Connecting assembly and energy storage equipment

Abstract

The embodiment of the utility model relates to the technical field of energy storage, and particularly discloses a connecting assembly, which comprises a connecting line, a first connecting terminal, a second connecting terminal and a first waterproof structure, the connecting line comprises a first end part, a second end part, a line body and at least two bending parts, one end of the line body is connected with the first end part through one of the at least two bending parts, the other end of the line body is connected with the second end part through the other one of the at least two bending parts, and the first end part and the second end part are oppositely arranged at an interval; the first connecting terminal is connected to the first end part, and the first connecting terminal is used for being connected with the energy storage unit; the second connecting terminal is connected to the second end part, and the second connecting terminal is used for being connected with the energy storage unit; the first waterproof structure covers the surface of the bending part. According to the embodiment of the utility model, the bending part is wrapped by the first waterproof structure, so that the cracking probability of the bending part can be reduced, the waterproof performance of the bending part is improved, and the invasion of water vapor from the bending part is reduced.

Description

Technical Field

[0001] The embodiments of the utility model relate to the field of energy storage technology, and in particular to a connection component and an energy storage device. Background Art

[0002] Energy storage equipment refers to a device that converts energy from one form to another to achieve energy storage and release. Energy storage equipment usually includes multiple energy storage units, which are connected by connecting wires.

[0003] With the continuous optimization of products on the market, the miniaturization of energy storage equipment has become a mainstream trend. For miniaturized energy storage equipment, in order to reduce the space occupied by energy storage units and connecting wires, multiple energy storage units are usually installed in the energy storage equipment in a stacked manner, and the connecting wires connecting multiple energy storage units are arranged in a bent manner. However, during long-term use, the bends of the connecting wires are prone to cracking, resulting in reduced waterproof performance at the bends, which makes it easy for water vapor to invade from the bends and cause short-circuit damage to the energy storage equipment. Utility Model Content

[0004] The main technical problem solved by the embodiments of the utility model is to provide a connection assembly and an energy storage device, which can improve the waterproof performance of the bending part and reduce the intrusion of water vapor from the bending part.

[0005] In order to solve the above technical problems, a technical solution adopted in an embodiment of the utility model is: providing a connection component, including a connecting wire, a first connecting terminal, a second connecting terminal and a first waterproof structure; the connecting wire includes a first end, a second end, a wire body and at least two bending parts, one end of the wire body is connected to the first end through at least one of the two bending parts, and the other end of the wire body is connected to the second end through the other of the at least two bending parts, and the first end and the second end are arranged relatively spaced apart; the first connecting terminal is connected to the first end, and the first connecting terminal is used to connect to the energy storage unit; the second connecting terminal is connected to the second end, and the second connecting terminal is used to connect to the energy storage unit; the first waterproof structure is coated on the surface of the bending part.

[0006] Optionally, the connection assembly further includes a second waterproof structure, and the second waterproof structure is coated on the surface of the first waterproof structure.

[0007] Optionally, the first waterproof structure includes a first bent tube body and a first reinforcing rib, the first bent tube body is sleeved on the bent portion, and the first reinforcing rib is connected to the bending portion of the first bent tube body.

[0008] Optionally, the first waterproof structure further includes a first extension tube body and a second extension tube body extending from both ends of the first bent tube body, the first extension tube body is sleeved on a portion of the first end portion, and the second extension tube body is sleeved on a portion of the wire body.

[0009] Optionally, the second waterproof structure includes a second bent tube body and a second reinforcing rib, the second bent tube body is sleeved on the first bent tube body, and the second reinforcing rib is connected to the bending portion of the second bent tube body.

[0010] Optionally, the second waterproof structure further includes a third extension tube body and a fourth extension tube body extending from two ends of the second bent tube body, the third extension tube body is sleeved on the first extension tube body, and the fourth extension tube body is sleeved on the second extension tube body.

[0011] Optionally, the first extension tube body and the second extension tube body are both elastic, the inner wall of the first extension tube body elastically abuts against part of the outer wall of the first end portion, and the inner wall of the second extension tube body elastically abuts against part of the outer wall of the wire body; and / or the third extension tube body and the fourth extension tube body are both elastic, the inner wall of the third extension tube body elastically abuts against the outer wall of the first extension tube body, and the inner wall of the fourth extension tube body elastically abuts against the outer wall of the second extension tube body.

[0012] In order to solve the above technical problems, another technical solution adopted in an embodiment of the utility model is: providing an energy storage device, including a first energy storage unit, a second energy storage unit and the above-mentioned connection assembly; the first energy storage unit is provided with a first connection port; the second energy storage unit is provided with a second connection port, the second energy storage unit is overlapped with the first energy storage unit, and the second connection port and the first connection port are located on the same side; the first connection terminal is sealed connected to the first connection port, and the second connection terminal is sealed connected to the second connection port.

[0013] Optionally, the side wall of the first connection port is provided with a first locking groove, and the first connection terminal is provided with a first locking portion, which is rotatable. When the first connection terminal is sealed and connected to the first connection port, the first locking portion is rotationally locked with the first locking groove; and / or the side wall of the second connection port is provided with a second locking groove, and the second connection terminal is provided with a second locking portion, which is rotatable. When the second connection terminal is sealing and connected to the second connection port, the second locking portion is rotationally locked with the second locking groove.

[0014] Optionally, the side wall of the first locking part is provided with a first anti-slip structure, and the first anti-slip structure is used to prevent slipping when the first locking part rotates; and / or the side wall of the second locking part is provided with a second anti-slip structure, and the second anti-slip structure is used to prevent slipping when the second locking part rotates.

[0015] The beneficial effects of the embodiments of the utility model are as follows: Different from the prior art, the embodiments of the utility model provide a connection assembly, including a connection line, a first connection terminal, a second connection terminal and a first waterproof structure; the connection line includes a first end, a second end, a wire body and at least two bending parts, one end of the wire body is connected to the first end through one of the at least two bending parts, the other end of the wire body is connected to the second end through the other of the at least two bending parts, and the first end and the second end are arranged relatively spaced apart; the first connection terminal is connected to the first end, and the first connection terminal is used to connect to the energy storage unit; the second connection terminal is connected to the second end, and the second connection terminal is used to connect to the energy storage unit; the first waterproof structure is coated on the surface of the bending part. In the embodiments of the utility model, by coating the bending part with the first waterproof structure, the probability of cracking of the bending part can be reduced, the waterproof performance of the bending part can be improved, and the intrusion of water vapor from the bending part can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the specific embodiments or the prior art description. In all the drawings, similar elements or parts are generally identified by similar reference numerals. In the drawings, each element or part is not necessarily drawn according to the actual scale.

[0017] Figure 1 The overall structure of the connection assembly provided by the embodiment of the utility model is shown in FIG. Figure 1 ;

[0018] Figure 2 The overall structure of the connection assembly provided by the embodiment of the utility model is shown in FIG. Figure 2 ;

[0019] Figure 3 It is an exploded view of the overall structure of the connection assembly provided in the embodiment of the utility model;

[0020] Figure 4 It is a schematic diagram of the overall structure of the energy storage device provided by the embodiment of the utility model;

[0021] Figure 5 It is an exploded view of the overall structure of the energy storage device provided by the embodiment of the utility model;

[0022] Figure 6 It is a partial structural schematic diagram of the energy storage device provided by the embodiment of the utility model;

[0023] Figure 7 It is a partial structural exploded diagram of the energy storage device provided in the embodiment of the utility model.

[0024] Description of reference numerals:

[0025] 1-connecting wire, 11-first end, 12-second end, 13-wire body, 14-bending portion, 2-first connecting terminal, 21-first locking portion, 211-first anti-slip structure, 3-second connecting terminal, 31-second locking portion, 311-second anti-slip structure, 4-first waterproof structure, 41-first bent tube body, 42-first reinforcing rib, 43-first extension tube body, 44-second extension tube body, 5-second waterproof structure, 51-second bent tube body, 52-second reinforcing rib, 53-third extension tube body, 54-fourth extension tube body;

[0026] 100 - connection assembly, 101 - first energy storage unit, 1010 - first connection port, 1011 - first locking groove, 102 - second energy storage unit, 1020 - second connection port, 1021 - second locking groove; 200 - energy storage device. DETAILED DESCRIPTION

[0027] In order to facilitate the understanding of the utility model, the utility model is described in more detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that when an element is described as "fixed to" another element, it can be directly on another element or there can be one or more centered elements therebetween. When an element is described as "connected" to another element, it can be directly connected to another element or there can be one or more centered elements therebetween. The orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "vertical", "horizontal", etc. used in this specification is based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the utility model 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 cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0028] Unless otherwise defined, all technical and scientific terms used in this specification have the same meaning as those commonly understood by technicians in the technical field of the present invention. The terms used in this specification are only for the purpose of describing specific embodiments and are not used to limit the present invention. The term "and / or" used in this specification includes any and all combinations of one or more related listed items.

[0029] See also Figures 1 to 3The utility model provides an embodiment of a connection assembly 100, a connection assembly 100, comprising a connection line 1, a first connection terminal 2, a second connection terminal 3 and a first waterproof structure 4; the connection line 1 comprises a first end 11, a second end 12, a wire body 13 and at least two bending parts 14, one end of the wire body 13 is connected to the first end 11 through one of the at least two bending parts 14, and the other end of the wire body 13 is connected to the second end 12 through the other of the at least two bending parts 14, and the first end 11 and the second end 12 are arranged relatively spaced apart; the first connection terminal 2 is connected to the first end 11, and the first connection terminal 2 is used to connect to the energy storage unit; the second connection terminal 3 is connected to the second end 12, and the second connection terminal 3 is used to connect to the energy storage unit; the first waterproof structure 4 is coated on the surface of the bending part 14. In the above manner, the first waterproof structure 4 can cover the bending part 14, reduce the probability of cracking of the bending part 14, improve the waterproof performance of the bending part 14, and reduce the intrusion of water vapor from the bending part 14.

[0030] For the above-mentioned connection assembly 100, in order to further reduce the probability of cracking of the bending portion 14 and further improve the waterproof performance of the bending portion 14, please refer to Figures 1 to 3 The connection assembly 100 also includes a second waterproof structure 5 , which is coated on the surface of the first waterproof structure 4 .

[0031] It can be understood that any one of the at least two bending portions 14 is covered with the first waterproof structure 4 and the second waterproof structure 5 .

[0032] It can also be understood that the arrangement of the above-mentioned first waterproof structure 4 and the second waterproof structure 5 can incrementally increase the impact resistance of the bending portion 14. When the bending portion 14 is subjected to external impact or extrusion, the first waterproof structure 4 and the second waterproof structure 5 can effectively disperse the force suffered by the bending portion 14, reduce damage to the bending portion 14, and thereby reduce the probability of cracking of the bending portion 14.

[0033] For the first waterproof structure 4, please refer to Figures 1 to 3The first waterproof structure 4 includes a first bent tube body 41 and a first reinforcing rib 42. The first bent tube body 41 is sleeved on the bent portion 14, and the first reinforcing rib 42 is connected to the bent portion of the first bent tube body 41. Through the above-mentioned first bent tube body 41, the first bent tube body 41 can be effectively fitted or covered with the bent portion 14, thereby improving the fit between the first bent tube body 41 and the bent portion 14, and reducing the intrusion of water vapor between the first bent tube body 41 and the bent portion 14; in addition, through the first reinforcing rib 42, the structural strength and stability of the first bent tube body 41 and the impact resistance of the first bent tube body 41 can be enhanced, and the intrusion of water vapor caused by the movement or deformation of the first bent tube body 41 during use can be reduced. Therefore, through the cooperation of the above-mentioned first bent tube body 41 and the first reinforcing rib 42, the waterproof performance of the first waterproof structure 4 is effectively improved, and then the waterproof performance of the bent portion 14 is improved.

[0034] For the first waterproof structure 4, in order to further improve the waterproof performance of the first waterproof structure 4, please refer to Figures 1 to 3 The first waterproof structure 4 also includes a first extension tube body 43 and a second extension tube body 44 extending from both ends of the first bent tube body 41. The first extension tube body 43 is sleeved on a portion of the first end 11, and the second extension tube body 44 is sleeved on a portion of the line body 13. The cross-sectional shape of the first extension tube body 43 is the same as the cross-sectional shape of the first end 11, and the cross-sectional shape of the second extension tube body 44 is the same as the cross-sectional shape of the line body 13. In the above manner, the first extension tube body 43 can effectively fit or cover a portion of the first end 11, and the second extension tube body 44 can also effectively fit or cover a portion of the line body 13, thereby improving the fit between the first extension tube body 43 and the first end 11, and improving the fit between the second extension tube body 44 and the line body 13, thereby reducing the intrusion of water vapor from both ends of the first bent tube body 41 into the interior of the first bent tube body 41, and further improving the waterproof performance of the first waterproof structure 4.

[0035] For the second waterproof structure 5, please refer to Figures 1 to 3The second waterproof structure 5 includes a second bent tube body 51 and a second reinforcing rib 52. The second bent tube body 51 is sleeved on the first bent tube body 41, and the second reinforcing rib 52 is connected to the bending part of the second bent tube body 51. Through the second bent tube body 51, the second bent tube body 51 can be effectively fitted or covered with the first bent tube body 41, thereby improving the fit between the second bent tube body 51 and the first bent tube body 41, and reducing the intrusion of water vapor between the second bent tube body 51 and the first bent tube body 41; in addition, through the second reinforcing rib 52, the structural strength and stability of the second bent tube body 51 and the impact resistance of the second bent tube body 51 can be enhanced, and the intrusion of water vapor caused by the movement or deformation of the second bent tube body 51 during use can be reduced. Therefore, through the cooperation of the second bent tube body 51 and the second reinforcing rib 52, the waterproof performance of the second waterproof structure 5 is effectively improved, and the waterproof performance of the bending portion 14 is further improved.

[0036] For the above second waterproof structure 5, in order to further improve the waterproof performance of the second waterproof structure 5, please refer to Figures 1 to 3 The second waterproof structure 5 further includes a third extension tube body 53 and a fourth extension tube body 54 extending from both ends of the second bent tube body 51. The third extension tube body 53 is sleeved on the first extension tube body 43, and the fourth extension tube body 54 is sleeved on the second extension tube body 44. The cross-sectional shape of the third extension tube body 53 is the same as the cross-sectional shape of the first extension tube body 43, and the cross-sectional shape of the fourth extension tube body 54 is the same as the cross-sectional shape of the second extension tube body 44. In the above manner, the third extension tube body 53 can be effectively fitted or covered with the first extension tube body 43, and the fourth extension tube body 54 can also be effectively fitted or covered with the second extension tube body 44, thereby improving the fit between the third extension tube body 53 and the first extension tube body 43, and improving the fit between the fourth extension tube body 54 and the second extension tube body 44, thereby reducing the intrusion of water vapor from both ends of the second bent tube body 51 into the interior of the second bent tube body 51, and further improving the waterproof performance of the second waterproof structure 5.

[0037] For the first waterproof structure 4 and the second waterproof structure 5, please refer to Figures 1 to 3 In some embodiments, the length of the first extension tube 43 is the same as the length of the third extension tube 53, and the length of the second extension tube 44 is the same as the length of the fourth extension tube 54. Through the above arrangement, the contact area between the first waterproof structure 4 and the second waterproof structure 5 can be increased.

[0038] For the first waterproof structure 4 and the second waterproof structure 5, please refer to Figures 1 to 3In some embodiments, the first extension tube 43 and the second extension tube 44 are both elastic, the inner wall of the first extension tube 43 elastically abuts against part of the outer wall of the first end 11, and the inner wall of the second extension tube 44 elastically abuts against part of the outer wall of the line 13; and / or the third extension tube 53 and the fourth extension tube 54 are both elastic, the inner wall of the third extension tube 53 elastically abuts against the outer wall of the first extension tube 43, and the inner wall of the fourth extension tube 54 elastically abuts against the outer wall of the second extension tube 44. In the above manner, the tightness of the first waterproof structure 4 and the bending portion 14 can be improved, and the tightness of the second waterproof structure 5 and the first waterproof structure 4 can be improved.

[0039] The embodiment of the utility model provides a connection assembly 100, including a connection line 1, a first connection terminal 2, a second connection terminal 3 and a first waterproof structure 4; the connection line 1 includes a first end 11, a second end 12, a wire body 13 and at least two bending parts 14, one end of the wire body 13 is connected to the first end 11 through one of the at least two bending parts 14, and the other end of the wire body 13 is connected to the second end 12 through the other of the at least two bending parts 14, and the first end 11 and the second end 12 are arranged relatively spaced apart; the first connection terminal 2 is connected to the first end 11, and the first connection terminal 2 is used to connect to the energy storage unit; the second connection terminal 3 is connected to the second end 12, and the second connection terminal 3 is used to connect to the energy storage unit; the first waterproof structure 4 is coated on the surface of the bending part 14. In the embodiment of the utility model, by coating the bending part 14 with the first waterproof structure 4, the probability of cracking of the bending part 14 can be reduced, the waterproof performance of the bending part 14 can be improved, and the intrusion of water vapor from the bending part 14 can be reduced.

[0040] See also Figure 4 and Figure 5 The utility model further provides an embodiment of an energy storage device 200, an energy storage device 200, comprising a first energy storage unit 101, a second energy storage unit 102 and the above-mentioned connection assembly 100; the first energy storage unit 101 is provided with a first connection port 1010; the second energy storage unit 102 is provided with a second connection port 1020, the second energy storage unit 102 is overlapped with the first energy storage unit 101, and the second connection port 1020 and the first connection port 1010 are located on the same side; the first connection terminal 2 is sealedly connected to the first connection port 1010, and the second connection terminal 3 is sealedly connected to the second connection port 1020. It can be understood that the first connection terminal 2 is sealedly connected to the first connection port 1010, and the second connection terminal 3 is sealedly connected to the second connection port 1020, and the connection methods thereof include but are not limited to one or more of the connection methods such as plug-in, snap-on, adhesive, magnetic attraction or clamping.

[0041] For the above energy storage device 200, please refer to Figure 4 and Figure 5 In some embodiments, the first energy storage unit 101 and the second energy storage unit 102 are aligned and stacked in the horizontal direction or in the vertical direction, and the first connection port 1010 and the second connection port 1020 are both close to the stacking plane of the first energy storage unit 101 and the second energy storage unit 102. In the above manner, the overall volume of the first energy storage unit 101 and the second energy storage unit 102 after stacking can be reduced, and the extension length of the connection component 100 can be shortened, thereby effectively reducing the overall volume of the energy storage device 200, which is conducive to the miniaturization or lightweight development of the energy storage device 200.

[0042] For the above energy storage device 200, please refer to Figures 5 to 7 The first connection port 1010 is provided with a first locking groove 1011 on the side wall, and the first connection terminal 2 is provided with a first locking portion 21, which is rotatable. When the first connection terminal 2 is sealed and connected with the first connection port 1010, the first locking portion 21 is rotatably locked with the first locking groove 1011; and / or the second connection port 1020 is provided with a second locking groove 1021 on the side wall, and the second connection terminal 3 is provided with a second locking portion 31, which is rotatable. When the second connection terminal 3 is sealed and connected with the second connection port 1020, the second locking portion 31 is rotatably locked with the second locking groove 1021. In the above manner, the sealing performance can be improved by locking after the first connection terminal 2 and the first connection port 1010 are connected, and the sealing performance can be improved by locking after the second connection terminal 3 and the second connection port 1020 are connected, and the influence on the sealing performance caused by looseness due to collision is reduced.

[0043] Regarding the energy storage device 200, it is considered that the user may slip when driving the first locking part 21 and / or the second locking part 31 to rotate and lock, resulting in incomplete locking. Figures 5 to 7 , the side wall of the first locking portion 21 is provided with a first anti-skid structure 211, and the first anti-skid structure 211 is used to prevent skidding when the first locking portion 21 rotates; and / or the side wall of the second locking portion 31 is provided with a second anti-skid structure 311, and the second anti-skid structure 311 is used to prevent skidding when the second locking portion 31 rotates. In the above manner, the surface friction of the first locking portion 21 and / or the second locking portion 31 can be improved, thereby reducing slippage. It can be understood that the first anti-skid structure 211 and the second anti-skid structure 311 include but are not limited to a plurality of stripe structures or a plurality of granular structures.

[0044] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A connection assembly, characterized in that: include: A connecting wire, comprising a first end, a second end, a wire body and at least two bending portions, wherein one end of the wire body is connected to the first end through one of the at least two bending portions, and the other end of the wire body is connected to the second end through the other of the at least two bending portions, and the first end and the second end are arranged with a relative spacing; A first connecting terminal connected to the first end, the first connecting terminal being used to connect to an energy storage unit; A second connecting terminal connected to the second end, the second connecting terminal being used to connect to an energy storage unit; The first waterproof structure is coated on the surface of the bent portion.

2. The connection assembly according to claim 1, characterized in that: The connection assembly also includes a second waterproof structure, and the second waterproof structure is coated on the surface of the first waterproof structure.

3. The connection assembly according to claim 2, characterized in that: The first waterproof structure includes a first bent tube body and a first reinforcing rib. The first bent tube body is sleeved on the bent portion, and the first reinforcing rib is connected to the bent portion of the first bent tube body.

4. The connection assembly according to claim 3, characterized in that: The first waterproof structure further includes a first extension tube body and a second extension tube body extending from both ends of the first bent tube body, the first extension tube body is sleeved on a portion of the first end portion, and the second extension tube body is sleeved on a portion of the wire body.

5. The connection assembly according to claim 4, characterized in that: The second waterproof structure includes a second bent tube body and a second reinforcing rib. The second bent tube body is sleeved on the first bent tube body, and the second reinforcing rib is connected to the bending part of the second bent tube body.

6. The connection assembly according to claim 5, characterized in that: The second waterproof structure further includes a third extension tube and a fourth extension tube extending from two ends of the second bent tube. The third extension tube is sleeved on the first extension tube, and the fourth extension tube is sleeved on the second extension tube.

7. The connection assembly according to claim 6, characterized in that: The first extension tube and the second extension tube are both elastic, the inner wall of the first extension tube elastically abuts against a portion of the outer wall of the first end portion, and the inner wall of the second extension tube elastically abuts against a portion of the outer wall of the wire body; and / or The third extension tube body and the fourth extension tube body are both elastic, the inner wall of the third extension tube body elastically abuts against the outer wall of the first extension tube body, and the inner wall of the fourth extension tube body elastically abuts against the outer wall of the second extension tube body.

8. An energy storage device, characterized in that: include: A first energy storage unit is provided with a first connection port; A second energy storage unit is provided with a second connection port, the second energy storage unit is stacked with the first energy storage unit, and the second connection port and the first connection port are located on the same side; According to the connection assembly as described in any one of claims 1 to 7, the first connection terminal is sealed and connected to the first connection port, and the second connection terminal is sealed and connected to the second connection port.

9. The energy storage device according to claim 8, characterized in that: The side wall of the first connection port is provided with a first locking groove, the first connection terminal is provided with a first locking portion, the first locking portion is rotatably arranged, and when the first connection terminal is sealed and connected to the first connection port, the first locking portion is rotatably locked with the first locking groove; and / or The side wall of the second connection port is provided with a second locking groove, and the second connection terminal is provided with a second locking portion. The second locking portion is rotatably arranged. When the second connection terminal is sealed and connected to the second connection port, the second locking portion is rotationally locked with the second locking groove.

10. The energy storage device according to claim 9, characterized in that: The side wall of the first locking portion is provided with a first anti-slip structure, and the first anti-slip structure is used to prevent slipping when the first locking portion rotates; and / or The side wall of the second locking portion is provided with a second anti-slip structure, and the second anti-slip structure is used to prevent slipping when the second locking portion rotates.

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