Battery module structure and energy storage power supply

Abstract

The invention provides a battery module structure and an energy storage power supply. The battery module structure comprises a horizontal module, two side end plates and a screw rod piece, the horizontal module comprises a battery monomer and two side brackets, the two side brackets are respectively a first side bracket and a second side bracket, the two side brackets are oppositely arranged, and two ends of the battery monomer are respectively embedded in the two side brackets; the first side support is provided with a first via hole, and the second side support is provided with a second via hole. The locking parts of the two side end plates abut against the sides, away from the battery single bodies, of the corresponding side supports respectively, and the supporting parts of the two side end plates are used for jointly supporting the mounting frame, so that a ventilation gap exists between the mounting frame and the horizontal module. And the screw rod piece sequentially penetrates through the third through hole of the locking part of the first side end plate, the first through hole, the second through hole and the third through hole of the locking part of the second side end plate, so that the height of the battery module is greatly reduced, ventilation and heat dissipation of the battery module are facilitated, and the ventilation and heat dissipation effects of the battery module are improved.

Description

Technical Field

[0001] The present disclosure relates to the technical field of new energy, and in particular to a battery module structure and an energy storage power supply. Background Art

[0002] The battery module is the core component of the energy storage power supply, and the cost of the battery module accounts for a large proportion of the entire energy storage power supply. In order to improve the cost performance of the battery module, it is particularly important to simplify the assembly of the battery module. The energy storage power supply of the related technology, such as CN116782540A, simplifies the assembly of the battery module, but the height of the battery module is relatively large, which is not conducive to the development of the energy storage power supply towards a low-profile design, and the ventilation and heat dissipation effect of the battery module is poor. Summary of the invention

[0003] The purpose of the present invention is to overcome the deficiencies in the prior art and to provide a battery module structure and an energy storage power supply that are simpler to assemble, lower in height, and have better ventilation and heat dissipation effects.

[0004] The purpose of this disclosure is achieved through the following technical solutions: A battery module structure, comprising: A horizontal module, comprising a battery cell and two side brackets, wherein the two side brackets are respectively a first side bracket and a second side bracket, the two side brackets are arranged opposite to each other, and the two ends of the battery cell are respectively embedded in the two side brackets; the first side bracket is provided with a first through hole, and the second side bracket is provided with a second through hole; Two side end plates, respectively a first side end plate and a second side end plate, the first side end plate is located on the side of the first side bracket away from the second side bracket, the second side end plate is located on the side of the second side bracket away from the first side bracket, each of the side end plates comprises a fixing portion, a locking portion and a supporting portion connected in sequence, the fixing portion is used to be connected to the bottom shell, the locking portion is provided with a third through hole, the locking portions of the two side end plates are respectively abutted against the side of the corresponding side bracket away from the battery monomer, and the supporting portions of the two side end plates are used to jointly support and fix to the mounting frame, so that there is a ventilation gap between the mounting frame and the horizontal module; A screw member is sequentially inserted into the third through hole of the locking portion of the first side end plate, the first through hole, the second through hole, and the third through hole of the locking portion of the second side end plate.

[0005] In one embodiment, the fixing portion, the locking portion and the supporting portion are an integrally formed structure.

[0006] In one embodiment, a first bending area is formed at a connection between the fixing portion and the locking portion, and a second bending area is formed at a connection between the locking portion and the supporting portion.

[0007] In one embodiment, the first bending area and the second bending area are both located on the same side of the locking portion.

[0008] In one embodiment, the first bending area and the second bending area are both located on a side of the side end plate facing away from the corresponding side bracket.

[0009] In one embodiment, each of the side end plates is provided with a lower hollow groove; and / or, Each of the side end plates is provided with an upper hollow groove, and the upper hollow groove extends to the end of the support portion away from the locking portion.

[0010] In one embodiment, the battery module structure further includes two insulating plates, the two insulating plates are respectively a first insulating plate and a second insulating plate, each of the insulating plates is respectively abutted between the corresponding side end plate and the corresponding side bracket, the first insulating plate is provided with a fourth through hole, the second insulating plate is provided with a fifth through hole, the screw member is sequentially passed through the third through hole of the locking portion of the first side end plate, the fourth through hole, the first through hole, the second through hole, the fifth through hole and the third through hole of the locking portion of the second side end plate; and / or, The distance between the support portion and the fixing surface of the fixing portion is a first distance, the distance between the top surface of the side bracket and the fixing surface of the fixing portion is a second distance, and the first distance is greater than the second distance.

[0011] A power storage power source comprises a housing, a mounting frame, a control board and a battery module structure as described in any one of the above embodiments; the fixing portion is connected to the bottom shell of the housing, and the supporting portions of the two side end plates are jointly supported on the mounting frame; the control board is fixed on the mounting frame.

[0012] In one embodiment, the battery module structure further includes a first buffer member, the first buffer member is located between the bottom shell and each of the side brackets, and the first buffer member abuts against the bottom shell and the side bracket respectively; and / or, The battery module structure further includes a second buffer member, the second buffer member is located between the mounting frame and each of the side brackets, and the second buffer member abuts against the mounting frame and each of the side brackets respectively; and / or, A first reverse rivet nut is protruded on a side of the second side end plate away from the first side end plate, the first reverse rivet nut is provided with a first screw hole connected to the third through hole, and the screw member is also screwed to the first reverse rivet nut through the third through hole of the second side end plate; and / or, The battery module structure further comprises at least two locking accessories, each of the side end plates is provided with a second screw hole, the mounting frame is provided with at least two locking through holes, and each of the locking accessories is screwed into the second screw hole through the corresponding locking through hole; and / or, A limiting folded edge is convexly provided on the supporting portion of each of the side end plates, and the mounting frame is provided with at least two limiting holes, and the limiting folded edge of each of the side end plates is inserted into the corresponding limiting hole.

[0013] In one embodiment, the control board includes a BMS board and an inverter module, the BMS board is fixedly connected to a side of the mounting frame away from the horizontal module, the inverter module is insulated and connected to the BMS board, and the inverter module is located on a side of the BMS board away from the mounting frame; and / or, The battery module structure also includes a heat dissipation component, and the heat dissipation component is fixedly mounted on the mounting frame.

[0014] Compared with the prior art, the present invention has at least the following advantages: 1) The battery module structure mentioned above includes a horizontal module, two side brackets are arranged opposite to each other, and the two ends of the battery cell are respectively embedded in the two side brackets, so that the horizontal module can be placed horizontally in the shell; during assembly, the first side end plate is located on the side of the first side end plate away from the second side end plate, and the second side end plate is located on the side of the second side end plate away from the first side end plate, and the screw rod is sequentially penetrated through the third through hole, the first through hole, the second through hole and the third through hole of the locking part of the first side end plate, that is, the first side end plate, the first side bracket, the second side bracket and the second side end plate are sequentially locked and assembled and fixed by the screw rod, so that the battery cell is fixed between the two side brackets, which greatly reduces the height of the battery module, which is conducive to the development of energy storage power supply towards low-profile design; 2) Since each side end plate includes a fixing portion, a locking portion and a supporting portion connected in sequence, the fixing portion is connected to the bottom shell, and the locking portions of the two side end plates are respectively abutted against the side of the corresponding side bracket away from the battery cell, that is, the locking portions of the two side end plates are respectively abutted against the two sides of the horizontal module, and the supporting portions of the two side end plates are jointly supported on the mounting frame, so that the mounting frame is located above the horizontal module, and there is a ventilation gap between the mounting frame and the horizontal module, which is beneficial to the ventilation and heat dissipation of the battery module, that is, the ventilation and heat dissipation effect of the battery module is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present disclosure and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 Schematic diagram of an energy storage power supply for an embodiment; Figure 2 is Figure 1 Explosion schematic diagram of the energy storage power supply shown; Figure 3 is Figure 2 Partial structure schematic diagram of the energy storage power supply shown; Figure 4 is Figure 3 Schematic diagram of the battery module structure of the energy storage power supply shown; Figure 5 is Figure 4 Explosion schematic diagram of the battery module structure shown; Figure 6 is Figure 5 Schematic diagram of the horizontal module of the battery module structure shown; Figure 7 is Figure 6 Schematic diagram of the side bracket of the horizontal module shown; Figure 8 is Figure 7 Schematic diagram of another perspective of the side bracket shown; Figure 9 is Figure 5 Schematic diagram of the first side end plate of the battery module structure shown; Figure 10 is Figure 5 Schematic diagram of the second side end plate of the battery module structure shown; Figure 11 is Figure 3 Schematic diagram of the mounting bracket of the energy storage power supply shown; Figure 12 is Figure 3 Explosion schematic diagram of the energy storage power supply shown; Figure 13 is Figure 3 Another explosion schematic diagram of the energy storage power supply shown; Figure 14 is Figure 13 Explosion diagram of the BMS board of the energy storage power supply shown. Detailed implementation manners

[0017] To facilitate the understanding of the present disclosure, the present disclosure will be described more comprehensively below with reference to the relevant drawings. Preferred embodiments of the present disclosure are shown in the drawings. However, the present disclosure can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present disclosure can be understood more thoroughly and comprehensively.

[0018] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0019] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present disclosure belongs. The terms used herein in the specification of the present disclosure are only for the purpose of describing specific embodiments and are not intended to limit the present disclosure. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0020] The present disclosure provides a battery module structure, comprising a horizontal module, two side end plates and a screw member; and / or, the horizontal module comprises a battery cell and two side brackets; and / or, the two side brackets are respectively a first side bracket and a second side bracket; and / or, the two side brackets are arranged opposite to each other, and the two ends of the battery cell are respectively embedded in the two side brackets; and / or, the first side bracket is provided with a first through hole; and / or, the second side bracket is provided with a second through hole; and / or, the two side end plates are respectively a first side end plate and a second side end plate; and / or, the first side end plate is located on the side of the first side bracket away from the second side bracket; and / or, the second side end plate is located on the second side The bracket faces away from the side of the first side bracket; and / or, each of the side end plates includes a fixing portion, a locking portion and a supporting portion connected in sequence; and / or, the fixing portion is used to be connected to the bottom shell; and / or, the locking portion is provided with a third through hole; and / or, the locking portions of the two side end plates are respectively abutted against the side of the corresponding side bracket facing away from the battery cell; and / or, the supporting portions of the two side end plates are used to jointly support and fix to the mounting frame, so that there is a ventilation gap between the mounting frame and the horizontal module; and / or, the screw member is sequentially penetrated through the third through hole of the locking portion of the first side end plate, the first through hole, the second through hole and the third through hole of the locking portion of the second side end plate.

[0021] The above-mentioned battery module structure includes a horizontal module, two side brackets are arranged opposite to each other, and the two ends of the battery cell are respectively embedded in the two side brackets, so that the horizontal module can be placed horizontally in the shell; during assembly, the first side end plate is located on the side of the first side end plate away from the second side end plate, and the second side end plate is located on the side of the second side end plate away from the first side end plate, and the screw rod is sequentially penetrated through the third through hole, the first through hole, the second through hole and the third through hole of the locking part of the first side end plate, that is, the first side end plate, the first side bracket, the second side bracket and the second side end plate are sequentially locked and assembled and fixed by the screw rod, so that the battery cell is fixed. Between the two side brackets, the height of the battery module is greatly reduced, which is conducive to the development of the energy storage power supply towards a low-profile design; since each side end plate includes a fixing portion, a locking portion and a supporting portion connected in sequence, the fixing portion is connected to the bottom shell, and the locking portions of the two side end plates are respectively abutted against the side of the corresponding side bracket away from the battery cell, that is, the locking portions of the two side end plates are respectively abutted against the two sides of the horizontal module, and the supporting portions of the two side end plates are jointly supported on the mounting frame, so that the mounting frame is located above the horizontal module, and there is a ventilation gap between the mounting frame and the horizontal module, which is conducive to ventilation and heat dissipation of the battery module, that is, the ventilation and heat dissipation effect of the battery module is improved.

[0022] In order to better understand the technical solutions and beneficial effects of the present invention, the present invention is further described in detail below in conjunction with specific embodiments: like Figures 1 to 5 As shown, an energy storage power supply 10 of an embodiment includes a housing 100, a mounting frame 200, a control board 300 and a battery module structure 400. The battery module structure 400 includes a horizontal module 410, two side end plates 420 and a screw member 430; the two side end plates 420 are respectively a first side end plate 420a and a second side end plate 420b, and the horizontal module 410 is arranged between the first side end plate 420a and the second side end plate 420b. In one embodiment, the horizontal module 410 includes a battery cell 412 and two side brackets 414, the two side brackets 414 are respectively a first side bracket 414a and a second side bracket 414b, the two side brackets 414 are arranged opposite to each other, and the two ends of the battery cell 412 are respectively embedded in the two side brackets 414; the first side end plate 420a is located on the side of the first side bracket 414a away from the second side bracket 414b, and the second side end plate 420b is located on the side of the second side bracket 414b away from the first side bracket 414a.

[0023] See also Figure 5 , Figure 6 , Figure 7 and Figure 8 Further, the first side bracket 414a is provided with a first through hole 4142, and the second side bracket 414b is provided with a second through hole 4144. Figure 4, each of the side end plates 420 includes a fixing portion 421, a locking portion 423, and a supporting portion 425 that are sequentially connected. The fixing portion 421 is connected to the bottom case 110 of the housing 100. The locking portion 423 is provided with a third through hole 4232. The locking portions 423 of the two side end plates 420 respectively abut against one side of the corresponding side bracket 414 away from the battery cell 412. The supporting portions 425 of the two side end plates 420 jointly support and fix to the mounting bracket 200, so that there is a ventilation gap between the mounting bracket 200 and the horizontal module 410, improving the heat dissipation effect of the battery module and realizing the fixed support of the mounting bracket 200 at the same time.

[0024] In one embodiment, the screw member 430 sequentially passes through the third through hole 4232 of the locking portion 423 of the first side end plate 420a, the first through hole 4142, the second through hole 4144, and the third through hole 4232 of the locking portion 423 of the second side end plate 420b, so that the locking portion 423 of the first side end plate 420a, the first side bracket 414a, the battery cell 412, the second side bracket 414b, and the locking portion 423 of the second side end plate 420b are fixedly connected into one body by the screw member 430, and at the same time, both ends of the battery cell 412 are reliably embedded in the two side brackets 414. The control board 300 is fixed to the mounting bracket 200.

[0025] In this embodiment, each side end plate 420 is not only connected to the bottom case 110 to realize the fixed installation of the battery module structure 400, but also realizes the locking and fixing of the horizontal module 410 through the screw member 430, and supports and fixes to the mounting bracket 200 to realize the support and fixing of the control board 300, simplifying the assembly of the battery module, that is, improving the simplicity of the assembly of the energy storage power supply 10, reducing the height of the battery module, and improving the heat dissipation effect of the battery module.

[0026] The energy storage power source 10 and its battery module structure 400 include a horizontal module 410, two side brackets 414 are arranged opposite to each other, and the two ends of the battery cell 412 are respectively embedded in the two side brackets 414, so that the horizontal module 410 can be placed horizontally in the housing 100; when assembled, the first side end plate 420a is located on the side of the first side end plate 420a away from the second side end plate 420b, and the second side end plate 420b is located on the second side end plate 420a. 0b is away from the first side end plate 420a, and the screw member 430 is sequentially penetrated through the third through hole 4232, the first through hole 4142, the second through hole 4144 of the locking portion 423 of the first side end plate 420a, and the third through hole 4232 of the locking portion 423 of the second side end plate 420b, that is, the first side end plate 420a, the first side bracket 414a, the second side bracket 414b, and the second side end plate 420b are connected by the screw member 430. b. The battery cells 412 are fixed between the two side brackets 414 in sequence, which greatly reduces the height of the battery module and is conducive to the development of the energy storage power supply 10 towards a low-profile design. Since each side end plate 420 includes a fixing portion 421, a locking portion 423 and a supporting portion 425 connected in sequence, the fixing portion 421 is connected to the bottom shell 110, and the locking portions 423 of the two side end plates 420 are respectively abutted against the side of the corresponding side bracket 414 away from the battery cell 412, that is, the locking portions 423 of the two side end plates 420 are respectively abutted against the two sides of the horizontal module 410, and the supporting portions 425 of the two side end plates 420 are jointly supported on the mounting frame 200, so that the mounting frame 200 is located above the horizontal module 410, and there is a ventilation gap between the mounting frame 200 and the horizontal module 410, which is conducive to ventilation and heat dissipation of the battery module, that is, the ventilation and heat dissipation effect of the battery module is improved.

[0027] like Figure 1 and Figure 2As shown, in one embodiment, the housing 100 includes a bottom case 110, a front case 120, a rear case 130, a left side case 140, a right side case 150, and a top cover 160. The top cover 160 is respectively connected to the rear case 130, the left side case 140, and the right side case 150, and the rear case 130, the left side case 140, the right side case 150, and the top cover 160 are of an integrally formed structure. The top cover 160, the left side case 140, and the right side case 150 are all connected to the front case 120, and the front case 120, the left side case 140, the rear case 130, and the right side case 150 are all connected to the bottom case 110, so that the top cover 160, the front case 120, the left side case, the bottom case 110, the rear case 130, and the right side case 150 jointly enclose a receiving chamber, and the battery module structure 400 is located in the receiving chamber and fixedly connected to the bottom case 110. In this embodiment, the front case 120, the rear case 130, the left side case 140, and the right side case 150 are all snap-connected to the bottom case 110, and the rear case 130, the left side case 140, and the right side case 150 are all snap-connected to the front case 120. The housing 100 further includes a vertical lock 170. The bottom case 110 is provided with a fixing hole 112 that penetrates through the bottom case 110, and the top cover 160 is embedded with a locking nut 162. The vertical lock 170 is screwed to the locking nut 162 through the fixing hole 112, so that the rear case 130, the left side case 140, the front case 120, the bottom case 110, and the right side case 150 are reliably fixed together.

[0028] As Figures 6 to 8 shown, further, the first side bracket 414a is provided with a first embedding groove 4141, the second side bracket 414b is provided with a second embedding groove (not shown in the figure), and both ends of the battery cell 412 are respectively located in the first embedding groove and the second embedding groove, so that both ends of the battery cell are respectively embedded in the first side bracket and the second side bracket.

[0029] As Figure 5 and Figure 9 shown, in one of the embodiments, the fixing portion 421, the locking portion 423, and the supporting portion 425 are of an integrally formed structure, so that the fixing portion 421, the locking portion 423, and the supporting portion 425 are firmly connected, and at the same time, the structure of the side end plate 420 is relatively compact. In this embodiment, the fixing portion 421, the locking portion 423, and the supporting portion 425 are of an integrally stamped and formed structure, so that the side end plate 420 is easily manufactured and formed, and at the same time, the structure of the side end plate 420 is relatively compact and simple. It can be understood that in other embodiments, the fixing portion 421, the locking portion 423, and the supporting portion 425 are not limited to an integrally stamped and formed structure. For example, the fixing portion 421, the locking portion 423, and the supporting portion 425 are respectively formed and fixed together by welding.

[0030] As Figure 5 and Figure 9As shown, in one embodiment, a first bending area 4212 is formed at the connection between the fixing portion 421 and the locking portion 423, and a second bending area 4251 is formed at the connection between the locking portion 423 and the supporting portion 425, so that the side end plate 420 has better supporting strength, while making the overall height of the side end plate 420 lower, and making the fixing portion 421 better fixedly connected to the bottom shell 110, and the supporting portion 425 better supported and fixed to the mounting frame 200.

[0031] like Figure 5 and Figure 9 As shown, in one embodiment, the first bending area 4212 and the second bending area 4251 are both located on the same side of the locking portion 423, so that the structure of the side end plate 420 is more compact. In this embodiment, the first bending area 4212 and the second bending area 4251 are both located on the side of the side end plate 420 away from the corresponding side bracket 414, so as to avoid the situation where there is assembly interference between the side end plate 420 and the horizontal module 410, so that the horizontal module 410 can be better locked and fixed between the two side end plates 420, and the side end plate 420 can be better fixedly connected to the bottom shell 110.

[0032] like Figure 5 and Figure 9 As shown, in one embodiment, each of the side end plates 420 is provided with a lower hollow groove 426, which reduces the weight of the side end plate 420 and allows the battery module structure 400 to be better ventilated and heat-dissipated; and / or, in one embodiment, each of the side end plates 420 is provided with an upper hollow groove 427, which extends to the end of the support portion 425 away from the locking portion 423, reduces the weight of the side end plate 420, allows the battery module structure 400 to be better ventilated and heat-dissipated, and facilitates the processing and forming of the upper hollow groove 427. In this embodiment, the lower hollow groove 426 is connected to the first bending area 4212, reducing the stress generated by the molding of the first bending area 4212. The upper hollow groove 427 is connected to the second bending area 4251, reducing the stress generated by the molding of the second bending area 4251.

[0033] like Figure 5 and Figure 9As shown, in one embodiment, the battery module structure 400 further includes two insulating plates 440, which are respectively a first insulating plate 440a and a second insulating plate 440b. Each insulating plate 440 is respectively abutted between the corresponding side end plate 420 and the corresponding side bracket 414. The first insulating plate 440a is provided with a fourth through hole 4402, and the second insulating plate 440b is provided with a fifth through hole 4404. The screw member 430 sequentially passes through the third through hole 4232 of the locking portion 423 of the first side end plate 420a, the fourth through hole 4402, the first through hole 4142, the second through hole 4144, the fifth through hole 4404, and the third through hole 4232 of the locking portion 423 of the second side end plate 420b, so that each insulating plate 440 is locked and fixed between the corresponding side end plate 420 and the corresponding side bracket 414 by the screw member 430. At the same time, each side end plate 420 and the corresponding side bracket 414 are insulated and abutted and fixed together. In this embodiment, each insulating plate 440 is an epoxy board or a phenolic resin board. And / or, Also refer to Figure 3 and Figure 4 , in one embodiment, the distance between the supporting portion 425 and the fixing surface of the fixing portion 421 is a first distance H1, and the distance between the top surface of the side bracket 414 and the fixing surface of the fixing portion 421 is a second distance H2. The first distance H1 is greater than the second distance H2, so that the supporting portion 425 is arranged higher than the side bracket 414, ensuring that there is a ventilation gap between the mounting frame 200 and the horizontal module 410. In this embodiment, the fixing surface of the fixing portion 421 is the part where the fixing portion 421 is fixedly connected to the bottom case 110, and the fixing surface of the fixing portion 421 is a planar structure.

[0034] Also refer to Figure 3 and Figure 4 , in one embodiment, the battery module structure 400 further includes a first buffer member 450. The first buffer member 450 is located between the bottom case 110 and each side bracket 414. The first buffer member 450 is respectively abutted against the bottom case 110 and the side bracket 414, so that there is better buffer performance between the side bracket 414 and the bottom case 110 to better protect the horizontal module 410. In this embodiment, the first buffer member 450 is buffer cotton, and the first buffer member 450 extends to the outer peripheral wall of the battery cell 412 adjacent to the bottom case 110. And / or, Also refer to Figure 3 and Figure 4, in one embodiment, the battery module structure 400 further includes a second buffer member 460. The second buffer member 460 is located between the mounting frame 200 and each of the side brackets 414. The second buffer member 460 abuts against the mounting frame 200 and each of the side brackets 414 respectively, so that there is good buffering performance between the side bracket 414 and the mounting frame 200, in order to better protect the horizontal module 410; in this embodiment, the second buffer member 460 is buffer cotton, and the second buffer member 460 extends to the outer peripheral wall of the battery cell 412 adjacent to the mounting frame 200. And / or, As Figure 5 and Figure 10 shown, further, a first reverse riveting nut 4201 protrudes from the side of the second side end plate 420b facing away from the first side end plate 420a. The first reverse riveting nut 4201 is provided with a first screw hole 4202 communicating with the third through hole 4232. The screw member 430 is also screwed to the first reverse riveting nut 4201 through the third through hole 4232 of the second side end plate 420b, so that the screw member 430 can reliably lock and fix the horizontal module 410. It can be understood that in other embodiments, the first reverse riveting nut 4201 can be omitted, and the third through hole 4232 is a screw hole, so as to lock and fix the horizontal module 410 through the screw member 430. And / or, As Figure 9 、 Figure 10 and Figure 11 shown, in one embodiment, the battery module structure 400 further includes at least two locking members 470. Each side end plate 420 is provided with a second screw hole 428, and the mounting frame 200 is provided with at least two locking through holes 201. Each locking member 470 is screwed into the second screw hole 428 through the corresponding locking through hole 201, so that the mounting frame 200 is detachably connected to the two side end plates 420, and further the two side end plates 420 are reliably supported and fixed on the mounting frame 200; in this embodiment, a second reverse riveting nut 4203 protrudes from the side of each side end plate 420 facing away from the mounting frame 200, and the second screw hole 428 is opened in the second reverse riveting nut 4203, so that each locking member 470 is reliably screwed into the second screw hole through the corresponding locking through hole 201. It can be understood that in other embodiments, there is no need to protrude the second reverse riveting nut 4203, and the second screw hole is directly opened on the side end plate 420. Specifically, each locking member 470 is a screw or a bolt. And / or, As Figure 9 、 Figure 10 and Figure 11As shown, in one of the embodiments, a limiting flange 4252 is convexly provided on the supporting portion 425 of each of the side end plates 420. The mounting bracket 200 is provided with at least two limiting holes 203. The limiting flange 4252 of each side end plate 420 is inserted into the corresponding limiting hole 203, so that the mounting bracket 200 is reliably positioned and assembled with the two side end plates 420 respectively. In this embodiment, at least one limiting hole 203 is respectively provided at both ends of the mounting bracket 200 in the length direction, so that the mounting bracket 200 is reliably positioned and assembled with the two side end plates 420 along the length direction respectively. Specifically, two limiting holes 203 are respectively provided at both ends of the mounting bracket 200 in the length direction, and two limiting flanges 4252 are convexly provided on the supporting portion 425 of each side end plate 420, so that the mounting bracket 200 is better reliably positioned and assembled with the two side end plates 420 along the length direction respectively.

[0035] As Figure 4 , Figure 5 , Figure 11 and Figure 12 As shown, further, first bending flanges 202 and second bending flanges 204 which are oppositely arranged are respectively formed at both ends of the mounting bracket 200 in the width direction. The first bending flange 202 and the second bending flange 204 both extend towards the direction close to the horizontal module 410. The first bending flange 202 and the second bending flange 204 respectively abut against both sides of the side bracket 414 of the horizontal module 410, so that the mounting bracket 200 limits the horizontal module 410 in the width direction of the horizontal module 410. Coupled with the two side end plates 420 limiting the horizontal module 410 in the length direction of the horizontal module 410, in this way, the mounting bracket 200 and the two side end plates 420 jointly act to reliably assemble and limit the horizontal module 410. In this embodiment, the first bending flange 202, the second bending flange 204 and the mounting bracket 200 are of an integrally stamped and formed structure, so that the first bending flange 202, the second bending flange 204 and the mounting bracket 200 are reliably connected. At the same time, the components of the energy storage power supply 10 are fewer, that is, the structure of the energy storage power supply 10 is more compact.

[0036] As Figure 4 , Figure 5 and Figure 12 As shown, further, positioning grooves 206 are respectively provided at both ends of the mounting bracket 200. A positioning boss 441 is convexly provided on the top of each insulating plate 440, so that the positioning boss 441 of each insulating plate 440 is located in the corresponding positioning groove 206, realizing the quick positioning and assembly of the mounting bracket 200.

[0037] As Figure 11 and Figure 12As shown, further, the mounting frame 200 is provided with a heat dissipation hole 209 connected to the ventilation gap, and the heat dissipation hole 209 is arranged corresponding to the battery cell 412 of the horizontal module 410, which reduces the weight of the mounting frame 200 and further improves the ventilation and heat dissipation effect of the battery module.

[0038] like Figure 3 and Figure 12 As shown, further, each side end plate 420 is provided with a locking waist hole 429 connected to the second screw hole 428, so that the side end plate 420 can adapt to the locking and fixing of mounting frames 200 of different sizes, thereby improving the assembly compatibility of the side end plate 420. In this embodiment, the first reverse rivet nut 4201 adjusts the position of riveting to the side end plate 420 according to the locking and fixing requirements of mounting frames 200 of different sizes, thereby reducing the manufacturing cost of the side end plate 420.

[0039] like Figure 3 and Figure 12 As shown, in one embodiment, the control board 300 includes a BMS (Battery Management System) board 310 and an inverter module 320, the BMS board 310 is fixedly connected to the side of the mounting frame 200 away from the horizontal module 410, the inverter module 320 is insulated and connected to the BMS board 310, and the inverter module 320 is located on the side of the BMS board 310 away from the mounting frame 200, so as to achieve the installation and fixation of the BMS board 310 and the inverter module 320. And / or, in one embodiment, the battery module structure 400 also includes a heat dissipation component 480, which is fixedly mounted on the mounting frame 200 to dissipate heat for the BMS board 310 and the inverter module 320. In this embodiment, the heat dissipation assembly 480 includes a first heat dissipation fan 481 and a second heat dissipation fan 482 , both of which are installed on the mounting frame 200 , and the BMS board 310 and the inverter module 320 are both located between the first heat dissipation fan 481 and the second heat dissipation fan 482 .

[0040] like Figure 3 , Figure 11 and Figure 12As shown, in one embodiment, on one side of the mounting bracket 200 adjacent to the BMS board 310, a first fixing post 210 and a second fixing post 220 protrude. The height of the first fixing post 210 is less than the height of the second fixing post 220. The control board 300 further includes an inverter insulating gasket 350. The inverter insulating gasket 350 is located between the BMS board 310 and the inverter module 320. The first fixing post 210 is supported and fixed on the BMS board 310. The inverter insulating gasket 350 is provided with an insulating through hole 331. The second fixing post 220 is supported and fixed on the inverter module 320 through the insulating through hole, so that the inverter module 320 and the BMS board 310 are relatively insulated and mounted on the mounting bracket 200.

[0041] As Figure 3 , Figure 11 and Figure 12 shown, further, the control board 300 further includes a first fixing member (not shown in the figure). The BMS board 310 is provided with a through hole 312. The first fixing post 210 is provided with a first threaded hole 212. The first fixing member is screwed into the first threaded hole 212 through the through hole 312, so that the BMS board 310 is fixed to the first fixing post 210. Further, the control board 300 further includes a second fixing member 330. The inverter module 320 is provided with a positioning hole 322. The second fixing post 220 is provided with a second threaded hole 222 communicating with the positioning hole 322. The second fixing member 330 is screwed into the second threaded hole 222 through the positioning hole 322, so that the inverter module 320 is fixed to the second fixing post 220.

[0042] As Figure 3 , Figure 11 , Figure 12 and Figure 13As shown, further, the control board 300 further includes a support column 340. The support column 340 is connected to the side of the BMS board 310 facing away from the mounting bracket 200. The support column 340 abuts against the inverter insulating gasket 350. The inverter insulating gasket 350 is provided with a connection through hole 351 and an avoidance through hole 352. The second fixing member 330 passes through the connection through hole 351, so that the second fixing member 330 is screwed into the second threaded hole 222 through the positioning hole 322. The support column 340 is also electrically connected to the inverter module 320 through the avoidance through hole 352, so that the BMS board 310 is electrically connected to the inverter module 320, and at the same time, a predetermined height exists between the inverter insulating gaskets 350. In this embodiment, the support column 340 includes an insulating sleeve 341 and a nut column 343. The insulating sleeve 341 is sleeved on the nut column 343. The insulating sleeve 341 abuts against the inverter insulating gasket 350 and the BMS board 310 respectively. The BMS board 310 is provided with a first conductive hole 313, and the inverter module 320 is provided with a second conductive hole (not shown in the figure). The two ends of the nut column 343 are respectively located in the first conductive hole 313 and the second conductive hole, so that the nut column 343 is electrically connected to the BMS board 310 and the inverter module 320 respectively.

[0043] As Figure 5 , Figure 6 , Figure 12 , Figure 13 and Figure 14As shown, further, the horizontal module 410 further includes a positive connection aluminum sheet 416 and a negative connection aluminum sheet 417, both of which are disposed on the first side bracket 414a; the number of battery cells 412 is multiple, and the multiple battery cells 412 are arranged side by side. The two ends of each battery cell 412 are respectively embedded in the two side brackets 414. The positive electrodes of the multiple battery cells 412 are all electrically connected to the positive connection aluminum sheet 416, and the negative electrodes of the multiple battery cells 412 are all electrically connected to the negative connection aluminum sheet 417; both the positive connection aluminum sheet 416 and the negative connection aluminum sheet 417 are electrically connected to the BMS board 310. In this embodiment, both the positive connection aluminum sheet 416 and the negative connection aluminum sheet 417 are aluminum sheets, replacing the nickel sheets in the prior art, with lower costs. Moreover, the battery module structure 400 is locked and fixed by two side end plates 420 and screw members 430, and each side end plate 420 is fixedly connected to the bottom case 110, and the overall assembly structure is relatively simple and light in weight. Further, the BMS board 310 is provided with a positive reverse riveting terminal 314 and a negative reverse riveting terminal 315. The positive connection aluminum sheet 416 is locked to the positive reverse riveting terminal 314 through a first positioning member 413, and the negative connection aluminum sheet 417 is locked to the negative reverse riveting terminal 315 through a second positioning member 415. Specifically, both the first positioning member and the second positioning member are bolts or studs. The positive reverse riveting terminal 314 and the negative reverse riveting terminal 315 are both provided with locking screw holes 316, and the positive connection aluminum sheet 416 and the negative connection aluminum sheet 417 are both provided with installation through holes 418. The first positioning member and the second positioning member are screwed into the corresponding locking screw holes 316 through the corresponding installation through holes.

[0044] As Figure 2 and Figure 3 shown, further, the fixing part 421 is detachably connected to the bottom case 110. In this embodiment, the fixing part 421 is provided with a fixing through hole 4213, and the bottom case 110 is provided with a locking hole communicating with the fixing through hole 4213. The energy storage power supply 10 further includes a locking member 500. The locking member 500 is screwed into the locking hole (not shown in the figure) through the fixing through hole 4213, so that the fixing part 421 is detachably connected to the bottom case 110. Specifically, the locking member is a bolt or a screw.

[0045] As Figure 2 and Figure 3 shown, further, the connection position between the fixing part 421 and the bottom case 110 is adjustable, so that the distance between the two side end plates 420 is adjustable, and further the two side end plates 420 can be adapted to horizontal modules 410 of different sizes. In this embodiment, the fixing through hole 4213 is an oblong hole, so that the connection position between the fixing part 421 and the bottom case 110 is adjustable.

[0046] Compared with the prior art, the present disclosure has at least the following advantages: 1) The battery module structure 400 includes a horizontal module 410, two side brackets 414 are arranged opposite to each other, and the two ends of the battery cell 412 are respectively embedded in the two side brackets 414, so that the horizontal module 410 can be placed horizontally in the housing 100; during assembly, the first side end plate 420a is located on the side of the first side end plate 420a away from the second side end plate 420b, and the second side end plate 420b is located on the side of the second side end plate 420b away from the first side end plate 420a, and the screw member 430 is sequentially penetrated through the first side end plate 420a and the second side end plate 420b is located on the side of the second side end plate 420b away from the first side end plate 420a. The third through hole 4232 of the locking portion 423 of the second side end plate 420a, the first through hole 4142, the second through hole 4144 and the third through hole 4232 of the locking portion 423 of the second side end plate 420b, that is, the first side end plate 420a, the first side bracket 414a, the second side bracket 414b and the second side end plate 420b are sequentially locked and assembled and fixed by the screw member 430, so that the battery cell 412 is fixed between the two side brackets 414, which greatly reduces the height of the battery module, which is conducive to the development of the energy storage power supply 10 towards a low-profile design; 2) Since each side end plate 420 includes a fixing portion 421, a locking portion 423 and a supporting portion 425 connected in sequence, the fixing portion 421 is connected to the bottom shell 110, and the locking portions 423 of the two side end plates 420 are respectively abutted against the side of the corresponding side bracket 414 away from the battery cell 412, that is, the locking portions 423 of the two side end plates 420 are respectively abutted against the two sides of the horizontal module 410, and the supporting portions 425 of the two side end plates 420 are jointly supported on the mounting frame 200, so that the mounting frame 200 is located above the horizontal module 410, and there is a ventilation gap between the mounting frame 200 and the horizontal module 410, which is beneficial to the ventilation and heat dissipation of the battery module, that is, the ventilation and heat dissipation effect of the battery module is improved.

[0047] The above-described embodiments only express several implementation methods of the present disclosure, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the present disclosure. It should be pointed out that, for a person of ordinary skill in the art, several modifications and improvements can be made without departing from the concept of the present disclosure, and these all belong to the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the attached claims.

Claims

1. A battery module structure (400), characterized in that, include: A horizontal module (410) comprises a battery cell (412) and two side brackets (414), the two side brackets (414) being respectively a first side bracket (414a) and a second side bracket (414b), the two side brackets (414) being arranged opposite to each other, and two ends of the battery cell (412) being respectively embedded in the two side brackets (414); the first side bracket (414a) being provided with a first through hole (4142), and the second side bracket (414b) being provided with a second through hole (4144); The two side end plates (420) are respectively a first side end plate (420a) and a second side end plate (420b), wherein the first side end plate (420a) is located on a side of the first side bracket (414a) away from the second side bracket (414b), and the second side end plate (420b) is located on a side of the second side bracket (414b) away from the first side bracket (414a), and each of the side end plates (420) comprises a fixing portion (421), a locking portion (423) and a supporting portion (424) connected in sequence. 5), the fixing portion (421) is used to be connected to the bottom shell (110), the locking portion (423) is provided with a third through hole (4232), the locking portions (423) of the two side end plates (420) are respectively abutted against a side of the corresponding side bracket (414) away from the battery cell (412), and the supporting portions (425) of the two side end plates (420) are used to be jointly supported on the mounting frame (200), so that a ventilation gap exists between the mounting frame (200) and the horizontal module (410); A screw member (430), wherein the screw member (430) is sequentially inserted into a third through hole (4232) of the locking portion (423) of the first side end plate (420a), the first through hole (4142), the second through hole (4144), and the third through hole (4232) of the locking portion (423) of the second side end plate (420b).

2. The battery module structure (400) according to claim 1, characterized in that, The fixing portion (421), the locking portion (423) and the supporting portion (425) are an integrally formed structure.

3. The battery module structure (400) according to claim 1, wherein, A first bending area (4212) is formed at the connection between the fixing portion (421) and the locking portion (423), and a second bending area (4251) is formed at the connection between the locking portion (423) and the supporting portion (425).

4. The battery module structure (400) according to claim 3, characterized in that, The first bending area (4212) and the second bending area (4251) are both located on the same side of the locking portion (423).

5. The battery module structure (400) according to claim 4, characterized in that, The first bending area (4212) and the second bending area (4251) are both located on a side of the side end plate (420) that is away from the corresponding side bracket (414).

6. The battery module structure (400) according to claim 1, characterized in that, Each of the side end plates (420) is provided with a lower hollow groove (426); and / or, Each of the side end plates (420) is provided with an upper hollow groove (427), and the upper hollow groove (427) extends to the end of the support portion (425) away from the locking portion (423).

7. The battery module structure (400) according to claim 1, characterized in that, The invention further comprises two insulating plates (440), the two insulating plates (440) are respectively a first insulating plate (440a) and a second insulating plate (440b), each of the insulating plates (440) is respectively abutted between the corresponding side end plate (420) and the corresponding side bracket (414), the first insulating plate (440a) is provided with a fourth through hole (4402), the second insulating plate (440b) is provided with a fifth through hole (4404), the screw member (430) is sequentially passed through the third through hole (4232) of the locking portion (423) of the first side end plate (420a), the fourth through hole (4402), the first through hole (4142), the second through hole (4144), the fifth through hole (4404) and the third through hole (4232) of the locking portion (423) of the second side end plate (420b); and / or, The distance between the support portion (425) and the fixing surface of the fixing portion (421) is a first distance, the distance between the top surface of the side bracket (414) and the fixing surface of the fixing portion (421) is a second distance, and the first distance is greater than the second distance.

8. A energy storage power supply (10), characterized in that, The invention comprises a housing (100), a mounting frame (200), a control board (300) and a battery module structure (400) according to any one of claims 1 to 7; the fixing portion (421) is connected to the bottom shell (110) of the housing (100), and the supporting portions (425) of the two side end plates (420) are jointly supported on the mounting frame (200); and the control board (300) is fixed on the mounting frame (200).

9. The energy storage power supply (10) according to claim 8, characterized in that, The battery module structure (400) further comprises a first buffer member (450), the first buffer member (450) being located between the bottom shell (110) and each of the side brackets (414), the first buffer member (450) being respectively in contact with the bottom shell (110) and the side bracket (414); and / or, The battery module structure (400) further comprises a second buffer member (460), the second buffer member (460) being located between the mounting frame (200) and each of the side brackets (414), the second buffer member (460) being respectively in contact with the mounting frame (200) and each of the side brackets (414); and / or, A first reverse rivet nut (4201) is protrudingly provided on a side of the second side end plate (420b) facing away from the first side end plate (420a); the first reverse rivet nut (4201) is provided with a first screw hole (4202) communicating with the third through hole (4232); the screw member (430) is also screwed to the first reverse rivet nut (4201) through the third through hole (4232) of the second side end plate (420b); and / or, The battery module structure (400) further includes at least two locking attachments (470). Each of the side end plates (420) is provided with a second screw hole (428), and the mounting bracket (200) is provided with at least two locking through holes (201). Each of the locking attachments (470) is screwed into the second screw hole (428) through the corresponding locking through hole (201); and / or, On the support portion (425) of each of the side end plates (420), a limiting flange (4252) is protruded. The mounting bracket (200) is provided with at least two limiting holes (203). The limiting flange (4252) of each of the side end plates (420) passes through the corresponding limiting hole (203).

10. The energy storage power supply (10) according to claim 8, characterized in that, The control board (300) includes a BMS board (310) and an inverter module (320). The BMS board (310) is fixedly connected to one side of the mounting bracket (200) away from the horizontal module (410). The inverter module (320) is insulatedly connected to the BMS board (310), and the inverter module (320) is located on the side of the BMS board away from the mounting bracket (200); and / or, The battery module structure (400) further includes a heat dissipation component (480), and the heat dissipation component (480) is fixedly installed on the mounting bracket (200).

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