Battery module
By designing tube guides in the battery module to form a gas discharge channel, the problem of difficult high-temperature gas in secondary battery fires is solved, and effective gas discharge and safety performance improvement is achieved.
Patent Information
- Application Number
- CN202421196076.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Priority Date
- 2023-08-24
- Filing Date
- 2024-05-29
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-05-29
AI Technical Summary
If the high-temperature gas generated by secondary battery fire is not discharged, it may be difficult to extinguish the fire, resulting in safety accidents.
A battery module is designed, including a plurality of battery cell units and a module housing. Each battery cell in the battery cell is equipped with a tube guide member. The tube guide member includes a tube guide head and a tube guide wing, which is combined with the battery cell and module housing to form a gas discharge channel.
The battery module can effectively discharge gas, prevent fire from spreading and improve safety performance.
Smart Images
Figure CN222620043U_ABST
Abstract
Description
Technical Field
[0001] The present disclosure relates to a battery module. Background Art
[0002] If a secondary battery catches fire, high-temperature gas may be generated. If the high-temperature gas is not discharged to the outside, it may be difficult to extinguish the fire, which may cause a safety accident. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] According to one aspect of the present disclosure, a battery module that easily discharges gas may be provided.
[0005] (II) Technical solution
[0006] According to the present disclosure, a battery module may include: a plurality of battery cell units; and a module shell, accommodating the plurality of battery cell units, each of the plurality of battery cell units may include: a battery cell; and a tube guide, coupled to the battery cell, the tube guide may include: a tube guide head, coupled to the upper surface of the battery cell; and a tube guide wing, bent and extended downward from the tube guide head, connected to the tube guide head, and coupled to the module shell.
[0007] (III) Beneficial effects
[0008] A battery module according to one embodiment of the present disclosure may effectively exhaust gas.
[0009] The battery module disclosed herein can be widely used in electric vehicles, battery charging stations, and other green technology fields such as solar power generation and wind power generation using batteries.
[0010] The battery module of the present disclosure can be used in eco-friendly electric vehicles, hybrid vehicles, and the like that prevent climate change by suppressing air pollution and greenhouse gas emissions. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 is a diagram illustrating a battery module according to one embodiment of the present disclosure.
[0012] Figure 2 yes Figure 1 An exploded perspective view of the battery module is shown.
[0013] Figure 3 is a diagram showing a module case including a mounting frame.
[0014] Figure 4 yes Figure 3 The module housing is shown in a cross-sectional view taken along line B1 - B2 .
[0015] Figure 5 2 is a diagram showing a module housing including a bracket housing.
[0016] Figure 6 yes Figure 5 The module housing shown is a cross-sectional view taken along line C1 - C2 .
[0017] Figure 7 yes Figure 1 The battery module shown is a cross-sectional view taken along line A1 - A2 .
[0018] Figure 8 is a diagram illustrating a cooler assembly according to one embodiment of the present disclosure.
[0019] Fig. 9 yes Figure 8 A cross-sectional view of the cooler assembly is shown taken along line D1 - D2 .
[0020] Fig.10 yes Figure 8 The cooler assembly is shown in cross-section along line E1-E2.
[0021] Fig.11 is an exploded perspective view of a battery cell unit according to an embodiment of the present disclosure.
[0022] Fig.12 It is shown Fig.11 A diagram showing a state in which a battery cell and a tube guide are combined.
[0023] Fig.13 yes Fig.12 The shown battery cell unit is a cross-sectional view taken along line F1 - F2 .
[0024] Fig.14 yes Fig.12 The shown cell is a cross-sectional view taken along line G1 - G2. DETAILED DESCRIPTION
[0025] Next, we will refer to Figures 1 to 14 The present disclosure is described in detail. However, this is merely exemplary, and the present disclosure is not limited to the specific embodiments described as examples.
[0026] The battery module of the present disclosure may be applied to a pouch-shaped cell, a cylindrical cell, a prismatic cell, etc. The electrode assembly may be a winding type, a stacking type, a z-folding type, or a stack-folding type.
[0027] Figure 1 is a diagram illustrating a battery module according to one embodiment of the present disclosure. Figure 2 yes Figure 1 An exploded perspective view of the battery module is shown.
[0028] Reference Figure 1 and Figure 2 The battery module 10 may include a module housing 100. The module housing 100 may form an appearance of the battery module 10. For example, the module housing 100 may form a lateral face and a bottom face of the battery module 10. The lateral face of the battery module 10 may include a front face, a rear face, a left face, and a right face of the battery module 10, etc.
[0029] The module housing 100 may form a space open to one side. For example, the module housing 100 may form a space open upward. For example, the battery cell unit 1000 may move from above the module housing 100 to a space formed inside the module housing 100 to be accommodated in the module housing 100.
[0030] The battery module 10 may include a battery cell unit 1000. For example, the battery module 10 may include a plurality of battery cell units 1000. The battery cell unit 1000 may include a battery cell 1100 (see Fig.11 ) and combined with the battery cell 1100 (refer to Fig.11 ) of the duct guide 1200 (see Fig.11 ).
[0031] At least one battery cell unit 1000 may be accommodated in the module case 100. A plurality of battery cell units 1000 may be located inside the module case 100 in an aligned state.
[0032] The battery module 10 may include a cooler assembly 200. The cooler assembly 200 may be accommodated in the module housing 100. The cooler assembly 200 may be coupled to the module housing 100. For example, the cooler assembly 200 may be coupled to a lower portion of the module housing 100. The cooler assembly 200 may be supported by the module housing 100.
[0033] The cooler assembly 200 may be in contact with the battery cell unit 1000. For example, the cooler assembly 200 may be located below at least a portion of one of the battery cell units 1000. The cooler assembly 200 may be located below the battery cell 1100 (see Fig.11) and can support the battery cell 1100 (refer to Fig.11 ).
[0034] For example, the cooler assembly 200 may be in contact with the lower surface of the battery cell unit 1000. For example, the cooler assembly 200 may be in contact with the battery cell 1100 (refer to Fig.11 )’s lower surface in contact.
[0035] The cooler assembly 200 may circulate a refrigerant. For example, the cooler assembly 200 may perform heat exchange with the battery cell unit 1000. For example, at least a portion of the heat generated in the battery cell unit 1000 may be transferred to the cooler assembly 200. For example, the battery cell 1100 (see FIG. 1 ) of the battery cell unit 1000 may be heated to a temperature of at least about 100°. Fig.11 ) can be transferred to the cooler assembly 200. At least a portion of the heat transferred to the cooler assembly 200 can be transferred to the refrigerant flowing in the cooler assembly 200.
[0036] The cooler assembly 200 may be coupled to the battery cell unit 1000. For example, the tube guide 1200 (see Fig.11 ) may be coupled to the cooler assembly 200. For example, the tube guide 1200 (refer to Fig.11 ) can be inserted into the cooler assembly 200.
[0037] Figure 3 is a diagram showing a module case including a mounting frame. Figure 4 yes Figure 3 The module housing is shown in a cross-sectional view taken along line B1 - B2 .
[0038] Reference Figure 3 and Figure 4 The module housing 100 may form a battery module 10 (see Figure 1 and Figure 2 ) side (lateral face). The battery module 10 (refer to Figure 1 and Figure 2 ) can be viewed from the side of the battery module 10 (refer to Figure 1 and Figure 2 ) extends from an upper surface (top face) to a lower surface (bottom face).
[0039] For example, the module housing 100 may include a module front housing 130. The module front housing 130 may form a front face of the module housing 100. The module front housing 130 may form at least one opening. Figure 2) can pass through an opening formed in the module front case 130.
[0040] For example, the module case 100 may include a module rear case 140. The module rear case 140 may form a rear face of the module case 100. The module rear case 140 may be located at the rear of the module front case 130 and may face the module front case 130.
[0041] A plurality of battery cells 1000 (see Figure 2 ) may be located behind the module front housing 130 and in front of the module rear housing 140. For example, a plurality of battery cell units 1000 (see Figure 2 ) may be stacked in the front-to-rear direction and located between the module front case 130 and the module rear case 140.
[0042] For example, the module housing 100 may include a first module side housing 110. The first module side housing 110 may extend backward from one side of the module front housing 130 to one side of the module rear housing 140. For example, the first module side housing 110 may form a left lateral face or a port side face of the module housing 100.
[0043] For example, the module housing 100 may include a second module side housing 120. The second module side housing 120 may extend rearward from the other side of the module front housing 130 to the other side of the module rear housing 140. For example, the second module side housing 120 may form the right lateral face (or starboard side face) of the module housing 100.
[0044] The first module-side housing 110 and the second module-side housing 120 may face each other and be spaced apart from each other. Figure 2 ) may be disposed between the first module-side housing 110 and the second module-side housing 120 .
[0045] The module side housing 110, 120, 130, 140 may include or refer to at least one of a first module side housing 110, a second module side housing 120, a module front housing 130, and a module rear housing 140. The module side housing 110, 120, 130, 140 may accommodate the battery cell unit 1000. The module side housing 110, 120, 130, 140 may be opened up and down.
[0046] The module case 100 may include a module lower case 150. The module lower case 150 may form the bottom of the module case 100. For example, the module lower case 150 may be connected or coupled to the module-side cases 110, 120, 130, 140.
[0047] For example, the module lower case 150 may be connected or coupled to the lower end of the module side cases 110, 120, 130, 140. For example, the module lower case 150 may extend from the lower end of the first module side case 110 to the lower end of the second module side case 120.
[0048] For example, the module lower case 150 may be spaced apart from the module side cases 110, 120, 130, 140. For example, the module lower case 150 may be spaced apart from at least a portion of the lower end of the module front case 130. For example, the module lower case 150 may be spaced apart from at least a portion of the lower end of the module rear case 140.
[0049] The module housing 100 may include a seating frame 160. The seating frame 160 may be formed at the module-side housing 110, 120, 130, 140 or coupled to the module-side housing 110, 120, 130, 140. The seating frame 160 may protrude from the module-side housing 110, 120, 130, 140. For example, the seating frame 160 may protrude from the inner side of the module-side housing 110, 120, 130, 140.
[0050] The inner side surfaces of the module-side cases 110, 120, 130, 140 may face or be oriented toward the inner space formed in the module case 100. The outer side surfaces of the module-side cases 110, 120, 130, 140 may face or be oriented toward the outside of the module case 100.
[0051] The mounting frame 160 can be connected to the cooler assembly 200 (see Figure 2 ) combination. For example, the placement frame 160 can be combined with the cooler assembly 200 (refer to Figure 2 )’s periphery.
[0052] For example, the mounting frame 160 may be located within the cooler assembly 200 (see Figure 2 ). For example, the mounting frame 160 may be disposed below the cooler assembly 200 (see Figure 2 ) is supported below the periphery of the cooler assembly 200 (refer to Figure 2 ).
[0053] For example, the seating frame 160 may be located above the module lower case 150. For example, the seating frame 160 may be spaced apart from the module lower case 150.
[0054] For example, in the cooler assembly 200 (refer to Figure 2 ) is placed on the placement frame 160, the cooler assembly 200 (refer to Figure 2 ) may be located above the module lower case 150 and may be spaced apart from the module lower case 150 .
[0055] For example, in the cooler assembly 200 (refer to Figure 2 ) is placed on the placement frame 160, in the state where the cooler assembly 200 (refer to Figure 2 ) and the module lower housing 150 may form a gap or space. Figure 2 ) and the module lower housing 150 may be communicated or connected with an opening formed between the module-side housings 110 , 120 , 130 , 140 and the module lower housing 150 .
[0056] Figure 5 2 is a diagram showing a module housing including a bracket housing. Figure 6 yes Figure 5 The module housing shown is a cross-sectional view taken along line C1 - C2 . Figure 5 and Figure 6 The module side housings 110, 120, 130, 140 and the module lower housing 150 of the module housing 100 shown in the figure can be respectively connected to Figure 3 and Figure 4 The module-side housings 110 , 120 , 130 , 140 and the module lower housing 150 of the module housing 100 shown are substantially identical.
[0057] Reference Figure 5 and Figure 6 , the module housing 100 may include a bracket housing 170. The bracket housing 170 may include a bracket housing body 171.
[0058] The bracket housing body 171 may be coupled or connected to the module-side housings 110, 120, 130, 140. For example, the bracket housing 170 may be coupled or connected to the lower end of the module-side housings 110, 120, 130, 140.
[0059] The bracket housing body 171 may be in a plate shape. For example, the bracket housing body 171 may be formed with two surfaces.
[0060] For example, the upper surface of the support housing body 171 may face upward. For example, the upper surface of the support housing body 171 may face the cooler assembly 200 (refer to Figure 2 ) and in contact with the cooler assembly 200.
[0061] For example, the lower face of the bracket housing body 171 may face downward. For example, the lower face of the bracket housing body 171 may be located above the module lower housing 150 and may face the module lower housing 150 .
[0062] A gap or space may be formed between the support housing body 171 and the module lower housing 150. The gap or space between the support housing body 171 and the module lower housing 150 may communicate or connect with an opening formed between the module-side housings 110, 120, 130, 140 and the module lower housing 150.
[0063] The bracket housing 170 may include a bracket housing slot 172. The bracket housing slot 172 may be a slot or an opening formed in the bracket housing body 171.
[0064] The bracket housing groove 172 may be connected to the upper surface and the lower surface of the bracket housing body 171. For example, the bracket housing groove 172 may extend from the upper surface of the bracket housing body 171 to the lower surface of the bracket housing body 171.
[0065] The support housing 170 may be coupled or connected to the battery cell unit 1000 (see Figure 2 For example, the battery cell 1000 (refer to Figure 2 ) can be inserted into the bracket housing groove 172. For example, the battery cell unit 1000 (refer to Figure 2 ) of the pipe guide 1200 (refer to Fig.11 ) can be inserted into the bracket housing groove 172.
[0066] The bracket housing groove 172 can be connected to the battery cell unit 1000 (see Figure 2 ) corresponds to. For example, the number of the bracket housing slots 172 can be the same as the number of the battery cell unit 1000 (refer to Figure 2 ) are the same number.
[0067] The bracket housing slot 172 may be formed in the cooler assembly 200 (see Figure 2 ) corresponds to a slot in the housing. For example, each of the plurality of bracket housing slots 172 may be located in a portion of the housing formed in the cooler assembly 200 (see Figure 2 ) below the corresponding groove in the plurality of grooves and connected to the corresponding groove (refer to Figure 2 ).
[0068] Reference Figures 3 to 6 , the module case 100 may include a bracket case 170 and a seating frame 160. Although not shown in the drawings, the bracket case 170 may be seated, coupled or connected to the seating frame 160.
[0069] The supporting portion 160, 170 may include or refer to at least one of the seating frame 160 and the bracket housing 170. The supporting portion 160, 170 may support the cooler assembly 200. The supporting portion 160, 170 may be located below the cooler assembly 200.
[0070] Figure 7 yes Figure 1 The battery module shown is a cross-sectional view taken along line A1 - A2 .
[0071] Reference Figure 1 , Figure 2 , Figures 5 to 7 , the module housing 100 may form or include a tube space 180. The tube space 180 may be a gap or space formed between the support housing 170 and the module lower housing 150. For another example, the tube space 180 may be a gap or space formed between the cooler assembly 200 and the module lower housing 150.
[0072] The cooler assembly 200 may be located above the support portions 160, 170 and may be supported by the support portions 160, 170. For example, the cooler assembly 200 may be located above the bracket housing 170 and may be supported by the bracket housing 170.
[0073] At least a portion of the battery cell unit 1000 may be located above the cooler assembly 200. For example, the battery cell 1100 (see Fig.11 ) may be located above the cooler assembly 200 and may be supported by the cooler assembly 200 .
[0074] At least another portion of the battery cell unit 1000 may be coupled or connected to the cooler assembly 200. The tube guide 1200 (see Fig.11 ) can be combined or connected to the cooler assembly 200. For example, the tube guide 1200 (see Fig.11 ) can be inserted into a slot formed in the cooler assembly 200.
[0075] The pipe guide 1200 of the battery cell unit 1000 (see Fig.11 ) can be located in the tube space 180. The tube guide 1200 (see Fig.11 ) can face or toward the module lower housing 150.
[0076] At least a portion of the gas generated in the battery cell unit 1000 may be discharged through the pipe guide 1200 (see Fig.11 ) and flows into the tube space 180. The gas flowing into the tube space 180 can be discharged to the outside of the battery module 10. Therefore, when a fire occurs in the battery cell unit 1000, the gas and / or flame generated in the battery cell unit 1000 can be effectively discharged to the outside of the battery module 10.
[0077] Figure 8 is a diagram illustrating a cooler assembly according to one embodiment of the present disclosure. Fig. 9 yes Figure 8 A cross-sectional view of the cooler assembly is shown taken along line D1 - D2 . Fig.10 yes Figure 8 The cooler assembly is shown in cross-section along line E1-E2.
[0078] Reference Figures 8 to 10 , the cooler assembly 200 may include a cooler body 210. The cooler body 210 may be in a plate shape. For example, the cooler body 210 may form two surfaces. For example, the cooler body 210 may form an upper surface and a lower surface.
[0079] For example, the cooler body 210 may include a cooler top 211. The cooler top 211 may form an upper surface of the cooler assembly 200. The cooler top 211 may face upward or face upward.
[0080] For example, the cooler body 210 may include a cooler bottom 212. The cooler bottom 212 may form a lower surface of the cooler assembly 200. The cooler bottom 212 may face downward or downward. The cooler bottom 212 may be located below the cooler top 211.
[0081] For example, the cooler body 210 may include a cooler side 213. The cooler side 213 may form a side of the cooler assembly 200. The cooler side 213 may extend from the cooler top 211 to the cooler bottom 212. For example, the cooler side 213 may extend downward from an edge of the cooler top 211 to an edge of the cooler bottom 212.
[0082] The cooler assembly 200 may include a cooler slot 220. The cooler slot 220 may be formed at the cooler body 210.
[0083] The cooler trough 220 may include a cooler trough wall 221. The cooler trough wall 221 may be connected or coupled to the cooler body 210. For example, the cooler trough wall 221 may extend from the cooler body 210. For example, the cooler trough wall 221 may extend downward from the cooler top 211 to the cooler bottom 212.
[0084] The cooler tank 220 may include a cooler tank space 222. The cooler tank space 222 may be formed by the cooler tank wall 221. For example, the cooler tank space 222 may be a space formed by the cooler tank wall 221. For example, the outer side of the cooler tank wall 221 may face or be toward the cooler tank space 222. The cooler tank space 222 may be open up and down.
[0085] The cooler assembly 200 may include a cooler baffle 230. The cooler baffle 230 may be coupled to the cooler body 210. For example, the cooler baffle 230 may extend downward from the cooler top 211 to the cooler bottom 212.
[0086] The cooler baffle 230 may be connected or coupled to the front face of the cooler body 210. The cooler baffle 230 may extend rearward from the front face of the cooler body 210. The front end of the cooler baffle 230 may divide the front face of the cooler body 210 into two parts.
[0087] The cooler baffle 230 may be spaced apart from a rear end of the cooler body 210. For example, a rear end of the cooler baffle 230 may be located in front of the rear end of the cooler body 210 and may be spaced apart from the rear end of the cooler body 210.
[0088] The cooler partition 230 may divide the internal space formed in the cooler assembly 200 into a plurality of spaces. For example, the cooler partition 230 may divide the cooler flow space 250 into two. For example, the cooler partition 230 may divide the cooler flow space 250 into a first cooler flow space 251 and a second cooler flow space 252.
[0089] The cooler assembly 200 may include a cooler interface 240. The cooler interface 240 may be connected or coupled to the cooler body 210, or may be formed at the cooler body 210. The cooler interface 240 may connect the cooler body 210 and an external device. For example, a refrigerant may flow into the cooler flow space 250 through the cooler interface 240 or may be discharged from the cooler flow space 250 to the outside.
[0090] For example, the cooler interface 240 may include a cooler inlet port 241. The cooler inlet port 241 may be connected or coupled to the cooler body 210, or formed at the cooler body 210. The cooler inlet port 241 may communicate with the cooler body 210. Refrigerant may flow into the cooler flow space 250 through the cooler inlet port 241.
[0091] The cooler inlet port 241 may be formed at or located at the front portion of the cooler body 210. The cooler inlet port 241 may be in the shape of a pipe. The cooler inlet port 241 may pass through a portion formed at the module front housing 130 (see FIG. 1 ). Figure 3 ) opening.
[0092] For example, the cooler interface 240 may include a cooler outlet port 242. The cooler outlet port 242 may be connected or coupled to the cooler body 210, or formed at the cooler body 210. The cooler outlet port 242 may communicate with the cooler body 210. The refrigerant may be discharged to the outside through the cooler inlet port 242.
[0093] The cooler outlet port 242 may be formed at or located at the front portion of the cooler body 210. The cooler outlet port 242 may be in the shape of a pipe. The cooler outlet port 242 may pass through a portion formed at the module front housing 130 (see FIG. 1 ). Figure 3 The cooler outlet port 242 may be spaced apart from the cooler inlet port 241 .
[0094] The cooler assembly 200 may include a cooler flow space 250. The cooler flow space 250 may be a space formed in the cooler body 210. For example, the cooler body 210, the cooler groove wall 221, and the cooler partition 230 may form the cooler flow space 250. The cooler flow space 250 may be a space where a refrigerant flows.
[0095] The cooler flow space 250 may include a first cooler flow space 251. The first cooler flow space 251 may be connected or communicated with the cooler inlet port 241. The refrigerant may flow into the first cooler flow space 251 through the cooler inlet port 241.
[0096] The cooler flow space 250 may include a second cooler flow space 252. The second cooler flow space 252 may be connected or communicated with the cooler outlet port 242. The refrigerant may be discharged from the second cooler flow space 252 to the outside through the cooler outlet port 242.
[0097] For example, a portion of the first cooler flow space 251 and a portion of the second cooler flow space 252 may be separated from each other by the cooler partition 230. For example, a portion of the first cooler flow space 251 and a portion of the second cooler flow space 252 may be separated from each other across the cooler partition 230.
[0098] The first cooler flow space 251 and the second cooler flow space 252 may be communicated or connected to each other. For example, the rear end of the first cooler flow space 251 may be communicated or connected to the rear end of the second cooler flow space 252 .
[0099] The refrigerant may flow into the first cooler flow space 251 through the cooler inlet port 241. The refrigerant flowing into the first cooler flow space 251 may move toward the rear end of the cooler body 210. The refrigerant may turn at the rear end of the cooler body 210 and flow into the second cooler flow space 252. The refrigerant flowing into the second cooler flow space 252 may move toward the cooler outlet port 242.
[0100] Fig.11 is an exploded perspective view of a battery cell unit according to an embodiment of the present disclosure. Fig.12 It is shown Fig.11 A diagram showing a state in which a battery cell and a tube guide are combined. Fig.13 yes Fig.12 The shown battery cell unit is a cross-sectional view taken along line F1 - F2 . Fig.14 yes Fig.12 The shown battery cell unit is a cross-sectional view taken along line G1 - G2 .
[0101] Reference Figures 11 to 14 , the battery cell unit 1000 may include a battery cell 1100 and a tube guide 1200 .
[0102] The battery cell 1100 may include a battery cell case 1110. The battery cell case 1110 may form an appearance of the battery cell 1100. The battery cell case 1110 may accommodate an electrode assembly (not shown). The battery cell case 1110 may be made of a material including metal.
[0103] The electrode assembly (not shown) of the battery cell 1100 may have electric energy. The charge state of the battery cell 1100 may be a state in which the electrode assembly (not shown) of the battery cell 1100 has electric energy greater than or equal to the first specific energy. The discharge state of the battery cell 1100 may be a state in which the electrode assembly (not shown) of the battery cell 1100 has electric energy less than or equal to the second specific energy or has no electric energy. The second specific energy may be less than the first specific energy.
[0104] The cell case 1110 may include a cell upper case 1111. The cell upper case 1111 may form an upper face of the cell 1100. The cell upper case 1111 may be located above an electrode assembly (not shown).
[0105] The cell case 1110 may include a cell side case 1112. The cell side case 1112 may be connected or coupled to the cell upper case 1111.
[0106] For example, the cell-side case 1112 may extend downward from the periphery of the cell-upper case 1111. For example, the cell-upper case 1111 may be connected or coupled to an upper end of the cell-side case 1112.
[0107] The battery cell 1100 may include an electrode terminal 1120. The electrode terminal 1120 may be formed in plurality. For example, the electrode terminal 1120 may include a first electrode terminal 1121 and a second electrode terminal 1122. The electrode terminal 1120 may include or refer to at least one of the first electrode terminal 1121 and the second electrode terminal 1122.
[0108] The first electrode terminal 1121 and the second electrode terminal 1122 may be spaced apart from each other. The first electrode terminal 1121 and the second electrode terminal 1122 may form different electric potentials. For example, the first electrode terminal 1121 may be a positive polarity, and the second electrode terminal 1122 may be a negative polarity.
[0109] The electrode terminal 1120 may be located on the cell upper case 1111 or coupled or connected to the cell upper case 1111. The electrode terminal 1120 may form a portion of an upper surface of the cell 1100.
[0110] The electrode terminal 1120 may be connected to an electrode assembly (not shown). For example, the electrode terminal 1120 may be electrically connected to an electrode assembly (not shown). The electrode terminal 1120 may be electrically connected to an external device.
[0111] For example, the electrode terminal 1120 may be connected to a power consuming device. For example, the battery cell 1100 may provide electric power to the power consuming device. Through this process, the battery cell 1100 may be discharged.
[0112] For example, the electrode terminal 1120 may be connected to an external power source. For example, the battery cell 1100 may receive power from the external power source. Through this process, the battery cell 1100 may be charged.
[0113] The cell 1100 may include a cell duct 1130. The cell duct 1130 may be coupled or connected to the cell upper case 1111, or formed on the cell upper case 1111. The cell duct 1130 may have a shape that is recessed from the cell upper case 1111. The cell duct 1130 may be recessed upward.
[0114] The battery tube 1130 may include a battery tube wall 1131. The battery tube wall 1131 may be combined or connected to the battery upper housing 1111. For example, the upper end of the battery tube wall 1131 may be combined or connected to the battery upper housing 1111. For example, the battery tube wall 1131 may extend or protrude downward from the battery upper housing 1111.
[0115] The cell tube wall 1131 may form a hollow portion. The hollow portion formed in the cell tube wall 1131 may be open at the upper end or / and the lower end of the cell tube wall 1131. For example, the cell tube wall 1131 may extend or protrude downward from an opening formed in the cell tube wall 1131.
[0116] The battery core tube 1130 may include a battery core tube plate 1132. The battery core tube plate 1132 may be combined or connected to the battery core tube wall 1131. For example, the battery core tube plate 1132 may be combined or connected to the lower end of the battery core tube wall 1131. For example, the battery core tube plate 1132 may extend from the lower end of the battery core tube wall 1131.
[0117] The cell tube plate 1132 may seal the lower end of the hollow portion formed in the cell tube wall 1131. In other words, the cell tube plate 1132 may seal the lower end of the hollow portion formed in the cell tube wall 1131. For example, the cell tube plate 1132 may separate the hollow portion of the cell tube wall 1131 from the inner space of the cell housing 1110.
[0118] The cell tube plate 1132 may rupture under a certain pressure. For example, when a fire or thermal runaway occurs inside the cell 1100 , the internal pressure of the cell case 1110 may increase.
[0119] The internal pressure of the cell case 1110 may be applied to the cell tube plate 1132. For example, gas or flame generated in the cell case 1110 may provide upward pressure to the cell tube plate 1132.
[0120] When the internal pressure of the cell case 1110 is greater than or equal to a specific pressure, the cell tube plate 1132 may rupture. If the cell tube plate 1132 ruptures, gas or flame may move from the inside of the cell case 1110 to the outside through the cell tube wall 1131.
[0121] The battery tube 1130 may include a battery tube connector 1133. The battery tube connector 1133 may be formed on the battery tube wall 1131, or be combined or connected to the battery tube wall 1131. For example, the battery tube connector 1133 may be formed on the battery tube wall 1131. For example, the battery tube connector 1133 may be recessed toward a hollow portion formed on the battery tube wall 1131. The battery tube connector 1133 may be combined to the tube guide 1200. For another example, the battery tube connector 1133 may be formed on the battery cell upper housing 1111, or be combined or connected to the battery cell upper housing 111.
[0122] The tube guide 1200 may include a tube guide head 1210 and a tube guide wing 1220. The tube guide 1200 may be coupled to the battery cell 1100. For example, the tube guide 1200 may be detachably coupled to the battery cell 1100.
[0123] The tube guide head 1210 may include a tube guide head body 1211. The tube guide head body 1211 may be connected or coupled to the battery cell housing 1110. For example, the tube guide head body 1211 may be connected or coupled to the battery cell upper housing 1111. The tube guide head body 1211 may be located above the battery cell upper housing 1111.
[0124] The tube guide head body 1211 may include a tube guide head body top 1211t. The tube guide head body top 1211t may form an upper surface of the tube guide head body 1211. The tube guide head body top 1211t may be in a plate shape or a sheet shape.
[0125] The tube guide head body 1211 may include a tube guide head body bottom 1211b. The tube guide head body bottom 1211b may form a lower surface of the tube guide head body 1211. The tube guide head body bottom 1211b may be located above the battery cell upper housing 1111.
[0126] The tube guide head body bottom 1211b may be located below the tube guide head body top 1211t. For example, the tube guide head body bottom 1211b and the tube guide head body top 1211t may be spaced apart from each other.
[0127] For another example, the arrangement relationship between the tube guide head body bottom 1211 b and the tube guide head body top 1211 t may depend on the internal pressure of the tube guide head body 1211 .
[0128] For example, when the internal pressure of the tube guide head body 1211 is relatively low, the tube guide head body bottom 1211b and the tube guide head body top 1211t may contact each other.
[0129] For example, when the internal pressure of the tube guide head body 1211 is relatively high, the tube guide head body bottom 1211b and the tube guide head body top 1211t may be spaced apart from each other.
[0130] The tube guide head body 1211 may include a tube guide head body side 1211s. The tube guide head body side 1211s may connect the tube guide head body top 1211t and the tube guide head body bottom 1211b. The tube guide head body side 1211s may extend from the tube guide head body top 1211t to the tube guide head body bottom 1211b. The tube guide head body side 1211s may form the periphery of the tube guide head body 1211.
[0131] The tube guide head 1210 may include a tube guide head coupler 1213. The tube guide head coupler 1213 may be connected or coupled to the tube guide head body 1211, or formed on the tube guide head body 1211.
[0132] For example, the tube guide head coupler 1213 may extend from the tube guide head body 1211. For example, the tube guide head coupler 1213 may extend or protrude downward from an opening formed at the bottom 1211b of the tube guide head body.
[0133] The tube guide head coupler 1213 may be coupled to the battery cell 1100. For example, the tube guide head coupler 1213 may be detachably coupled to the battery cell 1100.
[0134] For example, the tube guide head coupler 1213 may be coupled to the electric core tube coupler 1133. For example, the tube guide head coupler 1213 may be detachably coupled to the electric core tube coupler 1133.
[0135] The tube guide head 1210 may include a tube guide head inlet 1212. The tube guide head inlet 1212 may be a hollow portion, a hole or an opening formed in the tube guide head coupler 1213. The tube guide head inlet 1212 may be communicated or connected with a hollow portion formed in the battery core tube wall 1131.
[0136] The tube guide head 1210 may include a tube guide head channel 1214. The tube guide head channel 1214 may be connected or communicated with the tube guide head inlet 1212. The tube guide head channel 1214 may be formed between the tube guide head body top 1211t and the tube guide head body bottom 1211b.
[0137] The tube guide wing 1220 may include a tube guide wing body 1221. The tube guide wing body 1221 may be connected or coupled to the tube guide head body 1211. For example, the tube guide wing body 1221 may be bent downward from the tube guide head body 1211 and extend.
[0138] The tube guide wing body 1221 may include a tube guide wing body inner portion 1221i. The tube guide wing inner portion 1221i may be bent downward from the tube guide head body bottom 1211b and extend. The tube guide wing inner portion 1221i may face or contact the cell side housing 1112.
[0139] The tube guide wing body 1221 may include a tube guide wing body outer portion 1221t. The tube guide wing outer portion 1221t may be bent downward and extend from the tube guide head body top 1211t.
[0140] The tube guide wing 1220 may include a tube guide wing channel 1222. The tube guide wing channel 1222 may be formed between the tube guide wing inner portion 1221i and the tube guide wing outer portion 1221t. The tube guide wing channel 1222 may be connected or communicated with the tube guide head channel 1214.
[0141] The tube guide wing body 1221 can pass through the cooler assembly 200 (refer to Figure 7 ). The tube guide wing body 1221 can pass through the bracket housing 170 (refer to Figure 7 For example, the lower end of the tube guide wing body 1221 may be located in the tube space 180 (see Figure 7 )middle.
[0142] An opening may be formed at the lower end of the tube guide wing body 1221. The opening formed at the lower end of the tube guide wing body 1221 may be communicated or connected to the tube guide wing channel 1222.
[0143] Reference Figures 1 to 14 , the tube guide head inlet 1212, the tube guide head channel 1214 and the tube guide wing channel 1222 can be connected or connected in sequence. The tube guide channels 1212, 1214, 1222 can include or refer to at least one of the tube guide head inlet 1212, the tube guide head channel 1214 and the tube guide wing channel 1222.
[0144] A portion of the lower ends of the module-side housings 110, 120, 130, 140 may be located above the module lower housing 150 and may be spaced apart from the module lower housing 150. For example, the lower ends of the module front housing 130 and the module rear housing 140 may be located above the module lower housing 150 and may be spaced apart from the module lower housing 150.
[0145] When the internal pressure of the cell case 1110 is greater than or equal to a certain pressure, the cell tube plate 1132 may rupture. If the cell tube plate 1132 ruptures, gas or flame may move from the inside of the cell case 1110 through the cell tube wall 1131 to the outside and flow into the tube guide head inlet 1212.
[0146] The gas or flame flowing into the tube guide head inlet 1212 may flow into the tube guide wing channel 1222 through the tube guide head channel 1214. The gas or flame flowing into the tube guide wing channel 1222 may flow into the tube space 180. The gas or flame flowing into the tube space 180 may be discharged to the outside of the battery module 10.
[0147] The above contents are merely examples of applying the principles of the present disclosure, and other configurations may also be included without departing from the scope of the present disclosure.
Claims
1. A battery module, characterized in that: include: Multiple battery cells; as well as A module housing, accommodating the plurality of battery cells, Each of the plurality of battery cell units comprises: Battery cells; and a tube guide, coupled to the battery cell, The tube guide comprises: a tube guide head coupled to an upper surface of the battery cell; and The tube guide wing is bent and extended downward from the tube guide head, is communicated with the tube guide head, and is combined with the module housing.
2. The battery module according to claim 1, characterized in that: The pipe guide head comprises: The tube guide head body faces the upper surface of the battery cell; and A tube guide connector is connected to the tube guide body and coupled to the battery cell.
3. The battery module according to claim 2, characterized in that: The battery cell comprises: A cell shell, comprising a cell upper shell forming the upper surface of the cell and a cell side shell extending downward from the periphery of the cell upper shell; and A battery core tube is connected to the battery core upper housing and coupled to the tube guide connector.
4. The battery module according to claim 3, characterized in that: The battery core tube comprises: The battery core tube wall extends downward from the opening formed in the upper shell of the battery core and forms a hollow portion; a battery core tube coupler formed on the battery core tube wall and coupled to the tube guide connector; and The battery core tube plate is connected to the lower end of the battery core tube wall and seals the lower end of the hollow portion of the battery core tube wall.
5. The battery module according to claim 4, characterized in that: When the internal pressure of the battery cell housing is greater than or equal to a specific pressure, the battery cell tube plate is ruptured.
6. The battery module according to claim 4, characterized in that: The battery core tube connector is recessed toward the hollow portion on the battery core tube wall.
7. The battery module according to claim 6, characterized in that: The pipe guide head comprises: A tube guide head inlet is formed in the tube guide head coupler and communicates with the hollow portion.
8. The battery module according to claim 2, characterized in that: The pipe guide head body comprises: The tube guide is directed toward the bottom of the head body, facing the upper surface of the battery cell; a tube guide head body top portion located above the tube guide head body bottom portion; and A tube guide head channel is formed between the bottom of the tube guide head body and the top of the tube guide head body.
9. The battery module according to claim 8, characterized in that: The tube guide wing comprises: a tube guide wing body, bent downward and extending from the tube guide head body; and A tube guide wing channel is formed in the tube guide wing body and communicates with the tube guide head channel.
10. The battery module according to claim 9, characterized in that: The tube guide wing body comprises: an inner portion of the tube guide wing body, which is bent and extended downward from the bottom of the tube guide head body and is coupled to the module housing; and The outer side portion of the tube guide wing body is bent and extended downward from the top of the tube guide head body, and is coupled to the module housing.
11. The battery module according to claim 10, characterized in that: The tube guide wing channel is formed between the inner portion of the tube guide wing body and the outer portion of the tube guide wing body.
12. The battery module according to claim 1, characterized in that: Further including: A cooler assembly includes a cooler body coupled to the module case and located below the battery cells of the plurality of battery cell units.
13. The battery module according to claim 12, characterized in that: The cooler assembly further includes a plurality of cooler slots formed in the cooler body, The tube guide fin of each of the plurality of battery cell units passes through a corresponding cooler slot among the plurality of cooler slots.
14. The battery module according to claim 13, characterized in that: The module housing comprises: a module-side housing that accommodates the plurality of battery cell units and has upper and lower openings; and The module lower housing is located below the cooler assembly and connected to the module side housing.
15. The battery module according to claim 14, characterized in that: A portion of a lower end of the module-side housing is located above the module lower housing and is spaced apart from the module lower housing.
16. The battery module according to claim 15, characterized in that: The module housing further comprises: A mounting frame protrudes from an inner side surface of the module-side case and supports the cooler body.
17. The battery module according to claim 15, characterized in that: The module housing further comprises a bracket housing, The support housing comprises: a bracket housing body connected to the inner side of the module-side housing and located below the cooler body; and A bracket housing groove is formed in the bracket housing body.
18. The battery module according to claim 17, characterized in that: The tube guide wing passes through the cooler slot and the bracket shell slot in sequence.
19. The battery module according to claim 12, characterized in that: The cooler body comprises: a cooler top in contact with the battery cells of the plurality of battery cell units; and A cooler bottom, located below the cooler top, A cooler flow space is formed between the cooler top and the cooler bottom for the refrigerant to flow. The cooler assembly comprises: A cooler inlet port and a cooler outlet port are connected to a front end of the cooler body, communicate with the cooler flow space, and are spaced apart from each other.
20. The battery module according to claim 19, characterized in that: The cooler assembly comprises: a cooler baffle extending rearwardly from the front end of the cooler body, spaced apart from the rear end of the cooler body, and extending downwardly from the cooler top to the cooler bottom, The front end of the cooler baffle is located between the cooler inlet port and the cooler outlet port.