A high-current, high-heat-dissipation current distributor

Abstract

This utility model discloses a high-current, high-heat-dissipation current distributor, comprising several interconnected lower housings and several upper housings respectively mounted on top of the lower housings. Both the lower and upper housings have internal cavities, and their surfaces are arrayed with several heat dissipation holes. A copper busbar is located inside each cavity, with one end connected to a busbar. The copper busbar has several detachable pins, and several screws are riveted to it, each screw being threaded with a nut. This utility model effectively improves the heat dissipation of the copper busbar, allowing for a larger current flow. Furthermore, because the copper busbar and pins are separate structures, they can be processed individually, reducing manufacturing difficulty. If a pin is damaged, only the pin needs to be replaced, rather than the entire copper busbar, reducing maintenance costs and time.

Description

Technical Field

[0001] This utility model relates to the field of current distributor technology, specifically to a high-current, high-heat-dissipation current distributor. Background Technology

[0002] A current distributor is a power electronic device or component used to distribute a single input current evenly and efficiently to multiple output branches. It is crucial in high-power systems, new energy sources, and industrial equipment, especially when systems require multiple parallel power supplies, current sharing control, or redundancy backup.

[0003] Existing current distributors generate more heat and experience faster temperature rise when carrying a large current through their copper busbars. When current (I) flows through the resistive (R) copper busbars, heat is generated (power loss P_loss = I). 2 *R). The higher the current, the more exponentially the heat generated increases. However, existing current distributors have limited heat dissipation for the copper busbar, thus limiting the maximum current load of the current distributor. Furthermore, the copper busbar of existing current distributors is usually a one-piece structure, which requires the integral cutting of thick plates during production and processing, resulting in low material utilization. When a local part is damaged, the entire copper busbar often needs to be replaced, leading to high maintenance costs and long maintenance time.

[0004] Therefore, the applicant has made beneficial designs and found a way to solve the above problems. The technical solution to be introduced below is generated in this context. Utility Model Content

[0005] The present invention provides a high-current, high-heat-dissipation current distributor to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A high-current, high-heat-dissipation current distributor includes several interconnected lower housings and several upper housings respectively mounted on top of the lower housings. Both the lower housings and the upper housings have internal cavities. Both the lower housings and the upper housings have several heat dissipation holes arranged in an array on their surfaces. A copper busbar is provided inside the internal cavity. One end of the copper busbar is connected to a busbar. Several plug-in pins are detachably provided on the copper busbar. Several screws are riveted to the copper busbar, and each screw is screwed with a nut.

[0008] Preferably, the busbar includes a wiring portion and a connecting portion one, and the plug-in pin includes a pin portion and a connecting portion two.

[0009] Preferably, both the first connecting part and the second connecting part are sleeved on the screw and fixed by nuts.

[0010] Beneficial effects

[0011] The above-mentioned technical solutions of one or more of the high-current, high-heat-dissipation current distributor provided in this embodiment of the utility model have at least one of the following technical effects:

[0012] This invention, through the aforementioned technical solution, effectively improves the heat dissipation of the copper busbar by providing several heat dissipation holes in the lower and upper housings. This maintains the operating temperature of the copper busbar below the same safe limit (ΔT_max), allowing a larger current (I) to flow through it. This is because a larger current generates more heat (Imax). 2 While the enhanced heat dissipation capability can offset this extra heat, allowing the copper busbar to allow a larger current to flow, and because the copper busbar and the plug pin are separate structures, they can be processed separately, making the manufacturing process easier. The copper busbar and the plug pin can be processed on different production lines at the same time, which greatly shortens the overall delivery cycle. Furthermore, if the plug pin is damaged, only the plug pin needs to be replaced instead of the entire copper busbar, reducing maintenance costs and time. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the split structure of the upper and lower shells of this utility model;

[0014] Figure 2 This is a schematic diagram of the internal structure of the lower shell of this utility model;

[0015] Figure 3 This is a top-view three-dimensional structural diagram of the copper busbar of this utility model;

[0016] Figure 4 This is a three-dimensional structural diagram of the copper busbar of this utility model, viewed from below.

[0017] The correspondence between the labels and component names in the attached figures is as follows:

[0018] 1. Lower housing; 2. Upper housing; 3. Inner cavity; 4. Heat dissipation hole; 5. Copper busbar; 6. Busbar; 7. Plug-in pin; 8. Screw; 9. Nut; 10. Wiring part; 11. Connection part one; 12. Pin part; 13. Connection part two. Detailed Implementation

[0019] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0020] In the description of this utility model, it should be understood that the terms "upper", "lower", "left", "right", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0021] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] To avoid excessive and unnecessary details, well-known structures or functions will not be described in detail in the following embodiments.

[0023] like Figure 1-4 The diagram shown is a structural schematic of a high-current, high-heat-dissipation current distributor according to a preferred embodiment of the present invention.

[0024] In this embodiment, several interconnected lower housings and several upper housings respectively mounted on top of the lower housings are included. The lower housings 1 and upper housings 2 are fixed together by screws. Both the lower housings 1 and upper housings 2 have an internal cavity 3. Several heat dissipation holes 4 are arrayed on the surfaces of both the lower housings 1 and upper housings 2. A copper busbar 5 is located inside the internal cavity 3. The heat dissipation holes 4 are used to dissipate the heat generated by the copper busbar 5 from inside the internal cavity 3. One end of the copper busbar 5 is connected to a busbar 6. Several plug-in pins 7 are detachably provided on the copper busbar 5. Several screws 8 are riveted to the copper busbar 5, and each screw 8 is screwed with a nut 9. By providing several heat dissipation holes 4 in the lower housings 1 and upper housings 2, the heat dissipation effect of the copper busbar 5 can be effectively improved, and the operating temperature of the copper busbar 5 can be maintained below the same safety limit (ΔT_max). This allows a larger current (I) to flow through the copper busbar 5. Because a larger current generates more heat (I... 2However, the enhanced heat dissipation capacity can just offset this extra heat, allowing the copper busbar 5 to allow a larger current to flow. Since the copper busbar 5 and the plug pin 7 are separate structures, the copper busbar 5 and the plug pin 7 can be processed separately, which makes the production and processing more difficult. The copper busbar 5 and the plug pin 7 can be processed on different production lines at the same time, which greatly shortens the overall delivery cycle. Furthermore, if the plug pin 7 is damaged, only the plug pin 7 needs to be replaced instead of the entire copper busbar 5, reducing maintenance costs and time.

[0025] In this embodiment, the busbar 6 includes a wiring part 10 and a first connection part 11. The first connection part 11 is used to connect to the copper busbar 5. The plug-in pin 7 includes a pin part 12 and a second connection part 13. The pin part 12 is used to connect to external devices, and the second connection part 13 is used to connect to the copper busbar 5.

[0026] In this embodiment, both the first connecting part 11 and the second connecting part 13 are sleeved on the screw 8 and fixed by tightening the nut 9. This structure is used for the connection and fixation between the busbar 6, the copper busbar 5, and the plug-in pin 7.

[0027] The present invention relates to a high-current, high-heat-dissipation current distributor. Its installation, connection, or setting methods are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented.

[0028] All technologies not described in detail in this utility model are known technologies. Those skilled in the art can easily implement this utility model based on their understanding of this specification, and the contents shown in the accompanying drawings are part of this specification.

[0029] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A high-current, high-heat-dissipation current distributor, comprising a plurality of interconnected lower housings (1) and a plurality of upper housings (2) respectively mounted on the top of the plurality of lower housings (1), characterized in that: Both the lower housing (1) and the upper housing (2) are provided with an inner cavity (3). Both the lower housing (1) and the upper housing (2) are provided with a plurality of heat dissipation holes (4) arranged in an array on their surfaces. A copper busbar (5) is provided inside the inner cavity (3). One end of the copper busbar (5) is connected to a busbar (6). The copper busbar (5) is provided with a plurality of plug-in pins (7) in a detachable manner. The copper busbar (5) is provided with a plurality of screws (8) by press riveting. Each screw (8) is screwed with a nut (9).

2. The high-current, high-heat-dissipation current distributor according to claim 1, characterized in that: The busbar (6) includes a wiring part (10) and a first connection part (11), and the plug-in pin (7) includes a pin part (12) and a second connection part (13).

3. A high-current, high-heat-dissipation current distributor according to claim 2, characterized in that: Both the first connecting part (11) and the second connecting part (13) are sleeved on the screw (8) and fixed by the nut (9).

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