Safe copper bar connector for energy storage system

Abstract

The utility model provides a safe copper bar connector for an energy storage system, which comprises a base, a current-carrying support, a current-carrying copper bar and a protective cover, the upper end of the current-carrying copper bar is connected with the top of the current-carrying support, and the middle part of the current-carrying copper bar is arranged in a copper bar channel in a penetrating manner and is positioned between the base and the current-carrying support; the lower end of the current-carrying copper bar extends to the bottom side of the current-carrying support. Lock catches are arranged on the locking side plates on the two sides of the protective cover, only the two sides of the middle of each lock catch are connected with the locking side plates, lock catch holes are formed in the lower portions of the lock catches, and lock catch clamping hooks are correspondingly arranged on the base; the protective cover is buckled on the base, and the lock catch clamping hooks are clamped in the corresponding lock catch holes. The current-carrying copper bar is of an integrated structure, is convenient to assemble, and is high in current-carrying capability, low in contact resistance and small in temperature rise. A plurality of locking and limiting structures are arranged, so that the stability of the assembled product is guaranteed, mistaken opening is reduced, no assembling risk exists, the safety and reliability are improved, the device can be suitable for more application scenes, and construction is more convenient and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of energy storage system application equipment, in particular to a safety copper busbar connector for an energy storage system. Background Art

[0002] Copper busbar connectors are electrical accessories used to connect wires and electrical equipment, usually including copper busbars, insulating bases, and connecting nuts. The main function of copper busbar connectors is to achieve connections between different electrical components, ensure smooth flow of electrical signals, and maintain stability and safety of the connection.

[0003] The commonly used copper busbar connectors currently have a small current-carrying capacity, and the input and output ends use an assembled connection structure, which has high resistance and high temperature rise. There are a lack of protective measures and insufficient safety, and there is a risk of accidental opening and misassembly. In addition, the product assembly is not secure and is prone to falling off and failure, which limits the product's applicable scenarios. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a safe copper busbar connector for an energy storage system, thereby improving the current carrying capacity of the product and ensuring safety and reliability.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A safety copper busbar connector for an energy storage system comprises a base, a current-carrying bracket, a current-carrying copper busbar and a protective cover.

[0007] A mounting groove is provided in the middle of the base, the current-carrying bracket is arranged in the mounting groove, and a copper bar channel is provided on one side of the current-carrying bracket; the current-carrying copper bar is an integrated structure, the upper end of the current-carrying copper bar is connected to the top of the current-carrying bracket, the middle part of the current-carrying copper bar is passed through the copper bar channel and is located between the base and the current-carrying bracket, and the lower end of the current-carrying copper bar extends to the bottom side of the current-carrying bracket.

[0008] The protective cover has a top plate and two locking side plates relatively arranged below the top plate, each of the locking side plates is provided with a lock buckle, and the lock buckle is connected to the locking side plates only on two sides of the middle part, and a lock buckle hole is provided at the lower part of the lock buckle, and a lock buckle hook is correspondingly provided on the base; the protective cover is buckled on the base, and the lock buckle hook is engaged in the corresponding lock buckle hole.

[0009] Preferably, the current-carrying copper busbar is made of red copper, and has a thickness greater than 3 mm and a width greater than 20 mm.

[0010] Preferably, a two-way nut is provided inside the current-carrying bracket, and an internal threaded hole extending along the axial direction thereof is provided inside the two-way nut.

[0011] Preferably, the current-carrying copper busbar is a C-shaped structure, the upper end of the current-carrying copper busbar is in contact with the top surface of the current-carrying bracket, and the lower end of the current-carrying copper busbar is in contact with the bottom surface of the current-carrying bracket; the upper end of the current-carrying copper busbar and the lower end of the current-carrying copper busbar are both provided with bolt through holes, and the two bolt through holes are coaxially arranged with the internal threaded hole of the double-pass nut.

[0012] Preferably, the upper end of the current-carrying copper busbar is in contact with the top surface of the current-carrying bracket, and a bolt through hole is provided at the upper end of the current-carrying copper busbar, and the bolt through hole is coaxially arranged with the internal threaded hole of the double-pass nut; the lower end of the current-carrying copper busbar has a transition portion and a connecting portion, the transition portion is parallel to the upper end of the current-carrying copper busbar, the connecting portion is perpendicular to the transition portion and extends downward, and a locking nut is provided on the connecting portion.

[0013] Preferably, a first limiting step protruding inwardly is provided at the lower portion of the inner wall of the mounting groove, and a second limiting step protruding outwardly is provided at the upper portion of the outer wall of the current-carrying bracket, and the first limiting step abuts against the second limiting step.

[0014] Preferably, a limiting hook protruding inwardly is provided on the upper portion of the inner wall of the installation groove, and a limiting block protruding outwardly is provided on the outer wall of the second limiting step, and the limiting block abuts against the limiting hook.

[0015] Preferably, the base, the current-carrying bracket and the protective cover are all quadrilateral structures, the first limiting step extends along the three inner walls of the mounting groove and avoids the current-carrying copper bus, and the limiting hooks are arranged on the upper parts of the corresponding three inner walls of the mounting groove; the second limiting step extends along the three outer walls of the current-carrying bracket and avoids the current-carrying copper bus, and the three outer walls of the second limiting step are provided with limiting blocks.

[0016] Preferably, the protective cover further comprises a closing side plate and an observation side plate which are relatively arranged between the two locking side plates, an observation port is reserved on the observation side plate, and an anti-finger-touch baffle is arranged on the upper part of the observation port.

[0017] Preferably, the locking hooks are provided on four sides of the base.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows: in the safety copper busbar connector for the energy storage system of the utility model, the current-carrying copper busbar adopts an integrated structure, which is convenient for assembly, and has strong current-carrying capacity, low contact resistance, and small temperature rise; multiple locking and limiting structures are set to ensure the stability of the product after assembly, reduce the risk of accidental opening and no assembly, improve safety and reliability, can be applied to more application scenarios, and make construction more convenient and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is an exploded view of a safety copper busbar connector for an energy storage system according to an embodiment of the utility model.

[0020] Figure 2 This is a schematic diagram of the combination of a safety copper busbar connector for an energy storage system according to an embodiment of the utility model.

[0021] Figure 3 The figure is a side view of a safety copper busbar connector for an energy storage system according to an embodiment of the present invention.

[0022] Figure 4 It is a cross-sectional view of a safety copper busbar connector for an energy storage system according to an embodiment of the utility model.

[0023] Figure 5 It is a cross-sectional view of a safety copper busbar connector for an energy storage system according to an embodiment of the present utility model at another cross-sectional plane.

[0024] Figure 6 This is an exploded view of a safety copper busbar connector for an energy storage system according to another embodiment of the utility model.

[0025] Figure 7 This is a schematic assembly diagram of a safety copper busbar connector for an energy storage system according to another embodiment of the utility model.

[0026] Figure 8 This is a cross-sectional view of a safety copper busbar connector for an energy storage system according to another embodiment of the utility model.

[0027] Fig. 9 It is a cross-sectional view of another embodiment of the present invention of a safety copper busbar connector for an energy storage system at another cutting plane.

[0028] In the figure, 100, 200-copper busbar connector, 10-base, 11-mounting slot, 12-locking hook, 13-first limiting step, 14-limiting hook, 20-current-carrying bracket, 21-copper busbar channel, 22-two-way nut, 23-second limiting step, 24-limiting block, 30, 50-current-carrying copper busbar, 31, 51-bolt through hole, 40-protective cover, 41-top plate, 42-locking side plate, 421-locking buckle, 422-locking buckle hole, 43-closed side plate, 44-observation side plate, 441-observation port, 442-anti-touch finger baffle, 52-transition part, 53-connecting part, 54-locking nut. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model. It can be understood that some technical means of the various embodiments described herein can be replaced or combined with each other without conflict.

[0030] In the description of the present invention, if there are terms such as "first", "second", etc., they are only used to distinguish the objects described, and do not have any order or technical meaning. Therefore, the objects defined as "first", "second", etc. may explicitly or implicitly include one or more of the objects. Moreover, "one" or "a" and similar words do not indicate a quantity limitation, but indicate the existence of at least one, and "multiple" means not less than two.

[0031] In the description of the utility model specification, reference to "one embodiment" or "some embodiments" etc. means that one or more embodiments of the utility model include specific features, structures or characteristics described in conjunction with the embodiment. Therefore, the phrases "in one embodiment", "in some embodiments", "in some other embodiments", "in some other embodiments", etc. appearing in different places in the specification do not necessarily refer to the same embodiment, but mean "one or more but not all embodiments", unless otherwise specifically emphasized in other ways.

[0032] Please refer to Figures 1 to 5 The utility model provides a safety copper busbar connector 100 for an energy storage system, which includes a detachably connected base 10, a current-carrying bracket 20, a current-carrying copper busbar 30 and a protective cover 40.

[0033] Specifically, a mounting groove 11 is provided in the middle of the base 10, the current-carrying bracket 20 is provided in the mounting groove 11, and a copper bar channel 21 is provided on one side of the current-carrying bracket 20. The current-carrying copper bar 30 is an integrated structure, which is convenient for assembly, and has strong current-carrying capacity, low contact resistance, and small temperature rise. The upper end of the current-carrying copper bar 30 is connected to the top of the current-carrying bracket 20, the middle part of the current-carrying copper bar 30 is penetrated in the copper bar channel 21 and is located between the base 10 and the current-carrying bracket 20, and the lower end of the current-carrying copper bar 30 extends to the bottom side of the current-carrying bracket 20.

[0034] The protective cover 40 has a top plate 41 and two locking side plates 42 relatively arranged below the top plate 41, each locking side plate 42 is provided with a lock 421, the lock 421 is connected to the locking side plate 42 only on both sides of the middle part, the lower part of the lock 421 is provided with a lock hole 422, and the base 10 is correspondingly provided with a lock hook 12; the protective cover 40 is buckled on the base 10, and the lock hook 12 is engaged in the corresponding lock hole 422.

[0035] Among them, the base 10 and the protective cover 40 can be processed by integral injection molding respectively. The lock buckle 421 is connected to the locking side plate 42 only on both sides of the middle part, and the protective cover 40 made of insulating plastic material has a certain elasticity, so the lock buckle 421 forms a lever structure, and when the upper part of the lock buckle 421 is pressed, the lower part of the lock buckle 421 can move outward. Since the utility model is provided with lock buckles 421 on both sides of the protective cover 40, and the lock buckle hooks 12 on both sides of the base 10 are respectively engaged in the two lock buckle holes 422, therefore, when the protective cover 40 is engaged on the base 10, only when the upper parts of the two lock buckles 421 are pressed at the same time, the lower parts of the two lock buckles 421 can be disengaged from the two lock buckle hooks 12 on the base 10, thereby improving the reliability and safety of the copper bus connector 100 and preventing the protective cover 40 from being opened by mistake.

[0036] When assembling the copper busbar connector 100 , first install the current-carrying copper busbar 30 to the side of the current-carrying bracket 20 , then install the current-carrying bracket 20 and the current-carrying copper busbar 30 into the mounting groove 11 of the base 10 as a whole, and finally, snap the protective cover 40 onto the base 10 .

[0037] In some preferred embodiments of the present invention, the current-carrying copper bus 30 is made of red copper with strong conductivity, and the thickness of the current-carrying copper bus 30 is greater than 3 mm, the width is greater than 20 mm, and the current-carrying copper bus 30 is processed by a double electroplating process, so that the current-carrying copper bus 30 has better current-carrying capacity and higher reliability, and can carry at least 250A of current, thereby broadening the application range of the copper bus connector 100.

[0038] In some preferred embodiments of the utility model, a double-pass nut 22 is provided inside the current-carrying bracket 20, and an internal threaded hole extending along its axial direction is provided inside the double-pass nut 22. The double-pass nut 22 adopts an integrated structure, and the upper end of the double-pass nut 22 can be used to be fastened and connected with the upper end (input end) of the current-carrying copper bus 30, and the lower end of the double-pass nut 22 can be used to be fastened and connected with the lower end (output end) of the current-carrying copper bus 30 or other output end devices, so that the current transmission capacity of the copper bus connector 100 is stronger and the operation loss is lower.

[0039] It should be noted that the structure of the current-carrying copper busbar can be reasonably set according to actual needs.

[0040] Please refer to Figures 1 to 5 In some preferred embodiments of the utility model, the current-carrying copper busbar 30 is a C-shaped structure, the upper end of the current-carrying copper busbar 30 is in contact with the top surface of the current-carrying bracket 20, and the lower end of the current-carrying copper busbar 30 is in contact with the bottom surface of the current-carrying bracket 20. Bolt through holes 31 are provided at the upper end and the lower end of the current-carrying copper busbar 30, and the two bolt through holes 31 are coaxially arranged with the internal threaded holes of the double-pass nut 22, so as to facilitate the use of bolts to lock the current-carrying copper busbar 30 and the current-carrying bracket 20, thereby enhancing the current transmission capacity of the copper busbar connector 100 and reducing the operating loss.

[0041] Please refer to Figures 6 to 9 In some other preferred embodiments of the utility model, the copper busbar connector 200 includes a detachably connected base 10, a current-carrying bracket 20, a current-carrying copper busbar 50 and a protective cover 40. The current-carrying copper busbar 50 is roughly L-shaped, the upper end of the current-carrying copper busbar 50 is in contact with the top surface of the current-carrying bracket 20, and a bolt through hole 51 is provided at the upper end of the current-carrying copper busbar 50, and the bolt through hole 51 is coaxially arranged with the internal threaded hole of the double-pass nut 22; the lower end of the current-carrying copper busbar 50 has a transition portion 52 and a connecting portion 53, the transition portion 52 is parallel to the upper end of the current-carrying copper busbar 50, the connecting portion 53 is perpendicular to the transition portion 52 and extends downward, and a locking nut 54 is provided on the connecting portion 53. Among them, the upper end of the current-carrying copper busbar 50 can be locked and connected to the current-carrying bracket 20 by bolts, and the locking nut 54 can be connected to the connecting portion 53 by riveting, so as to facilitate the connection of the lower end of the current-carrying copper busbar 50 with other equipment.

[0042] It should be noted that the present invention is not limited to this. In other embodiments, the current-carrying copper bar can also adopt other reasonable structures, and the current-carrying copper bar and the current-carrying bracket 20 can also adopt other reasonable locking methods. Furthermore, each corner of the current-carrying copper bar can adopt an arc corner to reduce stress concentration and enhance structural strength.

[0043] See also Figure 4 or Figure 5In some preferred embodiments of the utility model, a first limiting step 13 protruding inward is provided on the lower portion of the inner wall of the mounting groove 11, and a second limiting step 23 protruding outward is provided on the upper portion of the outer wall of the current-carrying bracket 20. The first limiting step 13 and the second limiting step 23 are offset against each other to limit the current-carrying bracket 20, thereby improving the product assembly accuracy and preventing the current-carrying bracket 20 and the current-carrying copper bus 30 from falling off from the bottom of the base 10.

[0044] Furthermore, a limit hook 14 protruding inward is provided on the upper inner wall of the mounting groove 11, and a limit block 24 protruding outward is provided on the outer wall of the second limit step 23. The limit block 24 abuts against the limit hook 14 to further prevent the current-carrying bracket 20 from moving upward, thereby achieving multiple limits, improving the product assembly accuracy, and enhancing the assembly stability of the current-carrying bracket 20 and the current-carrying copper bus 30.

[0045] Furthermore, in some embodiments, the base 10, the current-carrying bracket 20, and the protective cover 40 are all quadrilateral structures, the first limiting step 13 extends along the inner walls of the three sides of the installation groove 11 and avoids the current-carrying copper bar 30, and the upper part of the corresponding three inner walls of the installation groove 11 is provided with a limiting hook 14; the second limiting step 23 extends along the outer walls of the three sides of the current-carrying bracket 20 and avoids the current-carrying copper bar 30, and the outer walls of the three sides of the second limiting step 23 are provided with a limiting block 24. In this way, the base 10 and the current-carrying bracket 20 cooperate with each other to achieve multiple limiting, which can prevent the current-carrying bracket 20 and the current-carrying copper bar 30 from shifting or falling off, and enhance the assembly accuracy and stability of the copper bar connector 100.

[0046] Please refer to Figure 2 and Figure 3 In some preferred embodiments of the utility model, the protective cover 40 also has a closed side plate 23 and an observation side plate 44 relatively arranged between the two locking side plates 42, and an observation port 441 is left on the observation side plate 44 to facilitate observation and inspection of the internal components of the protective cover 40 during assembly or maintenance. An anti-finger touch baffle 442 is provided on the upper part of the observation port 441. The setting of the anti-finger touch baffle 442 makes the size of the observation port 441 smaller than the size of a human finger, thereby preventing the operator's finger from being mistakenly inserted into the copper bus connector 100 during the construction process, realizing the anti-finger touch function, and improving the safety of the product.

[0047] In some preferred embodiments of the present invention, locking hooks 12 are provided on all four sides of the base 10. In this way, the protective cover 40 can be mounted on the base 10 by rotating 90 degrees at any angle, as long as the locking hooks 12 on two opposite sides of the base 10 are engaged with the locking holes 422 on both sides of the protective cover 40, which improves the convenience of product assembly and makes the construction process more convenient and efficient.

[0048] To sum up, the utility model provides a safe copper busbar connector for an energy storage system. The current-carrying copper busbar adopts an integrated structure, which is easy to assemble, has strong current-carrying capacity, low contact resistance, and small temperature rise. Multiple locking and limiting structures are provided to ensure the stability of the product after assembly, reduce the risk of accidental opening and assembly failure, improve safety and reliability, can be applied to more application scenarios, and make construction more convenient and efficient.

[0049] The present invention has been described by the above-mentioned relevant embodiments, however, the above-mentioned embodiments are only examples for implementing the present invention. It must be pointed out that the disclosed embodiments do not limit the scope of the present invention. On the contrary, any changes and modifications made without departing from the spirit and scope of the present invention are within the scope of patent protection of the present invention.

Claims

1. A safety copper busbar connector for an energy storage system, characterized in that: Including a base, a current-carrying bracket, a current-carrying copper bus and a protective cover; A mounting groove is provided in the middle of the base, the current-carrying bracket is arranged in the mounting groove, and a copper bar channel is provided on one side of the current-carrying bracket; the current-carrying copper bar is an integrated structure, the upper end of the current-carrying copper bar is connected to the top of the current-carrying bracket, the middle part of the current-carrying copper bar is passed through the copper bar channel and is located between the base and the current-carrying bracket, and the lower end of the current-carrying copper bar extends to the bottom side of the current-carrying bracket; The protective cover has a top plate and two locking side plates relatively arranged below the top plate, each of the locking side plates is provided with a lock buckle, and the lock buckle is connected to the locking side plates only on two sides of the middle part, and a lock buckle hole is provided at the lower part of the lock buckle, and a lock buckle hook is correspondingly provided on the base; the protective cover is buckled on the base, and the lock buckle hook is engaged in the corresponding lock buckle hole.

2. The safety copper busbar connector for energy storage system according to claim 1, characterized in that: The current-carrying copper busbar is made of red copper, and has a thickness greater than 3 mm and a width greater than 20 mm.

3. The safety copper busbar connector for energy storage system according to claim 1, characterized in that: A double-pass nut is arranged inside the current-carrying bracket, and an internal threaded hole extending along the axial direction of the double-pass nut is arranged inside the double-pass nut.

4. The safety copper busbar connector for energy storage system according to claim 3, characterized in that: The current-carrying copper bar is a C-shaped structure, the upper end of the current-carrying copper bar is in contact with the top surface of the current-carrying bracket, and the lower end of the current-carrying copper bar is in contact with the bottom surface of the current-carrying bracket; the upper end of the current-carrying copper bar and the lower end of the current-carrying copper bar are both provided with bolt through holes, and the two bolt through holes are coaxially arranged with the internal threaded hole of the double-pass nut.

5. The safety copper busbar connector for energy storage system according to claim 3, characterized in that: The upper end of the current-carrying copper bar is fitted with the top surface of the current-carrying bracket, and a bolt through hole is provided at the upper end of the current-carrying copper bar, and the bolt through hole is coaxially arranged with the internal threaded hole of the double-pass nut; the lower end of the current-carrying copper bar has a transition portion and a connecting portion, the transition portion is parallel to the upper end of the current-carrying copper bar, the connecting portion is perpendicular to the transition portion and extends downward, and a locking nut is provided on the connecting portion.

6. The safety copper busbar connector for energy storage system according to claim 1, characterized in that: A first limiting step protruding inward is provided at the lower portion of the inner wall of the mounting groove, and a second limiting step protruding outward is provided at the upper portion of the outer wall of the current-carrying bracket, and the first limiting step abuts against the second limiting step.

7. The safety copper busbar connector for an energy storage system according to claim 6, characterized in that: An inwardly protruding limiting hook is provided on the upper portion of the inner wall of the installation groove, and an outwardly protruding limiting block is provided on the outer wall of the second limiting step, and the limiting block abuts against the limiting hook.

8. The safety copper busbar connector for an energy storage system according to claim 7, characterized in that: The base, the current-carrying bracket and the protective cover are all quadrilateral structures. The first limiting step extends along the inner walls of the three sides of the mounting groove and avoids the current-carrying copper busbar. The limiting hooks are arranged on the upper parts of the corresponding three inner walls of the mounting groove. The second limiting step extends along the outer walls of the three sides of the current-carrying bracket and avoids the current-carrying copper busbar. The outer walls of the three sides of the second limiting step are provided with limiting blocks.

9. The safety copper busbar connector for an energy storage system according to any one of claims 1 to 8, characterized in that: The protective cover also has a closed side plate and an observation side plate which are relatively arranged between the two locking side plates. An observation port is reserved on the observation side plate, and an anti-touch finger baffle is arranged on the upper part of the observation port.

10. The safety copper busbar connector for an energy storage system according to any one of claims 1 to 8, characterized in that: The four sides of the base are all provided with the locking hooks.

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