Battery module and energy storage all-in-one machine

Abstract

The utility model provides a battery module and an energy storage all-in-one machine, and the battery module comprises at least two battery packs which are connected in series; the support frame is arranged between any two adjacent battery packs; at least two first end plates, wherein each first end plate is arranged on one battery pack; and the at least one connecting piece is connected with the supporting frame, and the at least one connecting piece is used for connecting any two adjacent first end plates. According to the battery module disclosed by the invention, the at least one connecting piece is fixedly connected with the support frame, so that the connection strength between the two adjacent first end plates is favorably improved, the structural stability after the two adjacent battery packs are assembled is improved, the reliability of the battery module is further improved, and the service life of the battery module is favorably prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of battery modules, and more specifically, to a battery module and an energy storage integrated machine. Background Art

[0002] Currently, the energy storage devices in related technologies include battery modules. Generally, a battery module includes two battery packs, and the end plates of the two battery packs are connected and fixed by a connecting plate and screws, resulting in poor structural stability. Summary of the Utility Model

[0003] The embodiments of the utility model aim to at least solve one of the technical problems existing in the prior art.

[0004] To this end, a first aspect of the embodiments of the utility model provides a battery module.

[0005] A second aspect of the embodiments of the utility model provides an energy storage integrated machine.

[0006] In view of this, according to the first aspect of the embodiments of the utility model, there is provided a battery module, which includes: at least two battery packs connected in series; a support frame disposed between any two adjacent battery packs; at least two first end plates, each first end plate being disposed on one battery pack; and at least one connecting member connected to the support frame, the at least one connecting member being used to connect any two adjacent first end plates.

[0007] The battery module provided by the embodiments of the utility model includes at least two battery packs, a support frame, at least two first end plates, and at least one connecting member. Specifically, at least two battery packs are connected in series.

[0008] The support frame is disposed between any two adjacent battery packs. Optionally, the at least two battery packs include an adjacent first battery pack and a second battery pack, and the support frame is disposed between the first battery pack and the second battery pack. Optionally, the support frame is an insulating member.

[0009] Each battery pack is provided with a first end plate, and the connecting member can connect two adjacent first end plates to connect two adjacent battery packs and realize the assembly between two adjacent battery packs.

[0010] By connecting and fixing at least one connecting member to the support frame, it is beneficial to improve the connection strength between two adjacent first end plates, thereby improving the structural stability of the assembled two adjacent battery packs, further improving the reliability of the battery module, and being beneficial to extending the service life of the battery module.

[0011] In addition, since at least one connecting member is fixedly connected to the support frame, compared with the case where the connecting member and the support frame are separate structural members respectively, during the assembly process of the battery module, the loss of the connecting member can be avoided, the alignment difficulty between the connecting member and the first end plate can be reduced, which is beneficial to improving the assembly efficiency of the battery module.

[0012] In addition, the battery module provided by the above technical solution of the present utility model further has the following additional technical features:

[0013] In some technical solutions, optionally, at least one connecting member and the support frame are of an integral structure.

[0014] In this technical solution, it is defined that at least one connecting member and the support frame are of an integral structure. It can be understood that the integral structure has good mechanical properties, so the connection strength between at least one connecting member and the support frame can be significantly improved, thereby further enhancing the structural stability of the assembled adjacent two battery packs and improving the reliability of the battery module.

[0015] In addition, the integral structure is also beneficial to processing and production, which can reduce the manufacturing difficulty, improve the production efficiency, and further reduce the production cost of the battery module.

[0016] Optionally, at least one connecting member and the support frame are an integrally injection-molded part.

[0017] In some technical solutions, optionally, the battery module further includes at least two second end plates. Each second end plate is disposed on one battery pack and is located at opposite ends of the battery pack with respect to the first end plate; wherein, at least one connecting member includes a first connecting member and a second connecting member. The first connecting member and the second connecting member are respectively located on opposite sides of the support frame. The first connecting member is used to connect any two adjacent first end plates, and the second connecting member is used to connect any two adjacent second end plates.

[0018] In this technical solution, it is defined that the battery module further includes at least two second end plates. Specifically, each battery pack is further provided with a second end plate, and the first end plate and the second end plate are respectively located at two opposite ends of the battery pack.

[0019] At least one connecting member includes a first connecting member and a second connecting member. The first connecting member and the second connecting member are respectively located on opposite sides of the support frame. The first connecting member is used to connect two adjacent first end plates, and the second connecting member is used to connect two adjacent second end plates, thereby realizing the assembly of the battery module.

[0020] Since the first end plate and the second end plate are respectively disposed at two opposite ends of the battery pack, that is to say, the assembly and fixation are performed on opposite sides of the battery pack, which is beneficial to further improving the structural stability and reliability of the battery module.

[0021] In addition, integrating both the first connecting member and the second connecting member onto the support frame is conducive to further enhancing the structural stability and reliability of the battery module after assembly. Moreover, compared with the case where the first connecting member, the second connecting member, and the support frame are separate structural members respectively, during the assembly process of the battery module, the loss of the first connecting member or the second connecting member can be avoided, and the alignment difficulty between the first connecting member and the first end plate, as well as between the second connecting member and the second end plate, can be reduced, which is beneficial to improving the assembly efficiency of the battery module.

[0022] In some technical solutions, optionally, at least two battery packs include adjacent first and second battery packs, and the support frame is disposed between the first battery pack and the second battery pack; an exhaust passage is formed between one side of the first battery pack facing the support frame and the support frame; the support frame is provided with air vent holes, and the air vent holes are communicated with the exhaust passage.

[0023] In this technical solution, it is defined that at least two battery packs include adjacent first and second battery packs. Specifically, the support frame is arranged between the first battery pack and the second battery pack.

[0024] An exhaust passage is formed between one side of the first battery pack facing the support frame and the support frame. The support frame is provided with air vent holes, and the air vent holes are communicated with the exhaust passage. It can be understood that when a battery pack undergoes thermal runaway, heat can be dissipated through the exhaust passage and the air vent holes, which is beneficial to improving the use safety of the battery module, extending the service life of the battery module, and enhancing the reliability of the energy storage integrated machine having this battery module.

[0025] Optionally, the number of air vent holes is multiple, each air vent hole is communicated with the exhaust passage, and the multiple air vent holes are arranged at intervals.

[0026] Optionally, each battery pack includes multiple battery cells. When a battery cell undergoes thermal runaway, that is, the battery pack undergoes thermal runaway.

[0027] In some technical solutions, optionally, a support surface is provided on one side of the support frame facing away from the exhaust passage, and the support surface is used to support the second battery pack.

[0028] In this technical solution, it is defined that a support surface is provided on one side of the support frame facing away from the exhaust passage. Specifically, the support surface can support the second battery pack, thereby further enhancing the structural stability and reliability of the battery module after assembly.

[0029] In some technical solutions, optionally, the battery module further includes an adapter plate. The adapter plate is disposed on one side of any adjacent two battery packs facing the support frame and is electrically connected to the battery pack. A plurality of aluminum bars are provided on one side of the adapter plate facing the support frame; wherein, the support frame is further provided with a plurality of first avoidance grooves, and at least a part of each aluminum bar is located in one first avoidance groove.

[0030] In this technical solution, it is defined that the battery module further includes an adapter board. Specifically, the adapter board is disposed on one side of one of the adjacent two battery packs facing the support frame. For example, at least two battery packs include an adjacent first battery pack and a second battery pack, the support frame is disposed between the first battery pack and the second battery pack, the adapter board is located between the first battery pack and the second battery pack, and the adapter board is disposed on the first battery pack and electrically connected to the first battery pack.

[0031] A plurality of aluminum bars are disposed on the side of the adapter board facing the support frame, and the support frame is further provided with a plurality of first avoidance grooves. At least a part of each aluminum bar is located in the first avoidance groove. That is to say, a plurality of first avoidance grooves are provided on the support frame to structurally avoid the plurality of aluminum bars, so as to be able to protect the aluminum bars.

[0032] It can be understood that the plurality of aluminum bars correspond to the plurality of first avoidance grooves one by one.

[0033] Optionally, the adapter board includes an adapter circuit board.

[0034] In some technical solutions, optionally, the battery module further includes a temperature detection component. The temperature detection component is disposed on the side of the adapter board facing the support frame and electrically connected to the adapter board. Wherein, the support frame is further provided with a second avoidance groove, and at least a part of the temperature detection component is located in the second avoidance groove.

[0035] In this technical solution, it is defined that the battery module further includes a temperature detection component. Specifically, the temperature detection component is disposed on the side of the adapter board facing the support frame, and the temperature detection component is electrically connected to the adapter board. It can be understood that the temperature detection component can detect the temperature inside the battery module, and the temperature inside the battery module can be controlled according to the detection result of the temperature detection component, so as to avoid thermal failure of the battery module and extend the service life of the battery module.

[0036] The support frame is further provided with a second avoidance groove, and at least a part of the temperature detection component is located in the second avoidance groove. That is to say, a second avoidance groove is further provided on the support frame to structurally avoid the temperature detection component, so as to be able to protect the temperature detection component.

[0037] Optionally, the number of the temperature detection components is multiple.

[0038] Optionally, the temperature detection component includes an NTC (negative temperature coefficient thermistor).

[0039] In some technical solutions, optionally, at least one connecting piece is provided with an outlet hole; the battery module further includes a wiring terminal and a communication line. Wherein, the wiring terminal is disposed on the adapter board and electrically connected to the adapter board, the first end of the communication line is electrically connected to the wiring terminal, and the second end of the communication line is led out through the outlet hole.

[0040] In this technical solution, it is defined that the battery module further includes a terminal and a communication line. Specifically, the terminal is disposed on the adapter board, and the terminal is electrically connected to the adapter board. One end of the communication line is electrically connected to the terminal, and the second end of the communication line is led out through the wire outlet hole. That is to say, the wire outlet hole is the outlet for the communication line.

[0041] In some technical solutions, optionally, at least one connecting member is further provided with a mounting hole; the battery module further includes a conductive member. The first end of the conductive member passes through the mounting hole and is electrically connected to one of any two adjacent battery packs, and the second end of the conductive member is electrically connected to the other battery pack to connect any two adjacent battery packs in series.

[0042] In this technical solution, it is defined that the battery module further includes a conductive member. Specifically, one end of the conductive member passes through the mounting hole and is electrically connected to one of two adjacent battery packs, and the other end of the conductive member is electrically connected to the other of the two adjacent battery packs. For example, at least two battery packs include an adjacent first battery pack and a second battery pack. One end of the conductive member passes through the mounting hole and is electrically connected to the first battery pack, and the other end of the conductive member is electrically connected to the second battery pack, so that two adjacent battery packs are connected in series.

[0043] It can be understood that at least one connecting member includes a first connecting member and a second connecting member. When the conductive member passes through the mounting hole on the first connecting member and is electrically connected to the battery pack, the communication line is led out through the wire outlet hole on the second connecting member.

[0044] In some technical solutions, optionally, the battery module further includes a plurality of reinforcing ribs. The plurality of reinforcing ribs are disposed on a side of at least one connecting member facing away from the support frame. A limiting groove is formed between any two adjacent reinforcing ribs, and a part of the conductive member is located in the limiting groove.

[0045] In this technical solution, it is defined that the battery module further includes a plurality of reinforcing ribs. Specifically, a plurality of reinforcing ribs are provided on a side of at least one connecting member facing away from the support frame, which is beneficial to improving the structural strength of at least one connecting member. While ensuring reliable connection between any two adjacent first end plates, it avoids deformation of at least one connecting member, is beneficial to extending the service life of at least one connecting member, and further improves the structural stability of the battery module.

[0046] A limiting groove is formed between any two adjacent reinforcing ribs, and a part of the conductive member is located in the limiting groove. Thus, while realizing the series connection of any two adjacent battery packs, the conductive member can be limited after installation, improving the installation stability of the conductive member, ensuring reliable electrical connection between any two adjacent battery packs, and being beneficial to further improving the reliability of the battery module.

[0047] Optionally, multiple reinforcing ribs and the connecting member are of an integral structure. That is to say, a part of the connecting member protrudes and extends away from the support frame to form multiple reinforcing ribs.

[0048] In some technical solutions, optionally, each battery pack includes a total positive lead-out terminal and a total negative lead-out terminal, and both ends of the conductive member are electrically connected to the total positive lead-out terminal of one of any two adjacent battery packs and the total negative lead-out terminal of the other battery pack respectively; wherein, the total positive lead-out terminal and the total negative lead-out terminal are located on the same side of the battery pack.

[0049] In this technical solution, it is defined that each battery pack includes a total positive lead-out terminal and a total negative lead-out terminal. Specifically, at least two battery packs include a first battery pack and a second battery pack. One end of the conductive member is electrically connected to the total positive lead-out terminal of the first battery pack, and the other end is electrically connected to the total negative lead-out terminal of the second battery pack, so that the first battery pack and the second battery pack are connected in series. Or, one end of the conductive member is electrically connected to the total positive lead-out terminal of the second battery pack, and the other end is electrically connected to the total negative lead-out terminal of the first battery pack, so that the first battery pack and the second battery pack are connected in series.

[0050] The total positive lead-out terminal and the total negative lead-out terminal are located on the same side of the battery pack. When assembling the battery module, after rotating one of the battery packs by 180°, the total positive lead-out terminal of one of the adjacent two battery packs and the total negative lead-out terminal of the other battery pack are located at the same end of the battery module, which is convenient for wiring, avoids complex wiring inside the battery module, and is beneficial to reducing the production cost of the battery module.

[0051] In some technical solutions, optionally, at least one connecting member is further provided with a plurality of first connection holes, and each first end plate is provided with a second connection hole; the battery module further includes a plurality of fasteners, and the plurality of fasteners respectively pass through the plurality of first connection holes and are connected to the second connection holes on any two adjacent first end plates; wherein, the number of the second connection holes is a plurality, and the plurality of second connection holes are arranged at intervals.

[0052] In this technical solution, it is defined that the battery module further includes a plurality of fasteners. Specifically, at least one connecting member is provided with a plurality of first connection holes, and each first end plate is provided with a second connection hole.

[0053] The plurality of fasteners respectively pass through the plurality of first connection holes and are connected to the second connection holes on any two adjacent first end plates. That is to say, among the plurality of fasteners, at least one fastener respectively passes through the first connection hole and is connected to the second connection hole on one of the two adjacent first end plates, and at least one of the remaining fasteners respectively passes through the other first connection hole and is connected to the second connection hole on the other first end plate, so as to realize the assembly and fixation between any two adjacent battery packs through at least one connecting member.

[0054] The number of the second connection holes is multiple, and the multiple second connection holes are arranged at intervals. That is to say, a plurality of second connection holes are distributed at intervals on the first end plate, so that when at least two battery packs are assembled in different ways, such as horizontally or vertically, the fasteners can pass through the first connection holes and then be connected to the second connection holes on the first end plate, which is beneficial to compatible with different installation methods of the battery module and meet the use in various environments.

[0055] Optionally, the fastener includes a screw.

[0056] According to the second aspect of the present invention, there is provided an energy storage integrated machine, including the battery module provided by any of the above technical solutions, and thus having all the beneficial technical effects of the battery module, which will not be elaborated here.

[0057] The additional aspects and advantages of the present invention will be given in the following description part, some of which will become obvious from the following description, or be understood through the practice of the present invention. Description of the Drawings

[0058] The above and / or additional aspects and advantages of the present invention will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, in which:

[0059] Figure 1 Fig. 1 shows one of the exploded views of the battery module according to an embodiment of the present invention;

[0060] Figure 2 Fig. 2 shows one of the structural schematic diagrams of the battery module according to an embodiment of the present invention;

[0061] Figure 3 Fig. 3 shows another structural schematic diagram of the battery module according to an embodiment of the present invention;

[0062] Figure 4 Fig. 4 shows one of the structural schematic diagrams of the support frame according to an embodiment of the present invention;

[0063] Figure 5 Fig. 5 shows another structural schematic diagram of the support frame according to an embodiment of the present invention;

[0064] Figure 6 Fig. 6 shows yet another structural schematic diagram of the support frame according to an embodiment of the present invention;

[0065] Figure 7 Fig. 7 shows another exploded view of the battery module according to an embodiment of the present invention;

[0066] Figure 8 Fig. 8 shows the exploded view of the battery pack according to an embodiment of the present invention;

[0067] Figure 9 shows a schematic structural view of a battery pack according to an embodiment of the present utility model;

[0068] Figure 10 shows one of the schematic structural views of a first end plate according to an embodiment of the present utility model;

[0069] Figure 11 shows another schematic structural view of a first end plate according to an embodiment of the present utility model.

[0070] Wherein, Figures 1 to 11 the corresponding relationship between the reference numerals in the drawings and the component names is as follows:

[0071] 100 battery module, 110 battery pack, 111 first battery pack, 112 second battery pack, 113 total positive lead-out terminal, 114 total negative lead-out terminal, 120 support frame, 121 vent hole, 122 support surface, 123 first relief groove, 124 second relief groove, 130 first end plate, 131 second connection hole, 140 connecting member, 141 first connecting member, 142 second connecting member, 143 wire outlet hole, 144 mounting hole, 145 first connection hole, 150 second end plate, 160 exhaust passage, 170 adapter plate, 171 aluminum busbar, 180 temperature detection member, 190 terminal block, 210 conductive member, 220 reinforcing rib, 230 limiting groove, 240 fastener, 250 buckle mounting portion. Detailed implementation manners

[0072] In order to be able to more clearly understand the above objects, features and advantages of the present utility model, the present utility model will be further described in detail below with reference to the drawings and specific implementation manners. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

[0073] In the following description, many specific details are set forth in order to fully understand the present utility model. However, the present utility model may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present utility model is not limited by the specific embodiments disclosed below.

[0074] The following refers to Figures 1 to 11 to describe the battery module 100 and the energy storage integrated machine provided according to some embodiments of the present utility model.

[0075] In an embodiment according to the present application, as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 7As shown, a battery module 100 is proposed. The battery module 100 includes: at least two battery packs 110, which are connected in series; a support frame 120 disposed between any two adjacent battery packs 110; at least two first end plates 130, each first end plate 130 being disposed on one battery pack 110; and at least one connecting member 140 connected to the support frame 120, the at least one connecting member 140 being used to connect any two adjacent first end plates 130.

[0076] The battery module 100 provided by the embodiment of the present utility model includes at least two battery packs 110, a support frame 120, at least two first end plates 130, and at least one connecting member 140. Specifically, at least two battery packs 110 are connected in series.

[0077] The support frame 120 is disposed between any two adjacent battery packs 110. Optionally, the at least two battery packs 110 include an adjacent first battery pack 111 and a second battery pack 112, and the support frame 120 is disposed between the first battery pack 111 and the second battery pack 112. Optionally, the support frame 120 is an insulating member.

[0078] A first end plate 130 is disposed on each battery pack 110, and the connecting member 140 can connect two adjacent first end plates 130 so that two adjacent battery packs 110 are connected to achieve the assembly between two adjacent battery packs 110.

[0079] By connecting and fixing at least one connecting member 140 to the support frame 120, it is beneficial to improve the connection strength between two adjacent first end plates 130, thereby improving the structural stability of the assembled two adjacent battery packs 110, and further improving the reliability of the battery module 100, which is beneficial to extending the service life of the battery module 100.

[0080] In addition, since at least one connecting member 140 is connected and fixed to the support frame 120, compared with the case where the connecting member 140 and the support frame 120 are separate structural members respectively, during the assembly process of the battery module 100, the loss of the connecting member 140 can be avoided, and the alignment difficulty between the connecting member 140 and the first end plate 130 can be reduced, which is beneficial to improving the assembly efficiency of the battery module 100.

[0081] In some embodiments, optionally, at least one connecting member 140 and the support frame 120 are of an integral structure.

[0082] In this embodiment, it is defined that at least one connecting member 140 and the support frame 120 are of an integral structure. It can be understood that the integral structure has good mechanical properties, so that the connection strength between at least one connecting member 140 and the support frame 120 can be significantly improved, thereby further enhancing the structural stability of the assembled adjacent two battery packs 110 and enhancing the reliability of the battery module 100.

[0083] In addition, the integral structure is also beneficial to processing and production, which can reduce the manufacturing difficulty, improve the production efficiency, and further help reduce the production cost of the battery module 100.

[0084] Optionally, at least one connecting member 140 and the support frame 120 are integrally injection-molded parts.

[0085] Such as Figure 1 、 Figure 8 and Figure 9 As shown, in some embodiments, optionally, the battery module 100 further includes at least two second end plates 150. Each second end plate 150 is disposed on one battery pack 110 and is located at opposite ends of the battery pack 110 from the first end plate 130. Among them, at least one connecting member 140 includes a first connecting member 141 and a second connecting member 142. The first connecting member 141 and the second connecting member 142 are respectively located on opposite sides of the support frame 120. The first connecting member 141 is used to connect any two adjacent first end plates 130, and the second connecting member 142 is used to connect any two adjacent second end plates 150.

[0086] In this embodiment, it is defined that the battery module 100 further includes at least two second end plates 150. Specifically, each battery pack 110 is further provided with a second end plate 150, and the first end plate 130 and the second end plate 150 are respectively located at two opposite ends of the battery pack 110.

[0087] At least one connecting member 140 includes a first connecting member 141 and a second connecting member 142. The first connecting member 141 and the second connecting member 142 are respectively located on opposite sides of the support frame 120. The first connecting member 141 is used to connect two adjacent first end plates 130, and the second connecting member 142 is used to connect two adjacent second end plates 150, thereby realizing the assembly of the battery module 100.

[0088] Since the first end plate 130 and the second end plate 150 are respectively disposed at two opposite ends of the battery pack 110, that is to say, the assembly and fixation are performed on opposite sides of the battery pack 110, which is beneficial to further enhancing the structural stability and reliability of the battery module 100.

[0089] In addition, integrating both the first connecting member 141 and the second connecting member 142 onto the support frame 120 is conducive to further enhancing the structural stability and reliability of the battery module 100 after assembly. Moreover, compared with the first connecting member 141, the second connecting member 142, and the support frame 120 being separate structural members respectively, during the assembly process of the battery module 100, the loss of the first connecting member 141 or the second connecting member 142 can be avoided, and the alignment difficulty between the first connecting member 141 and the first end plate 130, as well as between the second connecting member 142 and the second end plate 150, can be reduced, which is conducive to improving the assembly efficiency of the battery module 100.

[0090] Optionally, the first end plate 130 and the second end plate 150 are the same end plate, that is, the first end plate 130 and the second end plate 150 are designed to be left-right symmetric, which is conducive to reducing the production cost of the battery module 100.

[0091] Such as Figure 1 、 Figure 2 and Figure 5 As shown in

[0092] In some embodiments, optionally, at least two battery packs 110 include adjacent first battery pack 111 and second battery pack 112, and the support frame 120 is disposed between the first battery pack 111 and the second battery pack 112; an exhaust passage 160 is formed between one side of the first battery pack 111 facing the support frame 120 and the support frame 120; the support frame 120 is provided with a vent hole 121, and the vent hole 121 is communicated with the exhaust passage 160.

[0093] In this embodiment, it is defined that at least two battery packs 110 include adjacent first battery pack 111 and second battery pack 112. Specifically, the support frame 120 is disposed between the first battery pack 111 and the second battery pack 112.

[0094] An exhaust passage 160 is formed between one side of the first battery pack 111 facing the support frame 120 and the support frame 120, and the support frame 120 is provided with a vent hole 121, and the vent hole 121 is communicated with the exhaust passage 160. It can be understood that when the battery pack 110 undergoes thermal runaway, heat can be dissipated through the exhaust passage 160 and the vent hole 121, which is conducive to improving the use safety of the battery module 100, extending the service life of the battery module 100, and enhancing the reliability of the energy storage integrated machine having the battery module 100.

[0095] In addition, since at least one connecting member 140 is fixedly connected to the support frame 120, compared with the case where the connecting member 140 and the support frame 120 are separate structural members respectively, during the assembly process of the battery module 100, loss of the connecting member 140 can be avoided, the alignment difficulty between the connecting member 140 and the first end plate 130 can be reduced, which is beneficial to improving the assembly efficiency of the battery module 100.

[0096] Optionally, the number of the vent holes 121 is multiple, each vent hole 121 communicates with the exhaust passage 160, and the multiple vent holes 121 are arranged at intervals.

[0097] Optionally, each battery pack 110 includes a plurality of battery cells. When a thermal runaway occurs in the battery cells, that is, a thermal runaway occurs in the battery pack 110.

[0098] As Figure 1 shown, in some embodiments, optionally, a support surface 122 is provided on a side of the support frame 120 facing away from the exhaust passage 160, and the support surface 122 is used to support the second battery pack 112.

[0099] In this embodiment, it is defined that a support surface 122 is provided on a side of the support frame 120 facing away from the exhaust passage 160. Specifically, the support surface 122 can support the second battery pack 112, so as to further improve the structural stability and reliability of the battery module 100 after assembly.

[0100] As Figure 1 、 Figure 8 and Figure 9 shown, in some embodiments, optionally, the battery module 100 further includes an adapter plate 170. The adapter plate 170 is disposed on a side of one of any two adjacent battery packs 110 facing the support frame 120 and is electrically connected to the battery pack 110. A plurality of aluminum bars 171 are provided on a side of the adapter plate 170 facing the support frame 120; wherein, a plurality of first avoidance grooves 123 are further provided on the support frame 120, and at least a part of each aluminum bar 171 is located in one first avoidance groove 123.

[0101] In this embodiment, it is defined that the battery module 100 further includes an adapter plate 170. Specifically, the adapter plate 170 is disposed on a side of one of two adjacent battery packs 110 facing the support frame 120. For example, at least two battery packs 110 include an adjacent first battery pack 111 and a second battery pack 112. The support frame 120 is disposed between the first battery pack 111 and the second battery pack 112. The adapter plate 170 is located between the first battery pack 111 and the second battery pack 112, and the adapter plate 170 is disposed on the first battery pack 111 and is electrically connected to the first battery pack 111.

[0102] A plurality of aluminum bars 171 are arranged on one side of the adapter plate 170 facing the support frame 120, and the support frame 120 is also provided with a plurality of first avoidance grooves 123, and at least a portion of each aluminum bar 171 is located in the first avoidance groove 123, that is, a plurality of first avoidance grooves 123 are arranged on the support frame 120 to perform structural avoidance for the plurality of aluminum bars 171, thereby protecting the aluminum bars 171.

[0103] It can be understood that the plurality of aluminum bars 171 correspond one-to-one to the plurality of first avoidance grooves 123 .

[0104] Optionally, the adapter board 170 includes an adapter circuit board.

[0105] like Figure 1 As shown, in some embodiments, optionally, the battery module 100 also includes a temperature detection element 180, which is disposed on the side of the adapter plate 170 facing the support frame 120 and is electrically connected to the adapter plate 170; wherein the support frame 120 is also provided with a second avoidance groove 124, and at least a portion of the temperature detection element 180 is located in the second avoidance groove 124.

[0106] In this embodiment, it is defined that the battery module 100 also includes a temperature detection component 180. Specifically, the temperature detection component 180 is arranged on the side of the adapter plate 170 facing the support frame 120, and the temperature detection component 180 is electrically connected to the adapter plate 170. It can be understood that the temperature detection component 180 can detect the temperature inside the battery module 100, and the temperature inside the battery module 100 can be controlled by the detection result of the temperature detection component 180, so as to avoid thermal failure of the battery module 100 and extend the service life of the battery module 100.

[0107] The support frame 120 is also provided with a second avoidance groove 124, and at least a part of the temperature detection component 180 is located in the second avoidance groove 124. That is to say, the support frame 120 is also provided with a second avoidance groove 124 to perform structural avoidance for the temperature detection component 180, thereby being able to protect the temperature detection component 180.

[0108] Optionally, there are multiple temperature detection elements 180 .

[0109] Alternatively, the temperature sensing member 180 includes an NTC (thermistor).

[0110] like Figure 1 and Figure 6 As shown, in some embodiments, optionally, at least one connector 140 is provided with a wire outlet hole 143; the battery module 100 also includes a wiring terminal 190 and a communication line, wherein the wiring terminal 190 is provided on the adapter plate 170 and is electrically connected to the adapter plate 170, the first end of the communication line is electrically connected to the wiring terminal 190, and the second end of the communication line is led out through the wire outlet hole 143.

[0111] In this embodiment, it is defined that the battery module 100 further includes a wiring terminal 190 and a communication line. Specifically, the wiring terminal 190 is disposed on the adapter board 170, and the wiring terminal 190 is electrically connected to the adapter board 170. One end of the communication line is electrically connected to the wiring terminal 190, and the second end of the communication line is led out through the wire outlet hole 143. That is to say, the wire outlet hole 143 is the lead-out port of the communication line.

[0112] Such as Figure 1 , Figure 2 , Figure 3 and Figure 7 As shown in

[0113] In this embodiment, it is defined that the battery module 100 further includes a conductive member 210. Specifically, one end of the conductive member 210 passes through the mounting hole 144 and is electrically connected to one of any two adjacent battery packs 110, and the other end of the conductive member 210 is electrically connected to the other battery pack 110, so that any two adjacent battery packs 110 are connected in series.

[0114] It can be understood that at least one connecting member 140 includes a first connecting member 141 and a second connecting member 142. When the conductive member 210 passes through the mounting hole 144 on the first connecting member 141 and is electrically connected to the battery pack 110, the communication line is led out through the wire outlet hole 143 on the second connecting member 142.

[0115] Optionally, the conductive member 210 includes a copper bar or an aluminum bar.

[0116] Such as Figure 6 As shown in

[0117] In this embodiment, it is defined that the battery module 100 further includes a plurality of reinforcing ribs 220. Specifically, a plurality of reinforcing ribs 220 are provided on the side of at least one connecting member 140 facing away from the support frame 120, which is beneficial to improving the structural strength of at least one connecting member 140, ensuring reliable connection between any two adjacent first end plates 130, avoiding deformation of at least one connecting member 140, being beneficial to extending the service life of at least one connecting member 140, and further improving the structural stability of the battery module 100.

[0118] A limiting groove 230 is formed between any two adjacent reinforcing ribs 220, and a part of the conductive member 210 is located in the limiting groove 230. Thus, while enabling series connection of any two adjacent battery packs 110, the conductive member 210 can be limited after installation, improving the installation stability of the conductive member 210, ensuring reliable electrical connection between any two adjacent battery packs 110, and being beneficial to further improving the reliability of the battery module 100.

[0119] Optionally, the plurality of reinforcing ribs 220 and the connecting member 140 are of an integral structure. That is to say, a part of the connecting member 140 protrudes and extends away from the support frame 120 to form a plurality of reinforcing ribs 220.

[0120] As Figure 1 、 Figure 8 and Figure 9 shown, in some embodiments, optionally, each battery pack 110 includes a total positive lead-out terminal 113 and a total negative lead-out terminal 114, and two ends of the conductive member 210 are respectively electrically connected to the total positive lead-out terminal 113 of one of any two adjacent battery packs 110 and the total negative lead-out terminal 114 of the other battery pack 110; wherein, the total positive lead-out terminal 113 and the total negative lead-out terminal 114 are respectively located on the same side of the battery pack 110.

[0121] In this embodiment, it is defined that each battery pack 110 includes a total positive lead-out terminal 113 and a total negative lead-out terminal 114. Specifically, at least two battery packs 110 include a first battery pack 111 and a second battery pack 112. One end of the conductive member 210 is electrically connected to the total positive lead-out terminal 113 of the first battery pack 111, and the other end is electrically connected to the total negative lead-out terminal 114 of the second battery pack 112, so that the first battery pack 111 and the second battery pack 112 are connected in series. Or, one end of the conductive member 210 is electrically connected to the total positive lead-out terminal 113 of the second battery pack 112, and the other end is electrically connected to the total negative lead-out terminal 114 of the first battery pack 111, so that the first battery pack 111 and the second battery pack 112 are connected in series.

[0122] The total positive lead terminal 113 and the total negative lead terminal 114 are located on the same side of the battery pack 110. When assembling the battery module 100, after rotating one of the battery packs 110 by 180°, the total positive lead terminal 113 of one of the adjacent battery packs 110 and the total negative lead terminal 114 of the other battery pack 110 are located at the same end of the battery module 100, facilitating wiring, avoiding complex wiring inside the battery module 100, and being beneficial to reducing the production cost of the battery module 100.

[0123] As Figure 6 , Figure 10 and Figure 11 shown, in some embodiments, optionally, at least one connecting member 140 is further provided with a plurality of first connection holes 145, and each first end plate 130 is provided with a second connection hole 131; the battery module 100 further includes a plurality of fasteners 240, and the plurality of fasteners 240 respectively pass through the plurality of first connection holes 145 and are connected to the second connection holes 131 on any two adjacent first end plates 130; wherein, the number of the second connection holes 131 is multiple, and the multiple second connection holes 131 are arranged at intervals.

[0124] In this embodiment, it is defined that the battery module 100 further includes a plurality of fasteners 240. Specifically, at least one connecting member 140 is provided with a plurality of first connection holes 145, and each first end plate 130 is provided with a second connection hole 131.

[0125] The plurality of fasteners 240 respectively pass through the plurality of first connection holes 145 and are connected to the second connection holes 131 on any two adjacent first end plates 130. That is to say, among the plurality of fasteners 240, at least one fastener 240 respectively passes through the first connection hole 145 and is connected to the second connection hole 131 on one of the two adjacent first end plates 130, and at least one fastener 240 among the remaining fasteners 240 respectively passes through another first connection hole 145 and is connected to the second connection hole 131 on the other first end plate 130, so as to realize the assembly and fixation between any two adjacent battery packs 110 through at least one connecting member 140.

[0126] The number of the second connection holes 131 is multiple, and the multiple second connection holes 131 are arranged at intervals. That is to say, a plurality of second connection holes 131 are distributed at intervals on the first end plate 130, so that when at least two battery packs 110 are assembled in different ways, such as horizontally installed or vertically installed, the fasteners 240 can pass through the first connection holes 145 and be connected to the second connection holes 131 on the first end plate 130, which is beneficial to being compatible with different installation methods of the battery module 100 and meeting the use in various environments.

[0127] Optionally, the fastener 240 includes a screw.

[0128] Optionally, a buckle mounting portion 250 is further provided on the first end plate 130. The buckle mounting portion 250 is used for mounting a buckle, and the buckle is used for fixing the wire harness (such as a communication wire, etc.) led out from the battery pack 110, avoiding the messy distribution of the wire harness, and improving the reliability of the battery module 100.

[0129] According to the second aspect of the present invention, an energy storage integrated machine is provided, including the battery module 100 provided in any of the above embodiments, and thus has all the beneficial technical effects of the battery module 100, which will not be elaborated here.

[0130] The battery module 100 includes at least two battery packs 110, a support frame 120, at least two first end plates 130, and a first connecting member 141. Specifically, at least two battery packs 110 are connected in series.

[0131] The support frame 120 is disposed between any two adjacent battery packs 110. Optionally, at least two battery packs 110 include an adjacent first battery pack 111 and a second battery pack 112, and the support frame 120 is disposed between the first battery pack 111 and the second battery pack 112. Optionally, the support frame 120 is an insulating member.

[0132] A first end plate 130 is provided on each battery pack 110, and the connecting member 140 can connect two adjacent first end plates 130 to connect two adjacent battery packs 110 and realize the assembly between two adjacent battery packs 110.

[0133] By connecting and fixing at least one connecting member 140 to the support frame 120, it is beneficial to improve the connection strength between two adjacent first end plates 130, thereby improving the structural stability of two adjacent battery packs 110 after assembly, further improving the reliability of the battery module 100, and being beneficial to extending the service life of the battery module 100.

[0134] In addition, since at least one connecting member 140 is connected and fixed to the support frame 120, compared with the case where the connecting member 140 and the support frame 120 are separate structural members respectively, during the assembly process of the battery module 100, the loss of the connecting member 140 can be avoided, the alignment difficulty between the connecting member 140 and the first end plate 130 is reduced, and it is beneficial to improve the assembly efficiency of the battery module 100.

[0135] Optionally, at least one connecting member 140 and the support frame 120 are of an integral structure. Defining that at least one connecting member 140 and the support frame 120 are of an integral structure, it can be understood that the integral structure has good mechanical properties, and thus can significantly improve the connection strength between at least one connecting member 140 and the support frame 120, thereby further improving the structural stability of two adjacent battery packs 110 after assembly and improving the reliability of the battery module 100.

[0136] In addition, the integral structure is also beneficial to processing and production, which can reduce the manufacturing difficulty, improve the production efficiency, and further help reduce the production cost of the battery module 100.

[0137] In the description of this specification, terms such as "connection", "installation", "fixation", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0138] In the description of this specification, the descriptions of terms such as "one embodiment", "some embodiments", "specific embodiments", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0139] The above are only the preferred embodiments of the present utility model and are not used to limit the present utility model. For those skilled in the art, various changes and modifications can be made to the present utility model. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A battery module, characterized in that: include: At least two battery packs, at least two of the battery packs are connected in series; A support frame is provided between any two adjacent battery packs; at least two first end plates, each of which is disposed on one of the battery packs; At least one connecting member is connected to the support frame, and at least one connecting member is used to connect any two adjacent first end plates.

2. The battery module according to claim 1, characterized in that: At least one of the connecting members is an integral structure with the supporting frame.

3. The battery module according to claim 1, characterized in that: Also includes: at least two second end plates, each of which is disposed on one of the battery packs and is located at two ends of the battery pack opposite to the first end plate; Among them, at least one of the connecting members includes a first connecting member and a second connecting member, the first connecting member and the second connecting member are respectively located on opposite sides of the support frame, the first connecting member is used to connect any two adjacent first end plates, and the second connecting member is used to connect any two adjacent second end plates.

4. The battery module according to any one of claims 1 to 3, characterized in that: At least two of the battery packs include a first battery pack and a second battery pack that are adjacent to each other, and the support is arranged between the first battery pack and the second battery pack; An exhaust passage is formed between a side of the first battery pack facing the support frame and the support frame; The support frame is provided with an air leakage hole, and the air leakage hole is communicated with the exhaust channel.

5. The battery module according to claim 4, characterized in that: A support surface is provided on a side of the support frame facing away from the exhaust passage, and the support surface is used to support the second battery pack.

6. The battery module according to any one of claims 1 to 3, characterized in that: Also includes: An adapter plate, provided on a side of one of any two adjacent battery packs facing the support frame and electrically connected to the battery pack, and a plurality of aluminum bars are provided on a side of the adapter plate facing the support frame; Wherein, the support frame is further provided with a plurality of first avoidance grooves, and at least a portion of each of the aluminum bars is located in one of the first avoidance grooves.

7. The battery module according to claim 6, characterized in that: Also includes: A temperature detection component is disposed on a side of the adapter plate facing the support frame and is electrically connected to the adapter plate; Wherein, the support frame is further provided with a second avoidance groove, and at least a part of the temperature detection component is located in the second avoidance groove.

8. The battery module according to claim 6, characterized in that: At least one of the connecting pieces is provided with a wire outlet hole; The battery module also includes: A connection terminal, provided on the adapter board and electrically connected to the adapter board; A communication line, wherein a first end of the communication line is electrically connected to the wiring terminal, and a second end of the communication line is led out through the wire outlet hole.

9. The battery module according to any one of claims 1 to 3, characterized in that: At least one of the connecting members is further provided with a mounting hole; The battery module also includes: A conductive member, wherein a first end of the conductive member passes through the mounting hole and is electrically connected to one of any two adjacent battery packs, and a second end of the conductive member is electrically connected to the other battery pack, so that any two adjacent battery packs are connected in series.

10. The battery module according to claim 9, characterized in that: Also includes: A plurality of reinforcing ribs are arranged on a side of at least one of the connecting members away from the supporting frame, a limiting groove is formed between any two adjacent reinforcing ribs, and a part of the conductive member is located in the limiting groove.

11. The battery module according to claim 9, characterized in that: Each of the battery packs comprises a total positive lead-out terminal and a total negative lead-out terminal, and the two ends of the conductive member are respectively electrically connected to the total positive lead-out terminal of one of the battery packs and the total negative lead-out terminal of the other of any two adjacent battery packs; Wherein, the total positive lead terminal and the total negative lead terminal are respectively located on the same side of the battery pack.

12. The battery module according to any one of claims 1 to 3, characterized in that: At least one of the connecting members is further provided with a plurality of first connecting holes, and each of the first end plates is provided with a second connecting hole; The battery module also includes: A plurality of fasteners, wherein the plurality of fasteners respectively pass through the plurality of first connection holes and are connected to the second connection holes on any two adjacent first end plates; There are multiple second connection holes, and the multiple second connection holes are arranged at intervals.

13. An integrated energy storage device, characterized in that: A battery module comprising the battery module as claimed in any one of claims 1 to 12.

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