Busbar support assembly, battery module and electric equipment

Abstract

The utility model discloses a busbar bracket assembly, a battery module and electric equipment. The busbar bracket assembly is positioned on one side of a plurality of battery cells, which is provided with a pole, and comprises a busbar bracket body, a plurality of lead screws and a plurality of lead screws, the fixing support comprises a fixing part and a limiting part, the fixing part is connected with the busbar support body, the limiting part is connected with the fixing part and located on the side, away from the battery cell, of the fixing part, and the limiting part is used for fixing the wire harness. According to the busbar support assembly, the fixing part is connected with the busbar support body, the limiting part is connected with the fixing part and located on the side, away from the battery cells, of the fixing part, the limiting part is used for fixing the wire harness, it is ensured that the wire harness is reliably installed in the battery module, and the risks of loosening and winding of the wire harness are reduced; according to the busbar support assembly, the cleanliness and safety of the interior of the battery module can be improved, the fixing part is connected with the busbar support body to achieve fixation, the structural compactness of the busbar support assembly can be ensured, and the occupied space can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and more specifically, to a bus bar support assembly, a battery module and an electrical equipment. Background Art

[0002] In the related art, a wire harness is provided in a battery module, and the required connection requirements are realized through the wire harness. However, the wire harness is arranged in a mess in the battery module and is not easy to be sorted out. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a bus bar support assembly, which can ensure reliable support and positioning of a wire harness, and has a compact structure, capable of reducing the occupied space.

[0004] Another object of the utility model is to provide a battery module having the above bus bar support assembly.

[0005] Still another object of the utility model is to provide an electrical equipment having the above battery module.

[0006] The bus bar support assembly according to the embodiment of the utility model is located on one side of a plurality of battery cells provided with pole columns and includes: a bus bar support body; a fixing bracket, the fixing bracket includes a fixing part and a limiting part, the fixing part is connected with the bus bar support body, the limiting part is connected with the fixing part and is located on the side of the fixing part far away from the battery cells, and the limiting part is used for fixing the wire harness.

[0007] According to the bus bar support assembly of the embodiment of the utility model, the fixing part is connected with the bus bar support body, the limiting part is connected with the fixing part and is located on the side of the fixing part far away from the battery cells, and the limiting part is used for fixing the wire harness, so as to ensure reliable installation of the wire harness in the battery module, reduce the risks of wire harness loosening and winding, be beneficial to improving the cleanliness and safety inside the battery module, and the connection of the fixing part and the bus bar support body realizes fixation, which can ensure the structural compactness of the bus bar support assembly and is beneficial to reducing the occupied space.

[0008] In addition, the bus bar support assembly according to the above embodiment of the utility model may further have the following additional technical features:

[0009] According to some embodiments of the utility model, the limiting part is connected with the wire harness in a clamping manner.

[0010] According to some embodiments of the utility model, at least one side in the width direction of the fixing part is provided with an extension part, and a first avoidance hole is provided on the extension part, and the pole column passes through the first avoidance hole.

[0011] According to some embodiments of the present utility model, the busbar support assembly further includes: a circuit board, and there are two circuit boards spaced along the length direction of the busbar support body. The fixing bracket is located between the two circuit boards and is connected to each other. The limiting portion is used to fix the wire harness connected to the circuit board.

[0012] According to some embodiments of the present utility model, the limiting portion is located on one side in the width direction of the circuit board.

[0013] According to some embodiments of the present utility model, low-voltage plugs are provided on both of the two circuit boards and are arranged oppositely. The low-voltage plugs and the fixing bracket are connected by snap connection and / or thermal riveting.

[0014] According to some embodiments of the present utility model, the fixing bracket is an integral part.

[0015] According to some embodiments of the present utility model, a second avoidance hole for avoiding the pole column is provided on the busbar support body. The second avoidance hole is formed as a circular hole, and the projection of the pole column facing the busbar support body completely falls into the corresponding circular hole.

[0016] The battery module according to an embodiment of the present utility model includes the busbar support assembly according to the embodiment of the present utility model.

[0017] For the battery module according to an embodiment of the present utility model, it is connected to the busbar support body through the fixing portion. The limiting portion is connected to the fixing portion and is located on the side of the fixing portion away from the battery cell. The limiting portion is used to fix the wire harness, ensuring reliable installation of the wire harness in the battery module, reducing the risks of wire harness loosening and winding, being beneficial to improving the cleanliness and safety inside the battery module, and the connection between the fixing portion and the busbar support body realizes fixation, which can ensure the structural compactness of the busbar support assembly and is beneficial to reducing the occupied space.

[0018] The electrical equipment according to an embodiment of the present utility model includes the battery module according to the embodiment of the present utility model.

[0019] For the electrical equipment according to an embodiment of the present utility model, it is connected to the busbar support body through the fixing portion. The limiting portion is connected to the fixing portion and is located on the side of the fixing portion away from the battery cell. The limiting portion is used to fix the wire harness, ensuring reliable installation of the wire harness in the battery module, reducing the risks of wire harness loosening and winding, being beneficial to improving the cleanliness and safety inside the battery module, and the connection between the fixing portion and the busbar support body realizes fixation, which can ensure the structural compactness of the busbar support assembly and is beneficial to reducing the occupied space.

[0020] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be learned through the practice of the present utility model. Description of the Drawings

[0021] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0022] Figure 1 is a schematic partial structure diagram of a battery module according to an embodiment of the present utility model;

[0023] Figure 2 is Figure 1 an enlarged structure diagram of the circled area A in

[0024] Figure 3 is a schematic structure diagram of a busbar support assembly according to an embodiment of the present utility model from one angle;

[0025] Figure 4 is a schematic structure diagram of the busbar support assembly according to an embodiment of the present utility model from another angle;

[0026] Figure 5 is a schematic structure diagram of a busbar support body of the busbar support assembly according to an embodiment of the present utility model;

[0027] Figure 6 is a schematic structure diagram of a fixing bracket of the busbar support assembly according to an embodiment of the present utility model;

[0028] Figure 7 is a schematic structure diagram of a circuit board of the busbar support assembly according to an embodiment of the present utility model;

[0029] Figure 8 is a schematic structure diagram of a busbar assembly of the busbar support assembly according to an embodiment of the present utility model.

[0030] Reference Signs:

[0031] 100, busbar support assembly; 200, battery cell; 300, wire harness; 400, battery module;

[0032] 10, busbar support body; 11, second avoidance hole; 12, first hot riveting post; 13, clamping portion; 14, third avoidance hole; 15, third fixing hole; 16, third hot riveting post;

[0033] 20, fixing bracket; 21, fixing portion; 22, limiting portion; 23, extending portion; 24, clamping groove; 25, second hot riveting post; 231, first avoidance hole;

[0034] 30. Circuit board; 31. Low-voltage plug-in; 32. Second fixing hole; 301. Circuit board body; 302. Nickel sheet; 303. Detection piece; 311. Reinforcing plate;

[0035] 40. Busbar assembly; 41. First busbar; 42. Second busbar; 43. Fourth fixing hole. Detailed implementation manner

[0036] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0037] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0038] In the description of the present invention, the "first feature" and "second feature" may include one or more of such features. The meaning of "a plurality" is two or more. The first feature being "above" or "below" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but being in contact through other features therebetween. The first feature being "above", "above" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0039] The busbar support assembly 100 according to an embodiment of the present invention will be described below with reference to the drawings.

[0040] Refer to Figures 1-6 As shown, the busbar support assembly 100 according to an embodiment of the present invention is located on the side (such as the upper side shown in Figure 1 ) where the plurality (greater than or equal to two) of battery cells 200 are provided with pole posts. Through the busbar support assembly 100, the support and fixation requirements for the busbar assembly 40 can be achieved. The busbar support assembly 100 may include: a busbar support body 10 and a fixing bracket 20.

[0041] Specifically, the fixing bracket 20 includes a fixing part 21. The fixing part 21 is connected to the busbar bracket body 10, which can realize the connection between the fixing bracket 20 and the busbar bracket body 10, ensure the reliable fixation of the fixing bracket 20 on the busbar bracket body 10, and thus ensure the reliable connection between the busbar and the battery cell 200.

[0042] In addition, as Figures 2-4 、 Figure 6 shown, the fixing bracket 20 further includes a limiting part 22. The limiting part 22 is connected to the fixing part 21, and the limiting part 22 is located on the side of the fixing part 21 away from the battery cell 200 (for example, Figure 1 the upper side shown in ). The limiting part 22 can fix the wire harness 300, meet the requirements of supporting and positioning the wire harness 300, ensure the reliable installation of the wire harness 300 in the battery module 400, reduce the risk of loosening and winding of the wire harness 300, is beneficial to improving the cleanliness and safety inside the battery module 400, and is convenient for subsequent maintenance. At the same time, the connection between the fixing part 21 and the busbar bracket body 10 realizes the fixation of the fixing bracket 20, which can ensure the structural compactness of the busbar bracket assembly 100 and is beneficial to reducing the occupied space. For example, the wire harness 300 is a low-voltage communication wire harness 300.

[0043] It should be noted that for the convenience of description, the orientations such as "upper", "lower", "front", "rear", "left" and "right" in the present utility model are based on the orientation relationship shown in the drawings, rather than the orientation limitations in the actual application process.

[0044] In some embodiments, the busbar bracket body 10 is formed by a thermoforming process, so that the busbar bracket body 10 has good structural stability, is not easily deformed or damaged, is beneficial to extending the service life of the busbar bracket assembly 100, is convenient for processing and manufacturing the busbar bracket body 10, can improve production efficiency, and reduce production costs.

[0045] According to the busbar bracket assembly 100 of the embodiment of the present utility model, the fixing part 21 is connected to the busbar bracket body 10, the limiting part 22 is connected to the fixing part 21 and is located on the side of the fixing part 21 away from the battery cell 200, and the limiting part 22 is used to fix the wire harness 300, ensure the reliable installation of the wire harness 300 in the battery module 400, reduce the risk of loosening and winding of the wire harness 300, is beneficial to improving the cleanliness and safety inside the battery module 400, and the connection between the fixing part 21 and the busbar bracket body 10 realizes the fixation, which can ensure the structural compactness of the busbar bracket assembly 100 and is beneficial to reducing the occupied space.

[0046] In some embodiments of the present utility model, as Figure 2As shown, the limiting part 22 is clamped and connected to the wire harness 300, ensuring a reliable connection between the limiting part 22 and the wire harness 300, making it difficult for the wire harness 300 to become loose, which is beneficial to improving the assembly efficiency, and is convenient for disassembly, facilitating replacement or maintenance, etc.

[0047] In an embodiment of the present invention, the specific structure of the limiting part 22 can be set according to the actual situation. For example, the limiting part 22 can be formed as a clamping groove 24 or a buckle as shown in Figure 2 etc., all of which can meet the requirements of supporting and positioning the wire harness 300, and have a simple structure, which is convenient for processing and manufacturing.

[0048] According to some embodiments of the present invention, as shown in Figure 6 one side in the width direction of the fixing part 21 (for example, the front - rear direction as shown in Figure 6 ) is provided with an extension part 23, and a first avoidance hole 231 is provided on the extension part 23. The pole post passes through the first avoidance hole 231. By the cooperation of the pole post and the first avoidance hole 231, the positioning of the fixing bracket 20 on the battery cell 200 can be realized, thereby ensuring the reliable installation and positioning of the busbar support assembly 100 and the battery cell 200, which is beneficial to improving the assembly efficiency.

[0049] In some embodiments, as shown in Figure 6 one side in the width direction of the fixing part 21 is provided with a plurality of extension parts 23. The plurality of extension parts 23 are arranged at intervals along the length direction of the fixing part 21 (for example, the left - right direction as shown in Figure 6 ). Through the plurality of extension parts 23, a plurality of first avoidance holes 231 can cooperate with a plurality of pole posts to ensure the reliable positioning of the fixing bracket 20, prevent it from being skewed, thereby ensuring the reliable installation and positioning of the busbar support assembly 100 and the battery cell 200, which is beneficial to improving the assembly efficiency and ensuring the assembly reliability.

[0050] In an embodiment of the present invention, the number of the extension parts 23 on one side in the width direction of the fixing part 21 can be flexibly set according to the actual situation. For example, the number of the extension parts 23 on one side in the width direction of the fixing part 21 can be two as shown in Figure 6 , or three, four, five, six or more, all of which are within the protection scope of the present invention.

[0051] In some embodiments of the present invention, as shown in Figures 1-4 、 Figure 7 the busbar support assembly 100 further includes two circuit boards 30. The two circuit boards 30 are arranged along the length direction of the busbar support body 10 (for example, as shown in Figure 4The left - right direction shown in [figure] is spaced. Through the two circuit boards 30, the monitoring requirements for multiple battery cells 200 can be realized respectively. For example, the voltage, current, temperature, etc. of the battery cells 200 can be monitored in real - time to ensure the use safety of the battery module 400. For example, the circuit board 30 is a flexible circuit board.

[0052] In addition, as Figure 3 shown in connection with Figure 4 The fixing bracket 20 is located between the two circuit boards 30, and the fixing bracket 20 is connected to the two circuit boards 30. Through the fixing bracket 20, the two circuit boards 30 can be fixed, ensuring reliable fixation of the circuit boards 30 on the battery cells 200 to meet the required fixing requirements. Moreover, the limiting part 22 can fix the wire harness 300 connected to the circuit board 30, ensuring reliable positioning of the wire harness 300 connected to the circuit board 30, which is beneficial to improving the cleanliness and safety inside the battery module 400.

[0053] In some embodiments, as Figure 7 shown, the circuit board 30 includes a circuit board body 301, nickel sheets 302 and detection components 303. There are multiple nickel sheets 302. At both ends of each nickel sheet 302 in the length direction, they are respectively connected to the circuit board body 301 and the bus bar assembly 40, which can meet the connection requirements between the circuit board body 301 and the bus bar assembly 40. And the detection component 303 is arranged on the circuit board body 301. The detection component 303 can detect the battery cells 200 to meet the monitoring requirements of the battery cells 200. For example, the detection component 303 can be a temperature sensor, and the temperature sensor can detect the temperature of the battery cells 200.

[0054] In some embodiments, as Figure 5 shown in connection with Figure 7 The circuit board 30 is provided with a second fixing hole 32, and the bus bar support body 10 is provided with a third hot riveting post 16. The third hot riveting post 16 passes through the second fixing hole 32 to realize the hot riveting connection between the bus bar support body 10 and the circuit board 30, ensuring reliable connection.

[0055] In some embodiments, as Figure 5 shown in connection with Figure 7As shown, there are multiple (greater than or equal to two) third hot riveting posts 16 arranged at intervals along the width direction and / or the length direction of the bus bar support body 10. That is, there are multiple third hot riveting posts 16 arranged at intervals along the width direction of the bus bar support body 10, or there are multiple third hot riveting posts 16 arranged at intervals along the length direction of the bus bar support body 10, or there are multiple third hot riveting posts 16 arranged at intervals along both the width direction and the length direction of the bus bar support body 10. The second fixing holes 32 are multiple and correspond one-to-one to the multiple third hot riveting posts 16. By the cooperation of the multiple third hot riveting posts 16 and the multiple second fixing holes 32, it can be ensured that the bus bar support body 10 and the circuit board 30 are reliably connected to each other, avoiding problems such as skew.

[0056] According to some embodiments of the present invention, as Figures 1-4 shown, the limiting part 22 is located on one side in the width direction of the circuit board 30, which can ensure reliable fixation of the wire harness 300 connected to the circuit board 30, making the routing of the wire harness 300 clearer and more reasonable, effectively reducing risks such as the wire harness 300 shaking or interfering with other components, and being beneficial to ensuring the installation reliability of the plug-in connectors at the wire harness 300 end and the battery module 400 end.

[0057] In some embodiments of the present invention, as Figure 2 and Figure 7 shown, low-voltage plug-ins 31 are provided on both circuit boards 30, and the two low-voltage plug-ins 31 are arranged oppositely. The low-voltage plug-ins 31 and the fixing bracket 20 are connected by snap connection and / or hot riveting. That is, the low-voltage plug-ins 31 and the fixing bracket 20 can be connected by snap connection, or the low-voltage plug-ins 31 and the fixing bracket 20 can be connected by hot riveting, or the low-voltage plug-ins 31 and the fixing bracket 20 can be connected by snap connection and hot riveting. All can meet the connection requirements of the two low-voltage plug-ins 31 and the fixing bracket 20, ensure reliable fixation of the two low-voltage plug-ins 31 on the fixing bracket 20, realize the limitation of the two low-voltage plug-ins 31, and thus facilitate the subsequent connection of the wire harness 300 to the low-voltage plug-ins 31.

[0058] In addition, while the fixing bracket 20 realizes the fixation of the two low-voltage plug-ins 31, the fixing requirement of the wire harness 300 connected to the circuit board 30 can be realized through the limiting part 22. Compared with separately arranging a wire harness 300 bracket in the battery module 400 to fix the wire harness 300, it can avoid the processing and manufacturing of the wire harness 300 bracket, is beneficial to reducing production costs, and ensures a compact structure, being able to reduce the occupied space.

[0059] In some embodiments, as Figure 2 、 Figures 5-7As shown, a second fixing hole 32 is provided on the low-voltage plug-in 31, a third fixing hole 15 is provided on the busbar support body 10, and a second hot riveting post 25 is provided on the fixing bracket 20. The second hot riveting post 25 passes through the third fixing hole 15 and the second fixing hole 32 in sequence, realizing the hot riveting connection of the busbar support body 10, the fixing bracket 20 and the low-voltage plug-in 31, thereby realizing the mutual connection of the busbar support body 10, the fixing bracket 20 and the low-voltage plug-in 31, and ensuring reliable connection.

[0060] In some embodiments, as Figures 5-7 shown, a plurality of second hot riveting posts 25 are arranged at intervals along the width direction of the fixing bracket 20, and the second fixing holes 32 and the third fixing holes 15 are a plurality corresponding to the plurality of second hot riveting posts 25 one by one. By the cooperation of the plurality of second hot riveting posts 25 with the plurality of third fixing holes 15 and the second fixing holes 32, it can be ensured that the mutual connection of the busbar support body 10, the fixing bracket 20 and the low-voltage plug-in 31 is reliable, and problems such as skewing can be avoided.

[0061] In the embodiments of the present utility model, the number of the second hot riveting posts 25 can be flexibly set according to actual situations. For example, the second hot riveting posts 25 can be Figure 6 shown as two, or can be three, four, five, six or more, and all of these are within the protection scope of the present utility model.

[0062] In some embodiments, as Figure 2 and Figure 7 shown, the low-voltage plug-in 31 has a reinforcing plate 311, and the reinforcing plate 311 and the fixing bracket 20 are connected by clamping and / or hot riveting, which can realize the installation and fixation of the low-voltage plug-in 31, ensure high connection strength between the low-voltage plug-in 31 and the fixing bracket 20, and avoid problems such as easy damage of the low-voltage plug-in 31.

[0063] In some embodiments, as Figure 2 and Figure 6 shown, two clamping grooves 24 are provided on the fixing bracket 20, and the two clamping grooves 24 are arranged at intervals in the width direction of the fixing bracket 20. The two ends in the width direction of the low-voltage plug-in 31 respectively extend into the two clamping grooves 24. The two clamping grooves 24 can limit the low-voltage plug-in 31, ensure reliable fixation of the low-voltage plug-in 31 on the fixing bracket 20, and the structure of the fixing bracket 20 is simple and convenient for processing and manufacturing.

[0064] According to some embodiments of the present utility model, as Figure 6 shown, the fixing bracket 20 is an integral part, that is, the fixing part 21 and the limiting part 22 can be integrally formed, which makes the manufacturing simple, can improve the connection strength, and reduces the assembly process, thereby being able to simplify the assembly process of the battery module 400 and being beneficial to improving the production efficiency.

[0065] In some embodiments of the present utility model, such as Figure 5 shown, a second avoidance hole 11 is provided on the busbar support body 10. The second avoidance hole 11 can avoid the pole column, effectively preventing interference between the busbar support body 10 and the pole column. And through the cooperation of the pole column and the second avoidance hole 11, the positioning of the busbar support body 10 on the battery cell 200 can be realized, thereby ensuring reliable installation and positioning of the busbar support assembly 100 and the battery cell 200, which is beneficial to improving the assembly efficiency. In addition, the second avoidance hole 11 is formed as a circular hole, and the projection of the pole column facing the busbar support body 10 completely falls into the corresponding circular hole, enabling the second avoidance hole 11 to avoid pole columns of different shapes. Thus, the first avoidance hole 231 can be adapted to pole columns of different shapes, and the versatility of the busbar support body 10 can be realized to meet the assembly requirements of different battery cells 200.

[0066] In some embodiments, such as Figures 1-4 , Figure 8 shown, the busbar support assembly 100 further includes a busbar assembly 40. The busbar assembly 40 is connected to the busbar support body 10, which can support and fix the busbar assembly 40, and the busbar assembly 40 is opposite to the second avoidance hole 11, facilitating the connection between the busbar assembly 40 and the battery cell 200 to meet the required connection requirements.

[0067] In some embodiments, such as Figure 8 shown, the busbar assembly 40 includes a first busbar 41 and a second busbar 42. The first busbar 41 is multiple (greater than or equal to two). The multiple first busbars 41 can respectively connect the pole columns of two adjacent battery cells 200 to form a group of single battery cells 200, thereby meeting the connection requirements of multiple battery cells 200. And both ends of the multiple first busbars 41 in the length direction (such as Figure 8 the left - right direction shown in

[0068] In some embodiments, such as Figure 2 , Figure 5 and Figure 8 shown) are provided with second busbars 42. The second busbar 42 can connect the battery cell 200 and an external high - voltage interface, thereby realizing the connection requirements between the battery module 400 and the external structure.

[0069] In some embodiments, such as Figure 5 and Figure 8As shown, there are multiple (greater than or equal to two) first hot riveting posts 12 arranged at intervals along the width direction and / or the length direction of the busbar support body 10. That is, there are multiple first hot riveting posts 12 arranged at intervals along the width direction of the busbar support body 10, or there are multiple first hot riveting posts 12 arranged at intervals along the length direction of the busbar support body 10, or there are multiple first hot riveting posts 12 arranged at intervals along both the width direction and the length direction of the busbar support body 10. The fourth fixing holes 43 are multiple and correspond one by one to the multiple first hot riveting posts 12. By the cooperation of the multiple first hot riveting posts 12 and the multiple fourth fixing holes 43, it can be ensured that the connection between the busbar support body 10 and the busbar assembly 40 is reliable, and problems such as skew can be avoided.

[0070] In some embodiments, such as Figure 5 and Figure 6 As shown, third avoidance holes 14 are provided on both the busbar support body 10 and the fixing bracket 20. The third avoidance holes 14 can avoid the explosion-proof valve of the battery cell 200, prevent the busbar support body 10 and the fixing bracket 20 from blocking the explosion-proof valve, and facilitate the pressure relief of the battery cell 200 through the explosion-proof valve when a thermal runaway occurs, ensuring the use safety of the battery cell 200.

[0071] The battery module 400 according to an embodiment of the present invention includes the busbar support assembly 100 according to an embodiment of the present invention. Since the busbar support assembly 100 according to an embodiment of the present invention has the above beneficial technical effects, the battery module 400 according to an embodiment of the present invention is connected to the busbar support body 10 through the fixing part 21, and the limiting part 22 is connected to the fixing part 21 and is located on the side of the fixing part 21 away from the battery cell 200. The limiting part 22 is used to fix the wire harness 300, ensuring the reliable installation of the wire harness 300 in the battery module 400, reducing the risk of loosening and winding of the wire harness 300, being beneficial to improving the cleanliness and safety inside the battery module 400, and the connection between the fixing part 21 and the busbar support body 10 realizes fixation, which can ensure the structural compactness of the busbar support assembly 100 and is beneficial to reducing the occupied space.

[0072] In some embodiments, such as Figures 3-5 As shown, the battery module 400 further includes an upper cover. A clamping part 13 is provided on the busbar support body 10. The clamping part 13 is connected to the upper cover, ensuring the reliable fixation of the busbar support body 10 on the upper cover, thereby ensuring the reliable fixation of the busbar support assembly 100 in the battery module 400, and being convenient for disassembly, replacement, maintenance, etc.

[0073] The electrical device according to an embodiment of the present utility model includes a battery module 400 according to an embodiment of the present utility model. Since the battery module 400 according to an embodiment of the present utility model has the above beneficial technical effects, the electrical device according to an embodiment of the present utility model is connected to the busbar support body 10 through a fixing portion 21, and a limiting portion 22 is connected to the fixing portion 21 and is located on a side of the fixing portion 21 away from the battery cell 200. The limiting portion 22 is used to fix the wire harness 300, ensuring reliable installation of the wire harness 300 within the battery module 400, reducing the risk of loosening and winding of the wire harness 300, being conducive to improving the cleanliness and safety inside the battery module 400, and the connection between the fixing portion 21 and the busbar support body 10 realizes fixation, which can ensure the structural compactness of the busbar support assembly 100 and is conducive to reducing the occupied space.

[0074] Among them, the electrical device can be a vehicle, but is not limited thereto.

[0075] In some embodiments, the electrical device can be a new energy vehicle. The new energy vehicle can reduce carbon emissions and meet the required environmental protection requirements. Moreover, the battery module 400 of the present utility model is used for the new energy vehicle, which can meet the required integration requirements of the new energy vehicle and can reduce the manufacturing cost.

[0076] The other components and operations of the busbar support assembly 100, the battery module 400 and the electrical device according to the embodiments of the present utility model are known to those of ordinary skill in the art and will not be described in detail here.

[0077] In the description of the present utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0078] In the description of this specification, the descriptions with reference to terms such as "embodiment", "specific embodiment", "example", etc. mean that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0079] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A busbar support assembly, characterized in that, The busbar support assembly is located on the side of a plurality of battery cells where the pole columns are provided and includes: A busbar support body; A fixing bracket, the fixing bracket includes a fixing portion and a limiting portion, the fixing portion is connected to the busbar support body, the limiting portion is connected to the fixing portion and is located on the side of the fixing portion away from the battery cell, and the limiting portion is used for fixing a wire harness.

2. The busbar support assembly according to claim 1, wherein, The limiting portion is snap-connected to the wire harness.

3. The busbar bracket assembly according to claim 1, characterized in that, At least one side in the width direction of the fixing portion is provided with an extension portion, and a first avoidance hole is provided on the extension portion, and the pole column passes through the first avoidance hole.

4. The busbar support assembly according to claim 1, characterized in that It further includes: Circuit boards, there are two circuit boards arranged at intervals along the length direction of the busbar support body, the fixing bracket is located between the two circuit boards and is connected to each other, and the limiting portion is used for fixing the wire harness connected to the circuit board.

5. The busbar support assembly according to claim 4, characterized in that, The limiting portion is located on one side in the width direction of the circuit board.

6. The busbar support assembly according to claim 4, characterized in that, Low-voltage connectors are provided on both of the two circuit boards and are arranged oppositely, and the low-voltage connectors and the fixing bracket are connected by snap connection and / or thermal riveting.

7. The busbar bracket assembly according to any one of claims 1-6, characterized in that, The fixing bracket is an integral part.

8. The busbar bracket assembly according to claim 1, characterized in that, A second avoidance hole for avoiding the pole column is provided on the busbar support body, the second avoidance hole is formed as a circular hole, and the projection of the pole column facing the busbar support body completely falls into the corresponding circular hole.

9. A battery module, characterized in that, Including the busbar support assembly according to any one of claims 1-8.

10. An electrical device, characterized in that, Including the battery module according to claim 9.

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