Battery, battery pack and electric equipment

Abstract

The utility model relates to a battery, a battery pack and electric equipment, the battery comprises a shell, a battery cell, a terminal assembly and an adapter, the battery cell is arranged in the shell, the terminal assembly is at least partially arranged outside the shell, the shell is provided with a concave part, the concave part is arranged opposite to the terminal assembly so as to be used for accommodating the terminal assembly of another battery, and the adapter is arranged in the shell. The adapter comprises a tab fixing part and a pole fixing part, the tab fixing part is connected with the tab part of the battery cell, the pole fixing part is connected with the terminal assembly, one end of the tab fixing part and one end of the pole fixing part are in angle connection and form an opening, and the opening faces the concave part. The battery support frame can solve the problem of inconvenience in welding of the pole and the busbar caused by large occupied space of the adapter plate.

Description

Technical Field

[0001] The present disclosure relates to the field of battery technology, and in particular, to a battery, a battery pack and an electrical device. Background Art

[0002] In the related art, an adapter plate is required to connect the pole and the pole ear of the battery cell. The setting of the adapter plate will occupy a larger space in the battery casing, resulting in a reduction in the volume of the pole that can be accommodated when the batteries are stacked in groups, which in turn leads to a reduction in the welding surface of the pole, affecting the welding between the pole and the bus, making the welding process inconvenient to operate and the connection unstable. Utility Model Content

[0003] The purpose of the present disclosure is to provide a battery, a battery pack and an electrical device, which can solve the problem that the adapter occupies a large space and causes inconvenience in welding the pole and the busbar.

[0004] In order to achieve the above-mentioned purpose, the present disclosure provides a battery, which includes a shell, a battery cell, a terminal assembly and an adapter, the battery cell is arranged in the shell, the terminal assembly is at least partially arranged outside the shell, the shell is provided with a recessed portion, the recessed portion is arranged opposite to the terminal assembly for accommodating the terminal assembly of another battery, the adapter includes a pole lug fixing portion and a pole post fixing portion, the pole lug fixing portion is connected to the pole lug portion of the battery cell, the pole post fixing portion is connected to the terminal assembly, one end of the pole lug fixing portion is connected to one end of the pole post fixing portion at an angle to each other and form an opening, and the opening faces the recessed portion.

[0005] Optionally, part of the pole lug portion extends from the battery core away from the recessed portion toward the adapter, and extends from the opening into the adapter to be connected to the pole lug fixing portion.

[0006] Optionally, an angle formed between one end of the pole lug fixing portion and one end of the pole fixing portion is greater than or equal to 60° and less than 180°.

[0007] Optionally, the terminal assembly includes a pole and an isolation seat, the isolation seat is arranged in the shell and is provided with a through hole for the pole to pass through, the adapter is insulated and isolated from the shell by the isolation seat, and the pole passes through the shell and the through hole and is fixed to the pole fixing part.

[0008] Optionally, the terminal assembly also includes a connecting seat, which includes a first seat body and a second seat body, the first seat body is provided with an opening for the pole to pass through, the second seat body is connected to the first seat body at an angle, and the second seat body is formed with a welding portion for welding connection with the bus.

[0009] Optionally, the isolation seat includes a seat body and an extension wall, the seat body is fixed to the shell and formed with a mounting groove, the extension wall extends from the seat body toward the recessed portion, the pole fixing portion is embedded in the mounting groove, and the pole ear fixing portion is parallel to the extension wall.

[0010] Optionally, the adapter is constructed in a plate shape and includes a first plate body and a second plate body, the first plate body is used as the pole fixing part to be connected to the terminal assembly, the second plate body is connected to the first plate body and is bent from the end of the first plate body to form an angle with the first plate body, and the second plate body is used as the pole ear fixing part to be connected to the pole ear part of the battery cell.

[0011] Optionally, the adapter further includes a smooth transition portion, which is disposed at an end of the second plate body away from the first plate body, and a smooth surface is formed on a side of the smooth transition portion facing the pole ear portion.

[0012] Optionally, the smooth transition portion is configured as a curled edge, the curled edge is connected to the second plate body, and is curled from an end portion of the second plate body toward the battery core.

[0013] Optionally, two battery support frames are provided in the housing, and the two battery support frames are respectively arranged on both sides of the battery cell in the length direction to support the battery cell.

[0014] Optionally, the terminal assembly includes an isolation seat, the battery support frame is mounted on the isolation seat, and a portion of the battery support frame abuts against the adapter.

[0015] Optionally, the battery support frame includes a connecting frame body and two support seats, the two support seats are respectively connected to the two end portions of the connecting frame body, the support seat has a first support surface, the first support surface is used to support the battery cell, an avoidance portion is formed between the support seat and the connecting frame body, the avoidance portion is used to avoid the pole ear portion, and an accommodating space is formed between the connecting frame body and the battery cell, and the pole ear portion is partially located in the accommodating space through the avoidance portion.

[0016] Optionally, a through opening is formed between the adapter and the connecting frame to allow the pole ear portion to extend into the accommodating space.

[0017] Optionally, the battery support frame further includes a reinforcement structure, and the connecting frame body and / or the support seat are provided with the reinforcement structure.

[0018] Optionally, the connecting frame has a first end surface, the first end surface is parallel to the first supporting surface, and a first preset distance is set between the first end surface and the first supporting surface to form the avoiding portion.

[0019] Optionally, the support seat has a fourth support surface, the fourth support surface is adjacent to the first support surface and arranged at an angle, the connecting frame body has a second end surface, the second end surface is parallel to the fourth support surface, and a second preset distance is set between the second end surface and the fourth support surface.

[0020] Optionally, the support seat is provided with a fixing portion for fixing to a terminal assembly of the battery.

[0021] Optionally, the fixing portion is configured as a snap-in block, which protrudes from the support seat for snap-in connection with the terminal assembly.

[0022] Optionally, the support seat is constructed as a hollow shell seat and has a fourth support surface, the fourth support surface is provided with an opening, and the opening is communicated with the internal space of the hollow shell seat.

[0023] Optionally, a spacing space is formed between the isolation seat and the battery core, and the accommodating space is communicated with the spacing space to accommodate part of the pole ear portion.

[0024] According to a second aspect of the present disclosure, a battery pack is provided, comprising the above-mentioned battery.

[0025] According to a third aspect of the present disclosure, there is provided an electrical device, the electrical device comprising the above-mentioned battery or the above-mentioned battery pack.

[0026] The technical solution provided by the embodiments of the present disclosure may include the following beneficial effects: in the battery provided by the present disclosure, the conductive connection between the ear portion of the battery cell and the terminal assembly is achieved through an adapter, wherein the adapter includes an ear fixing portion and a pole post fixing portion that are connected to each other at an angle, an opening is formed between the ear fixing portion and the pole post fixing portion, and the opening faces the recessed portion formed by the outer shell, and through the setting of the opening, the ear portion of the battery cell can extend from the opening to connect with the ear fixing portion, and the pole post fixing portion is connected to the terminal assembly. Through the above design, the space occupied by the adapter in the internal space of the outer shell is small, so that the recessed portion formed by the outer shell can be more recessed toward the internal space of the outer shell, which is conducive to providing a larger accommodating space for the terminal assembly when the batteries are stacked in groups, thereby reducing the influence on the welding between the pole post and the bus bar, thereby solving the problem that the adapter occupies a large space and causes inconvenience in welding the pole post and the bus bar.

[0027] Other features and advantages of the present disclosure will be described in detail in the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] The accompanying drawings are used to provide a further understanding of the present disclosure and constitute a part of the specification. Together with the following specific embodiments, they are used to explain the present disclosure but do not constitute a limitation of the present disclosure. In the accompanying drawings:

[0029] Figure 1 is a schematic diagram of the cross-sectional structure of a battery provided in an embodiment of the present disclosure;

[0030] Figure 2 is a schematic diagram of the three-dimensional structure of a converter in a battery provided by an embodiment of the present disclosure;

[0031] Figure 3 is a schematic structural diagram of a terminal assembly in a battery provided by an embodiment of the present disclosure;

[0032] Figure 4 is a schematic diagram of a partial structure of a battery provided in an embodiment of the present disclosure;

[0033] Figure 5 is a schematic structural diagram of an isolation seat in a battery provided by an embodiment of the present disclosure;

[0034] Figure 6 It is a schematic diagram of the structure of a battery support frame in a battery provided in an embodiment of the present disclosure.

[0035] Description of Reference Numerals

[0036] 1. Connecting frame; 12. First end face; 13. Second end face; 2. Support seat; 21. First supporting surface; 22. Fourth supporting surface; 23. Fixing part; 231. Clamping block; 24. Opening; 3. Avoiding part; 4. Shell; 41. Pole ear part; 42. Cell; 43. Accommodating space; 44. Adapter; 441. Pole ear fixing part; 442. Pole post fixing part; 443. Smooth transition part; 45. Terminal assembly; 451. Pole post; 45 2. Isolation seat; 4520. Mounting groove; 4521. Seat body; 4522. Extension wall; 453. Through hole; 454. Connecting seat; 4541. First seat body; 4542. Second seat body; 4543. Welding portion; 455. Arc-shaped corner cutting portion; 46. Spacing space; 47. Recessed portion; 5. Reinforcement structure; 51. First reinforcing rib; 511. Second supporting surface; 52. Second reinforcing rib; 521. Third supporting surface; 522. Avoidance surface. DETAILED DESCRIPTION

[0037] The specific implementation of the present disclosure is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described herein is only used to illustrate and explain the present disclosure, and is not used to limit the present disclosure.

[0038] In the present disclosure, unless otherwise stated, the directional words used, such as "vertical direction", etc., are defined based on the weight of the battery itself. In addition, the terms "first", "second", etc. used in the present disclosure are to distinguish one element from another and do not have order or importance. In addition, in the following description, when referring to the drawings, unless otherwise explained, the same figure numbers in different drawings represent the same or similar elements. The above definitions are only used to explain and illustrate the present disclosure and should not be understood as limitations on the present disclosure.

[0039] According to a specific embodiment of the present disclosure, a battery is provided, referring to Figures 1 to 6 As shown in the figure, the battery includes a shell 4, a battery cell 42, a terminal assembly 45 and an adapter 44. The battery cell 42 is arranged in the shell 4, and the terminal assembly 45 is at least partially arranged outside the shell 4. The shell 4 is provided with a recessed portion 47, and the recessed portion 47 is arranged opposite to the terminal assembly 45 to accommodate the terminal assembly 45 of another battery. The adapter 44 includes a pole ear fixing portion 441 and a pole post fixing portion 442. The pole ear fixing portion 441 is connected to the pole ear portion 41 of the battery cell 42, and the pole post fixing portion 442 is connected to the terminal assembly 45. One end of the pole ear fixing portion 441 is connected to one end of the pole post fixing portion 442 at an angle to each other and form an opening, and the opening faces the recessed portion 47.

[0040] Through the above technical solution, in the battery provided by the present disclosure, the conductive connection between the pole ear portion 41 of the battery cell 42 and the terminal assembly 45 is realized through the adapter 44, wherein the adapter 44 includes a pole ear fixing portion 441 and a pole post fixing portion 442 which are connected at an angle to each other, and an opening is formed between the pole ear fixing portion 441 and the pole post fixing portion 442, and the opening faces the recessed portion 47 formed by the shell 4. Through the setting of the opening, the pole ear portion 41 of the battery cell 42 can extend from the opening to connect with the pole ear fixing portion 441, and the pole post fixing portion 442 is connected to the terminal assembly 45. Through the above design, the space occupied by the adapter 44 in the internal space of the shell 4 is small, so that the recessed portion 47 formed by the shell 4 can be more recessed toward the internal space of the shell 4, which is conducive to providing a larger accommodating space for the terminal assembly 45 when the batteries are stacked in groups, thereby reducing the influence on the welding between the pole post and the bus bar, thereby solving the problem that the adapter 44 occupies a large space and causes inconvenience in welding the pole post and the bus bar.

[0041] In the embodiments provided in the present disclosure, reference is made to Figure 1 As shown in the figure, part of the pole ear portion 41 extends from the battery cell 42 away from the recessed portion 47 toward the adapter 44, and part of the pole ear portion 41 extends from the above-mentioned opening into the adapter 44 to be connected to the pole ear fixing portion 441. In this embodiment, the pole ear portion 41 can be connected to the pole ear fixing portion 441 without bending, thereby avoiding the problem of stress concentration caused by bending of the pole ear portion 41.

[0042] In the embodiment provided in the present disclosure, the angle formed between one end of the pole lug fixing portion 441 and one end of the pole fixing portion 442 may be greater than or equal to 60° and less than 180°. Figure 1 Taking the illustrated embodiment as an example, in the battery provided by the present disclosure, the pole fixing portion 442 contacts the portion of the terminal assembly 45 extending into the outer shell 4. In this case, the pole fixing portion 442 may be parallel to the shell wall of the outer shell 4 on which the terminal assembly 45 is provided. Taking the pole fixing portion 442 as a reference, when the angle between the pole lug fixing portion 441 and the pole fixing portion 442 is equal to 60°, the pole lug fixing portion 441 is bent away from the battery cell 42 from the end of the pole fixing portion 442, that is, the pole lug fixing portion 441 is inclined toward the side away from the battery cell 42. In this way, the adapter 44 has a smaller size in the battery height direction as a whole, which is conducive to the recessed portion 47 being able to be more recessed toward the internal space of the outer shell 4, thereby providing a larger accommodation space for the terminal assembly 45 when the batteries are stacked in groups. When the angle between the pole lug fixing portion 441 and the pole fixing portion 442 is equal to 90°, as Figure 1 As shown, the tab fixing portion 441 and the pole fixing portion 442 are perpendicular to each other. In other exemplary embodiments, the angle between the tab fixing portion 441 and the pole fixing portion 442 can also be 100°, 110°, 120°, 135°, 150°, 160°, 175°, etc., and the present disclosure does not impose specific restrictions on this. When the angle between the tab fixing portion 441 and the pole fixing portion 442 is greater than 90°, the tab fixing portion 441 is bent from the end of the pole fixing portion 442 toward the battery cell 42, that is, the tab fixing portion 441 is inclined toward the side close to the battery cell 42, so that the overall size of the adapter 44 in the battery height direction is small, which is conducive to the recessed portion 47 being able to be more recessed toward the internal space of the shell 4, thereby providing a larger accommodating space for the terminal assembly 45 when the batteries are stacked in groups.

[0043] In this disclosure, reference is made to Figures 3 to 5 As shown in the figure, the terminal assembly 45 may include a pole 451 and an isolation seat 452. The isolation seat 452 is arranged in the shell 4 and is provided with a through hole 453 for the pole 451 to pass through. The adapter 44 is insulated and isolated from the shell 4 by the isolation seat 452. The pole 451 passes through the shell 4 and the through hole 453 and is fixed to the pole fixing part 442.

[0044] Through the above technical solution, the adapter 44 is provided for connecting with the pole ear part 41. When in use, the pole ear part 41 and the pole ear fixing part 441 of the adapter 44 can be connected by welding or other methods. Then, the pole 451 is inserted into the shell 4 and connected with the pole fixing part 442 of the adapter 44, so that the power output line from the battery cell 42 passes through the pole ear part 41, the pole ear fixing part 441 and the pole fixing part 442 in sequence, and finally reaches the pole 451. In this process, the isolation seat 452 insulates and protects the adapter 44 and the pole 451, so as to avoid problems such as short circuit caused by contact between the adapter 44 and the shell 4 and other components. In addition, in order to further improve the insulation protection effect of the pole 451, in some embodiments of the present disclosure, an insulating plastic may be provided on the outside of the pole 451, and the insulating plastic is wrapped around the outer periphery of the pole 451 to provide insulation protection for the pole 451. When used specifically, the material of the pole 451 can be set to any material with high electrical conductivity including nickel, aluminum and copper, and the isolation seat 452 and the insulating plastic can be selected from a variety of insulating materials including PP (polyethylene) and PPS (polyphenylene sulfide), and the present disclosure does not make any specific restrictions on this.

[0045] Among them, the isolation seat 452 may include a seat body 4521 and an extension wall 4522, the seat body 4521 is fixed to the shell 4 and is formed with a mounting groove 4520, the extension wall 4522 extends from the seat body 4521 toward the recessed portion 47, the pole fixing portion 442 is embedded in the mounting groove 4520, and the pole ear fixing portion 441 is parallel to the extension wall 4522, thereby isolating the adapter 44 from the shell 4.

[0046] In the present disclosure, the terminal assembly 45 may also include a connecting seat 454, which includes a first seat body 4541 and a second seat body 4542. The first seat body 4541 is provided with an opening for the pole 451 to pass through. The second seat body 4542 is connected to the first seat body 4541 at an angle, and the second seat body 4542 is formed with a welding portion 4543 for welding connection with the bus.

[0047] In the present disclosure, the adapter 44 can be constructed in any suitable form, for example, the adapter 44 can be constructed in a sheet shape, a plate shape, etc., and the present disclosure does not impose specific restrictions on this. In the case where the adapter 44 is constructed in a plate shape, the adapter 44 may include a first plate body and a second plate body, wherein the first plate body is used as a pole fixing portion 442 connected to the terminal assembly 45, the second plate body is connected to the first plate body and bent from the end of the first plate body to form an angle with the first plate body, and the second plate body is used as a pole lug fixing portion 441 connected to the pole lug portion 41 of the battery cell 42.

[0048] Based on the above technical solution, Figure 2As shown in , the adapter 44 may further include a smooth transition portion 443, which is arranged at the end of the second plate body away from the first plate body, and a smooth surface is formed on the side of the smooth transition portion 443 facing the pole ear portion 41, so that the adapter 44 can be prevented from scratching the pole ear portion 41.

[0049] The smooth transition portion 443 can be constructed in any suitable manner. For example, a rounded corner can be formed at the end of the second plate body away from the first plate body. In this case, the smooth transition portion 443 is constructed in the form of a rounded corner. For another example, the smooth transition portion 443 can be constructed as a curling edge, which is connected to the second plate body and is bent from the end of the second plate body toward the battery cell 42. In actual use, the smooth transition portion 443 can be constructed in different ways according to the thickness of the adapter 44. For example, when the thickness of the adapter 44 is less than 0.50 mm, the smooth transition portion 443 can be formed in the form of a curling edge, and when the thickness of the adapter 44 is greater than 0.50 mm, the smooth transition portion 443 can be formed in the form of a rounded corner.

[0050] In the battery provided in the present disclosure, two battery support frames can be provided in the outer shell 4, and the two battery support frames are respectively arranged on both sides of the length direction of the battery cell 42. The two battery support frames respectively support and limit the battery cell 42 from both ends of the battery cell 42 to prevent the battery cell 42 from shaking and tearing the pole ear part 41 when the battery is installed.

[0051] Among them, reference Figure 1 As shown in , the terminal assembly 45 includes an isolation seat 452 , the battery support frame is mounted on the isolation seat 452 , and part of the battery support frame abuts against the adapter 44 to facilitate the arrangement of the battery support frame in the housing 4 .

[0052] In the specific embodiments of the present disclosure, refer to Figure 6 As shown in the figure, the battery support frame may include a connecting frame body 1 and two support seats 2, the two support seats 2 are respectively connected to the two end portions of the connecting frame body 1, the support seat 2 has a first support surface 21, the first support surface 21 is used to support the battery cell 42, an avoidance portion 3 is formed between the support seat 2 and the connecting frame body 1, the avoidance portion 3 is used to avoid the battery ear portion 41, and an accommodating space 43 is formed between the connecting frame body 1 and the battery cell 42, and the ear portion 41 is partially located in the accommodating space 43 through the avoidance portion 3.

[0053] Through the above-mentioned technical scheme, by setting the connecting frame 1 and the support seats 2 at both ends, the support seats 2 support the battery cell part when the battery pack is assembled, and at the same time, an avoidance portion 3 is formed between the support seat 2 and the connecting frame 1 to accommodate the pole ear portion 41. On the one hand, the support of the support seat 2 can effectively resist external forces to avoid the pole ear portion 41 being pulled due to the shaking of the battery cell and other parts. On the other hand, the formed avoidance portion 3 can leave a certain margin for the pole ear portion 41 when the pole ear portion 41 is welded, so as to avoid the pole ear portion 41 from remaining in a taut state after welding, thereby further avoiding stress concentration at the pole ear portion 41, thereby solving the problem that the pole ear portion 41 is easily torn and broken during the assembly of the battery pack.

[0054] In order to facilitate the connection between the pole ear portion 41 and the adapter 44, a through hole is formed between the adapter 44 and the connecting frame body 1, so that the pole ear portion 41 can extend into the accommodating space 43. In addition, in order to meet the requirements of connecting the pole ear portion 41 and the adapter 44 (such as welding, etc.), the distance between the battery support frame and the adapter 44 is greater than the thickness of the pole ear portion 41. The distance between the battery support frame and the adapter 44 can be set according to actual needs, such as 1mm, 1.5mm, 2mm, etc., and the present disclosure does not make specific restrictions on this.

[0055] In order to further enhance the supporting strength of the battery support frame, in some embodiments of the present disclosure, reference Figure 6 As shown in the figure, the battery support frame may further include a reinforcing structure 5, and the connecting frame body 1 and / or the support seat 2 are provided with a reinforcing structure 5. By providing the reinforcing structure 5, the strength of the battery support frame itself is strengthened, thereby improving the supporting and stabilizing effect of the battery support frame on the battery cell.

[0056] In the specific implementations provided in the present disclosure, the support seat 2 can be designed in any suitable manner according to actual needs. Figure 6 As shown in , the support seat 2 can be constructed as a hollow shell seat, and the reinforcement structure 5 may include a first reinforcement rib 51, which is arranged inside the hollow shell seat and connected to the shell wall of the hollow shell seat, and the first reinforcement rib 51 has a second support surface 511, and the second support surface 511 is flush with the first support surface 21 and is used together to support the battery cell 42 of the battery. The support seat 2 is constructed as a hollow shell seat, which can reduce the weight of the support seat 2 while ensuring a certain support effect, thereby reducing the weight of the battery pack itself, and at the same time, the structure of the hollow shell seat can also have a better heat dissipation effect. Among them, by arranging the first reinforcement rib 51 in the hollow shell seat, on the one hand, the strength of the support seat 2 itself can be enhanced, and on the other hand, the second support surface 511 is flush with the first support surface 21 and can jointly support the battery cell 42 to enhance the support effect. In specific use, the support seat 2 and the first reinforcement rib 51 structure can select any suitable setting according to actual needs, and the present disclosure does not make specific restrictions on this.

[0057] In the present disclosure, the connecting frame 1 can be formed with a accommodating space 43, and the reinforcing structure 5 can include a second reinforcing rib 52, which is connected to the connecting frame 1 and is located in the accommodating space 43. The second reinforcing rib 52 has a third supporting surface 521, and the third supporting surface 521 is arranged at an angle to the first supporting surface 21, and the third supporting surface 521 is used to support the pole fixing portion 442 of the battery. The connecting frame 1 is reinforced and supported by the second reinforcing rib 52, and the third supporting surface 521 formed at the same time is used to support the pole fixing portion 442. The supporting effect between the third supporting surface 521 and the pole fixing portion 442 can effectively prevent the pole ear portion 41 from being subjected to a vertical force, and prevent the pole ear portion 41 from being torn by force.

[0058] In order to leave a storage space 43 for the pole ear portion 41, the second reinforcing rib 52 has an avoidance surface 522, which is arranged to be opposite to the pole ear portion 41 of the battery and is used to avoid the pole ear portion 41. By setting the avoidance surface 522, a space is left for accommodating the pole ear portion 41, which is used for accommodating and folding the pole ear portion 41. The avoidance surface 522 can be constructed as a curved surface. By constructing the avoidance surface 522 as a curved surface, it can not only leave a avoidance space for the pole ear portion 41, but also make the avoidance surface 522 smoother, thereby avoiding bumps and damages to the pole ear portion 41. In specific use, the avoidance surface 522 can also select any appropriate design according to actual needs, and the present disclosure does not make specific restrictions on this.

[0059] In the present disclosure, the connecting frame body 1 may have a first end face 12, the first end face 12 is parallel to the first supporting surface 21, and a first preset distance is set between the first end face 12 and the first supporting surface 21 to form an avoidance portion 3, wherein the first preset distance can be adaptively designed according to the size of the pole ear portion 41, and the present disclosure does not make any specific restrictions on this.

[0060] In the present disclosure, the support seat 2 has a fourth support surface 22, which is adjacent to the first support surface 21 and arranged at an angle, and the connecting frame body 1 has a second end surface 13, the second end surface 13 is parallel to the fourth support surface 22, and a second preset distance is set between the second end surface 13 and the fourth support surface 22. By setting the second preset distance, space is reserved for the installation of the plastic under the terminal assembly 45. At the same time, when the lower plastic part is installed, it can also provide a certain degree of support to the second end surface 13, further enhancing the supporting effect of the battery support frame.

[0061] In some embodiments provided in the present disclosure, reference Figure 6As shown in , the support base 2 can be provided with a fixing portion 23 for fixing with the terminal assembly 45 of the battery. The setting of the fixing portion 23 fixes the support base 2 and the battery support frame as a whole with the terminal assembly 45, and strengthens the connection between the battery support frame and other components of the battery pack. It also makes the battery support frame more stable when supporting. Among them, the fixing portion 23 can be constructed as a snap-in block 231, which protrudes from the support base 2 for snap-in connection with the terminal assembly 45. In the embodiments provided in the present disclosure, combined with reference Figure 5 and Figure 6 As shown in , the clamping block 231 has an arc-shaped mating surface, and accordingly, the isolation seat 452 is provided with an arc-shaped cut corner portion 455, which cooperates with the arc-shaped mating surface, so that it can play a role in limiting the battery support frame when the battery support frame is assembled. In addition, the thickness of the clamping block 231 is less than 0.50 mm, which can prevent the arc-shaped cut corner portion 455 of the isolation seat 452 from being too high, thereby reducing the space occupied by the isolation seat 452 in the battery height direction. In other embodiments, the shape of the clamping block 231 can be selected according to actual needs. Any suitable design, such as a triangle, a quadrilateral, etc., is selected, and the present disclosure does not make specific restrictions on this.

[0062] In the present disclosure, the support seat 2 can be constructed as a hollow shell seat and has a fourth support surface 22. The fourth support surface 22 can be provided with an opening 24, which is connected to the internal space of the hollow shell seat. The opening 24 corresponds to the position of the injection hole on the shell 4 to avoid the injection nozzle of the injection machine. In addition, in order to prevent the injection nozzle of the injection machine from deforming the battery, the width of the opening 24 is slightly larger than the diameter of the injection hole sink.

[0063] In the specific embodiments provided in the present disclosure, the battery can be designed in any suitable manner according to actual needs. In one embodiment, the battery can include a shell 4, a battery cell 42 disposed in the shell 4, and a pole ear portion 41 connected to the battery cell 42, the battery support frame is disposed in the shell 4, and the support seat 2 of the battery support frame is supported on the battery cell 42, and a receiving space 43 is formed between the connecting frame body 1 of the battery support frame and the battery cell 42, the pole ear portion 41 is partially located in the receiving space 43 through the avoidance portion 3, and the battery cell 42 is supported by the support seat 2, so that the assembly is more stable, and at the same time, the pole ear portion 41 is disposed in the receiving space 43 to avoid stress, so as to prevent the pole ear portion 41 from being torn and damaged.

[0064] In the present disclosure, an L-shaped structure can be formed between the pole ear fixing portion 441 and the pole post fixing portion 442. By setting the adapter 44 to an L-shaped structure and abutting the pole post fixing portion 442 against part of the battery support frame, and by designing the adapter 44 to be L-shaped, it is possible to reduce the space occupied by the adapter 44 while achieving the adapter and fixing effect on the pole ear portion 41, thereby leaving more space for the setting of the accommodating space 43.

[0065] In the present disclosure, a spacing space 46 is formed between the isolation seat 452 and the battery cell 42, and the accommodating space 43 is connected to the spacing space 46 for accommodating part of the pole ear portion 41. By forming the accommodating space 43 and communicating the accommodating space 43 with the spacing space 46, the accommodating space for the pole ear portion 41 is increased, and it can be suitable for accommodating pole ears 41 of different sizes and structures.

[0066] In the present disclosure, the battery shell 4 may be provided with a recessed portion 47, and the arrangement position of the battery support frame corresponds to the position of the recessed portion 47. The recessed portion 47 is used to accommodate the terminal assembly 45 of another battery when the batteries are grouped, thereby enabling maximum utilization of the space between two adjacent batteries, thereby improving the space utilization rate of the battery pack.

[0067] On the basis of the above solution, the present disclosure further provides an electric device, the electric device includes the above battery. The electric device provided by the present disclosure also has the above features, and in order to avoid repetition, it will not be described here.

[0068] In the present disclosure, the electrical device may be any suitable electrical device such as a mobile phone, a portable device, a laptop computer, a vehicle (such as a fuel vehicle, a gas vehicle, or a new energy vehicle, etc.), and the present disclosure does not impose any specific restrictions on this.

[0069] refer to Figures 1 to 6As shown, the specific implementation principle of the embodiment of the present disclosure is: when the battery is assembled, battery support frames are set at both ends of the battery cell 42 for support and limitation. At this time, the pole ear part 41 is connected to the pole ear fixing part 441 of the adapter 44 through the accommodating space 43 between the connecting frame body 1 and the battery cell 42, and then the pole 451 is fixedly connected to the pole post fixing part 442 of the adapter 44 through the through hole 453 on the isolation seat 452, thereby realizing the power output from the battery cell 42 to the pole ear part 41 and finally to the outside world. In this process, the support of the battery cell 42 by the support seat 2 prevents the battery cell 42 from sliding and tearing the pole ear part 41 during assembly. At the same time, the formation of the avoidance part 3 leaves space for accommodating the pole ear part 41, so that the pole ear part 41 can leave enough margin when connected to the adapter, avoiding stress concentration at the connection of the pole ear part 41, and further avoiding the pole ear part 41 from being torn and damaged. At the same time, the first reinforcing rib 51 and the second reinforcing rib 52 are provided to respectively reinforce the support seat 2 and the connecting frame 1, wherein the second supporting surface 511 of the first reinforcing rib 51 and the first supporting surface 21 jointly support the battery cell 42 to prevent the pole ear from being subjected to force from the direction of the battery cell 42, and the third supporting surface 521 of the second reinforcing rib 52 supports the pole column fixing portion 442 to prevent the pole ear portion 41 from being subjected to vertical force. Through the above-mentioned arrangement, stress concentration is avoided at the connection between the pole ear portion 41 and the battery cell 42, and the pole ear portion 41 is prevented from being torn and damaged during the assembly process.

[0070] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings; however, the present disclosure is not limited to the specific details in the above embodiments. Within the technical concept of the present disclosure, a variety of simple modifications can be made to the technical solution of the present disclosure, and these simple modifications all fall within the protection scope of the present disclosure.

[0071] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0072] In addition, various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A battery, characterized in that: The battery includes a shell, a battery cell, a terminal assembly and an adapter, the battery cell is arranged in the shell, the terminal assembly is at least partially arranged outside the shell, the shell is provided with a recessed portion, the recessed portion is arranged opposite to the terminal assembly for accommodating the terminal assembly of another battery, the adapter includes a pole lug fixing portion and a pole post fixing portion, the pole lug fixing portion is connected to the pole lug portion of the battery cell, the pole post fixing portion is connected to the terminal assembly, one end of the pole lug fixing portion is connected to one end of the pole post fixing portion at an angle to each other to form an opening, and the opening faces the recessed portion.

2. The battery according to claim 1, characterized in that A portion of the pole lug portion extends from the battery core away from the recessed portion toward the adapter, and extends from the opening into the adapter to be connected to the pole lug fixing portion.

3. The battery according to claim 2, characterized in that An angle formed between one end of the pole lug fixing portion and one end of the pole fixing portion is greater than or equal to 60° and less than 180°.

4. The battery according to claim 1, characterized in that The terminal assembly includes a pole and an isolation seat, the isolation seat is arranged in the shell and is provided with a through hole for the pole to pass through, the adapter is insulated and isolated from the shell by the isolation seat, and the pole passes through the shell and the through hole and is fixed to the pole fixing part.

5. The battery according to claim 4, characterized in that The terminal assembly also includes a connecting seat, which includes a first seat body and a second seat body, the first seat body is provided with an opening for the pole to pass through, the second seat body is connected to the first seat body at an angle, and the second seat body is formed with a welding portion for welding connection with the busbar.

6. The battery according to claim 4, characterized in that The isolation seat includes a seat body and an extension wall, the seat body is fixed to the shell and formed with a mounting groove, the extension wall extends from the seat body toward the recessed portion, the pole fixing portion is embedded in the mounting groove, and the pole lug fixing portion is parallel to the extension wall.

7. The battery according to claim 1, characterized in that The adapter is constructed in a plate shape and includes a first plate body and a second plate body, the first plate body is used as the pole fixing part to be connected to the terminal assembly, the second plate body is connected to the first plate body and is bent from the end of the first plate body to form an angle with the first plate body, and the second plate body is used as the pole ear fixing part to be connected to the pole ear part of the battery cell.

8. The battery according to claim 7, characterized in that The adapter also includes a smooth transition portion, which is disposed at an end of the second plate body away from the first plate body, and a smooth surface is formed on a side of the smooth transition portion facing the pole ear portion.

9. The battery according to claim 8, characterized in that The smooth transition portion is configured as a curling edge, which is connected to the second plate body and is curled from an end portion of the second plate body toward the battery core.

10. The battery according to any one of claims 1 to 9, characterized in that Two battery support frames are arranged in the shell, and the two battery support frames are respectively arranged on both sides of the battery cell in the length direction to support the battery cell.

11. The battery according to claim 10, characterized in that The terminal assembly includes an isolation seat, the battery support frame is mounted on the isolation seat, and a portion of the battery support frame abuts against the adapter.

12. The battery according to claim 11, characterized in that The battery support frame includes a connecting frame body and two support seats, the two support seats are respectively connected to the two end portions of the connecting frame body, the support seat has a first support surface, the first support surface is used to support the battery cell, an avoidance portion is formed between the support seat and the connecting frame body, the avoidance portion is used to avoid the pole ear portion, and an accommodating space is formed between the connecting frame body and the battery cell, and the pole ear portion is partially located in the accommodating space through the avoidance portion.

13. The battery according to claim 12, characterized in that A through opening is formed between the adapter and the connecting frame to allow the pole ear portion to extend into the accommodating space.

14. The battery according to claim 12, characterized in that The battery support frame also includes a reinforcement structure, and the connecting frame body and / or the support seat are provided with the reinforcement structure.

15. The battery according to claim 12, characterized in that The connecting frame has a first end surface, the first end surface is parallel to the first supporting surface, and a first preset distance is set between the first end surface and the first supporting surface to form the avoiding portion.

16. The battery according to claim 12, characterized in that The support seat has a fourth support surface, which is adjacent to the first support surface and arranged at an angle. The connecting frame has a second end surface, which is parallel to the fourth support surface, and a second preset distance is set between the second end surface and the fourth support surface.

17. The battery according to claim 16, characterized in that The support seat is provided with a fixing portion for fixing with the terminal assembly of the battery.

18. The battery according to claim 17, characterized in that The fixing portion is configured as a clamping block, which protrudes from the supporting seat so as to be clamped and connected with the terminal assembly.

19. The battery according to claim 12, characterized in that The support seat is configured as a hollow shell seat and has a fourth support surface. The fourth support surface is provided with an opening, and the opening is communicated with the inner space of the hollow shell seat.

20. The battery according to claim 12, characterized in that A spacing space is formed between the isolation seat and the battery core, and the accommodating space is communicated with the spacing space to accommodate part of the pole ear portion.

21. A battery pack, characterized in that: The battery pack comprises a battery according to any one of claims 1-20.

22. An electrical equipment, characterized in that: The electrical device comprises a battery according to any one of claims 1 to 20 or a battery pack according to claim 21.

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