Bus duct facilitating heat dissipation

Abstract

The utility model discloses a bus duct convenient to radiate heat, its technical scheme main points are including two unit bus ducts and an interface main part, both ends of two unit bus ducts are provided with electrically conductive part and connecting piece, the interface main part includes the carrier and the cover that covers on the carrier top, is provided with the injection port on the cover, is provided with a plurality of with electrically conductive part intercalation setting insulating air bag in the carrier, the face of cover towards carrier inner chamber is provided with the air chamber that communicates with injection port, a plurality of side -by -side setting and with air chamber inner chamber intercommunication's gas duct is screwd on air chamber bottom surface, a plurality of gas ducts respectively penetrate a plurality of insulating air bags, a plurality of the peripheral wall of gas ducts all are provided with a plurality of the side hole of gas duct inner chamber and insulating air bag inner chamber intercommunication, and the carrier is provided with the heat dissipation hole that a plurality of gas ducts one -one penetrates, and the end of a plurality of gas ducts is closed type and shows out heat dissipation hole, solved the problem that the prior art exists and has the potential safety hazard of poor heat dissipation.

Description

Technical Field

[0001] This utility model relates to the field of busbar technology, and more specifically to a busbar that facilitates heat dissipation. Background Technology

[0002] With the emergence of modern engineering facilities and equipment, electricity consumption in all industries has increased rapidly. In particular, with the emergence of numerous high-rise buildings and large factory workshops, traditional cables, as power transmission conductors, can no longer meet the requirements of high-current transmission systems. The parallel use of multiple cables has brought many inconveniences to on-site installation and construction. Busbar trunking, as a new type of power distribution conductor, has emerged. Compared with traditional cables, it fully demonstrates its superiority in high-current transmission. When two existing unit busbar trunking systems are connected to each other, complex winding or insulation materials are used at the connection point to isolate the conductive plate, thereby reducing installation efficiency.

[0003] Currently, Chinese patent CN218335233U discloses a busbar trunking with insulated wire connectors. It includes a unit busbar trunking and a connecting body. Conductive components are provided at the ends of the unit busbar trunking. The connecting body contains multiple folded insulating airbags and connecting tubes connected to each of the folded insulating airbags. The multiple folded insulating airbags and multiple conductive components are alternately arranged. An injection port connected to one end of the connecting tube is opened on the cover plate of the connecting body. Gas is injected through the injection port, causing all the folded insulating airbags to expand. Two adjacent folded insulating airbags jointly clamp the conductive components. This design improves assembly efficiency and ensures the stability of the electrical connection between the two conductive components to some extent, but it still has drawbacks. The folded insulating airbags fill the internal space of the connecting body, resulting in poor air circulation. Even if the folded insulating airbags can conduct away some heat, because they are in a closed state, the internal gas cannot dissipate the heat to the outside in time, causing the heat generated by the conductive components to be unable to dissipate effectively and easily damaged. Furthermore, prolonged contact between the folded insulating airbags and high-temperature conductive components can lead to combustion, posing a safety hazard. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a bus trunking that can effectively dissipate heat and is safe and reliable.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a busbar trunking system for easy heat dissipation, comprising two unit busbar trunkings and a connecting body for connecting the two unit busbar trunkings. Each end of the two unit busbar trunkings is provided with a conductive element and a connecting piece connected to the connecting body. The connecting body includes a carrier and a cover plate covering the carrier. The cover plate is provided with an injection port. Multiple insulating airbags alternately arranged with the conductive elements are disposed within the carrier. A connecting piece connected to the injection port is provided on the surface of the cover plate facing the inner cavity of the carrier. The air chamber has multiple parallel air guide tubes connected to the bottom surface of the air chamber and communicating with the inner cavity of the air chamber. The multiple air guide tubes pass through multiple insulating air bags. The peripheral walls of the multiple air guide tubes are provided with multiple side holes that connect the inner cavity of the air guide tubes to the inner cavity of the insulating air bags. The carrier is provided with heat dissipation holes through which one end of the multiple air guide tubes passes. The ends of the multiple air guide tubes that pass through the heat dissipation holes are closed. The heat generated by the conductive component is directed to the outside through the insulating air bags, the gas inside the insulating air bags, and the air guide tubes, so that the temperature of the conductive component decreases.

[0006] As a further improvement of this utility model, the ends of the multiple air ducts that protrude through the heat dissipation holes are all hemispherical.

[0007] As a further improvement of this utility model, the bottom surface of the carrier is provided with a recessed groove, and the length of the ends of the plurality of air guide pipes that pass through the heat dissipation holes is less than or equal to the depth of the recessed groove.

[0008] The beneficial effects of this utility model are as follows: The heat generated by the conductive components is directed to the outside through the insulating airbag, the gas inside the airbag, and the air guide tube, causing the temperature of the conductive components to drop. Compared with existing technologies, this design allows for rapid heat conduction to the outside via the air guide tube, effectively reducing the internal temperature of the connecting body, ensuring the heat conduction efficiency and structural stability of the heat-conducting sheet, and providing a long service life and high safety for the insulating airbag. The design of the air guide tube being inserted into the heat dissipation hole, compared with existing technologies, assists in the installation position of the insulating airbag, effectively improving the clamping force provided by the insulating airbag to the conductive components on both sides, further enhancing the electrical connection stability of the conductive components. The design of the air guide tube being threaded into the air chamber, compared with existing technologies, allows for individual replacement of damaged insulating airbags, reducing resource waste. The design of the air guide tube having multiple side holes, compared with existing technologies that only use one end connected to the insulating airbag, increases the overall expansion speed of the insulating airbag and ensures uniform stress during expansion, indirectly improving the structural stability of the insulating airbag. Attached Figure Description

[0009] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a diagram showing the state of the connecting body and the unit busbar trunking when the present invention is disassembled; Figure 3 This is a perspective view of the connecting body in this utility model; Figure 4 This is an exploded view of the connecting body in this utility model.

[0010] Reference numerals: 1. Unit busbar trunking; 11. Conductive component; 12. Connecting piece; 2. Connecting body; 21. Bearing body; 22. Cover plate; 23. Injection port; 24. Insulating airbag; 25. Air chamber; 26. Air duct; 27. Side hole; 28. Heat dissipation hole; 29. ​​Recessed groove. Detailed Implementation

[0011] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Identical components are indicated by the same reference numerals.

[0012] Reference Figures 1 to 4 As shown, a busbar trunking system for easy heat dissipation in this embodiment includes two unit busbar trunkings 1 and a connecting body 2 for connecting the two unit busbar trunkings 1. Each end of the two unit busbar trunkings 1 is provided with a conductive element 11 and a connecting piece 12 connected to the connecting body 2. The connecting body 2 includes a carrier body 21 and a cover plate 22 covering the carrier body 21. An injection port 23 is provided on the cover plate 22. Multiple insulating airbags 24 are provided inside the carrier body 21, which are alternately arranged with the conductive element 11. Based on the aforementioned prior art, the air chamber 25 is made by cutting a groove in a plate. Multiple threaded holes arranged side-by-side are machined on the bottom surface of the air chamber 25. The open end of the air chamber 25 is welded to the cover plate 22. The inner cavity of the air chamber 25 is connected to the injection port 23. Multiple air guide tubes 26 are straight and hollow inside. External threads are machined on the outer wall of one end of each air guide tube 26, and the other end is sealed. Multiple side holes 27 are machined on the peripheral wall of each air guide tube 26. The insulating airbag 24 is machined with holes for air delivery. The perforation through the tube 26 allows the air guide tube 26 to pass through the insulating air bag 24, with both ends of the air guide tube 26 located outside the insulating air bag 24. The side holes 27 on the air guide tube 26 are all located inside the insulating air bag 24 and communicate with the inner cavity of the insulating air bag 24. The two perforated ends of the insulating air bag 24 are tightened and fixedly connected to the outer wall of the air guide tube 26 to form a seal. Multiple heat dissipation holes 28 are machined on the bottom surface of the carrier 21 for the ends of the air guide tube 26 to pass through. The air guide tube 26 is made of a material with high thermal conductivity. During assembly, the end of the air duct 26 with the external threaded hole is screwed into the threaded hole of the air chamber 25, with the insulating airbag 24 in an uninflated state. The two unit busbars are brought into contact with each other, and then bolts are used to pass through the carrier 21 and threadedly connect with the connecting piece. Next, the cover plate 22 containing the insulating airbag 24 is moved from top to bottom to the opening of the carrier 21. Multiple conductive components 11 are respectively inserted into the gaps between the multiple insulating airbags 24. The closed ends of the multiple air ducts 26 pass through the multiple heat dissipation holes 28 and protrude outside the carrier 21. Bolts are used to pass through the cover plate 22 and threadedly connect with the connecting piece, so that the cover plate 22 is positioned on the carrier 21. Finally, the gas is injected into the gas chamber 25 through the injection port 23. The gas flows through the gas chamber 25, the gas guide tube 26 and the side hole 27 and finally enters the insulating air bag 24. The insulating air bag 24 is filled and expands. The two adjacent insulating air bags 24 together clamp the two conductive parts 11 that are in contact with each other. During the heat dissipation process, the heat generated by the conductive sheet 11 is successively conducted to the insulating air bag 24, the gas inside the insulating air bag 24 and the gas guide tube 26. The end of the gas guide tube 26 exposed outside the carrier 21 dissipates the heat to the outside quickly, and the part of the gas guide tube 26 located inside the insulating air bag 24 guides the heat to the end. This cycle can quickly reduce the temperature inside the carrier 21. Compared to existing technologies, this design allows for rapid heat transfer to the outside via the air duct 26, effectively reducing the internal temperature of the connecting body 2, ensuring the heat conduction efficiency and structural stability of the heat-conducting sheet 11, and extending the service life and safety of the insulating airbag 24. The design of the air duct 26 being inserted into the heat dissipation hole 28, compared to existing technologies, assists in the installation position of the insulating airbag 24, effectively improving the clamping force provided by the insulating airbag 24 to the conductive components 11 on both sides, further enhancing the electrical connection stability of the conductive components 11. The threaded connection between the air duct 26 and the air chamber 25, compared to existing technologies, allows for individual replacement of damaged insulating airbags 24, reducing resource waste. The design of the air duct 26 having multiple side holes 27, compared to existing technologies that only use one end to connect to the insulating airbag 24, increases the overall expansion speed of the insulating airbag 24 and ensures uniform force distribution during expansion, indirectly improving the structural stability of the insulating airbag 24.

[0013] As one specific implementation method of the improvement, refer to Figure 3 As shown, the ends of the multiple air ducts 26 that protrude from the heat dissipation holes 28 are all hemispherical. This design can improve the smoothness of the air ducts 26 entering the heat dissipation holes 28 and effectively improve the closing efficiency of the cover plate 22 and the carrier 21.

[0014] As one specific implementation method of the improvement, refer to Figure 3As shown, the bottom surface of the support body 21 is provided with a recessed groove 29. The length of the ends of the multiple air ducts 26 that pass through the heat dissipation holes 28 is less than or equal to the depth of the recessed groove 29. This design can reduce the possibility of the ends of the air ducts 26 being hit by external forces and ensure the stability of the air duct structure 26.

[0015] The above description is merely a preferred embodiment of this utility model. The protection scope of this utility model is not limited to the above embodiments. All technical solutions falling within the scope of this utility model's concept are protected. It should be noted that for those skilled in the art, any improvements and modifications made without departing from the principle of this utility model should also be considered within the protection scope of this utility model.

Claims

1. A busbar trunking system for easy heat dissipation, comprising two unit busbar trunkings (1) and a connecting body (2) for connecting the two unit busbar trunkings (1), wherein each end of the two unit busbar trunkings (1) is provided with a conductive element (11) and a connecting piece (12) connected to the connecting body (2), wherein the connecting body (2) includes a carrier (21) and a cover plate (22) covering the carrier (21), wherein the cover plate (22) is provided with an injection port (23), and wherein the carrier (21) contains a plurality of insulating airbags (24) alternately arranged with the conductive element (11), characterized in that: The cover plate (22) facing the inner cavity of the carrier (21) is provided with an air chamber (25) that communicates with the injection port (23). Multiple air guide tubes (26) arranged side by side and communicating with the inner cavity of the air chamber (25) are threaded on the bottom surface of the air chamber (25). The multiple air guide tubes (26) pass through multiple insulating air bags (24) respectively. Multiple side holes (27) that connect the inner cavity of the air guide tube (26) to the inner cavity of the insulating air bag (24) are provided on the peripheral wall of the multiple air guide tubes (26). The carrier (21) is provided with heat dissipation holes (28) through which one end of the multiple air guide tubes (26) passes. The ends of the multiple air guide tubes (26) that pass through the heat dissipation holes (28) are closed. The heat generated by the conductive component (11) is directed to the outside through the insulating air bag (24), the gas in the insulating air bag (24) and the air guide tubes (26), so that the temperature of the conductive component (11) drops.

2. The busbar trunking for easy heat dissipation according to claim 1, characterized in that: The ends of the multiple air ducts (26) that protrude from the heat dissipation holes (28) are all hemispherical.

3. A busbar trunking system for easy heat dissipation according to claim 1 or 2, characterized in that: The bottom surface of the carrier (21) is provided with a recessed groove (29), and the length of the ends of the multiple air guide pipes (26) that pass through the heat dissipation holes (28) is less than or equal to the depth of the recessed groove (29).

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