Integrated box of all-vanadium redox flow battery energy storage device and all-vanadium redox flow battery energy storage device

Abstract

The utility model provides an all-vanadium redox flow battery energy storage device integration box and all-vanadium redox flow battery energy storage device, all-vanadium redox flow battery energy storage device comprises an energy storage assembly and a heat dissipation assembly, the energy storage assembly comprises two liquid storage tanks, the energy storage assembly is arranged in the integration box, and the integration box comprises a bottom frame assembly and a top frame assembly. The bottom frame assembly comprises a bottom cross beam used for being connected with and bearing the energy storage assembly. The top frame assembly is provided with two heat dissipation openings, the two heat dissipation openings are aligned with the two liquid storage tanks in the length direction of the integration box and used for conducting heat dissipation on the liquid storage tanks in the integration box, and the top frame assembly is further provided with an equipment supporting base used for installing a heat dissipation assembly. The integrated box of the all-vanadium redox flow battery energy storage device disclosed by the utility model has good heat dissipation performance.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of energy storage container more particularly to a kind of integrated box of all-vanadium redox battery energy storage device and all-vanadium redox battery energy storage device. BACKGROUND

[0002] All-vanadium redox flow energy storage system is a kind of energy storage device with all-vanadium redox battery as main body, mainly stores two filling liquid storage tanks and one or more battery packs inside, two liquid storage tanks are respectively as positive and negative, and battery pack is as generator.

[0003] If all-vanadium redox battery energy storage system in prior art is integrated in a container, the heat dissipation of all-vanadium redox battery energy storage system is limited, resulting in poor heat dissipation performance of all-vanadium redox battery energy storage system. UTILITY MODEL CONTENT

[0004] A series of simplified concepts are introduced in the utility model content part, which will be further described in detail in the specific embodiment part. The utility model content part of the utility model does not mean to try to limit the key features and necessary technical features of the claimed technical solution, and does not mean to try to determine the protection scope of the claimed technical solution.

[0005] To at least partially solve the above problems, the utility model provides a kind of integrated box of all-vanadium redox battery energy storage device in the first aspect of the utility model, and all-vanadium redox battery energy storage device includes energy storage component and heat dissipation component, the energy storage component includes two liquid storage tanks, the energy storage component is arranged in the integrated box, and the integrated box includes:

[0006] Chassis assembly, the chassis assembly includes bottom cross beam, and the bottom cross beam is used to connect and carry the energy storage component;

[0007] Top frame assembly, the top frame assembly is provided with two heat dissipation ports, two the heat dissipation ports are aligned with two the liquid storage tanks along the length direction of the integrated box, for the heat dissipation of the liquid storage tank in the integrated box, and the top frame assembly is also provided with equipment support seat, and the equipment support seat is used to install the heat dissipation component.

[0008] According to the integrated box of all-vanadium redox battery energy storage device of the first aspect of the utility model, the two heat dissipation ports can be used to dissipate heat for the two liquid storage tanks of all-vanadium redox battery energy storage device, and the equipment support seat can install the heat dissipation component, so as to dissipate heat for energy storage component, so that the integrated box of all-vanadium redox battery energy storage device can have good heat dissipation performance.

[0009] Optionally, the top frame assembly further comprises a top longitudinal beam and a top plate, and the heat dissipation opening is arranged on the top plate; the equipment support base comprises a support plate, a fixing block and an elastic element, the fixing block is arranged on the top longitudinal beam, the support plate extends along the width direction of the integrated box and is spaced apart from the top plate along the height direction of the integrated box, and the elastic element is arranged between the fixing block and the support plate, and the support plate is used for connecting the heat dissipation assembly.

[0010] Optionally, the integrated box further comprises a top corner piece, and the top frame assembly further comprises a flange, the flange is used for communicating the energy storage assembly, and a projection of the flange along the height direction of the integrated box is within a range surrounded by a projection of the top corner piece along the height direction.

[0011] Optionally, the integrated box further comprises a front frame assembly, the front frame assembly is provided with a first heat dissipation fan, the first heat dissipation fan is used for leading out heat in the integrated box; the integrated box further comprises a first rainproof cover, the first rainproof cover is arranged on the outer side of the front frame assembly and is arranged correspondingly with the first heat dissipation fan along the height direction of the integrated box and the width direction of the integrated box.

[0012] Optionally, the integrated box further comprises a side frame assembly, and the side frame assembly comprises a louver.

[0013] Optionally, the side frame assembly further comprises at least two of a single door, a double door, a folding door and a maintenance door.

[0014] Optionally, the side frame assembly is provided with a second heat dissipation fan, the second heat dissipation fan is used for leading out heat in the integrated box; the integrated box further comprises a second rainproof cover, the second rainproof cover is arranged on the outer side of the side frame assembly and is arranged correspondingly with the second heat dissipation fan along the height direction of the integrated box and the length direction of the integrated box.

[0015] Optionally, the bottom frame assembly further comprises a mounting nut for mounting the energy storage assembly, the mounting nut is arranged in the bottom cross beam and connected to the inner top surface of the bottom cross beam, and the top surface of the bottom cross beam is provided with a mounting hole aligned with the mounting nut.

[0016] Optionally, the bottom frame assembly further comprises a bottom longitudinal beam, a reinforcing plate and a lifting shaft, the bottom longitudinal beam is connected with the bottom cross beam, the reinforcing plate is connected to the bottom cross beam and arranged between the bottom cross beams along the length direction of the integrated box, and the first end of the lifting shaft is arranged in the bottom longitudinal beam, and the second end of the lifting shaft is arranged in the reinforcing plate.

[0017] The utility model discloses a second aspect provides a kind of all-vanadium redox flow battery energy storage device, comprising:

[0018] According to the integrated box of the all-vanadium redox flow battery energy storage device, the integrated box comprises a top frame assembly and a bottom frame assembly, the bottom frame assembly comprises a bottom cross beam, and the top frame assembly is provided with a device support seat;

[0019] An energy storage assembly is arranged in the integrated box and connected to the bottom cross beam;

[0020] A heat dissipation assembly is arranged in and connected to the device support seat.

[0021] According to the all-vanadium redox flow battery energy storage device of the second aspect of the present application, the energy storage assembly and the heat dissipation assembly can be integrated, and the heat dissipation performance is good. BRIEF DESCRIPTION OF DRAWINGS

[0022] The following drawings of the present application are used herein as a part of the present application for understanding the present application. The drawings show the embodiments of the present application and the description thereof, and are used to explain the principles of the present application. In the drawings,

[0023] Figure 1 FIG. 1 is a front view of an integrated box of an all-vanadium redox flow battery energy storage device according to a preferred embodiment of the present application;

[0024] Figure 2 FIG. 2 is a perspective view of a top frame assembly in FIG. 1; Figure 1

[0025] Figure 3 FIG. 4 is an enlarged view of part A in FIG. 1; Figure 2

[0026] Figure 4 FIG. 6 is an assembly view of a bottom frame assembly and an energy storage assembly;

[0027] Figure 5 FIG. 7 is a bottom view of the bottom frame assembly;

[0028] Figure 6 FIG. 8 is a sectional view along the middle line B-B in FIG. 1; Figure 5

[0029] Figure 7 FIG. 11 is a front view of a front frame assembly, in which a first rainproof cover is hidden for clearly showing a first heat dissipation fan;

[0030] Figure 8 FIG. 12 is a side view of the front frame assembly;

[0031] Figure 9 FIG. 13 is a front view of a rear frame assembly;

[0032] Figure 10 FIG. 14 is a front view of a first side frame assembly; and

[0033] ​​​Figure 11 is a front view of the second side frame assembly.

[0034] Reference sign explanation

[0035] 100: energy storage assembly 101: liquid storage tank

[0036] 102: battery pack 103: circulating pump

[0037] 104: control device 105: heat dissipation assembly

[0038] 110: integrated box 120: bottom frame assembly

[0039] 121: bottom longitudinal beam 122: bottom transverse beam

[0040] 123: floor 124: mounting nut

[0041] 125: reinforcing plate 126: hoisting shaft

[0042] 130: top frame assembly 131: top longitudinal beam

[0043] 132: top transverse beam 133: top plate

[0044] 134: flange 135: equipment support seat

[0045] 136: support plate 137: fixing block

[0046] 138: elastic element 139: thermal insulation layer

[0047] 140: front frame assembly 141: corner column

[0048] 142: top corner piece 143: bottom corner piece

[0049] 144: front wall plate 145: maintenance door

[0050] 146: first heat dissipation fan 147: first rain cover

[0051] 150: rear frame assembly 151: ladder

[0052] 152: handrail 160: side frame assembly

[0053] 161: first side frame assembly 162: second side frame assembly

[0054] 163: double-leaf door 164: maintenance door

[0055] 165: first louver 166: second rain cover

[0056] 167: second shutter 170: heat dissipation port

[0057] D1: height direction D2: length direction

[0058] D3: width direction DETAILED DESCRIPTION

[0059] In the following description, numerous specific details are set forth to provide a more thorough understanding of the present application. However, it will be apparent to one of skill in the art that the present application can be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present application.

[0060] In this document, the ordinal numbers such as "first" and "second" cited in the present application are merely identifiers but do not have any other meaning, for example, specific order, etc. Moreover, for example, the term "first component" itself does not imply the existence of the "second component", and the term "second component" itself does not imply the existence of the "first component".

[0061] In this document, "upper", "lower", "front", "back", "left", "right", etc. are merely used to indicate relative positional relationship between relevant parts, but do not limit the absolute position of the relevant parts.

[0062] In this document, "equal", "same", etc. are not strictly limited in the mathematical and / or geometric sense, but also include the error allowed by the person skilled in the art in manufacturing or use, etc.

[0063] Unless otherwise specified, the numerical range in this document not only includes the entire range between the two endpoints, but also includes several sub-ranges contained therein.

[0064] Figures 1 to 11 An integrated box 110 of a full vanadium flow battery energy storage device according to the present application is shown, the full vanadium flow battery energy storage device comprising an energy storage assembly 100 and a heat dissipation assembly 105, the energy storage assembly 100 comprising two liquid storage tanks 101, the energy storage assembly 100 being arranged in the integrated box 110, the integrated box 110 comprising a bottom frame assembly 120 and a top frame assembly 130. The bottom frame assembly 120 comprises a bottom cross beam 122, which is used to connect and carry the energy storage assembly 100. The top frame assembly 130 is provided with two heat dissipation ports 170, the two heat dissipation ports 170 being aligned with the two liquid storage tanks 101 along the length direction D2 of the integrated box 110, and being used to dissipate heat for the liquid storage tanks 101 in the integrated box 110, the top frame assembly 130 being further provided with a device support seat 135, which is used to install the heat dissipation assembly 105.

[0065] The two heat dissipation openings 170 can dissipate heat for the two liquid storage tanks 101 of the all-vanadium redox flow battery energy storage device, and the equipment support seat 135 can be provided with the heat dissipation assembly 105, so that the energy storage assembly 100 can be dissipated, and therefore the integrated box 110 of the all-vanadium redox flow battery energy storage device has good heat dissipation performance.

[0066] Optionally, referring to Figure 2 , the roof frame assembly 130 further comprises roof longitudinal beams 131 and a roof plate 133, the roof longitudinal beams 131 extend along the length direction D2 of the integrated box 110, and the roof plate 133 is arranged between the roof longitudinal beams 131 and connected to the roof longitudinal beams 131, and the heat dissipation opening 170 is arranged on the roof plate 133, so that the liquid storage tank 101 in the integrated box 110 can be dissipated. Figure 3 As shown in Figure 3 , the equipment support seat 135 comprises a support plate 136, a fixed block 137 and an elastic element 138, the fixed block 137 is arranged above the roof longitudinal beam 131 and fixed to the roof longitudinal beam 131, the support plate 136 extends along the width direction D3 of the integrated box 110 and is spaced apart from the roof plate 133 along the height direction D1 of the integrated box 110, and the elastic element 138 is arranged between the fixed block 137 and the support plate 136, and the support plate 136 is used for connecting the heat dissipation assembly 105. The arrangement of the equipment support seat 135 makes the load of the heat dissipation assembly 105 transmitted to the integrated box 110 through the roof longitudinal beam 131, so that the load bearing performance is good, and the arrangement of the elastic element 138 can slow down the vibration of the heat dissipation assembly 105 transmitted to the integrated box 110.

[0067] Optionally, the elastic element 138 can be a rubber block or a rubber gasket or the like buffering component.

[0068] Optionally, the roof frame assembly 130 further comprises a thermal insulation layer 139, the thermal insulation layer 139 can be made of rock wool or polyurethane or the like thermal insulation material, and the thermal insulation layer 139 is arranged between the roof cross beams 132 and used for thermal insulation of the integrated box 110.

[0069] Referring to Figure 1 and Figure 4 , the utility model also provides a kind of all-vanadium redox flow battery energy storage device, comprising the integrated box 110 of the all-vanadium redox flow battery energy storage device according to above, energy storage assembly 100 and heat dissipation assembly 105. Integrated box 110 includes roof frame assembly 130 and bottom frame assembly 120, and bottom frame assembly 120 includes bottom cross beam 122, and roof frame assembly 130 is provided with equipment support seat 135. Energy storage assembly 100 is arranged in integrated box 110 and is connected to bottom cross beam 122. Heat dissipation assembly 105 is arranged in equipment support seat 135 and is connected with equipment support seat 135.

[0070] The all-vanadium redox flow battery energy storage device can integrate the energy storage assembly 100 and the heat dissipation assembly 105, and has good heat dissipation performance.

[0071] Optionally, the energy storage assembly 100 further comprises a battery pack 102, a circulating pump 103 and a control device 104, along the length direction D2 of the integrated box 110, the battery pack 102 and the circulating pump 103 are arranged between the two storage tanks, and the control device 104 is arranged at the front end (i.e. Figure 1 the left end of the integrated box 110) of the integrated box 110.

[0072] As shown in Figure 5 and Figure 6 , the chassis assembly 120 further comprises a bottom longitudinal beam 121 and a floor 123, the bottom longitudinal beam 121 extends along the length direction D2, the bottom cross beam 122 is arranged between the bottom longitudinal beams 121, and the bottom cross beam 122 is connected to the bottom longitudinal beams 121. The floor 123 is arranged above the bottom cross beam 122 and connected to the bottom cross beam 122, for carrying at least part of the components of the energy storage assembly 100.

[0073] Optionally, the chassis assembly 120 further comprises a reinforcing plate 125 and a lifting shaft 126, the reinforcing plate 125 is connected to the bottom cross beam 122 and arranged between the bottom cross beams 122 along the length direction D2 of the integrated box 110. The first end of the lifting shaft 126 is arranged through the bottom longitudinal beam 121, and the second end of the lifting shaft 126 is arranged through the reinforcing plate 125, so as to facilitate lifting of the integrated box 110. As shown in Figure 5 , according to the position of the center of gravity of the integrated box 110 integrated with the all-vanadium redox flow battery energy storage device, the lifting shaft 126 can be reasonably arranged to make the integrated box 110 stable during lifting.

[0074] Referring to Figure 6 , the cross section of the bottom cross beam 122 perpendicular to the width direction D3 is C-shaped, and the chassis assembly 120 further comprises a mounting nut 124 for mounting the energy storage assembly 100, the mounting nut 124 is arranged in the bottom cross beam 122 and connected to the inner top surface of the bottom cross beam 122, and the top surface of the bottom cross beam 122 is provided with a mounting hole aligned with the mounting nut 124, so as to facilitate mounting of the energy storage device (such as the storage tank, the battery pack 102, the circulating pump 103 and the control device 104) on the bottom cross beam 122 by fasteners, which is stable in structure and convenient to install.

[0075] Optionally, referring to Figure 7 and Figure 9 , the front frame assembly 140 and the rear frame assembly 150 each comprise a top corner piece 142 and a bottom corner piece 143, the top corner piece 142 is arranged at the four corners of the integrated box 110 and connected to the end of the top longitudinal beam 131, and the bottom corner piece 143 is arranged at the four corners of the integrated box 110 and connected to the end of the bottom longitudinal beam 121.

[0076] Optionally, the top frame assembly 130 further comprises a flange 134, the flange 134 is arranged on the top plate 133 and is used to communicate the energy storage assembly 100, for example, when the heat dissipation assembly 105 is a water cooling machine, the cooling water pipe of the heat dissipation assembly 105 is communicated to the integrated box 110 through the flange 134 and is connected with the circulating pump 103 and the storage tank and the like. The full vanadium flow battery energy storage device adopts a segmented pipeline and a mounting mode of the flange 134, which is convenient for installation.

[0077] Further, the projection of the flange 134 along the height direction D1 of the integrated box 110 is within the range surrounded by the projection of the top corner piece 142 along the height direction D1, which meets the transportation requirements of the integrated box 110 and prevents damage during transportation.

[0078] Referring to Figure 7 and Figure 8 , the front frame assembly 140 comprises a corner column 141, a front wall plate 144 and a maintenance door 145. The corner column 141 extends along the height direction D1, the upper end of the corner column 141 is connected to the top corner piece 142, and the lower end of the corner column 141 is connected to the bottom corner piece 143. The front wall plate 144 is arranged between the corner columns 141, and the front wall plate 144 is connected to the corner columns 141, the top cross beam 132 and the bottom cross beam 122, so as to close the integrated box 110 at the front end of the integrated box 110. The maintenance door 145 is arranged on the front wall plate 144, so as to facilitate maintenance and repair of the control device 104 from the front end assembly.

[0079] Optionally, referring to Figure 7 , the front frame assembly 140 is provided with a first heat dissipation fan 146, the first heat dissipation fan 146 is arranged on the top of the front wall plate 144, and the first heat dissipation fan 146 is used to lead out the heat in the integrated box 110, especially the heat generated by the control device 104. Referring to Figure 8 , the integrated box 110 further comprises a first rain cover 147, the first rain cover 147 is arranged on the outer side of the front frame assembly 140 and is arranged corresponding to the first heat dissipation fan 146 along the height direction D1 of the integrated box 110 and the width direction D3 of the integrated box 110, so as to prevent external rainwater from entering the integrated box 110 through the first heat dissipation fan 146 and damaging the control device 104.

[0080] Referring to Figure 9 , the rear end assembly further comprises a corner column 141, a rear wall plate, a climbing ladder 151 and a handrail 152. The rear wall plate is arranged between the corner columns 141, and the rear wall plate is connected to the corner columns 141, the top cross beam 132 and the bottom cross beam 122, so as to close the integrated box 110 at the rear end of the integrated box 110. The climbing ladder 151 is arranged on the rear wall plate, so as to facilitate maintenance personnel to climb the top frame assembly 130. The handrail 152 is arranged on the top cross beam 132, so as to further facilitate the maintenance personnel to climb the top frame assembly 130.

[0081] Optionally, referring toFigure 1 The integrated box 110 further comprises a side frame assembly 160, which comprises a first side frame assembly 161 (as shown in Figure 10 ) and a second side frame assembly 162 (as shown in Figure 11 ).

[0082] As shown in Figure 10 , the first side frame assembly 161 is provided with a second cooling fan (not shown in the figure) for leading out the heat in the integrated box 110. The integrated box 110 further comprises a second rain cover 166, which is arranged outside the side frame assembly 160 and is provided correspondingly to the second cooling fan along the height direction D1 of the integrated box 110 and the length direction D2 of the integrated box 110, so as to prevent the external rainwater from entering the integrated box 110 through the second cooling fan and damaging the energy storage assembly 100.

[0083] Optionally, referring to Figure 10 , the first side frame assembly 161 comprises a double-door 163 and a maintenance door 164, so as to facilitate the installation and maintenance of the energy storage assembly 100.

[0084] Optionally, according to the actual project requirements, the first side frame assembly 161 can also comprise a single-door.

[0085] Optionally, the first side frame assembly 161 further comprises a first louver 165, which can be arranged on the double-door 163 and the maintenance door 164, for cooling the energy storage assembly 100 in the integrated box 110.

[0086] Optionally, referring to Figure 11 , the second side frame assembly 162 also comprises a double-door 163, so as to facilitate the installation and maintenance of the energy storage assembly 100.

[0087] Optionally, the second side frame assembly 162 can also comprise a single-door, according to the actual project requirements.

[0088] Further, the second side frame assembly 162 can also comprise a second louver 167, which can be arranged on the double-door 163, for cooling the energy storage assembly 100 in the integrated box 110.

[0089] Still further, the first side frame assembly 161 and the second side frame assembly 162 can also comprise a folding door, so as to save the opening space and improve the application range of the integrated box 110.

[0090] As known from the above, the side frame assembly 160 of the integrated box 110 integrates the single-door, the double-door 163, the folding door and the maintenance door 164, which are comprehensive in function and convenient to maintain.

[0091] Unless otherwise defined, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of this application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items. As used herein, the term "if' can be construed to mean "when" or "upon" or "in response to the occurrence of" in addition to "in response to the fulfillment or lapse of" unless otherwise indicated.

[0092] While the application has been illustrated and described in typical embodiments, it is not intended to be limited to the details shown, since various modifications and substitutions can be made into the details without departing from the spirit of the application. Accordingly, it is to be understood that the application has been disclosed by way of illustration and that all changes and modifications of the application herein disclosed can be made without departing from the spirit and scope of the application.

Claims

1. An integrated tank of a vanadium redox flow battery energy storage device, the vanadium redox flow battery energy storage device comprising an energy storage assembly and a heat dissipation assembly, the energy storage assembly comprising two liquid storage tanks, characterized in that, The energy storage assembly is arranged in the integrated box, and the integrated box comprises: a bottom frame assembly comprising a bottom cross beam for connecting and carrying the energy storage assembly; a top frame assembly provided with two heat dissipation openings aligned with the two liquid storage tanks along the length direction of the integrated box for dissipating heat of the liquid storage tanks in the integrated box, and further provided with an equipment support seat for mounting the heat dissipation assembly.

2. The integrated tank for a vanadium redox flow battery energy storage device of claim 1, wherein, The top frame assembly further comprises a top longitudinal beam and a top plate, and the heat dissipation openings are arranged on the top plate; the equipment support seat comprises a support plate, a fixing block and an elastic element, the fixing block is arranged on the top longitudinal beam, the support plate extends along the width direction of the integrated box and is spaced apart from the top plate along the height direction of the integrated box, and the elastic element is arranged between the fixing block and the support plate, and the support plate is used for connecting the heat dissipation assembly.

3. The integrated tank of a vanadium redox flow battery energy storage device according to claim 2, characterized in that, The integrated box further comprises a top corner piece, and the top frame assembly further comprises a flange for communicating the energy storage assembly, and a projection of the flange along the height direction of the integrated box is within a range surrounded by a projection of the top corner piece along the height direction.

4. The integrated tank for a vanadium redox flow battery energy storage device of claim 1, wherein, The integrated box further comprises a front frame assembly provided with a first heat dissipation fan for leading out heat in the integrated box; and the integrated box further comprises a first rainproof cover arranged outside the front frame assembly and corresponding to the first heat dissipation fan along the height direction of the integrated box and the width direction of the integrated box.

5. The integrated tank for a vanadium redox flow battery energy storage device of claim 1, wherein, The integrated box further comprises a side frame assembly comprising a louver.

6. The integrated tank of a vanadium redox flow battery energy storage device of claim 5, wherein, The side frame assembly further comprises at least two of a single-door, a double-door, a folding door and a maintenance door.

7. The integrated tank of a vanadium redox flow battery energy storage device of claim 5, wherein, The side frame assembly is provided with a second heat dissipation fan for leading out heat in the integrated box; and the integrated box further comprises a second rainproof cover arranged outside the side frame assembly and corresponding to the second heat dissipation fan along the height direction of the integrated box and the length direction of the integrated box.

8. The integrated tank for a vanadium redox flow battery energy storage device of claim 1, wherein, The bottom frame assembly further comprises a mounting nut for mounting the energy storage assembly, the mounting nut is arranged in the bottom cross beam and connected to an inner top surface of the bottom cross beam, and the top surface of the bottom cross beam is provided with a mounting hole aligned with the mounting nut.

9. The integrated tank for a vanadium redox flow battery energy storage device of claim 1, wherein, The bottom frame assembly further comprises a bottom longitudinal beam connected to the bottom cross beam, a reinforcing plate connected to the bottom cross beam and arranged between the bottom cross beams along the length direction of the integrated box, and a hoisting shaft with a first end penetrating the bottom longitudinal beam and a second end penetrating the reinforcing plate.

10. An all-vanadium redox flow battery energy storage device, characterised in that, comprises: the integrated box of the all-vanadium redox flow battery energy storage device according to any one of claims 1 to 9, the integrated box comprising a top frame assembly and a bottom frame assembly, the bottom frame assembly comprising a bottom cross beam, and the top frame assembly being provided with an equipment support seat; an energy storage assembly arranged in the integrated box and connected to the bottom cross beam; A heat dissipation assembly is provided on and connected with the device support seat.

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