Battery module and mounting structure thereof

Abstract

The utility model provides a battery module and a mounting structure thereof, and relates to the field of battery modules, the mounting structure of the battery module comprises a plurality of separators arranged in a stacked manner, every two adjacent separators are detachably connected, each separator is provided with a storage space and a first concave part, the storage space is used for accommodating a battery monomer, and the first concave part is used for accommodating the battery monomer. The first concave parts are used for accommodating the tabs of the battery monomers, and the two adjacent battery monomers can be separated by the separators, so that the battery monomers and the tabs can be supported and protected, and compared with a mode of assembling the battery by adopting a supporting plate, the battery assembly efficiency is improved under the condition of the same material. And the separator with the storage space and the first concave part is lighter in weight, so that the difficulty of assembling the battery can be effectively reduced, and the battery assembling efficiency is improved.

Description

Technical Field

[0001] The present application relates to the field of battery modules, and in particular to a battery module and its installation structure. Background Art

[0002] A battery module is a unit assembled from multiple battery cells to provide higher voltage and capacity. The main function of a battery module is to connect multiple battery cells together to increase the voltage and energy storage capacity of the battery system. By connecting battery cells in parallel or in series, a battery module can meet the power requirements of different applications.

[0003] In the related art, a support plate is used to protect and support battery cells connected in parallel or in series, but the difficulty of assembling the battery cells is affected by the weight of the support plate, and the efficiency of assembling the battery cells is low. Utility Model Content

[0004] In order to overcome the deficiencies in the prior art, the present application provides a battery module and an installation structure thereof.

[0005] In a first aspect, the present application provides an installation structure of a battery module, comprising: a plurality of stacked partitions, wherein two adjacent partitions are detachably connected, the partitions having a storage space and a first recessed portion, the storage space being used to accommodate a battery cell, and the first recessed portion being used to accommodate a tab of the battery cell.

[0006] In combination with the first aspect, in a possible embodiment, the partition includes: a first side, a second side, a third side and a fourth side, the fourth side is arranged opposite to the first side, the second side connects the first end of the first side and the first end of the fourth side, the third side connects the second end of the first side and the second end of the fourth side to enclose the storage space with the first side, the second side and the fourth side, and the third side has the first recessed portion.

[0007] In combination with the first aspect, in a possible implementation, a first opening is provided on the partition, and when two adjacent partitions are stacked, the first opening of one partition forms a first ventilation hole with the other partition.

[0008] In combination with the first aspect, in a possible embodiment, the first opening includes a first sub-first opening and a second sub-first opening, and the first sub-first opening and the second sub-first opening are relatively arranged on the partition in a first direction, and when two adjacent partitions are stacked, the first sub-first opening of one partition and the second sub-first opening of the other partition form the first ventilation hole.

[0009] In combination with the first aspect, in a possible embodiment, the first opening includes a first sub-first opening and a second sub-first opening, and the first sub-first opening and the second sub-first opening are relatively arranged on a side of the partition in a first direction, and when two adjacent partitions are stacked, the first sub-first opening of one partition and the second sub-first opening of the other partition form the first ventilation hole.

[0010] In combination with the first aspect, in a possible implementation, the separator further includes a fifth side surface, the fifth side surface respectively connecting the first side surface, the second side surface, the third side surface and the third side surface, and the fifth side surface is used to support the battery cell in the first direction.

[0011] In combination with the first aspect, in a possible implementation manner, the separator has a through hole, and the separator is provided with a first supporting member on a side of the through hole close to the battery cell, and the first supporting member is used to support the battery cell in a first direction.

[0012] In combination with the first aspect, in a possible implementation manner, a first carrier is disposed on the first side surface and / or the fourth side surface, and the first carrier is used to support the battery cell in a first direction.

[0013] In combination with the first aspect, in a possible implementation manner, a second supporting member is disposed on the second side surface and / or the third side surface, and the second supporting member is used to support the battery cell in a first direction.

[0014] In combination with the first aspect, in a possible implementation manner, the partition includes at least two sleeves, and the sleeves are used for fixing and installing the partition.

[0015] In combination with the first aspect, in a possible implementation, the partition includes at least two sleeves, the first side surface, the second side surface, the third side surface and the fourth side surface form four connections, and the sleeves are arranged at the connections.

[0016] In combination with the first aspect, in a possible implementation manner, the partition includes two sleeves, and the sleeves are arranged at non-adjacent connections.

[0017] In combination with the first aspect, in a possible implementation, the first recess includes a first sub-first recess and a second sub-first recess, the first sub-first recess is used to accommodate one pole lug of the battery cell, and the second sub-first recess is used to accommodate another pole lug of the battery cell.

[0018] In combination with the first aspect, in a possible implementation, the first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the separator, and the separator forms a first protrusion between the first sub-first recessed portion and the second sub-first recessed portion.

[0019] In combination with the first aspect, in a possible embodiment, a second opening is provided on a side of the separator away from the first protrusion in the first direction, and when two adjacent separators are stacked, the first protrusion of one separator is inserted into the second opening of the other separator to limit the displacement of the separator in the second direction.

[0020] In combination with the first aspect, in a possible embodiment, the length of the first protrusion in the first direction is smaller than the length of the first recess in the first direction, a first sub-second protrusion is provided on the side of the separator away from the first sub-first recess in the first direction, and a second sub-second protrusion is provided on the side of the separator away from the second sub-first recess in the first direction, and a second sub-second protrusion is provided on the side of the separator away from the second sub-first recess in the first direction, and a second opening is formed between the first sub-second protrusion and the second sub-second protrusion on the separator, and when two adjacent separators are stacked, the first protrusion of one separator is inserted into the second opening of the other separator, and the first sub-first recess and the second sub-first recess of one separator respectively accommodate the first sub-second protrusion and the second sub-second protrusion.

[0021] In combination with the first aspect, in a possible implementation, the first recess includes a first sub-first recess and a second sub-first recess, the first sub-first recess is used to accommodate one tab of the battery cell, and the second sub-first recess is used to accommodate another tab of the battery cell.

[0022] In combination with the first aspect, in a possible implementation manner, the second side surface has a second recessed portion, the first recessed portion is used to accommodate one tab of the battery cell, and the second recessed portion is used to accommodate another tab of the battery cell.

[0023] In combination with the first aspect, in a possible implementation, the separator is provided with a first card slot and a first card block relative to each other in a first direction, and when two adjacent separators are stacked, the first card block is inserted into the first card slot to limit the displacement of the separator in a third direction.

[0024] In combination with the first aspect, in a possible implementation, the separator is provided with a second card slot and a second card block relatively in a first direction, the first card slot and the first card block are arranged on a side of the separator away from the battery cell, and the second card slot and the second card block are arranged on a side of the separator close to the battery cell.

[0025] In combination with the first aspect, in a possible implementation, a third card block is provided on the first card slot, and a third card slot is provided on the first card block. When two adjacent separators are stacked, the third card block is inserted into the third card slot to limit the displacement of the separator in the first direction.

[0026] In combination with the first aspect, in a possible implementation manner, the separator is provided with a third protrusion on a side of the first recessed portion away from the battery cell, and the third protrusion is used for mounting a circuit board.

[0027] In combination with the first aspect, in a possible embodiment, the first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the partition, and the third protrusion is arranged between the first sub-first recessed portion and the second sub-first recessed portion.

[0028] In combination with the first aspect, in a possible implementation manner, the separator is provided with two fourth protrusions on a side of the first recessed portion away from the battery cell, and the two fourth protrusions are respectively provided on both sides of the first recessed portion to limit the displacement of the circuit board.

[0029] In combination with the first aspect, in a possible embodiment, the first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the partition, and the first sub-first recessed portion and the second sub-first recessed portion are located between the two fourth protrusions.

[0030] In combination with the first aspect, in a possible embodiment, the mounting structure of the battery module also includes: a first shell and a second shell, the partition is arranged on the first shell, and the partition is detachably connected to the first shell, the second shell is arranged opposite to the first shell, and the second shell is located at an end of the partition away from the first shell, and the second shell is detachably connected to the partition.

[0031] In combination with the first aspect, in a possible implementation manner, a first groove is provided on the first shell, and the first groove is used to accommodate one or more of the partitions.

[0032] In combination with the first aspect, in a possible implementation manner, a fifth protrusion is provided on the second shell, and the fifth protrusion is used to install a circuit board.

[0033] In combination with the first aspect, in a possible implementation manner, the first shell and / or the second shell is provided with a hanging ear, and the hanging ear is used to fix a cable connected to the circuit board.

[0034] In combination with the first aspect, in a possible implementation, a third groove is provided on the first shell, and the first block on the partition adjacent to the first shell is inserted into the third groove to limit the displacement of the partition in a third direction.

[0035] In a second aspect, the present application provides a battery module, comprising a plurality of batteries and the above-mentioned mounting structure of the battery module, wherein the battery cells are mounted in the mounting structure of the battery module.

[0036] Compared with the prior art, the present invention has the following beneficial effects:

[0037] The installation structure of the battery module provided in the present application includes: a plurality of stacked separators, and two adjacent separators are detachably connected, the separator has a storage space and a first recessed portion, the storage space is used to accommodate a battery cell, and the first recessed portion is used to accommodate a pole ear of the battery cell, and the separator can separate two adjacent battery cells to support and protect the battery cell and the pole ear. Compared with the method of assembling batteries using a support plate, under the same material, the separator with the storage space and the first recessed portion is lighter in weight, which can effectively reduce the difficulty of assembling the battery and improve the efficiency of battery assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions of the embodiments of the present application, 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 utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 The overall structural diagram of the installation structure of the battery module is shown;

[0040] Figure 2 A schematic diagram of the exploded structure of the installation structure of the battery module is shown;

[0041] Figure 3 A schematic structural diagram showing a second housing of the mounting structure of the battery module;

[0042] Figure 4 A schematic structural diagram showing a first ventilation hole of the mounting structure of a battery module;

[0043] Figure 5 A schematic structural diagram showing a second ventilation hole of the mounting structure of the battery module;

[0044] Figure 6 A schematic diagram showing the structure of a separator of a mounting structure of a battery module;

[0045] Figure 7 Another perspective structural diagram of the separator of the installation structure of the battery module is shown.

[0046] Description of main component symbols:

[0047] 100-separator; 110-first side; 111-first opening; 112-through hole; 113-first slot; 114-second slot; 115-third slot; 116-first block; 117-second block; 118-third block; 120-second side; 121-fourth slot; 122-fourth block; 130-third side; 131-first protrusion; 132-first recess; 1321-first sub-first recess; 1322-second sub-first Recessed portion; 133-second opening; 134-second protrusion; 135-third protrusion; 136-fourth protrusion; 140-first ventilation hole; 150-second ventilation hole; 160-fourth side; 200-first carrier; 300-second carrier; 400-first shell; 410-first groove; 420-third groove; 500-second shell; 510-second groove; 600-sleeve; 700-hanging ear; 800-fifth protrusion; 900-battery cell. DETAILED DESCRIPTION

[0048] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0049] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0050] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0051] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0052] In the present application, unless otherwise clearly specified and limited, a first feature being “above” or “below” a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being “above”, “above”, and “above” a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being “below”, “below”, and “below” a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0053] Embodiment 1

[0054] See also Figure 1 , the present application embodiment provides a battery module installation structure, the battery module installation structure comprises: a plurality of stacked separators 100. Please refer to Figure 4 and Figure 5, two adjacent separators 100 are detachably connected, and the separator 100 has a storage space and a first recessed portion 132. The storage space is used to accommodate a battery cell 900. The first recessed portion 132 is used to accommodate the tabs of the battery cell 900. The separator 100 can separate two adjacent battery cells 900, so as to support and protect the battery cell 900 and the tabs. Compared with the method of assembling batteries using a support plate, under the same material, the separator 100 having the storage space and the first recessed portion 132 is lighter in weight, which can effectively reduce the difficulty of assembling batteries and improve the efficiency of battery assembly.

[0055] In some embodiments, the separator 100 is made of lightweight material. Figures 4 to 6 , the separator 100 includes: a first side surface 110, a second side surface 120, a third side surface 130 and a fourth side surface 160. The fourth side surface 160 is arranged opposite to the first side surface 110. The second side surface 120 connects the first end of the first side surface 110 and the first end of the fourth side surface 160. The third side surface 130 connects the second end of the first side surface 110 and the second end of the fourth side surface 160 to enclose the storage space with the first side surface 110, the second side surface 120 and the fourth side surface 160. The shape of the storage space matches the shape of the battery cell 900. The third side surface 130 has the first recessed portion 132.

[0056] In some embodiments, the storage space is a storage ring. The storage ring formed by the first side surface 110, the second side surface 120 and the fourth side surface 160 has a small volume and light weight under the same material, which can effectively reduce the difficulty of battery assembly and improve the production efficiency of the battery module. On the other hand, the contact area between the storage ring and the battery is small, which increases the heat dissipation surface of the battery and is conducive to extending the service life of the battery.

[0057] In other embodiments, the separator 100 further includes a fifth side surface. The fifth side surface is respectively connected to the first side surface 110, the second side surface 120, the third side surface 130 and the fourth side surface 160, and the fifth side surface is used to support the battery cell 900 in the first direction. The storage space is a storage slot.

[0058] See also Figure 4 and Figure 5In some embodiments, the separator 100 is provided with a first opening 111. When two adjacent separators 100 are stacked, the first opening 111 of one separator 100 forms a first vent 140 with the other separator 100. The first vent 140 can accelerate the heat dissipation speed of the battery cell 900, so as to enhance the safety performance of the battery cell 900.

[0059] In some embodiments, the first opening 111 includes: a first sub-first opening and a second sub-first opening. The first sub-first opening and the second sub-first opening are arranged opposite to each other in the first direction on the partition 100. When two adjacent partitions 100 are stacked, the first sub-first opening of one partition 100 and the second sub-first opening of the other partition 100 form the first ventilation hole 140.

[0060] In some embodiments, the first sub-first opening and the second sub-first opening are disposed opposite to each other on one side or multiple sides of the separator 100 in the first direction.

[0061] In some embodiments, the separator 100 includes: a first side 110, a second side 120, a third side 130 and the fourth side 160, and the first sub-first opening and the second sub-first opening are arranged on the first side 110 and the fourth side 160 relatively in the first direction.

[0062] In other embodiments, the separator 100 includes: a first side 110, a second side 120, a third side 130 and the fourth side 160, and the first sub-first opening and the second sub-first opening are relatively arranged on the first side 110 or the fourth side 160 in the first direction.

[0063] See also Figure 6 and Figure 7 In some embodiments, the separator 100 has a through hole 112. The through hole 112 is arranged along the first direction. The through hole 112 increases the heat dissipation area of ​​the battery cell 900 and improves the safety performance of the battery cell 900. The separator 100 is provided with a first carrier 200 on one side of the through hole 112 close to the battery cell 900. The first carrier 200 is used to support the battery cell 900 in the first direction.

[0064] In some embodiments, the first carrier 200 is disposed on the first side surface 110 and the fourth side surface 160. When the battery cell 900 is placed on the first carrier 200, the battery cell 900 is attached to the first side surface 110 and the fourth side surface 160 to limit the position of the battery cell 900.

[0065] In other embodiments, the first supporting component 200 is disposed on the first side surface 110 or the fourth side surface 160 .

[0066] See also Figure 7 In some embodiments, a second carrier 300 is further disposed on the separator 100. The second carrier 300 is located on a side of the separator 100 close to the first carrier 200, and the second carrier 300 is used to support the battery cell 900 in the first direction.

[0067] In some embodiments, the second carrier 300 is disposed on the second side surface 120 and the third side surface 130. When the battery cell 900 is placed on the second carrier 300, the battery cell 900 fits with the second side surface 120 and the third side surface 130, so as to limit the position of the battery cell 900.

[0068] In other embodiments, the second carrier 300 is disposed on the second side surface 120 or the third side surface 130 .

[0069] In some embodiments, the first carrier 200 is a carrier bar, and the first carrier 200 is arranged along a third direction. The second carrier 300 is a carrier bar, and the second carrier 300 is arranged along a second direction. The third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction. The second direction is perpendicular to the first direction.

[0070] See also Figure 5 In some embodiments, the first side surface 110, the second side surface 120, the third side surface 130 and the fourth side surface 160 form four connections. The separator 100 is provided with a sleeve 600. The number of the sleeves 600 is four, and one sleeve 600 is provided at each connection. The sleeve 600 is used for fixing and installing the separator 100.

[0071] In other embodiments, the number of the sleeves 600 may also be two or three. When the number of the sleeves 600 is two, the sleeves 600 are arranged at non-adjacent connecting parts.

[0072] In some embodiments, a plug rod is inserted into the sleeve 600. Fixing members are sleeved at both ends of the plug rod. The fixing member is detachably connected to the plug rod, so that the plug rod is detachably connected to the sleeve 600, thereby realizing detachable connection of two adjacent partitions 100, and the first shell 400 is detachably connected to the partition 100, and the second shell 500 is detachably connected to the partition 100.

[0073] See also Figure 6 In some embodiments, the first recessed portion 132 includes: a first sub-first recessed portion 1321 and a second sub-first recessed portion 1322, which are used to match a battery cell with a single-side tab. The first sub-first recessed portion 1321 is used to accommodate one tab of the battery cell 900, and the second sub-first recessed portion 1322 is used to accommodate the other tab of the battery cell 900. The first sub-first recessed portion 1321 and the second sub-first recessed portion 1322 are arranged on the same side of the separator 100. The separator 100 is formed with a first protrusion 131 between the first sub-first recessed portion 1321 and the second sub-first recessed portion 1322.

[0074] In other embodiments, the second side surface 120 has a second recessed portion for matching a battery cell with tabs on both sides. The first recessed portion 132 is used to accommodate one tab of the battery cell 900. The second recessed portion is used to accommodate the other tab of the battery cell 900.

[0075] See also Figure 5 and Figure 7 In some embodiments, the separator 100 is provided with a second opening 133 on one side away from the first protrusion 131 in the first direction. The length of the first protrusion 131 in the second direction is less than the length of the second opening 133 in the second direction. When two adjacent separators 100 are stacked, the first protrusion 131 of one separator 100 is inserted into the second opening 133 of the other separator 100 to limit the displacement of the separator 100 in the second direction, and second ventilation holes 150 are formed on both sides of the first protrusion 131.

[0076] In some embodiments, a length of the first protrusion 131 in the first direction is smaller than a length of the first recess 132 in the first direction.

[0077] See also Figure 6In some embodiments, the separator 100 is provided with a second protrusion 134. The second protrusion 134 is located on a side of the separator 100 away from the first recess 132. The second protrusion includes: a first sub-second protrusion and a second sub-second protrusion. The first sub-first recess 1321 is provided on a side of the separator 100 away from the first sub-first recess 1321 in the first direction. The second sub-second protrusion is provided on a side of the separator 100 away from the second sub-first recess 1322 in the first direction. The separator 100 is also provided with a second opening 133. The second opening 133 is located between the first sub-second protrusion and the second sub-second protrusion. When two adjacent separators 100 are stacked, the first protrusion 131 of one separator 100 is inserted into the second opening 133 of the other separator 100, and the first sub-first recess 1321 and the second sub-first recess 1322 of one separator 100 respectively accommodate the first sub-second protrusion and the second sub-second protrusion.

[0078] See also Figure 6 In some embodiments, the separator 100 is provided with a first card slot 113 and a first card block 116 in the first direction. The first card slot 113 and the first card block 116 are provided on a side of the separator 100 away from the battery cell 900, and the shape of the first card slot 113 matches the shape of the first card block 116. When two adjacent separators 100 are stacked, the first card block 116 is inserted into the first card slot 113 to limit the displacement of the separator 100 in the third direction.

[0079] See also Figure 6 and 7 In some embodiments, the separator 100 is provided with a second card slot 114 and a second card block 117 in a first direction. The second card slot 114 and the second card block 117 are provided on a side of the separator 100 close to the battery cell 900, and the shape of the second card slot 114 matches the shape of the second card block 117. When two adjacent separators 100 are stacked, the second card block 117 is inserted into the second card slot 114.

[0080] See also Figure 6 and Figure 7In some embodiments, a third card block 118 is provided on the first card slot 113. A third card slot 115 is provided on the first card block 116. The shape of the third card slot 115 matches the shape of the third card block 118. When two adjacent separators 100 are stacked, the third card block 118 is inserted into the third card slot 115 to limit the displacement of the separator 100 in the first direction.

[0081] See also Figure 5 In some embodiments, the separator 100 is provided with a fourth card slot 121 and a fourth card block 122. The fourth card slot 121 is distributed on the second side surface 120 and the opposite side of the second side surface 120. The fourth card block 122 is arranged on the side of the separator 100 close to the second carrier 300 and / or on the side of the separator 100 away from the second carrier 300. The shape of the fourth card block 122 matches the shape of the fourth card slot 121, and the number of the fourth card blocks 122 is equal to the number of the fourth card slots 121. When two adjacent separators 100 are stacked, the fourth card block 122 is inserted into the fourth card slot 121.

[0082] See also Figure 5 and Figure 6 In some embodiments, the separator 100 is provided with a third protrusion 135 on a side of the first recessed portion 132 away from the battery cell 900. The third protrusion 135 is used to mount a circuit board.

[0083] In some embodiments, the first recessed portion 132 includes: a first sub-first recessed portion 1321 and a second sub-first recessed portion 1322 , and the third protrusion 135 is disposed between the first sub-first recessed portion 1321 and the second sub-first recessed portion 1322 .

[0084] See also Figure 6 and Figure 7 In some embodiments, the separator 100 is provided with two fourth protrusions 136 on the side of the first recessed portion 132 away from the battery cell 900, and the two fourth protrusions 136 are respectively provided on both sides of the first recessed portion 132 to limit the displacement of the circuit board.

[0085] In some embodiments, the first recess 132 includes: a first sub-first recess 1321 and a second sub-first recess 1322, the first sub-first recess 1321 and the second sub-first recess 1322 are arranged on the same side of the partition, and the first sub-first recess 1321 and the second sub-first recess 1322 are located between the two fourth protrusions 136.

[0086] See also Figure 1 and Figure 2 In some embodiments, the battery module installation structure further includes: a first shell 400 and a second shell 500. The separator 100 is disposed on the first shell 400, and the separator 100 is detachably connected to the first shell 400. The second shell 500 is disposed opposite to the first shell 400, and the second shell 500 is located at an end of the separator 100 away from the first shell 400, and the second shell 500 is detachably connected to the separator 100.

[0087] See also Figure 2 In some embodiments, a first groove 410 is provided on the first housing 400. The first groove 410 is used to accommodate one or more partitions 100.

[0088] See also Figure 3 In some embodiments, a second groove 510 is disposed on the second housing 500 . The second groove 510 is disposed opposite to the first groove 410 , and the second groove 510 is used to accommodate one or more of the partitions 100 .

[0089] See also Figure 1 and Figure 2 In some embodiments, a fifth protrusion 800 is provided on the second shell 500, and the fifth protrusion 800 is used to install a circuit board.

[0090] See also Figure 1 and Figure 2 In some embodiments, the battery module installation structure further includes: a hanging ear 700. The hanging ear 700 is disposed on the first shell 400 and the second shell 500, and the hanging ear 700 is used to fix the cable connected to the circuit board.

[0091] In other embodiments, the hanging ear 700 is disposed on the first shell 400 or the second shell 500 .

[0092] See also Figure 2In some embodiments, the separator 100 is provided with the first block 116, and the first shell 400 is provided with a third groove 420. The first block 116 on the separator 100 adjacent to the first shell 400 is inserted into the third groove 420 to limit the displacement of the separator 100 in the third direction. In some embodiments, the separator 100 is provided with the first block 116 and the second block 117, and the first shell 400 is provided with a third groove 420. The first block 116 and the second block 117 on the separator 100 adjacent to the first shell 400 are inserted into the third groove 420 to limit the displacement of the separator 100 in the third direction.

[0093] The battery cell 900 is placed on the first carrier 200 and the second carrier 300. The first side 110, the second side 120, the third side 130, the fourth side 160 and the first protrusion 131 can fix the position of the battery cell 900. When two adjacent separators 100 are stacked, the first ventilation hole 140, the second ventilation hole 150 and the storage ring can increase the heat dissipation surface of the battery cell 900, so as to effectively enhance the safety performance of the battery cell 900. In addition, compared with the method of assembling the battery cell 900 by using a support plate, under the same material, the storage ring formed by the first side 110, the second side 120, the third side 130 and the fourth side 160 is small in size and light in weight, which can effectively reduce the difficulty of assembling the battery cell 900 and improve the production efficiency of the battery module.

[0094] Embodiment 2

[0095] See also Figure 1 An embodiment of the present application provides a battery module, which includes a plurality of battery cells 900 and the mounting structure of the battery module in any one of the above embodiments. The battery cells 900 are mounted in the mounting structure of the battery module, and therefore have all the beneficial effects of the mounting structure of the battery module in any one of the above embodiments, which will not be elaborated here.

[0096] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. 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 may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0097] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A battery module installation structure, characterized in that: include: A plurality of stacked separators, two adjacent separators are detachably connected, and the separators have a storage space and a first recessed portion, wherein the storage space is used to accommodate a battery cell, and the first recessed portion is used to accommodate a tab of the battery cell.

2. The battery module installation structure according to claim 1, characterized in that: The separator comprises: first side; a fourth side surface, arranged opposite to the first side surface; a second side surface, the second side surface connecting the first end of the first side surface and the first end of the fourth side surface; The third side surface is connected to the second end of the first side surface and the second end of the fourth side surface to enclose the storage space together with the first side surface, the second side surface and the fourth side surface, and the third side surface has the first recessed portion.

3. The battery module installation structure according to claim 2, characterized in that: The partition is provided with a first opening. When two adjacent partitions are stacked, the first opening of one partition forms a first ventilation hole with the other partition.

4. The battery module installation structure according to claim 3, characterized in that: The first opening includes a first sub-first opening and a second sub-first opening, and the first sub-first opening and the second sub-first opening are arranged opposite to each other on the partition in a first direction. When two adjacent partitions are stacked, the first sub-first opening of one partition and the second sub-first opening of the other partition form the first ventilation hole.

5. The battery module installation structure according to claim 3, characterized in that: The first opening includes a first sub-first opening and a second sub-first opening, and the first sub-first opening and the second sub-first opening are arranged opposite to each other on a side of the partition in a first direction. When two adjacent partitions are stacked, the first sub-first opening of one partition and the second sub-first opening of the other partition form the first ventilation hole.

6. The battery module installation structure according to claim 2, characterized in that: The separator further includes a fifth side surface, the fifth side surface respectively connecting the first side surface, the second side surface, the third side surface and the third side surface, and the fifth side surface is used to support the battery cell in a first direction.

7. The battery module installation structure according to claim 1, characterized in that: The separator has a through hole. The separator is provided with a first supporting member on a side of the through hole close to the battery cell. The first supporting member is used to support the battery cell in a first direction.

8. The battery module installation structure according to claim 2, characterized in that: A first supporting member is disposed on the first side surface and / or the fourth side surface, and the first supporting member is used for supporting the battery cell in a first direction.

9. The battery module installation structure according to claim 8, characterized in that: A second supporting member is disposed on the second side surface and / or the third side surface, and the second supporting member is used for supporting the battery cell in a first direction.

10. The battery module installation structure according to claim 1, characterized in that: The partition comprises at least two sleeves, and the sleeves are used for fixing and installing the partition.

11. The battery module installation structure according to claim 2, characterized in that: The separator includes at least two sleeves, and the first side surface, the second side surface, the third side surface and the fourth side surface form four connection points, and the sleeves are arranged at the connection points.

12. The battery module installation structure according to claim 11, characterized in that: The separator includes two sleeves, and the sleeves are arranged at non-adjacent connections.

13. The battery module installation structure according to claim 1, characterized in that: The first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion is used to accommodate one tab of the battery cell, and the second sub-first recessed portion is used to accommodate the other tab of the battery cell.

14. The battery module installation structure according to claim 13, characterized in that: The first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the separator, and the separator forms a first protrusion between the first sub-first recessed portion and the second sub-first recessed portion.

15. The battery module installation structure according to claim 14, characterized in that: The separator is provided with a second opening on a side away from the first protrusion in the first direction. When two adjacent separators are stacked, the first protrusion of one separator is inserted into the second opening of the other separator to limit the displacement of the separator in the second direction.

16. The battery module installation structure according to claim 14, characterized in that: The length of the first protrusion in the first direction is smaller than the length of the first recess in the first direction, a first sub-second protrusion is provided on the side of the separator away from the first sub-first recess in the first direction, a second sub-second protrusion is provided on the side of the separator away from the second sub-first recess in the first direction, a second sub-second protrusion is formed on the separator between the first sub-second protrusion and the second sub-second protrusion, and when two adjacent separators are stacked, the first protrusion of one separator is inserted into the second opening of the other separator, and the first sub-first recess and the second sub-first recess of one separator respectively accommodate the first sub-second protrusion and the second sub-second protrusion.

17. The battery module installation structure according to claim 2, characterized in that: The first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion is used to accommodate one tab of the battery cell, and the second sub-first recessed portion is used to accommodate the other tab of the battery cell.

18. The battery module installation structure according to claim 2, characterized in that: The second side surface has a second recessed portion, the first recessed portion is used to accommodate one tab of the battery cell, and the second recessed portion is used to accommodate the other tab of the battery cell.

19. The battery module installation structure according to claim 1, characterized in that: The separator is provided with a first card slot and a first card block in a first direction. When two adjacent separators are stacked, the first card block is inserted into the first card slot to limit the displacement of the separator in a third direction.

20. The battery module installation structure according to claim 19, characterized in that: The separator is provided with a second slot and a second block opposite to each other in a first direction. The first slot and the first block are provided on a side of the separator away from the battery cell, and the second slot and the second block are provided on a side of the separator close to the battery cell.

21. The battery module installation structure according to claim 19, characterized in that: The first card slot is provided with a third card block, and the first card block is provided with a third card slot. When two adjacent separators are stacked, the third card block is inserted into the third card slot to limit the displacement of the separator in the first direction.

22. The battery module installation structure according to claim 1, characterized in that: The separator is provided with a third protrusion on a side of the first recessed portion away from the battery cell, and the third protrusion is used for mounting a circuit board.

23. The battery module installation structure according to claim 22, characterized in that: The first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the partition, and the third protrusion is arranged between the first sub-first recessed portion and the second sub-first recessed portion.

24. The battery module installation structure according to claim 1, characterized in that: The separator is provided with two fourth protrusions on a side of the first recessed portion away from the battery cell, and the two fourth protrusions are respectively provided on both sides of the first recessed portion to limit the displacement of the circuit board.

25. The battery module installation structure according to claim 24, characterized in that: The first recessed portion includes a first sub-first recessed portion and a second sub-first recessed portion, the first sub-first recessed portion and the second sub-first recessed portion are arranged on the same side of the partition, and the first sub-first recessed portion and the second sub-first recessed portion are located between the two fourth protrusions.

26. The battery module installation structure according to any one of claims 1 to 25, characterized in that: The battery module installation structure also includes: A first shell, the partition is disposed on the first shell, and the partition is detachably connected to the first shell; The second shell is arranged opposite to the first shell, and the second shell is located at an end of the partition away from the first shell, and the second shell is detachably connected to the partition.

27. The battery module installation structure according to claim 26, characterized in that: The first shell is provided with a first groove, and the first groove is used to accommodate one or more partitions.

28. The battery module installation structure according to claim 26, characterized in that: The second shell is provided with a fifth protrusion, and the fifth protrusion is used for mounting a circuit board.

29. The battery module installation structure according to claim 26, characterized in that: The first shell and / or the second shell is provided with a hanging ear, and the hanging ear is used to fix the cable connected to the circuit board.

30. The battery module installation structure according to claim 26, characterized in that: The first shell is provided with a third groove, and the first clamping block on the partition adjacent to the first shell is inserted into the third groove to limit the displacement of the partition in the third direction.

31. A battery module, characterized in that: The battery module comprises a plurality of batteries and a mounting structure of the battery module according to any one of claims 1 to 30, and the battery cells are mounted in the mounting structure of the battery module.

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