A stacked air-cooled energy storage system

Abstract

The present application relates to a stacked air-cooled energy storage system, which includes an assembly cavity formed in a box, a battery module arranged on the box and located in the assembly cavity, and multiple boxes are stacked together in sequence; the box at the bottom is connected to the bottom block, and the box at the top is connected to the top block; the air-cooled module includes a first mounting block, a second mounting block and a heat dissipation member, and a first heat dissipation hole connected to the assembly cavity is provided on the side wall of the box; the first mounting block is arranged on the box, and a first through hole connected to the assembly cavity is provided on the first mounting block; the second mounting block is arranged on the box, and a first mounting groove is provided on the second mounting block; a second through hole connecting the assembly cavity and the first mounting groove is provided on the second mounting block; the first through hole is connected to the second through hole; the heat dissipation member is arranged on the first mounting block and covers the first through hole; the battery modules in the two boxes are connected through a connecting unit. The present application has the effect of extending the life of the battery module.

Description

Technical Field

[0001] The present application relates to the technical field of energy storage systems, and in particular to a stacked air-cooled energy storage system. Background Art

[0002] Energy storage systems include the input and output of energy and matter, energy conversion and storage equipment.

[0003] At present, a stacked energy storage system includes a cabinet, in which a plurality of boxes with battery modules are placed, and the plurality of boxes are stacked together; the boxes are provided with heat dissipation holes, and the heat generated by the battery modules when working is discharged through the heat dissipation holes.

[0004] The heat dissipation method of only dissipating heat through the heat dissipation holes is relatively slow, which will make it difficult for the heat generated by the battery module to dissipate; when multiple boxes are stacked together, the heat generated by the two adjacent boxes will be transferred, so the battery module will work in a high temperature state for a long time, resulting in a shorter life of the battery module. Summary of the invention

[0005] In order to extend the life of a battery module, the present application provides a stacked air-cooled energy storage system.

[0006] The present application provides a stacked air-cooled energy storage system, which adopts the following technical solution:

[0007] A stacked air-cooled energy storage system, comprising a box, a battery module, a connecting unit, a bottom block, a top block and an air-cooling module, wherein an assembly cavity is formed in the box, the battery module is arranged on the box and located in the assembly cavity, a plurality of boxes are provided, and the plurality of boxes are stacked together in sequence; the box at the bottom is connected to the bottom block, and the box at the top is connected to the top block; the air-cooling module comprises a first mounting block, a second mounting block and a heat dissipation member, a first heat dissipation hole connected to the assembly cavity is provided on the side wall of the box; the first mounting block is provided on the box, and a first through hole connected to the assembly cavity is provided on the first mounting block; the second mounting block is provided on the box The second mounting block is provided with a first mounting groove, and the first mounting block on the box body can enter the first mounting groove of the second mounting block on the adjacent box body; the second mounting block is provided with a second through hole connecting the assembly cavity and the first mounting groove; and when the first mounting block on the box body is located in the first mounting groove of the second mounting block on the adjacent box body, the first through hole on the first mounting block is connected with the second through hole on the second mounting block; the heat dissipation component is arranged on the first mounting block and covers the first through hole; when two adjacent boxes are connected together, the battery modules in the two boxes are connected through the connecting unit.

[0008] By adopting the above technical solution, when two adjacent boxes are stacked together, the first mounting block on the lower box can enter the first mounting groove of the second mounting block of the upper box, and when the two boxes are connected, the heat exhaust component is started, and the heat exhaust component will accelerate the discharge of heat in the assembly groove, thereby reducing the temperature in the assembly cavity and reducing the temperature of the environment in which the battery module is located, thereby extending the life of the battery module.

[0009] Optionally, a second mounting groove is provided on the first mounting block, the first through hole connects the second mounting groove and the assembly cavity, and the heat dissipation component is located in the second mounting groove; the connecting unit includes a first male plug and a first female plug, the first male plug is arranged on the first mounting block and located in the second mounting groove; the first female plug is arranged on the second mounting block, and when the first mounting block on the box body is located in the first mounting groove of the second mounting block on the adjacent box body, the first male plug on the box body cooperates with the first female plug on the adjacent box body.

[0010] Optionally, a first heat dissipation groove is provided on a side of the bottom block close to the box body, and a second heat dissipation hole connected with the first heat dissipation groove is provided on the side wall of the bottom block; a ventilation groove is provided on an end of the bottom block away from the box body; an external component is provided on the bottom block, and the external component includes a third mounting block, a second male plug and an external joint, the third mounting block is arranged on the bottom block, and the third mounting block can enter the first mounting groove of the second mounting block; a third mounting groove is provided on the third mounting block, and a third through hole connecting the third mounting groove and the first heat dissipation groove is provided on the third mounting block; the second male plug is provided on the third mounting block and is located in the third mounting groove, and when the third mounting block is located in the first mounting groove of the second mounting block, the second male plug cooperates with the first female plug on the box body, and the third through hole is connected with the second through hole on the second mounting block; the external joint is provided on the bottom block and connected with the second male plug.

[0011] Optionally, a second heat dissipation groove is formed on the top block, and a third heat dissipation hole connected with the second heat dissipation groove is formed on the side wall of the top block; a sealing assembly is provided on the top block, and the sealing assembly includes a fourth mounting block and a second female plug, the fourth mounting block is arranged on the top block, the fourth mounting block is provided with a fourth through hole connected with the second heat dissipation groove, and the fourth through hole is connected with the first through hole on the box body; a fourth mounting block is provided with a fourth mounting groove connected with the fourth through hole; the second female plug is arranged on the fourth mounting block and located in the fourth mounting groove, and the second female plug cooperates with the first male plug on the box body.

[0012] Optionally, a support and guide assembly is provided on the box body, and the support and guide assembly includes a support square tube, a limit guide block, a first fixing bolt and a second fixing bolt, the support square tube is provided on the box body, and one end of the support square tube protrudes from the box body; a fifth mounting groove is provided at the end of the support square tube protruding from the box body, and a limit groove is provided at the end of the support square tube away from the fifth mounting groove; one end of the limit guide block is provided in the fifth mounting groove by the first fixing bolt, and the other end of the limit guide block can enter the limit groove of the support square tube in the adjacent box body; the second fixing bolt passes through the support square tube and is threadedly connected to the limit guide block located in the limit groove.

[0013] By adopting the above technical solution, the weight of the upper box is borne by the supporting square tube and transmitted to the supporting square tube of the lower box and finally to the ground, so that the entire system can be stacked in multiple layers without the box itself being subject to the risk of deformation due to the conduction of force; and the limiting guide block on the supporting square tube can enter the limiting groove of the adjacent box, which can reduce the adjustment time of the two adjacent boxes, so that they can be stacked together quickly and neatly; therefore, the support and guide assembly set up can not only protect the box, but also improve the stacking efficiency of the box.

[0014] Optionally, it also includes a lifting mechanism, which includes a main body, a first connecting block, a second connecting block, a first clamping block, a first reinforcement block, a positioning assembly, a lifting assembly and a first adjusting assembly, and the box body, the bottom block and the top block are all provided with placement grooves; a receiving groove is formed on the main body, and the bottom block is located in the receiving groove; and the bottom block is connected to the main body through the positioning assembly; the first connecting block is arranged on the main body, and the second connecting block is slidably arranged on the first connecting block through the lifting assembly; two first clamping blocks are provided, and the two first clamping blocks are slidably arranged on the second connecting block; the first adjusting assembly is arranged on the second connecting block, and the two first clamping blocks are connected to the first adjusting assembly; the first reinforcement block is arranged on the first clamping block, and the first reinforcement block can be located in the placement groove.

[0015] By adopting the above technical solution, when one of the boxes is damaged and needs to be replaced, the lifting assembly is first started to move the first connecting block to the vicinity of the box above the box that needs to be replaced, and the box above the box that needs to be replaced is located between the two first clamping blocks; then the first adjusting assembly is started, and the first adjusting assembly drives the two first clamping blocks to move towards each other, so that the two first clamping blocks are both pressed against the side walls of the box above the box that needs to be replaced, and the first reinforcement block enters the placement groove of the box above the box that needs to be replaced; then the lifting assembly is started, and the lifting assembly drives the second connecting block to move in a direction away from the box that needs to be replaced, so that the box above the box that needs to be replaced is lifted and separated from the box that needs to be replaced, which makes it easier to replace the box; because each box has a certain weight, when the box that needs to be replaced is located in the middle or lower position of the stacked boxes, the lifting mechanism can reduce the need to manually move all the boxes above the boxes that need to be replaced, thereby improving efficiency.

[0016] Optionally, a supporting mechanism is provided on the first clamping block, and the supporting mechanism includes a supporting block, a first rotating shaft, a first gear, a first rack, a limiting block, a second gear, a second rotating shaft, a third gear and a second rack, and the supporting block is slidably arranged on the first clamping block; a first sliding hole is provided on the second connecting block, and the first clamping block is slidably arranged in the first sliding hole, and the first rotating shaft is rotatably arranged on the first clamping block; the first gear key is connected to the first rotating shaft, the first rack is provided on the supporting block, and the first rack is meshed with the first gear; the first connecting block is provided with a first sliding groove and a first sliding hole along its vertical direction The first connecting block is provided with a third sliding groove connecting the first sliding groove and the second sliding groove; the limiting block is arranged on the first rotating shaft, and the limiting block can enter the second sliding groove from the first sliding groove through the third sliding groove; the limiting block cannot rotate in the first sliding groove and the third sliding groove, and the limiting block can rotate in the second sliding groove; the second gear key is connected to the first rotating shaft; the second rotating shaft is rotatably arranged on the first clamping block, and the third gear key is connected to the second rotating shaft and meshes with the second gear; the second rack is arranged on the first connecting block and meshes with the third gear.

[0017] Optionally, the first reinforcement block is slidably set on the first clamping block, and the first reinforcement block is provided with a first spring connected to the first clamping block; the first clamping block is provided with a locking mechanism, and the locking mechanism includes a locking block, a second spring and a second adjusting component; the locking block is slidably set on the first clamping block, and the second rotating shaft is provided with a locking groove matching the locking block; the second spring connects the locking block and the first clamping block; the second adjusting component is set on the first clamping block, and the locking block and the first reinforcement block are both connected to the second adjusting component.

[0018] Optionally, the second connecting block is provided with a stabilizing mechanism, and the stabilizing mechanism includes a first adjusting block, a second adjusting block, a third connecting block, a second clamping block, a second reinforcing block, a telescopic block, a first positioning block, a second positioning block, a third spring and an adjusting assembly, the first adjusting block is fixedly arranged on the second connecting block, and the first adjusting block is provided with a first groove; one end of the second adjusting block is slidably arranged in the first groove; the third connecting block is fixedly arranged on the second adjusting block; two second clamping blocks are provided, and both of the two second clamping blocks are slidably arranged on the third connecting block; the second reinforcing block is arranged on the second clamping block and can be located in the placement groove; The telescopic blocks are provided with two, one of which is connected to the second clamping block and the first clamping block; the first positioning block is slidably arranged on the third connecting block, and the first connecting block is provided with a positioning groove which is engaged with the first positioning block; the second adjusting block is provided with a second groove, and the second positioning block is slidably arranged in the second groove, and the first adjusting block is provided with a positioning hole which is connected with the first groove, and the second positioning block can be engaged with the positioning hole; the third spring connects the second positioning block and the second adjusting block; the adjusting assembly is provided on the first adjusting block, and the first positioning block and the second positioning block are both connected with the adjusting assembly.

[0019] Optionally, a transfer mechanism is provided on the first connecting block, and the transfer mechanism includes a fourth connecting block, a third clamping block, a slider, a transfer block, a third reinforcement block, a third adjustment component, a fourth adjustment component and a fifth adjustment component, and the fourth connecting block is slidably set on the first connecting block through the third adjustment component; there are two third clamping blocks, and both of the third clamping blocks are slidably set on the fourth connecting block through the fourth adjustment component; a fourth sliding groove is provided on the third clamping block, and the slider is slidably set in the fourth sliding groove; the transfer block is set on the slider; the third reinforcement block is set on the transfer block and can be located in the placement groove; the fifth adjustment component is set on the fourth connecting block, and the slider is connected to the fifth adjustment component.

[0020] In summary, the present application includes at least one of the following beneficial technical effects:

[0021] 1. The air cooling module provided in this configuration can reduce the temperature of the environment in which the battery module is located, thereby extending the life of the battery module;

[0022] 2. The support and guide components provided can not only protect the box body, but also improve the stacking efficiency of the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of a stacked air-cooled energy storage system in an embodiment of the present application;

[0024] Figure 2 This is a schematic diagram of the structure of the ventilation slot in the embodiment of the present application;

[0025] Figure 3 This is a schematic diagram of the structure of the bottom block in the embodiment of the present application;

[0026] Figure 4 This is a schematic diagram of the structure of the air cooling module in the embodiment of the present application;

[0027] Figure 5 This is a schematic diagram of the structure of the first female plug in the embodiment of the present application;

[0028] Figure 6 This is a schematic diagram of the structure of the support guide assembly in the embodiment of the present application;

[0029] Figure 7 This is a schematic diagram of the structure of the blocking component in the embodiment of the present application;

[0030] Figure 8 This is a schematic diagram of the structure of the control module in the embodiment of the present application;

[0031] Fig. 9 This is a schematic diagram of the structure of the lifting mechanism in the embodiment of the present application;

[0032] Fig.10 This is a schematic diagram of the structure of the second rack in the embodiment of the present application;

[0033] Fig.11 This is a schematic diagram of the structure of the lifting assembly in the embodiment of the present application;

[0034] Fig.12 This is a schematic diagram of the structure of the second adjustment component in the embodiment of the present application;

[0035] Fig.13 This is a schematic diagram of the structure of the stabilizing mechanism in the embodiment of the present application;

[0036] Fig.14 This is a schematic diagram of the structure of the adjustment component in the embodiment of the present application;

[0037] Fig.15 It is a schematic diagram of the structure of the transfer mechanism in the embodiment of the present application.

[0038] Figure numerals: 11, box body; 111, assembly cavity; 112, placement slot; 12, battery module; 13, connecting unit; 131, first male plug; 132, first female plug; 14, bottom block; 141, first heat dissipation slot; 142, second heat dissipation hole; 143, ventilation slot; 15, top block; 151, second heat dissipation slot; 152, third heat dissipation hole; 16, external assembly; 161, third mounting block; 1611, third mounting slot; 1612, third through hole; 162, second male plug; 163, external joint; 17, blocking assembly; 171, fourth mounting block; 1711, fourth mounting slot; 1712, fourth through hole; 172, second female plug; 18, control module; 2, air cooling module; 21, first mounting block; 211, second mounting slot; 22, second mounting block; 221, first mounting slot; 222, second through hole; 23, heat exhaust member; 24, support block; 3, support guide assembly; 31, support square tube; 311, fifth mounting slot; 312, limit slot; 32, limit guide block; 33, first fixing bolt; 34, second fixing bolt; 4, lifting mechanism; 41, main body; 411, receiving slot; 42, first connecting block; 421, first slide slot; 422, second slide slot; 423, third slide slot; 424, positioning slot; 43, second connecting block; 431, first slide hole; 44, first clamping block; 45, first reinforcement block; 46, lifting assembly; 461, first motor; 462, fourth gear; 463, The third rack; 47, the first adjustment component; 48, the first spring; 5, the supporting mechanism; 51, the supporting block; 52, the first rotating shaft; 53, the first gear; 54, the first rack; 55, the limiting block; 56, the second gear; 57, the second rotating shaft; 58, the third gear; 59, the second rack; 61, the locking block; 62, the second spring; 63, the second adjustment component; 631, the fourth rack; 632, the third rotating shaft; 633, the fifth gear; 634, the sixth gear; 635, the fifth rack; 7, the stabilizing mechanism; 71, the first adjusting block; 72, the second adjusting block; 721, the second groove; 722, the third groove; 73, the third connecting block; 731, the second sliding hole; 74, the second clamping block; 75, the second reinforcing block; 76. first positioning block; 77. second positioning block; 78. third spring; 79. adjustment assembly; 791. unlocking block; 792. sixth rack; 793. fourth shaft; 794. seventh gear; 795. fifth shaft; 796. first bevel gear; 797. sixth shaft; 798. second bevel gear; 799. eighth gear; 7910. seventh rack; 7911. fourth spring; 8. transfer mechanism; 81. fourth connecting block; 811. third sliding hole; 82. third clamping block; 821. fourth slide groove; 83. slider; 84. transfer block; 85. third reinforcement block; 86. third adjustment assembly; 861. third motor; 862. ninth gear; 87. fourth adjustment assembly; 88. fifth adjustment assembly;881, fourth motor; 882, adjusting screw rod. ; DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-15 This application is described in further detail.

[0040] An embodiment of the present application discloses a stacked air-cooled energy storage system.

[0041] refer to Figure 1 A stacked air-cooled energy storage system includes a bottom block 14 on which a plurality of boxes 11 are stacked, wherein the number of the boxes 11 may be 2-13; the bottom box 11 is placed on the bottom block 14, and a top block 15 is arranged on the top box 11.

[0042] refer to Figure 2 and Figure 3 A ventilation slot 143 is provided on a side of the bottom block 14 away from the box body 11 , a first heat dissipation slot 141 is provided on a side of the bottom block 14 close to the box body 11 , and a second heat dissipation hole 142 connected to the first heat dissipation slot 141 is provided on a side wall of the bottom block 14 .

[0043] An external component 16 is provided on the bottom block 14, and the external component 16 includes a third mounting block 161 fixedly connected to the bottom block 14 and located in the first heat dissipation groove 141, and a third mounting groove 1611 is defined on the third mounting block 161, and a third through hole 1612 connecting the third mounting groove 1611 and the first heat dissipation groove 141 is defined on the third mounting block 161.

[0044] The third mounting block 161 is fixedly connected with a second male plug 162, and the second male plug 162 is located in the third mounting groove 1611. The third mounting block 161 is fixedly connected with an external connector 163 connected to the second male plug 162 via a wire.

[0045] refer to Figure 4 and Figure 5 An assembly cavity 111 is formed in each box 11, and a battery module 12 is installed in the assembly cavity 111 of the box 11. The battery module 12 can be a lithium battery or a lead-acid battery module 12, etc. According to needs, several battery modules 12 can be selected and connected in series and parallel by changing the internal cable wiring method to obtain the required voltage and capacity.

[0046] Each box body 11 is provided with an air cooling module 2, which includes a support block 24 fixed on the box body 11 and located in the assembly cavity 111, the end of the support block 24 away from the bottom block 14 is fixedly connected to the first mounting block 21, the side of the first mounting block 21 away from the support block 24 is provided with a second mounting groove 211, and the first mounting block 21 is provided with a first through hole connecting the second mounting groove 211 and the assembly cavity 111; the first mounting block 21 is connected with a heat exhaust component 23, the heat exhaust component 23 is an exhaust fan, and the exhaust fan is located in the second mounting groove 211 and covers the first through hole. The end of the support block 24 close to the bottom block 14 is fixedly connected to the second mounting block 22, the side of the second mounting block 22 away from the support block 24 is provided with a first mounting groove 221, and the second mounting block 22 is provided with a second through hole 222 connecting the first mounting groove 221 and the assembly cavity 111.

[0047] A connecting unit 13 is provided in each box body 11, and the connecting unit 13 includes a first male plug 131 connected to the first mounting block 21, and the first male plug 131 is located in the second mounting groove 211; the first male plug 131 is connected to the battery module 12 through a wire; the second mounting block 22 is connected to a first female plug 132, the first female plug 132 is located in the first mounting groove 221, and the first female plug 132 is also connected to the battery module 12 through a wire.

[0048] When two adjacent boxes 11 are stacked together, the first mounting block 21 on the lower box 11 can enter the first mounting groove 221 of the second mounting block 22 of the upper box 11, and the second through hole 222 of the second mounting block 22 is connected to the first through hole on the first mounting block 21 to form an air duct, and the air ducts formed by the multiple stacked boxes 11 are connected. And the first male plug 131 on the lower box 11 can be inserted into the first female plug 132 of the upper box 11 to achieve the connection between the battery modules 12 of the two boxes 11. When the exhaust fans on each box 11 are working, the heat in the assembly slot in the box 11 can be quickly discharged.

[0049] When the box 11 is stacked on the bottom block 14, the third mounting block 161 on the bottom block 14 can enter the first mounting groove 221 of the second mounting block 22 of the box 11 close to the bottom block 14, and the second male plug 162 on the bottom block 14 can be inserted into the first female plug 132 of the box 11 close to the bottom block 14, so that the battery module 12 in the box 11 stacked on the bottom block 14 is connected to the external joint 163 on the bottom block 14. The third through hole 1612 on the third mounting block 161 is connected to the second through hole 222 on the second mounting block 22.

[0050] refer to Figure 2 and 6In order to facilitate the stacking of adjacent boxes 11, a support guide assembly 3 is provided on each box 11, and the support guide assembly 3 includes a support square tube 31 fixedly connected to the box 11, and the end of the support square tube 31 away from the bottom block 14 protrudes from the box 11, and the protruding height is 0.5mm, and the end of the support square tube 31 close to the bottom block 14 is flush with the box 11. A fifth mounting groove 311 is provided on the support square tube 31 protruding from the box 11, and a limiting groove 312 is provided on the end of the support square tube 31 away from the fifth mounting groove 311.

[0051] The limiting guide block 32 is clamped in the fifth installation groove 311 of the supporting square tube 31. The end of the limiting guide block 32 away from the supporting square tube 31 is in a step-like shape, and the cross section of the limiting guide block 32 gradually decreases in the direction away from the box body 11. The supporting square tube 31 is provided with a first fixing bolt 33, which passes through the supporting square tube 31 and is threadedly connected to the limiting guide block 32 located in the fifth installation groove 311. The limiting guide block 32 on the box body 11 can enter the limiting groove 312 of the supporting square tube 31 of the adjacent box body 11. The supporting square tube 31 is provided with a second fixing bolt 34, which passes through the supporting square tube 31 and is threadedly connected to the limiting guide block 32 located in the limiting groove 312.

[0052] When the two boxes 11 are stacked, the limiting guide block 32 on the lower box 11 enters the limiting groove 312 of the upper box 11, and then the second fixing bolt 34 passes through the supporting square tube 31 of the upper box 11 and is threadedly connected to the limiting guide block 32 located in the limiting groove 312.

[0053] In order to facilitate the quick connection and positioning of the bottom block 14 and the box body 11, the same supporting square tube 31 is fixed on the bottom block 14, and the limiting guide block 32 on the bottom block 14 can enter the limiting groove 312 of the box body 11 close to the bottom block 14, and then the limiting guide block 32 on the bottom block 14 is fixed to the supporting square tube 31 of the box body 11 with the second fixing bolt 34.

[0054] refer to Figure 1 and Figure 7 A second heat dissipation groove 151 is provided on one side of the top block 15 close to the bottom block 14, and a third heat dissipation hole 152 connected to the second heat dissipation groove 151 is provided on the side wall of the top block 15; in order to facilitate the connection between the top block 15 and the box body 11, a limit groove 312 is provided on the top block 15 for connecting the upper limit guide block 32 of the box body 11.

[0055] A plugging assembly 17 is provided on the top block 15, and the plugging assembly 17 includes a fourth mounting block 171 fixedly connected to the top block 15, and the fourth mounting block 171 is located in the second heat dissipation slot 151; a fourth mounting slot 1711 is provided on the fourth mounting block 171, and a fourth through hole 1712 is provided on the fourth mounting block 171 that connects the fourth mounting slot 1711 and the second heat dissipation slot 151. A second female plug 172 is fixedly connected to the fourth mounting block 171, and the second female plug 172 is located in the fourth mounting slot 1711.

[0056] The first mounting block 21 on the box body 11 close to the top block 15 can enter into the fourth mounting groove 1711 of the fourth mounting block 171 , and the first male plug 131 on the box body 11 can enter into the second female plug 172 .

[0057] refer to Figure 8 When the battery modules 12 are connected in series to form a high-voltage system, a control module 18 is provided on the top block 15. The control module 18 includes a circuit breaker, a switch, an external output port, and various electrical components integrated inside. The control module 18 monitors and controls the use status of the entire system in the high-voltage system to ensure the normal and orderly operation of the system.

[0058] If the battery modules 12 are connected in series to form a low-voltage system, the control module 18 may not be configured on the top block 15 .

[0059] refer to Figure 1 , handles are connected at both ends of the box 11 in the length direction, which is convenient for carrying when assembling the system. In addition, a detachable BMS connected to the battery module 12 can be installed on the end surface of one end of the box 11, so that it can be quickly disassembled and repaired without carrying the upper module.

[0060] refer to Figure 1 and Fig. 9 In order to facilitate the replacement of one of the boxes 11, a lifting mechanism 4 is also provided. The lifting mechanism 4 includes a main body 41 with a roller. The main body 41 is provided with a receiving groove 411 that is engaged with the bottom block 14. The main body 41 is provided with a positioning component. The positioning component can be a positioning bolt, that is, when the bottom block 14 is located in the receiving groove 411 of the main body 41, the positioning bolt is threadedly connected to the bottom block 14.

[0061] A placement groove 112 is formed on both side walls of the bottom block 14 , the box body 11 and the top block 15 in the width direction.

[0062] refer to Fig. 9 and Fig.10A first connecting block 42 is fixedly connected to the main body 41, and a sliding groove is opened in the vertical direction of the first connecting block 42. A second connecting block 43 is slidingly connected in the sliding groove. First sliding holes 431 are opened at both ends of the second connecting block 43, and a first clamping block 44 is slidingly connected in each first sliding hole 431.

[0063] refer to Fig.10 and Fig.11 A lifting assembly 46 connected to the second connecting block 43 is provided on the first connecting block 42, and the lifting assembly 46 includes a third rack 463 fixedly connected to the first connecting block 42; a first motor 461 is fixedly connected to the second connecting block 43, and a fourth gear 462 meshing with the third rack 463 is keyed to the output shaft of the first motor 461.

[0064] When the first motor 461 is started, the output shaft of the first motor 461 drives the fourth gear 462 to rotate, and the fourth gear 462 moves relative to the third rack 463 , and the second connecting block 43 moves relative to the first connecting block 42 .

[0065] refer to Fig.10 and Fig.11 A first adjusting component 47 is provided on the second connecting block 43, and the first adjusting component 47 includes a first bidirectional screw rod rotatably connected to the second connecting block 43, the first bidirectional screw rod passes through the two first clamping blocks 44, and the two ends of the two first clamping blocks 44 are respectively threadedly connected to the two ends of the first bidirectional screw rod; a second motor is fixedly connected to the second connecting block 43, and the output shaft of the second motor is connected to one end of the first bidirectional screw rod.

[0066] When the second motor is started, the output shaft of the second motor drives the first bidirectional screw to rotate, and the first bidirectional screw drives the two first clamping blocks 44 to move toward each other, so that the two first clamping blocks 44 can press against the two side walls of the box body 11 or the two side walls of the top block 15.

[0067] refer to Fig.10 and Fig.11 Each first clamping block 44 is provided with an adjustment cavity, and the first clamping block 44 is provided with a first adjustment hole connected to the adjustment cavity. A first reinforcement block 45 is slidably connected in the first adjustment hole, and a first spring 48 is connected to the first reinforcement block 45. The end of the first spring 48 away from the first reinforcement block 45 is connected to the first clamping block 44.

[0068] Before the two first clamping blocks 44 are pressed against the side walls of the box body 11, the first reinforcement block 45 will first enter the placement groove 112 of the box body 11; when the two first clamping blocks 44 are respectively pressed against the two side walls of the box body 11, the end of the first reinforcement block 45 away from the first spring 48 is still located in the placement groove 112; and when the two first clamping blocks 44 are moving toward each other, the first reinforcement block 45 will slide in the first adjustment hole.

[0069] When the two first clamping blocks 44 are pressed against the side wall of the box body 11 , the first motor 461 is started to move the second connecting block 43 on the first connecting block 42 , and the two first clamping blocks 44 and the two first reinforcing blocks 45 on the second connecting block 43 will lift the box body 11 .

[0070] refer to Fig.10 and Fig.11 In order to support the lifted box 11, a supporting mechanism 5 is provided on the first clamping block 44, and the supporting mechanism 5 includes a supporting block 51. The first clamping block 44 is provided with a second adjusting hole for the supporting block 51 to slide, and the second adjusting hole is connected to the adjusting cavity.

[0071] refer to Fig.11 and Fig.12 The first clamping block 44 is rotatably connected to a first rotating shaft 52, one end of the first rotating shaft 52 is located in the adjusting cavity and the other end passes through the first clamping block 44; the first rotating shaft 52 located in the adjusting cavity is key-connected to a first gear 53, and the supporting block 51 is fixedly connected to a first rack 54 meshing with the first gear 53.

[0072] A rectangular limiting block 55 is fixedly connected to the first rotating shaft 52 that passes through the first connecting block 42. The first connecting block 42 is provided with a first slide groove 421 and a second slide groove 422 along its vertical direction, and the first connecting block 42 is provided with a plurality of third slide grooves 423 that connect the first slide groove 421 and the second slide groove 422 along its horizontal direction; the limiting block 55 can enter the third slide groove 423 from the first slide groove 421 and then enter the second slide groove 422, and can also enter the third slide groove 423 from the second slide groove 422 and then enter the first slide groove 421; and the limiting block 55 can only slide but not rotate in the first slide groove 421 and the third slide groove 423, and can rotate in the second slide groove 422.

[0073] A second gear 56 is key-connected to the first rotating shaft 52 between the limiting block 55 and the first connecting block 42, a second rotating shaft 57 is rotatably connected to the first connecting block 42, and a third gear 58 meshing with the second gear 56 is key-connected to the second rotating shaft 57; a second rack 59 is fixedly connected to the first connecting block 42, and when the limiting block 55 is located in the second sliding groove 422, the second rack 59 meshes with the third gear 58.

[0074] When the first reinforcement block 45 does not enter the placement groove 112 of the box body 11, the limiting block 55 is located in the first slide groove 421 of the first connecting block 42; when the two first clamping blocks 44 move toward each other, the first clamping block 44 does not interfere with the box body 11 and the end of the first reinforcement block 45 away from the first clamping block 44 enters the placement groove 112 of the box body 11, the limiting block 55 will enter the third slide groove 423 from the first slide groove 421; when the two first clamping blocks 44 are both against the side wall of the box body 11, the limiting block 55 enters the second slide groove 422 from the third slide groove 423, and the third gear 58 is meshed with the second rack 59.

[0075] When the second connecting block 43 moves on the first connecting block 42, causing the two first clamping blocks 44 and the two first reinforcing blocks 45 to lift the box body 11, the third gear 58 will move relative to the second rack 59 and rotate, and the rotating third gear 58 will drive the second gear 56 to rotate, and the second gear 56 will drive the first rotating shaft 52 to rotate, and the limiting block 55 on the first rotating shaft 52 will rotate in the second slide groove 422, and the first gear 53 on the first rotating shaft 52 will drive the first rack 54 to move, and the first rack 54 will drive the supporting block 51 to move, so that the supporting block 51 moves to the bottom of the lifted box body 11 and contacts the side wall of the box body 11 close to the bottom block 14, so as to support the lifted box body 11.

[0076] refer to Fig.11 and Fig.12 In order to reduce the phenomenon that the limiting block 55 rotates in the second sliding groove 422 before the third gear 58 is meshed with the second rack 59, that is, to reduce the phenomenon that the third gear 58 rotates before the third gear 58 is meshed with the second rack 59, a locking mechanism is provided on the first clamping block 44, and the locking mechanism includes a locking block 61 slidably connected in the adjusting cavity, and a locking groove engaged with the locking block 61 is provided on the second rotating shaft 57; a second spring 62 is connected to the locking block 61, and the end of the second spring 62 away from the locking block 61 is connected to the first connecting block 42.

[0077] A second adjusting component 63 is provided on the first connecting block 42, and the second adjusting component 63 includes a fourth rack 631 fixedly connected to the first reinforcing block 45; a third rotating shaft 632 is rotatably connected in the adjusting cavity, one end of the third rotating shaft 632 is keyed to a fifth gear 633 meshing with the fourth rack 631, and one end of the third rotating shaft 632 away from the fifth gear 633 is keyed to a sixth gear 634; a fifth rack 635 meshing with the sixth gear 634 is fixedly connected to the locking block 61.

[0078] When the first reinforcing block 45 enters the placement groove 112 of the box body 11 and the first clamping block 44 does not abut against the side wall of the box body 11, the locking block 61 is engaged with the locking groove on the second rotating shaft 57. When the first clamping block 44 moves toward the direction close to the box body 11, that is, when the limiting block 55 enters the second sliding groove 422 from the third sliding groove 423, the first reinforcing block 45 moves relative to the first clamping block 44, the fourth rack 631 on the first reinforcing block 45 drives the fifth gear 633 to rotate, the fifth gear 633 drives the third rotating shaft 632 to rotate, the third rotating shaft 632 drives the sixth gear 634 to rotate, the sixth gear 634 drives the fifth rack 635 to move, and the fifth rack 635 drives the locking block 61 to move in the direction away from the second rotating shaft 57. When the first clamping block 44 is pressed against the side wall of the box body 11 , the locking block 61 is no longer engaged with the locking groove on the second rotating shaft 57 , and the third gear 58 on the second rotating shaft 57 is also meshed with the second rack 59 .

[0079] refer to Fig.13 and Fig.14 In order to improve the stability of the box body 11 that has not been lifted on the bottom block 14, a stabilizing mechanism 7 is provided on the second connecting block 43. The stabilizing mechanism 7 includes a first adjusting block 71 fixedly connected to the second connecting block 43. The end of the first adjusting block 71 away from the first connecting block 42 is provided with a first groove along its length direction. The second adjusting block 72 is slidably connected in the first groove. The end of the second adjusting block 72 away from the second connecting block 43 is fixedly connected to the third connecting block 73. Two second sliding holes 731 are provided on the third connecting block 73. A second clamping block 74 is slidably connected in each second sliding hole 731. The ends of the two second clamping blocks 74 that are close to each other are fixedly connected with a second reinforcing block 75. When the two second clamping blocks 74 are pressed against the side wall of the box body 11, the second reinforcing block 75 is located in the placement groove 112 of the box body 11.

[0080] Each first clamping block 44 is connected to a telescopic block, and the end of the telescopic block away from the first clamping block 44 is connected to the second clamping block 74, and the two telescopic blocks correspond to the two second clamping blocks 74 respectively; the telescopic block includes a first fixed block connected to one of the first clamping blocks 44, and the first fixed block is slidably connected to the second fixed block, and the end of the second fixed block away from the first clamping block 44 is connected to one of the second clamping blocks 74, so that when the first clamping block 44 moves, the first clamping block 44 drives the second clamping block 74 to move through the telescopic block, so that when the two first clamping blocks 44 are pressed against the two side walls of one of the boxes 11, the two second clamping blocks 74 can also be pressed against the two side walls of the other box 11.

[0081] The first positioning block 76 is slidably connected to the third connecting block 73 , and the first connecting block 42 is provided with a plurality of positioning grooves 424 for engaging with the first positioning block 76 .

[0082] The second adjusting block 72 located in the first groove is provided with a second groove 721, and a second positioning block 77 is slidably connected in the second groove 721. The first adjusting block 71 is provided with a positioning hole connected to the first groove, and the second positioning block 77 can be engaged with the positioning hole; a third spring 78 is provided in the second groove 721, and one end of the third spring 78 is connected to the second positioning block 77 and the other end is connected to the second adjusting block 72. When the first clamping block 44 and the second clamping block 74 are not pressed against the side wall of the box body 11, the second positioning block 77 is engaged with the positioning hole on the first adjusting block 71, and the first positioning block 76 is not engaged with the positioning groove 424 on the first connecting block 42.

[0083] The second connection block 43 is provided with an adjustment assembly 79, which includes an unlocking block 791 that is slidably connected to the second connection block 43, one end of the unlocking block 791 is fixedly connected to the first clamping block 44 and the other end can be inserted into the positioning hole of the first adjustment block 71. The second adjustment block 72 located in the first groove of the first adjustment block 71 is provided with a third groove 722, the first adjustment block 71 is rotatably connected with a fourth shaft 793, and one end of the fourth shaft 793 away from the first adjustment block 71 is located in the third groove 722 of the second adjustment block 72; the fourth shaft 793 is key-connected with a seventh gear 794, and the unlocking block 791 is fixedly connected with a sixth rack 792 that meshes with the fourth gear 462. A fourth groove is provided on the fourth rotating shaft 793 located in the third groove, and a fifth rotating shaft 795 is rotatably connected to the second adjustment block 72. One end of the fifth rotating shaft 795 close to the second connecting block 43 is slidably arranged in the fourth groove of the fourth rotating shaft 793. The cross section of the fourth groove is non-circular, that is, the fifth rotating shaft 795 can only rotate relative to the fourth rotating shaft 793 but not relative to the fourth rotating shaft 793. When the fourth rotating shaft 793 rotates, it can drive the fifth rotating shaft 795 to rotate. The end of the fifth rotating shaft 795 away from the second connecting block 43 is keyed to the first bevel gear 796, the third connecting block 73 is rotatably connected to the sixth rotating shaft 797, and the second bevel gear 798 meshing with the first bevel gear 796 is keyed to the sixth rotating shaft 797; the end of the sixth rotating shaft 797 away from the second bevel gear 798 is keyed to the eighth gear 799, and the first positioning block 76 is fixedly connected to the seventh rack 7910 meshing with the eighth gear 799. The first positioning block 76 is provided with a fourth spring 7911 connected to the third connecting block 73 .

[0084] When the damaged box 11 needs to be replaced, the second connection block 43 and the first clamping block 44 are first moved to the vicinity of the box 11 above the box 11 to be replaced, and the third connection block 73 and the second clamping block 74 will correspond to the box 11 below the box 11 to be replaced. Then, the two first clamping blocks 44 are moved toward each other, so that the two first clamping blocks 44 are pressed against the side wall of the box 11 above the box 11 to be replaced, and the two second clamping blocks 74 are pressed against the side wall of the box 11 below the box 11 to be replaced. When the first clamping block 44 moves, the unlocking block 791 will be driven to move. The end of the unlocking block 791 away from the first clamping block 44 will enter the positioning hole of the first adjustment block 71 and squeeze the second positioning block 77 so that the second positioning block 77 is no longer located in the positioning hole; the sixth rack 792 on the unlocking block 791 drives the seventh gear 794 to rotate, the fourth gear 462 drives the fourth rotating shaft 793 to rotate, the fourth rotating shaft 793 drives the fifth rotating shaft 795 to rotate, the fifth rotating shaft 795 drives the first bevel gear 796 to rotate, the first bevel gear 796 drives the second bevel gear 798 to rotate, the second bevel gear 798 drives the sixth rotating shaft 797 to rotate, the sixth rotating shaft 797 drives the eighth gear 799 to rotate, the eighth gear 799 drives the seventh rack 7910 to move, and the seventh rack 7910 drives the first positioning block 76 to move in the direction close to the first connecting block 42, so that the first positioning block 76 is engaged with the positioning groove 424 on the first connecting block 42.

[0085] When the first clamping block 44 and the second clamping block 74 are both pressed against the side wall of the box body 11, the second positioning block 77 is no longer engaged with the positioning hole on the first adjustment block 71, that is, the second adjustment block 72 can move relative to the first adjustment block 71; the first positioning block 76 is engaged with the positioning groove 424 on the first connecting block 42, so that the third connecting block 73 is fixed relative to the first connecting block 42. In this way, when the two first clamping blocks 44 lift the box body 11 above the box body 11 to be replaced, the box body 11 below the box body 11 to be replaced is still firmly located on the bottom block 14.

[0086] refer to Figure 1 and Fig.15 In order to facilitate the transfer of the damaged box 11, a transfer mechanism 8 is arranged on the first connecting block 42, and the transfer mechanism 8 includes a fourth connecting block 81 slidably connected to the first connecting block 42, and a third adjusting component 86 is arranged on the fourth connecting block 81. The third adjusting component 86 includes a third motor 861 fixedly connected to the fourth connecting block 81, and a ninth gear 862 meshing with the third rack 463 is keyed to the output shaft of the third motor 861.

[0087] The fourth connecting block 81 has third sliding holes 811 at both ends, and a third clamping block 82 is slidably connected in each of the third sliding holes 811. The fourth connecting block 81 is provided with a fourth adjustment assembly 87, which includes a second bidirectional screw rod rotatably connected to the fourth connecting block 81, the second bidirectional screw rod passes through two third clamping blocks 82, and the two third clamping blocks 82 are respectively threadedly connected to both ends of the second bidirectional screw rod; the fourth connecting block 81 is fixedly connected with a fifth motor, and the output shaft of the fifth motor is connected to one end of the second bidirectional screw rod.

[0088] The third clamping block 82 is provided with a fourth slide slot 821 along its length direction, a slider 83 is slidably connected in the fourth slide slot 821, a transfer block 84 is fixedly connected to the slider 83, a third reinforcement block 85 is fixedly connected to the transfer block 84, and the third reinforcement block 85 can enter the placement slot 112 of the box body 11. The third clamping block 82 is provided with a fifth adjustment component 88, which includes an adjustment screw 882 rotatably connected in the fourth slide slot 821, the adjustment screw 882 passes through the slider 83 and is threadedly connected to the slider 83; the third clamping block 82 is fixedly connected with a fourth motor 881, and the output shaft of the fourth motor 881 is connected to one end of the adjustment screw 882.

[0089] When the two first clamping blocks 44 on the second connecting block 43 lift the box 11 above the box 11 to be replaced to a certain height, for example, to the height of one box 11, the fifth motor is started first, and the output shaft of the fifth motor drives the second bidirectional screw to rotate, and the second bidirectional screw drives the two third clamping blocks 82 to move toward each other, so that the transfer blocks 84 on the two third clamping blocks 82 are both pressed against the side wall of the box 11 to be replaced, and the two third reinforcement blocks 85 are both placed in the placement groove 112 of the box 11 to be replaced. Then the third motor 861 is started, and the third motor 861 drives the ninth gear 862 to rotate, so that the fourth connecting block 81 moves relative to the first connecting block 42, and the transfer block 84 and the third reinforcement block 85 on the fourth connecting block 81 will drive the box 11 to be replaced to move and be lifted to the height of half the box 11. Then start the fourth motor 881, the output shaft of the fourth motor 881 drives the adjusting screw 882 to rotate, the adjusting screw 882 drives the slider 83 to slide in the fourth slide groove 821, the slider 83 drives the transfer block 84 to move, and the two transfer blocks 84 will drive the box body 11 to be replaced to move away from the first connecting block 42; when the box body 11 to be replaced is no longer directly above the bottom block 14, start the fifth motor so that the transfer block 84 no longer presses against the box body 11 to be replaced, and the box body 11 to be replaced is replaced.

[0090] The implementation principle of a stacked air-cooled energy storage system in the embodiment of the present application is as follows: the damaged box 11 that needs to be replaced is the second box 11, the box 11 located above the second box 11 and connected to the second box 11 is the first box 11, and the box 11 located below the second box 11 and connected to the second box 11 is the third box 11. Remove the second fixing bolts 34 on the second box 11 and the first box 11, and then remove the second fixing bolts 34 on the second box 11 and the third box 11.

[0091] Then the main body 41 is pushed to position the bottom block 14 in the receiving groove 411 of the main body 41, and the bottom block 14 is connected to the main body 41 through the positioning assembly. Then the first motor 461 is started to position the first box 11 between the two first clamping blocks 44, and the third box 11 between the two second clamping blocks 74; the third motor 861 is started to position the second box 11 between the two transfer blocks 84.

[0092] Then, the second motor is started, so that the two first clamping blocks 44 are pressed against the side wall of the first box body 11, and the two first reinforcing blocks 45 are located in the placement groove 112 of the first box body 11; at this time, the two second clamping blocks 74 are pressed against the side wall of the third box body 11, and the two second reinforcing blocks 75 are located in the placement groove 112 of the third box body 11; at this time, the locking block 61 is separated from the locking groove on the second rotating shaft 57, and the third gear 58 on the second rotating shaft 57 is connected to the first connecting block 42. The second rack 59 is engaged, the limiting block 55 on the first rotating shaft 52 is located in the second sliding groove 422 of the first connecting block 42, and the ends of the two supporting blocks 51 that are close to each other do not extend out of the first clamping block 44; and at this time, the unlocking block 791 will enter the positioning hole of the first adjusting block 71 so that the second positioning block 77 is no longer engaged with the positioning hole, and the first positioning block 76 is engaged with the positioning groove 424 on the first connecting block 42, that is, the third box body 11 will be stably connected to the bottom block 14 and will not move.

[0093] Then start the first motor 461, and the first motor 461 drives the second connecting block 43 to move on the first connecting block 42 in the direction away from the main body 41, and the two first clamping blocks 44 and the two first reinforcing blocks 45 on the second connecting block 43 will drive the first box body 11 to move upward, that is, move in the direction away from the third box body 11; when the first box body 11 moves upward for a certain distance, for example, after moving one-eighth of the height of the box body 11, the supporting block 51 will contact the side wall of the first box body 11 on the side close to the third box body 11; until the first box body 11 moves to the height of a box body 11.

[0094] Then, the fifth motor is started so that the two transfer blocks 84 are pressed against the side walls of the second box body 11 and the two third reinforcement blocks 85 enter the placement groove 112 of the second box body 11; then, the third motor 861 is started to move the fourth connecting block 81 upward, that is, in the direction close to the first box body 11, and the two transfer blocks 84 and the two third reinforcement blocks 85 on the fourth connecting block 81 will lift the second box body 11, so that the second box body 11 is lifted to half the height of the box body 11; then, the fourth motor 881 is started to move the two transfer blocks 84 and the two third reinforcement blocks 85 away from the first connecting block 42, so that the second box body 11 is no longer directly above the bottom block 14; then, the fifth motor is started to move the two transfer blocks 84 away from each other, so that the two transfer blocks 84 are no longer pressed against the side walls of the second box body 11 and the third reinforcement blocks 85 are no longer located in the placement groove 112 of the second box body 11. Put a new box 11 between the two transfer blocks 84, start the fifth motor, make the two transfer blocks 84 press against the side wall of the new box 11, and the third reinforcement block 85 is located in the placement groove 112 of the new box 11; then start the fourth motor 881 and the third motor 861, move the new box 11 to the third box 11, and the limiting guide block 32 on the third box 11 enters the limiting groove 312 of the new box 11, that is, the new box 11 moves to the original position of the second box 11. Then start the first motor 461 and the second motor to move the first box 11 to the original position; finally separate the main body 41 from the bottom block 14.

[0095] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A stacked air-cooled energy storage system, characterized in that: It comprises a box body (11), a battery module (12), a connecting unit (13), a bottom block (14), a top block (15) and an air cooling module (2), An assembly cavity (111) is formed in the box body (11), the battery module (12) is arranged on the box body (11) and is located in the assembly cavity (111), a plurality of the box bodies (11) are provided, and the plurality of the box bodies (11) are stacked together in sequence; The box body (11) at the bottom is connected to the bottom block (14), and the box body (11) at the top is connected to the top block (15); The air cooling module (2) comprises a first mounting block (21), a second mounting block (22) and a heat exhaust component (23). A first heat dissipation hole communicating with the assembly cavity (111) is provided on the side wall of the box body (11); The first mounting block (21) is arranged on the box body (11), and the first mounting block (21) is provided with a first through hole communicating with the assembly cavity (111); The second mounting block (22) is arranged on the box body (11); a first mounting groove (221) is provided on the second mounting block (22); the first mounting block (21) on the box body (11) can enter the first mounting groove (221) of the second mounting block (22) on the adjacent box body (11); a second through hole (222) is provided on the second mounting block (22) for connecting the assembly cavity (111) and the first mounting groove (221); and when the first mounting block (21) on the box body (11) is located in the first mounting groove (221) of the second mounting block (22) on the adjacent box body (11), the first through hole on the first mounting block (21) is connected to the second through hole (222) on the second mounting block (22); The heat dissipation component (23) is arranged on the first mounting block (21) and covers the first through hole; When two adjacent boxes (11) are connected together, the battery modules (12) in the two boxes (11) are connected via the connecting unit (13).

2. A stacked air-cooled energy storage system according to claim 1, characterized in that: A second mounting groove (211) is formed on the first mounting block (21), the first through hole communicates with the second mounting groove (211) and the assembly cavity (111), and the heat exhaust component (23) is located in the second mounting groove (211); The connecting unit (13) comprises a first male plug (131) and a first female plug (132); the first male plug (131) is arranged on the first mounting block (21) and is located in the second mounting groove (211); The first female plug (132) is arranged on the second mounting block (22), and when the first mounting block (21) on the box body (11) is located in the first mounting groove (221) of the second mounting block (22) on the adjacent box body (11), the first male plug (131) on the box body (11) cooperates with the first female plug (132) on the adjacent box body (11).

3. A stacked air-cooled energy storage system according to claim 2, characterized in that: A first heat dissipation groove (141) is provided on a side of the bottom block (14) close to the box body (11), and a second heat dissipation hole (142) connected to the first heat dissipation groove (141) is provided on a side wall of the bottom block (14); a ventilation groove (143) is provided on an end of the bottom block (14) away from the box body (11); An external mounting assembly (16) is arranged on the bottom block (14), and the external mounting assembly (16) comprises a third mounting block (161), a second male plug (162) and an external mounting joint (163). The third mounting block (161) is arranged on the bottom block (14), and the third mounting block (161) can enter the first mounting groove (221) of the second mounting block (22); a third mounting groove (1611) is provided on the third mounting block (161), and a third through hole (1612) is provided on the third mounting block (161) that communicates with the third mounting groove (1611) and the first heat dissipation groove (141); The second male plug (162) is arranged on the third mounting block (161) and is located in the third mounting groove (1611); when the third mounting block (161) is located in the first mounting groove (221) of the second mounting block (22), the second male plug (162) cooperates with the first female plug (132) on the box body (11), and the third through hole (1612) is connected to the second through hole (222) on the second mounting block (22); The external joint (163) is arranged on the bottom block (14) and is connected to the second male plug (162).

4. A stacked air-cooled energy storage system according to claim 2, characterized in that: A second heat dissipation groove (151) is provided on the top block (15), and a third heat dissipation hole (152) in communication with the second heat dissipation groove (151) is provided on the side wall of the top block (15); The top block (15) is provided with a blocking assembly (17), the blocking assembly (17) comprising a fourth mounting block (171) and a second female plug (172). The fourth mounting block (171) is arranged on the top block (15); the fourth mounting block (171) is provided with a fourth through hole (1712) in communication with the second heat dissipation slot (151); the fourth through hole (1712) is in communication with the first through hole on the box body (11); the fourth mounting block (171) is provided with a fourth mounting slot (1711) in communication with the fourth through hole (1712); The second female plug (172) is arranged on the fourth mounting block (171) and is located in the fourth mounting groove (1711); the second female plug (172) cooperates with the first male plug (131) on the box body (11).

5. A stacked air-cooled energy storage system according to claim 1, characterized in that: The box body (11) is provided with a support guide assembly (3), the support guide assembly (3) comprising a support square tube (31), a limit guide block (32), a first fixing bolt (33) and a second fixing bolt (34). The supporting square tube (31) is arranged on the box body (11), and one end of the supporting square tube (31) protrudes from the box body (11); a fifth installation groove (311) is provided at the end of the supporting square tube (31) protruding from the box body (11), and a limiting groove (312) is provided at the end of the supporting square tube (31) away from the fifth installation groove (311); One end of the limiting guide block (32) is arranged in the fifth installation groove (311) through the first fixing bolt (33), and the other end of the limiting guide block (32) can enter the limiting groove (312) of the supporting square tube (31) on the adjacent box body (11); The second fixing bolt (34) passes through the supporting square tube (31) and is threadedly connected to the limiting guide block (32) located in the limiting groove (312).

6. A stacked air-cooled energy storage system according to claim 1, characterized in that: The device further comprises a lifting mechanism (4), wherein the lifting mechanism (4) comprises a main body (41), a first connecting block (42), a second connecting block (43), a first clamping block (44), a first reinforcing block (45), a positioning assembly, a lifting assembly (46) and a first adjusting assembly (47). The box body (11), the bottom block (14) and the top block (15) are all provided with a placement groove (112); A receiving groove (411) is formed on the main body (41), and the bottom block (14) is located in the receiving groove (411); and the bottom block (14) is connected to the main body (41) via the positioning assembly; The first connection block (42) is arranged on the main body (41), and the second connection block (43) is slidably arranged on the first connection block (42) through the lifting assembly (46); Two first clamping blocks (44) are provided, and the two first clamping blocks (44) are both slidably arranged on the second connecting block (43); The first adjustment component (47) is arranged on the second connection block (43), and the two first clamping blocks (44) are both connected to the first adjustment component (47); The first reinforcement block (45) is arranged on the first clamping block (44), and the first reinforcement block (45) can be located in the placement groove (112).

7. A stacked air-cooled energy storage system according to claim 6, characterized in that: The first clamping block (44) is provided with a supporting mechanism (5), the supporting mechanism (5) comprising a supporting block (51), a first rotating shaft (52), a first gear (53), a first rack (54), a limiting block (55), a second gear (56), a second rotating shaft (57), a third gear (58) and a second rack (59). The supporting block (51) is slidably disposed on the first clamping block (44); The second connecting block (43) is provided with a first sliding hole (431), the first clamping block (44) is slidably disposed in the first sliding hole (431), and the first rotating shaft (52) is rotatably disposed on the first clamping block (44); The first gear (53) is key-connected to the first rotating shaft (52), the first rack (54) is arranged on the supporting block (51), and the first rack (54) is meshed with the first gear (53); The first connecting block (42) is provided with a first sliding groove (421) and a second sliding groove (422) along its vertical direction, and the first connecting block (42) is provided with a third sliding groove (423) connecting the first sliding groove (421) and the second sliding groove (422); the limiting block (55) is arranged on the first rotating shaft (52), and the limiting block (55) can enter the second sliding groove (422) from the first sliding groove (421) through the third sliding groove (423); the limiting block (55) cannot rotate in the first sliding groove (421) and the third sliding groove (423), and the limiting block (55) can rotate in the second sliding groove (422); The second gear (56) is key-connected to the first rotating shaft (52); The second rotating shaft (57) is rotatably disposed on the first clamping block (44), and the third gear (58) is key-connected to the second rotating shaft (57) and meshes with the second gear (56); The second rack (59) is arranged on the first connecting block (42) and meshes with the third gear (58).

8. A stacked air-cooled energy storage system according to claim 7, characterized in that: The first reinforcing block (45) is slidably disposed on the first clamping block (44), and the first reinforcing block (45) is provided with a first spring (48) connected to the first clamping block (44); The first clamping block (44) is provided with a locking mechanism, the locking mechanism comprising a locking block (61), a second spring (62) and a second adjustment assembly (63). The locking block (61) is slidably disposed on the first clamping block (44), and the second rotating shaft (57) is provided with a locking groove that cooperates with the locking block (61); The second spring (62) connects the locking block (61) and the first clamping block (44); The second adjustment component (63) is arranged on the first clamping block (44), and the locking block (61) and the first reinforcement block (45) are both connected to the second adjustment component (63).

9. A stacked air-cooled energy storage system according to claim 6, characterized in that: The second connecting block (43) is provided with a stabilizing mechanism (7), the stabilizing mechanism (7) comprising a first adjustment block (71), a second adjustment block (72), a third connecting block (73), a second clamping block (74), a second reinforcement block (75), a telescopic block, a first positioning block (76), a second positioning block (77), a third spring (78) and an adjustment assembly (79). The first adjustment block (71) is fixedly arranged on the second connection block (43), and a first groove is formed on the first adjustment block (71); One end of the second adjustment block (72) is slidably disposed in the first groove; The third connecting block (73) is fixedly arranged on the second adjusting block (72); Two second clamping blocks (74) are provided, and the two second clamping blocks (74) are both slidably provided on the third connecting block (73); The second reinforcement block (75) is arranged on the second clamping block (74) and can be located in the placement groove (112); Two telescopic blocks are provided, one of the telescopic blocks is connected to one of the second clamping blocks (74) and one of the first clamping blocks (44); The first positioning block (76) is slidably disposed on the third connecting block (73), and the first connecting block (42) is provided with a positioning groove (424) for engaging with the first positioning block (76); The second adjustment block (72) is provided with a second groove (721), the second positioning block (77) is slidably arranged in the second groove (721), the first adjustment block (71) is provided with a positioning hole connected to the first groove, and the second positioning block (77) can be engaged with the positioning hole; The third spring (78) connects the second positioning block (77) and the second adjustment block (72); The adjustment component (79) is arranged on the first adjustment block (71), and the first positioning block (76) and the second positioning block (77) are both connected to the adjustment component (79).

10. A stacked air-cooled energy storage system according to claim 6, characterized in that: The first connecting block (42) is provided with a transfer mechanism (8), the transfer mechanism (8) comprising a fourth connecting block (81), a third clamping block (82), a sliding block (83), a transfer block (84), a third reinforcing block (85), a third adjustment component (86), a fourth adjustment component (87) and a fifth adjustment component (88). The fourth connecting block (81) is slidably arranged on the first connecting block (42) via the third adjusting assembly (86); Two third clamping blocks (82) are provided, and both of the two third clamping blocks (82) are slidably arranged on the fourth connecting block (81) via the fourth adjustment assembly (87); The third clamping block (82) is provided with a fourth sliding groove (821), and the sliding block (83) is slidably disposed in the fourth sliding groove (821); The transfer block (84) is arranged on the slide block (83); The third reinforcement block (85) is arranged on the transfer block (84) and can be located in the placement groove (112); The fifth adjustment component (88) is arranged on the fourth connection block (81), and the sliding block (83) is connected to the fifth adjustment component (88).

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