Parallel operation cable protection structure

By designing a parallel cable protection structure, the problems of installation deviation and insufficient waterproofing capacity of the copper busbar connection structure of the energy storage converter during parallel operation were solved, thus achieving reliable operation and rapid installation of the equipment.

CN223899112UActive Publication Date: 2026-02-10SHENZHEN KSTAR NEW ENERGY CO LTD
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Patent Information

Application Number
CN202423260797.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-30
Publication Date
2026-02-10
Estimated Expiration
2034-12-30

AI Technical Summary

Technical Problem

The existing copper busbar connection structure of energy storage converters is prone to installation deviations during parallel operation and has weak rain and water resistance, resulting in a decrease in equipment reliability.

Method used

Design a parallel cable protection structure, including a main frame, a base frame and two side frames. Through the design of water guide channels and water collection channels, rainwater can be effectively discharged and dust can be prevented. Sealing strips are used for sealing to ensure reliable operation of the equipment.

Benefits of technology

It effectively prevents rainwater from entering the equipment, reduces dust intrusion, improves the installation accuracy and reliability of the equipment, and meets the needs of rapid assembly and disassembly.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a parallel operation cable protection structure which comprises a main frame, a bottom frame and two side frames, the bottom frame is connected to the bottom of the main frame, the two side frames are connected to the two sides of the main frame respectively, the side frame located on one side of the main frame is connected to a first device, and the side frame located on the other side of the main frame is connected to a second device. The side frame located on the other side of the main frame is connected to second equipment, the side edge of the side frame is inwards provided with a bent block, a water guide groove is formed between the bent block and the side frame, and the water guide groove is communicated with the bottom frame. Rainwater is guided out of the bottom frame to be discharged through the water guiding grooves, the influence of the rainwater on the converter is reduced, meanwhile, through the connecting structure of the main frame and the side frames, dust can be blocked, the protection effect is achieved, the whole structure is of a symmetrical and parallel structure, and installation is more convenient.
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Description

Technical Field

[0001] This utility model relates to the field of cable connection technology for energy storage converters, and in particular to a protection structure for parallel operation cables. Background Technology

[0002] Energy storage converters are typically installed outdoors, with parallel output copper busbars between them to protect them from external factors such as rain, wind, sand, and external forces, ensuring reliable operation. However, existing copper busbar structures suffer from manufacturing errors in the two energy storage converters themselves, leading to deviations in dimensions and hole positions. Furthermore, the insufficient spacing between the two converters during parallel operation necessitates consideration of the ease of installing protective covers on the copper busbars. Additionally, the existing copper busbar structure has weak rain and water resistance, making it susceptible to water ingress into the converters. Summary of the Invention

[0003] This utility model provides a parallel cable protection structure, which aims to solve the problem that the existing converter copper busbar connection structure is prone to installation deviation.

[0004] This utility model provides a parallel cable protection structure, including a main frame, a base frame, and two side frames. The base frame is connected to the bottom of the main frame, and the two side frames are respectively connected to the two sides of the main frame. The side frame located on one side of the main frame is connected to a first device, and the side frame located on the other side of the main frame is connected to a second device. The side of the side frame is provided with a bending block extending inward, and a water guide groove is formed between the bending block and the side frame. The water guide groove is connected to the base frame.

[0005] As a further improvement of this utility model, the main frame includes a motherboard, a first connecting plate and a second connecting plate. The motherboard has a first through hole in the middle for cables to pass through. The first connecting plate is connected to one side of the motherboard, and the second connecting plate is connected to the other side of the motherboard. Both the first connecting plate and the second connecting plate have a plurality of first mounting holes for connecting to the side frame. The bottom sides of the motherboard have second mounting holes for connecting to the base frame.

[0006] As a further improvement of this utility model, the inner side of the motherboard is provided with a fixing groove, which is connected to the side frame.

[0007] As a further improvement of this utility model, the height of the motherboard is higher than the height of the first connecting plate and the second connecting plate.

[0008] As a further improvement of this utility model, the side frame includes a side plate, a first mounting plate and a second mounting plate. The side plate has a second through hole in the middle for cables to pass through. The first mounting plate is arranged along one side periphery of the side plate, and the second mounting plate is arranged along the other side periphery of the side plate. The first mounting plate is connected to the cable outlet of the converter, and the second mounting plate is connected to the fixing groove.

[0009] As a further improvement of this utility model, the bending block is provided on the inner side of the first mounting plate, and the water guide groove is formed between the bending block and the side plate.

[0010] As a further improvement of this utility model, the first through hole and the second through hole are placed parallel to each other.

[0011] As a further improvement of this utility model, sealing strips are provided on the periphery of both the first mounting plate and the second mounting plate.

[0012] As a further improvement of this utility model, the base frame includes a base plate, a first insert plate, a second insert plate, a third connecting plate, a fourth connecting plate, a fifth connecting plate, and a sixth connecting plate. The first insert plate and the second insert plate are respectively connected to both sides of the base plate, and the third connecting plate and the fourth connecting plate are respectively connected to both ends of the base plate. One end of the fifth connecting plate is perpendicularly connected to the third connecting plate, and the fifth connecting plate is perpendicularly connected to the fourth connecting plate. The first insert plate and the second insert plate are each provided with a third mounting hole that mates with the second mounting hole. The third connecting plate and the fourth connecting plate abut against the side frame.

[0013] As a further improvement of this utility model, a water collection trough is formed in the middle of the base plate, the first insert plate, the second insert plate, the third connecting plate and the fourth connecting plate. The water collection trough is connected to the water guide trough, and a number of drainage holes are provided at the bottom of the base plate.

[0014] The beneficial effects of this utility model are: by setting up a water guide channel to drain rainwater to the bottom frame, the impact of rainwater on the converter is reduced. At the same time, the connection structure between the main frame and the side frame can also block dust and play a protective role. The overall structure is symmetrical and parallel, making installation more convenient. Attached Figure Description

[0015] Figure 1 This is an overall drawing of the present invention;

[0016] Figure 2 This is an exploded view of this utility model;

[0017] Figure 3 This is an overall drawing of the main frame of this utility model;

[0018] Figure 4This is an overall drawing of the side frame of this utility model;

[0019] Figure 5 This is a schematic diagram of the bottom of the base frame of this utility model;

[0020] Figure 6 This is an overall drawing of the base frame of this utility model;

[0021] Figure 7 This is a schematic diagram of the application of this utility model between converters;

[0022] Figure 8 This is an enlarged view of the application of this utility model between converters.

[0023] Reference numerals: 1-Main frame, 2-Side frame, 3-Base frame, 4-Water guide channel, 5-Bending block, 6-First device, 7-Second device, 10-Main board, 11-First connecting plate, 12-Second connecting plate, 13-Fixing groove, 14-First mounting hole, 15-Second mounting hole, 16-First through hole, 20-Side plate, 21-First mounting plate, 22-Second mounting plate, 23-Second through hole, 24-Sealing strip, 30-Base plate, 31-Drain hole, 32-First insert plate, 33-Second insert plate, 34-Third connecting plate, 35-Fourth connecting plate, 36-Fifth connecting plate, 37-Sixth connecting plate. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the following detailed description is provided in conjunction with the accompanying drawings and embodiments. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, while the terms "bottom surface," "top surface," "inner," and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0025] like Figure 1-8 As shown, this utility model provides a parallel cable protection structure, including a main frame 1, a base frame 3 and two side frames 2. The base frame 3 is connected to the bottom of the main frame 1, and the two side frames 2 are respectively connected to the two sides of the main frame 1. The side frame 2 located on one side of the main frame 1 is connected to a first device 6, and the side frame 2 located on the other side of the main frame 1 is connected to a second device 7. The side edge of the side frame 2 is provided with a bending block 5, and a water guide groove 4 is formed between the bending block 5 and the side frame 2. The water guide groove 4 is connected to the base frame 3.

[0026] This structure achieves waterproof and dustproof protection for exposed parallel copper busbars, while also meeting the need for quick disassembly and assembly of the protective cover structure for the parallel copper busbars. The main frame 1 and two side frames 2 enable parallel operation of the first device 6 and the second device 7, and also protect the exposed cables between the first device 6 and the second device 7. Optionally, the cable used in this embodiment is a copper busbar; in other embodiments, other types of cables may be used, and this is not limited. The first device 61 and the second device 62 are devices that need to be paralleled via cables, such as inverters, energy storage battery cabinets, etc. The first device 61 and the second device 62 can be the same device or different devices.

[0027] As an embodiment of the present utility model, the main frame 1 includes a main board 10, a first connecting plate 11 and a second connecting plate 12. The main board 10 has a first through hole 16 in the middle for cables to pass through. The first connecting plate 11 is connected to one side of the main board 10, and the second connecting plate 12 is connected to the other side of the main board 10. Both the first connecting plate 11 and the second connecting plate 12 have a plurality of first mounting holes 14 that are connected to the side frame 2. The bottom sides of the main board 10 have second mounting holes 15 that are connected to the base frame 3.

[0028] The first mounting hole 14 is used for fastening connection with the side frame 2, and the second mounting hole 15 is used for fastening connection with the base frame 3. It is understood that the first mounting hole 14 and the second mounting hole 15 can be oblong holes of different specifications; for example, the first mounting hole 14 is a φ9*17 oblong hole, and the second mounting hole 15 is a φ9*13 oblong hole. The main board 10, the first connecting plate 11, and the second connecting plate 12 are inverted U-shaped, providing the main protective structure for the copper busbar.

[0029] In another embodiment of this utility model, the inner side of the main board 10 is provided with a fixing groove 13, which is connected to the side frame 2. The fixing groove 13 provides a connection station for the side frame 2.

[0030] In another embodiment of this utility model, the height of the main board 10 is higher than the height of the first connecting plate 11 and the second connecting plate 12. This structure allows rainwater to easily flow into the water channel 4 of the side frame 2, preventing rainwater accumulation.

[0031] In another embodiment of this utility model, the side frame 2 includes a side plate 20, a first mounting plate 21, and a second mounting plate 22. The side plate 20 has a second through hole 23 in its center for cable passage. The first mounting plate 21 is arranged along one outer periphery of the side plate 20, and the second mounting plate 22 is arranged along the other outer periphery of the side plate 20. The first mounting plate 21 is connected to the cable outlet of the first device 6 or the second device 7, and the second mounting plate 22 is connected to the fixing groove 13. A bending block 5 is provided on the inner side of the first mounting plate 21, forming a water guide groove 4 between the bending block 5 and the side plate 20. The first mounting plate 21 is fastened to the cabinet side plate 20 of the first device 6 or the second device 7 by a rivet nut. A waterproof nut is provided on the side of the side plate 20 for connection with the first mounting hole 14 and for fastening to the base frame 3. During connection, the second connecting plate 12 extends into the main board 10 and is locked in place by the fixing groove 13, thus connecting the device to the main frame 1. After connection, a water guide groove 4 is formed between the bending component and the main frame 1. The side frame 2 can guide rainwater from the inner channel through the water guide channel 4 and let it flow into the bottom frame 3.

[0032] In another embodiment of this utility model, the first through hole 16 and the second through hole 23 are placed parallel to each other. Cables can pass through these two through holes to connect the first device 6 and the second device 7.

[0033] In another embodiment of this utility model, sealing strips 24 are provided around the periphery of the first mounting plate 21 and the periphery of the second mounting plate 22. The adhesive side of the sealing strip 24 is adhered to the bent part. The function of the sealing strip 24 is to prevent external water from seeping into the gap between the sheet metal surfaces. Optionally, the sealing strip 24 can be made of EPDM (ethylene propylene diene monomer rubber). In other embodiments, other types of sealing strips can also be used, and there is no limitation here.

[0034] In another embodiment of this utility model, the base frame 3 includes a base plate 30, a first insert plate 32, a second insert plate 33, a third connecting plate 34, a fourth connecting plate 35, a fifth connecting plate 36, and a sixth connecting plate 37. The first insert plate 32 and the second insert plate 33 are respectively connected to both sides of the base plate 30, the third connecting plate 34 and the fourth connecting plate 35 are respectively connected to both ends of the base plate 30, one end of the fifth connecting plate 36 is perpendicularly connected to the third connecting plate 34, and the fifth connecting plate 36 is perpendicularly connected to the fourth connecting plate 35. The first insert plate 32 and the second insert plate 33 are each provided with a third mounting hole that mates with the second mounting hole 15. The third connecting plate 34 and the fourth connecting plate 35 abut against the side frame 2. A water collection trough is formed in the middle of the base plate 30, the first insert plate 32, the second insert plate 33, the third connecting plate 34, and the fourth connecting plate 35. The water collection trough is connected to the water guide trough 4. A plurality of drainage holes 31 are provided at the bottom of the base plate 30.

[0035] The base frame 3 has a drainage hole 31 at the bottom of the base plate 30 for drainage, and two waterproof nuts are used to securely connect with the second mounting hole 15 of the main board 10. The space enclosed by the base plate 30, the first insert plate 32, the second insert plate 33, the third connecting plate 34, and the fourth connecting plate 35 forms a water collection tank. Water guided by the water guide trough 4 enters the water collection tank and is discharged through the drainage hole 31 at the bottom of the base plate 30.

[0036] During installation, first connect the first mounting plate 21 to the cable outlets of the first device 6 and the second device 7 with screws. The first device 6 and the second device 7 are installed simultaneously. The cable extends from the first device 6 and passes through the first through hole 16. The second mounting plate 22 is then clipped into the main frame 1 and locked in the fixing groove 13. The cable is then inserted into the second device 7 through the second through hole 23. The main frame 1 is then connected and locked to the other side frame 2. Finally, the base frame 3 is connected to the bottom of the main frame 1. At the same time, it is important to ensure that the water guide trough 4 is connected to the water collection trough. This completes the installation.

[0037] The above description, in conjunction with specific preferred embodiments, provides a further detailed explanation of the present invention. It should not be construed that the specific implementation of the present invention is limited to these descriptions. For those skilled in the art, various simple deductions or substitutions can be made without departing from the concept of the present invention, and all such modifications and substitutions should be considered within the protection scope of the present invention.

Claims

1. A parallel cable protection structure, characterized in that, It includes a main frame, a base frame, and two side frames. The base frame is connected to the bottom of the main frame, and the two side frames are respectively connected to the two sides of the main frame. The side frame located on one side of the main frame is connected to a first device, and the side frame located on the other side of the main frame is connected to a second device. The side of the side frame is provided with a bending block extending inward, and a water guide groove is formed between the bending block and the side frame. The water guide groove is connected to the base frame.

2. The parallel cable protection structure according to claim 1, characterized in that, The main frame includes a motherboard, a first connecting plate, and a second connecting plate. The motherboard has a first through hole in the middle for cables to pass through. The first connecting plate is connected to one side of the motherboard, and the second connecting plate is connected to the other side of the motherboard. Both the first and second connecting plates have a plurality of first mounting holes for connecting to the side frame. The bottom sides of the motherboard have second mounting holes for connecting to the base frame.

3. The parallel cable protection structure according to claim 2, characterized in that, The motherboard has a fixing groove on its inner side, and the fixing groove is connected to the side frame.

4. The parallel cable protection structure according to claim 2, characterized in that, The height of the motherboard is higher than the height of the first connecting plate and the second connecting plate.

5. The parallel cable protection structure according to claim 3, characterized in that, The side frame includes a side plate, a first mounting plate, and a second mounting plate. The side plate has a second through hole in the middle for cables to pass through. The first mounting plate is arranged along one side periphery of the side plate, and the second mounting plate is arranged along the other side periphery of the side plate. The first mounting plate is connected to the cable outlet of the converter, and the second mounting plate is connected to the fixing groove.

6. The parallel cable protection structure according to claim 5, characterized in that, The bending block is provided on the inner side of the first mounting plate, and the water guide groove is formed between the bending block and the side plate.

7. The parallel cable protection structure according to claim 5, characterized in that, The first through hole and the second through hole are placed parallel to each other.

8. The parallel cable protection structure according to claim 5, characterized in that, Sealing strips are provided on the periphery of both the first mounting plate and the second mounting plate.

9. The parallel cable protection structure according to claim 2, characterized in that, The base frame includes a base plate, a first insert plate, a second insert plate, a third connecting plate, a fourth connecting plate, a fifth connecting plate, and a sixth connecting plate. The first insert plate and the second insert plate are respectively connected to both sides of the base plate. The third connecting plate and the fourth connecting plate are respectively connected to both ends of the base plate. One end of the fifth connecting plate is perpendicularly connected to the third connecting plate, and the fifth connecting plate is perpendicularly connected to the fourth connecting plate. The first insert plate and the second insert plate are each provided with a third mounting hole that mates with the second mounting hole. The third connecting plate and the fourth connecting plate abut against the side frame.

10. The parallel cable protection structure according to claim 9, characterized in that, A water collection trough is formed in the middle of the base plate, the first insert plate, the second insert plate, the third connecting plate and the fourth connecting plate. The water collection trough is connected to the water guide trough. Several drainage holes are provided at the bottom of the base plate.