CN220021415U - Energy storage power supply - Google Patents

Abstract

The utility model discloses an energy storage power supply. The energy storage power supply comprises a box body, a battery module and an inverter. The box body comprises a first side plate and a second side plate which are opposite. The first side plate and the second side plate are both metal side plates. The box body is internally provided with an accommodating space. The battery module is arranged in the accommodating space and is positioned between the first side plate and the second side plate. The inverter is arranged in the accommodating space and is positioned between the first side plate and the second side plate. The inverter is electrically connected with the battery module. Among the above-mentioned energy storage power supply, relative first curb plate and second curb plate are the metal curb plate, and the heat of energy storage power supply during operation can be given off by the metal curb plate physics, need not radiator fan, but reduce cost and promotion energy density of energy storage power supply.

Description

Energy storage power supply

Technical Field

The utility model relates to the technical field of energy storage, in particular to an energy storage power supply.

Background

At present, the energy storage power supply can be used for supplying power to electric equipment, and the portable energy storage power supply can be conveniently moved, for example, when camping outdoors, the energy storage power supply can be brought outdoors, and power is supplied to the electric equipment such as lighting appliances, cooking appliances and the like outdoors. When the energy storage power supply works, the temperature can rise. In the related art, a cooling fan is often built in the energy storage power supply, however, on one hand, the cooling fan increases the cost of the energy storage power supply, and on the other hand, the cooling fan occupies the internal space of the energy storage power supply, and reduces the energy density of the energy storage power supply.

Disclosure of Invention

The embodiment of the utility model provides an energy storage power supply to solve at least one technical problem.

The energy storage power supply provided by the embodiment of the utility model comprises:

the box body comprises a first side plate and a second side plate which are opposite, wherein the first side plate and the second side plate are both metal side plates, and an accommodating space is formed in the box body;

the battery module is arranged in the accommodating space and positioned between the first side plate and the second side plate;

the inverter is arranged in the accommodating space and is positioned between the first side plate and the second side plate, and the inverter is electrically connected with the battery module.

Among the above-mentioned energy storage power supply, relative first curb plate and second curb plate are the metal curb plate, and the heat of energy storage power supply during operation can be given off by the metal curb plate physics, need not radiator fan, but reduce cost and promotion energy density of energy storage power supply.

In some embodiments, the first side plate and the second side plate are side plates with the largest area of the box. Therefore, the two side plates with the largest area are utilized for physical heat dissipation, the heat exchange area is larger, and the heat dissipation efficiency is improved.

In some embodiments, the energy storage power supply includes a heat conductive member connecting the battery module and the first side plate, and connecting the battery module and the second side plate; and/or

The heat conducting piece is connected with the inverter and the first side plate and is connected with the inverter and the second side plate. Thus, the heat dissipation efficiency can be improved by increasing the heat conductivity.

In certain embodiments, the first side panel and the second side panel are closed side panels. Therefore, the protection level of the energy storage power supply can be improved.

In some embodiments, the box includes a bottom plate, the bottom plate is connected to the bottom end of the first side plate and the bottom end of the second side plate, and the bottom plate is provided with a heat dissipation hole, and the heat dissipation hole is communicated with the accommodating space. Thus, the heat dissipation efficiency can be further improved.

In some embodiments, the bottom plate is provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are arranged in an array. In this way, the area of air flow can be increased.

In some embodiments, the base plate is provided with a support pad. In this way, the flow of air can be accelerated.

In certain embodiments, the surface of the first side plate and/or the second side plate is formed with a convex-concave structure. In this way, the heat dissipation area can be increased.

In some embodiments, the relief structure comprises a plurality of grooves disposed in parallel and extending in a height direction of the stored energy power source. Thus, heat dissipation efficiency can be improved.

In some embodiments, the stored energy power source includes a handle that connects the first side plate and the second side plate. In this way, the energy storage power supply is convenient to move.

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 foregoing and/or additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of an energy storage power supply according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional view of an energy storage power supply according to an embodiment of the present utility model;

fig. 3 to 4 are schematic structural diagrams of an energy storage power supply according to an embodiment of the present utility model.

Description of main reference numerals:

the energy storage power supply comprises the following components of an energy storage power supply 100, a box body 10, a first side plate 11, a convex-concave structure 111, a groove 1111, a second side plate 12, an accommodating space 13, a bottom plate 14, a radiating hole 141, a supporting pad 142, a battery module 20, a handle 30, an accommodating groove 31, a control panel 40 and an inverter 50.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and are not to be construed as limiting the present utility model.

The following disclosure provides many different embodiments, or examples, for implementing different features of the utility model. In order to simplify the present disclosure, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Furthermore, the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and which do not themselves indicate the relationship between the various embodiments and/or arrangements discussed. In addition, the present utility model provides examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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 embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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 utility model, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as, for example, fixedly coupled, detachably coupled, or integrally coupled, unless otherwise specifically indicated and defined. Either mechanically or electrically. 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 can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1 and 2, an energy storage power supply 100 according to an embodiment of the utility model includes a case 10, a battery module 20, and an inverter 50. The case 10 includes opposing first and second side plates 11, 12. The first side plate 11 and the second side plate 12 are both metal side plates. The housing 10 is provided with a housing space 13. The battery module 20 is disposed in the receiving space 13 between the first side plate 11 and the second side plate 12. The inverter 50 is disposed in the accommodation space 13 and between the first side plate 11 and the second side plate 12. The inverter 50 is electrically connected to the battery module 20.

In the above energy storage power supply 100, the first side plate 11 and the second side plate 12 are both metal side plates, and the heat generated during the operation of the energy storage power supply 100 can be physically dissipated by the metal side plates, so that a cooling fan is not required, and the cost can be reduced and the energy density of the energy storage power supply 100 can be improved.

In one embodiment, the energy storage power source 100 has an approximately rectangular parallelepiped shape as a whole, the first side plate 11 is disposed on the front side of the energy storage power source 100, and the second side plate 12 is disposed on the rear side of the energy storage power source 100. The first side plate 11 and the second side plate 12 directly contact the outside air. The first side plate 11, the second side plate 12 and the side plates in other directions are combined to form the box body 10 and are enclosed to form the accommodating space 13. The accommodating space 13 accommodates a battery module 20 and an inverter 50, and the battery module 20 is used for supplying energy to other electric equipment or connecting with other charging equipment for charging. The inverter 50 is electrically connected to the battery module 20 and the electric device, and is configured to convert the dc power output by the battery module 20 into ac power receivable by the electric device. The electric equipment can be a fan, a flashlight, an electromagnetic oven, a mobile phone or a notebook computer and other household appliances. The battery module 20 may be a lithium iron phosphate battery or a ternary lithium battery. During the charge or discharge of the battery module 20, heat generated by the thermal effect of the current causes the temperatures of the battery module 20 and the inverter 50 to rise. Under the condition that heat generated by the battery module 20 and the inverter 50 cannot be effectively dissipated, the inverter 50 can be burnt out, and the battery module 20 exceeds the heat-resistant temperature of the battery module to cause thermal runaway of the battery cells, so that fire is caused, and potential safety hazards are caused. Of course, the energy storage power supply 100 may detect the temperatures of the battery module 20 and the inverter 50, and reduce the output power when the temperature of the battery module 20 or the inverter 50 is too high, thereby suppressing the temperature rise of the battery module 20 and the inverter 50 by reducing the generation of heat. But will thereby reduce the output of the stored energy power supply 100, affecting its normal use.

Therefore, by arranging the first side plate 11 and the second side plate 12, heat generated by the battery module 20 and the inverter 50 can be conducted to the box 10, and the heat can be emitted to the outside air through the box 10, so that the temperature rise of the battery module 20 and the inverter 50 can be effectively controlled, and the normal use of the energy storage power supply 100 is ensured. Meanwhile, the battery module 20 and the inverter 50 are cooled through heat conduction of the enclosure structure, and an additional cooling fan is not required to be arranged, so that the number of structural members is reduced, the product structure and the assembly procedure are optimized, the volume energy density and the quality energy density of the product are improved, and the cost is reduced and the portable solar energy power generation system is convenient to carry. The first side plate 11 and the second side plate 12 may be made of a metal material such as copper, aluminum (aluminum-containing alloy), or stainless steel.

In another embodiment, the first side plate 11 or the second side plate 12 may be kept at a small interval from the battery module 20 and the inverter 50 to facilitate installation, and may also be attached to the battery module 20 and the inverter 50 to improve heat transfer efficiency.

Referring to fig. 1, in some embodiments, the first side plate 11 and the second side plate 12 are the side plates with the largest area of the case 10.

Therefore, the two side plates with the largest area are utilized for physical heat dissipation, the heat exchange area is larger, and the heat dissipation efficiency is improved.

Specifically, referring to fig. 1, in one embodiment, the energy storage power source 100 may have an approximately rectangular parallelepiped shape, and the areas of the front and rear sides of each side of the energy storage power source 100 are the largest. The front side may be the first side plate 11 and the rear side may be the second side plate 12, so that the first side and the second side plate 12 may have the largest heat dissipation area. In this way, the contact areas of the first and second side plates 11 and 12 with the battery module 20 and the inverter 50 can be increased, and the contact areas of the first and second side plates 11 and 12 with the outside air can be increased, thereby improving the heat dissipation efficiency of the energy storage power supply 100. In another embodiment, the energy storage power source 100 may also have other polyhedral shapes, and the first side plate 11 and the second side plate 12 may be two sides of the largest area of the energy storage power source 100, and of course, the energy storage power source 100 may also include at least two first side plates 11 and/or second side plates 12, so as to improve the heat dissipation efficiency by increasing the heat dissipation area.

In certain embodiments, the stored energy power source 100 further comprises a thermally conductive member. The heat conductive member connects the battery module 20 and the first side plate 11, and connects the battery module 20 and the second side plate 12. And/or the heat conductive member connects the inverter 50 and the first side plate 11, and connects the inverter 50 and the second side plate 12.

Thus, the heat dissipation efficiency can be improved by increasing the heat conductivity.

Specifically, in one embodiment, the battery module 20 and the inverter 50 are disposed adjacent to each other in the up-down direction, so that the battery module 20 and the inverter 50 can be attached to the first side plate 11 and the second side plate 12 to improve heat dissipation efficiency. However, it is difficult to avoid a gap between the battery module 20 and the inverter 50 and the first and second side plates 11 and 12, and static air contained in the gap may reduce heat transfer efficiency. Therefore, the gap can be filled by providing the heat conductive member between the battery module 20 and the first and second side plates 11 and 12 to improve the heat conduction efficiency. It is understood that providing a heat conductive member between the inverter 50 and the first and second side plates 11 and 12 may also fill the gap to improve the heat conduction efficiency. The heat conductive member may be a silicon gel, which may be directly coated on the heat exchanging surfaces of the battery module 20 and the inverter 50. According to different requirements of the energy storage power supply 100, the heat conducting member may be disposed on one of the battery module 20 and the inverter 50, or may be disposed on both the battery module 20 and the inverter 50 to improve heat dissipation efficiency. In another embodiment, there is a certain interval between the battery module 20 and the first and second side plates 11 and 12. The heat conductive member may include a metal heat conductive plate and occupy the interval between the battery module 20 and the first and second side plates 11 and 12 through the metal heat conductive plate to improve the heat transfer efficiency between the battery module 20 and the first and second side plates 11 and 12. Of course, a silicone gel may be coated between the metal heat conductive plate and the battery module 20 or the first side plate 11 or the second side plate 12 to further improve the heat dissipation efficiency of the energy storage power source 100. Likewise, a metal heat-conducting plate may be disposed between the inverter 50 and the first and second side plates 11 and 12 to improve heat dissipation efficiency of the energy storage power source 100.

Referring to fig. 1, in some embodiments, the first side plate 11 and the second side plate 12 are closed side plates.

In this way, the protection level of the energy storage power supply 100 can be improved.

Specifically, referring to fig. 1, in one embodiment, during long distance transportation or daily carrying of the energy storage power supply 100, the energy storage power supply 100 is difficult to avoid being disturbed by the surrounding environment, such as being subjected to shock, impact or soaking. The stored energy power supply 100 may also be subject to intrusion of dust or foreign matter when used outdoors. Therefore, the first side plate 11 and the second side plate 12 can be set as closed side plates, so as to improve the structural strength and the protection level of the energy storage power supply 100, and ensure the normal operation of the energy storage power supply 100 in a severe environment. The closed type first side plate 11 and the second side plate 12 may exchange heat with the external air through the plate body to secure the heat dissipation effect on the battery module 20 and the inverter 50. The first side plate 11 and the second side plate 12 can be integrally formed with other side plates, and an assembly position is reserved at the bottom of the energy storage power supply 100, so that the protection level is further improved under the condition that the assembly of the energy storage power supply 100 is not affected. Of course, the closed first side panel 11 and the second side panel 12 may also include mounting holes for fixation.

Referring to fig. 2, in some embodiments, the case 10 includes a floor 14. The bottom plate 14 connects the bottom end of the first side plate 11 and the bottom end of the second side plate 12. The bottom plate 14 is provided with heat radiation holes 141. The heat radiation hole 141 communicates with the accommodation space 13.

Thus, the heat dissipation efficiency can be further improved.

Specifically, referring to fig. 2, in one embodiment, the battery module 20 and the inverter 50 are disposed vertically adjacent to each other, and the battery module 20 is located below the inverter 50, and the first side plate 11 and the second side plate 12 are disposed on two sides of the battery module 20, so that other sides of the battery module 20 can exchange heat with air in the accommodating space 13, thereby increasing the temperature of the air in the accommodating space 13. By providing the plurality of heat dissipation holes 141 on the bottom plate 14 of the case 10, the air with higher temperature in the accommodating space 13 is facilitated to flow out from the heat dissipation holes 141, and the air with lower temperature in the external environment is facilitated to flow in, so that the heat dissipation efficiency of the battery module 20 can be improved. The heat dissipation holes 141 may be circular or polygonal, or may be a combination of basic patterns. The bottom plate 14 may be made of a metal material such as copper, aluminum (aluminum-containing alloy), or stainless steel. It is understood that the battery module 20 may also be disposed above the inverter 50, thereby improving the heat dissipation efficiency of the inverter 50 using the heat dissipation holes 141. In addition, in the case where the battery module 20 and the inverter 50 are disposed adjacently in the left-right direction of the energy storage power supply 100, the heat radiation efficiency of the inverter 50 and the battery module 20 can be simultaneously improved by the heat radiation holes 141

Referring to fig. 2, in some embodiments, the bottom plate 14 is provided with a plurality of heat dissipation holes 141. The plurality of heat dissipation holes 141 are arranged in an array.

In this way, the area of air flow can be increased.

Specifically, referring to fig. 2, in one embodiment, a plurality of heat dissipation holes 141 may be formed in a portion of the bottom plate 14, the plurality of heat dissipation holes 141 may be uniformly formed on a projection surface of the battery module 20 and the inverter 50 to the bottom plate 14, and the plurality of heat dissipation holes 141 may be formed at two ends of the bottom plate 14 in regions, wherein one region mainly supplies hot air to flow out, and the other region mainly supplies cold air to flow in, so as to improve heat dissipation efficiency. The plurality of heat dissipation holes 141 may be arranged in a rectangular array in a dot shape or in a linear array in a strip shape.

Referring to fig. 2, in some embodiments, a support pad 142 is provided on the base plate 14.

In this way, the flow of air can be accelerated.

Specifically, referring to fig. 2, in one embodiment, when the energy storage power supply 100 is placed on the ground for use, the ground may block the heat dissipation holes 141 on the bottom plate 14 to some extent, thereby preventing the exchange of cold and hot air from the heat dissipation holes 141. Therefore, by providing the support pad 142, the distance between the heat radiating holes 141 and the ground can be increased, thereby dividing a passage through which air flows between the bottom plate 14 and the ground. The energy storage power source 100 can discharge the hot air in the accommodating space 13 through the passage, and can suck the cold air from the external environment through the passage.

Referring to fig. 3 and 4, in some embodiments, the surface of the first side plate 11 and/or the second side plate 12 is formed with a convex-concave structure 111.

In this way, the heat dissipation area can be increased.

Specifically, referring to fig. 3 and 4, in one embodiment, the outer surfaces of the first and second side plates 11 and 12 may be provided with a convex-concave structure 111 to increase the contact area of the first and second side plates 11 and 12 with the outside air. In another embodiment, the inner surfaces of the first and second side plates 11 and 12 may be provided with the convex-concave structure 111, thereby increasing the contact area of the first and second side plates 11 and 12 with the receiving space 13. In still another embodiment, the inner and outer surfaces of the first and second side plates 11 and 12 may be simultaneously formed with the convex-concave structure 111. In addition, the convex-concave structure 111 may be provided at a portion of the first side plate 11 and the second side plate 12, or may be provided at a position corresponding to the battery module 20 and the inverter 50. Of course, the convex-concave structure 111 may be provided on one of the first side plate 11 and the second side plate 12. By providing the convex-concave structure 111, the heat exchanging surface area of the first side plate 11 and the second side plate 12 can be increased, thereby improving heat dissipation efficiency. In some embodiments, the convex-concave structure 111 may be a plurality of protruding or recessed dots, and the shape of the dots may be polygonal, elliptical or star-shaped, which is not limited herein, and may protrude or recess from the surfaces of the first side plate 11 and the second side plate 12. In another embodiment, the convex-concave structure 111 may be a ring structure having a wavy shape or a spiral shape.

Referring to fig. 4, in some embodiments, the male and female structures 111 include a plurality of grooves 1111. The plurality of grooves 1111 are disposed in parallel and extend in the height direction of the stored energy power source 100.

Thus, heat dissipation efficiency can be improved.

Specifically, referring to fig. 4, in one embodiment, the outer surfaces of the first side plate 11 and the second side plate 12 are formed with a convex-concave structure 111, and the convex-concave structure 111 may include grooves 1111 along the height direction of the energy storage power source 100, and the plurality of grooves 1111 may be arranged in parallel along the left-right direction of the energy storage power source 100. In another embodiment, at least part of the first side plate 11 and the second side plate 12 have a wave-shaped cross section so that the grooves 1111 may be formed at the inner and outer surfaces at the same time. The groove 1111 extends along the height direction of the energy storage power supply 100, and may form a heat dissipation channel to improve heat dissipation efficiency, and an opening may be provided at an end of the groove 1111, so that hot air in the accommodating space 13 may flow out from the opening, and heat dissipation efficiency may be improved.

In fig. 4, the height direction of the energy storage power source 100 may be an up-down direction.

Referring to fig. 3 and 4, in some embodiments, stored energy power source 100 includes handle 30. The handle 30 connects the first side plate 11 and the second side plate 12.

In this way, the stored energy power supply 100 is facilitated to be moved.

In particular, referring to fig. 3 and 4, in one embodiment, stored energy power source 100 may be moved by handle 30 to facilitate moving stored energy power source 100 to a suitable powered position under different use scenarios. The first side plate 11 and the second side plate 12 are main structural components of the energy storage power supply 100, and the handle 30 is connected to the first side plate 11 and the second side plate 12, so that the first side plate 11 and the second side plate 12 can be effectively prevented from being stripped in the process of moving the energy storage power supply 100. In some embodiments, the first side plate 11 and the second side plate 12 may have receiving grooves 31 formed thereon to receive the handles 30, thereby preventing the protruding handles 30 from colliding with other moving objects. The handle 30 may be fixed or movable to facilitate gripping. Friction rings may also be provided on the handle 30 to prevent the handle 30 from slipping during gripping.

In addition, in some embodiments, the energy storage power source 100 may further include a control panel 40, and the control panel 40 may display the current power of the energy storage power source 100, the output voltage, and the operating temperature of the battery module 20. In addition, control panel 40 may also include a receptacle 41 for connecting to powered devices. The battery module 20 is connected to the electric device through the socket 41 to supply power to the electric device. The electric equipment can be a fan, a flashlight, an electromagnetic oven, a mobile phone or a notebook computer and other household appliances. The user may also control the switching of the energy output of the stored energy power source 100 through the control panel 40.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many variations, combinations, modifications, substitutions and alterations of these embodiments may be made without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. An energy storage power supply, comprising:

the box body comprises a first side plate and a second side plate which are opposite, wherein the first side plate and the second side plate are both metal side plates, and an accommodating space is formed in the box body;

the battery module is arranged in the accommodating space and positioned between the first side plate and the second side plate;

the inverter is arranged in the accommodating space and is positioned between the first side plate and the second side plate, and the inverter is electrically connected with the battery module.

2. The energy storage power supply of claim 1, wherein the first side plate and the second side plate are side plates with the largest box area.

3. The energy storage power supply according to claim 1, wherein the energy storage power supply includes a heat conductive member connecting the battery module and the first side plate, and connecting the battery module and the second side plate; and/or

The heat conducting piece is connected with the inverter and the first side plate and is connected with the inverter and the second side plate.

4. The energy storage power supply of claim 1, wherein the first side plate and the second side plate are closed side plates.

5. The energy storage power supply according to claim 1, wherein the box body comprises a bottom plate, the bottom plate is connected with the bottom end of the first side plate and the bottom end of the second side plate, the bottom plate is provided with a heat dissipation hole, and the heat dissipation hole is communicated with the accommodating space.

6. The energy storage power supply of claim 5, wherein the bottom plate is provided with a plurality of heat dissipation holes, and the plurality of heat dissipation holes are arranged in an array.

7. The energy storage power supply of claim 5, wherein the base plate is provided with a support pad.

8. The energy storage power supply according to claim 1, wherein the surface of the first side plate and/or the second side plate is formed with a convex-concave structure.

9. The energy storage power supply of claim 8, wherein the convex-concave structure comprises a plurality of grooves arranged in parallel and extending in a height direction of the energy storage power supply.

10. The stored energy power supply of claim 1, comprising a handle connecting the first side plate and the second side plate.