifting assembly may include a lifting plate, and a lifting hole is provided on the lifting plate. In this manner, the lifting hole may be hooked by a hook of a lifting machine to lift the energy storage cabinet, thereby facilitating the handling of the energy storage cabinet.

However, since the energy storage cabinet is heavy, when the energy storage cabinet is lifted by hooking the lifting hole through the hook of the lifting machine, the pulling force of the lifting machine will be large, which in turn will cause the force transmitted to the column through the lifting assembly to be large.

The inventor found that when each lifting assembly is connected to the corresponding column, so that the pull force of the lifting machine is transmitted to the column through the lifting assembly, the column is subjected to a larger force, while the connection between the column and the beam is subjected to a smaller force. In general, the column will bear a larger force, while the connection between the column and the beam will bear a smaller force. In this way, when the hook of the lifting machine hooks the lifting hole to lift the energy storage cabinet, the connection between the column and the beam will not break.

The energy storage cabinet and energy storage device disclosed in the embodiments of the present disclosure are described in detail. The principle and embodiments of the present disclosure are explained by applying specific examples. The description of the above embodiments is only used to help understand the energy storage cabinet and energy storage device of the present disclosure and the core idea thereof. Meanwhile, for those skilled in the art, according to the idea of the present disclosure, there may be changes in the specific embodiments and the application scope. In conclusion, the contents of the description shall not be construed as restrictions on the present disclosure.