Closed bus duct protection device

By designing a heat dissipation mechanism consisting of an i-shaped fixing block, a rubber sealing ring, and a breathable and waterproof membrane at the connection of the enclosed busbar trunking, the technical problem of ineffective heat dissipation in enclosed spaces in existing technologies is solved, achieving a combination of effective heat dissipation and electrical safety in enclosed spaces.

CN223744335UActive Publication Date: 2025-12-30MEIWEI (TIANJIN) ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202520153393.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-23
Publication Date
2025-12-30
Estimated Expiration
2035-01-23

AI Technical Summary

Technical Problem

The existing enclosed busbar connections suffer from heat buildup due to the confined space, which hinders effective heat dissipation and affects the stability of power transmission.

Method used

A closed protection mechanism was designed, including an inverted U-shaped fixing block, a rubber sealing ring, and a heat dissipation vent. It achieves effective heat dissipation while sealing the space through a sliding groove and fastening bolts, and uses a PTFE waterproof and breathable membrane to prevent water molecules from entering, ensuring electrical safety.

Benefits of technology

This technology effectively dissipates heat while preventing water from entering the connection points and causing short circuits, thus ensuring the stability and safety of power transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of bus ducts, and particularly relates to a closed bus duct protection device which comprises a first bus duct body and a second bus duct body, one side of the first bus duct body is fixedly connected with a first conducting bar, and one side of the second bus duct body is fixedly connected with a second conducting bar. A connecting block is inserted into the outer surface of the first conducting bar in a sliding manner, the inner side wall of the connecting block is also inserted into the outer surface of the second conducting bar in a sliding manner, the outer surface of the first conducting bar is in sliding contact with the outer surface of the second conducting bar, and a closed protection mechanism is arranged on the outer side of the connecting block. According to the closed bus duct protection device, by arranging the closed protection mechanism, a closed space is formed at the joint of the first bus duct body and the second bus duct body, and heat dissipation at the joint is not affected while electrical short circuit caused by water entering the joint is prevented.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bus duct technical field especially relates to a closed bus duct protection device. BACKGROUND

[0002] In prior art, such as the closed bus duct protection device of the announcement number CN221669514U disclosed on Chinese patent website, through the moisture baffle, top cover plate and bottom cover plate, and coating waterproof layer at its connecting place, the hydrophobic and insulating properties of the waterproof layer effectively avoid the case that the external humid air seeps into the first bus duct body and the second bus duct body through the connecting place, effectively prevent the phenomenon of electrical short circuit caused by the moisture of the conductive row.

[0003] But in the actual use process, the moisture baffle, top cover plate and bottom cover plate form a closed space at the connecting place, which can prevent the connecting place from being damped to cause electrical short circuit, but the closed space also makes the connecting place unable to effectively discharge the heat generated by power transmission, so that the heat of the connecting place accumulates. UTILITY MODEL CONTENT

[0004] Based on the technical problem that the heat of the connecting place accumulates and the closed space cannot effectively dissipate heat, the utility model provides a closed bus duct protection device.

[0005] The utility model provides a closed bus duct protection device, including first bus duct body and second bus duct body, one side of first bus duct body is fixedly connected with first conductive row, one side of second bus duct body is fixedly connected with second conductive row, the outer surface of first conductive row is slidably inserted with connecting block, the inner side wall of connecting block is still slidably inserted with the outer surface of second conductive row, the outer surface of first conductive row and the outer surface of second conductive row are slidably contacted, the surface of connecting block is screwd with fixed bolt, one end of fixed bolt penetrates the surface of first conductive row and second conductive row, the outer side of connecting block is provided with closed protection mechanism.

[0006] Preferably, the closed protection mechanism includes rubber sealing ring one and rubber sealing ring two, the inner side wall of rubber sealing ring one is extruded with the outer surface of first bus duct body, the inner side wall of rubber sealing ring two is extruded with the outer surface of second bus duct body, the outer surface of rubber sealing ring one and rubber sealing ring two is extruded with the two ends of L-shaped fixed block, the upper part of the two ends of L-shaped fixed block is provided with sliding slot respectively, the sliding slot inner side wall is slidably inserted with sliding block, the upper part of two sliding blocks is fixedly installed with top plate, the upper surface of top plate is provided with screw hole one, the inner bottom surface of sliding slot is provided with screw hole two, the screw hole one and the screw hole two are correspondingly arranged, the inner side wall of screw hole one and the screw hole two is screwd with fastening bolt.

[0007] By the above technical scheme, the U-shaped fixed block is arranged, the upper portion of the U-shaped fixed block is provided with a sliding groove, the sliding groove is connected with the top plate through a sliding block, when the threaded hole one on the top plate slides to the upper portion of the threaded hole two in the sliding groove of the U-shaped fixed block, the top plate and the U-shaped fixed block are locked and fixed together through the fastening bolt, meanwhile, the inner side wall of the U-shaped fixed block and the lower surface of the top plate are in extrusion contact with the rubber sealing ring one and the rubber sealing ring two, so that the U-shaped fixed block, the top plate, the rubber sealing ring one and the rubber sealing ring two form a closed space at the connecting position of the first bus duct body and the second bus duct body, and water entering the connecting position to cause short circuit can be effectively prevented.

[0008] Preferably, the inner side wall of the U-shaped fixed block is in extrusion contact with the outer surface of the two ends of the fixing bolt respectively, and the outer surface of the two sides of the U-shaped fixed block is fixedly installed with a heat dissipation row.

[0009] By the above technical scheme, the fixing bolt is in contact with the first conductive row and the second conductive row, and the outer surface of the two sides of the fixing bolt is also in extrusion contact with the inner side wall of the U-shaped fixed block, so that the heat generated by the first conductive row and the second conductive row in power transmission is transmitted to the U-shaped fixed block through the fixing bolt, and the outer surface of the two sides of the U-shaped fixed block is fixedly installed with a heat dissipation row, so that the heat on the surface of the U-shaped fixed block can be discharged through the heat dissipation row.

[0010] Preferably, the outer surface of the first bus duct body and the second bus duct body is also fixedly installed with a grid cage, and the outer surface of the grid cage is fixedly connected with a waterproof and breathable layer.

[0011] By the above technical scheme, the grid cage is arranged to protect the heat dissipation rows on the two sides of the U-shaped fixed block, prevent the heat dissipation rows from being damaged by external impact, the waterproof and breathable layer is arranged to enable air to enter and exit the grid cage without obstruction, and water molecules are prevented from entering the grid cage, so that the heat dissipation rows can effectively discharge heat.

[0012] Preferably, the waterproof and breathable layer is a PTFE waterproof and breathable film.

[0013] By the above technical scheme, the PTFE waterproof and breathable film has high chemical resistance and temperature resistance, and has a microporous structure, the micropores can prevent water molecules in a liquid state from passing through, thereby realizing the waterproof function, and the micropores can also allow air molecules to pass through, thereby realizing the breathable function.

[0014] The beneficial effects in the utility model are as follows:

[0015] By setting the closed protection mechanism, the connecting place of the first bus duct body and the second bus duct body forms a closed space, prevents water from entering the connecting place to cause electrical short circuit, and does not affect the heat dissipation of the connecting place, so that the heat generated by the first conductive row and the second conductive row in power transmission is smoothly discharged, and the technical problems that the heat of the existing connecting place is accumulated and the closed space cannot effectively dissipate heat are solved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A schematic view of a closed bus duct protection device is provided for the utility model;

[0017] Figure 2 A grating cage structure perspective view of a closed bus duct protection device is provided for the utility model;

[0018] Figure 3 A heat dissipation row structure perspective view of a closed bus duct protection device is provided for the utility model;

[0019] Figure 4 An A place enlarged view of a closed bus duct protection device is provided for the utility model

[0020] Figure 5 A fastening bolt structure perspective view of a closed bus duct protection device is provided for the utility model

[0021] Figure 6 A connecting block structure perspective view of a closed bus duct protection device is provided for the utility model.

[0022] In the figure: 1, first bus duct body; 2, second bus duct body; 3, first conductive row; 4, second conductive row; 5, connecting block; 6, fixed bolt; 7, rubber sealing ring one; 8, rubber sealing ring two; 9, U-shaped fixed block; 10, sliding groove; 11, sliding block; 12, top plate; 13, threaded hole one; 14, threaded hole two; 15, fastening bolt; 16, heat dissipation row; 17, grating cage; 18, waterproof and breathable layer. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] REFERENCE Figures 1-6The utility model provides a kind of closed bus duct protection device, including first bus duct body 1 and second bus duct body 2, the side of first bus duct body 1 is fixedly connected with first electrically conductive row 3, the side of second bus duct body 2 is fixedly connected with second electrically conductive row 4, the outer surface of first electrically conductive row 3 is slidably inserted with connecting block 5, the inner side wall of connecting block 5 is also slidably inserted with the outer surface of second electrically conductive row 4, the outer surface of first electrically conductive row 3 and the outer surface of second electrically conductive row 4 are slidably contacted, the surface of connecting block 5 is threadedly connected with fixed bolt 6, one end of fixed bolt 6 penetrates the surface of first electrically conductive row 3 and second electrically conductive row 4, the outer side of connecting block 5 is provided with closed protection mechanism.

[0025] In order to prevent the connection of first electrically conductive row 3 and second electrically conductive row 4 from water, closed protection mechanism is provided, and the closed protection mechanism includes rubber sealing ring one 7 and rubber sealing ring two 8, the inner side wall of rubber sealing ring one 7 is in extrusion contact with the outer surface of first bus duct body 1, the inner side wall of rubber sealing ring two 8 is in extrusion contact with the outer surface of second bus duct body 2, the outer surface of rubber sealing ring one 7 and rubber sealing ring two 8 is in extrusion contact with the two ends of the upper part of the L-shaped fixed block 9, the two ends of the upper part of the L-shaped fixed block 9 are respectively provided with a sliding groove 10, the sliding groove 10 is slidably inserted with a sliding block 11, the upper part of the two sliding blocks 11 is fixedly installed with a top plate 12, the upper surface of the top plate 12 is provided with a threaded hole one 13, the inner bottom surface of the sliding groove 10 is provided with a threaded hole two 14, the threaded hole one 13 and the threaded hole two 14 are correspondingly arranged, and the inner side wall of the threaded hole one 13 and the threaded hole two 14 is threadedly connected with a fastening bolt 15.

[0026] By setting the L-shaped fixed block 9, the sliding groove 10 is provided on the upper part of the L-shaped fixed block 9, the sliding groove 10 is slidably inserted with the top plate 12 through the sliding block 11, when the threaded hole one 13 on the top plate 12 slides to the upper part of the threaded hole two 14 in the sliding groove 10 on the L-shaped fixed block 9 through the sliding block 11, the top plate 12 and the L-shaped fixed block 9 are locked and fixed together through the fastening bolt 15, and the inner side wall of the L-shaped fixed block 9 and the lower surface of the top plate 12 are in extrusion contact with the rubber sealing ring one 7 and the rubber sealing ring two 8, so that the L-shaped fixed block 9, the top plate 12, the rubber sealing ring one 7 and the rubber sealing ring two 8 form a closed space at the connection of the first bus duct body 1 and the second bus duct body 2, which can effectively prevent the connection from being short-circuited due to water.

[0027] In order to make the connection in the closed space can also effectively dissipate heat, the inner side wall of the type fixed block 9 and the outer surface of the two ends of the fixed bolt 6 are in extrusion contact, and the outer surface of the two sides of the type fixed block 9 is fixedly installed with the heat dissipation row 16; the fixed bolt 6 is in contact with the first conductive row 3 and the second conductive row 4, and the outer surface of the two sides of the fixed bolt 6 is also in extrusion contact with the inner side wall of the type fixed block 9, so that the heat generated by the first conductive row 3 and the second conductive row 4 in power transmission is transmitted to the type fixed block 9 through the fixed bolt 6, and the outer surface of the two sides of the type fixed block 9 is fixedly installed with the heat dissipation row 16, so that the heat on the surface of the type fixed block 9 can be discharged through the heat dissipation row 16.

[0028] In order to protect the heat dissipation row 16, the outer surface of the first bus duct body 1 and the second bus duct body 2 is also fixedly installed with the grid cage 17, and the outer surface of the grid cage 17 is fixedly connected with the waterproof and breathable layer 18; by setting the grid cage 17, the heat dissipation row 16 on both sides of the type fixed block 9 is protected, so as to prevent the heat dissipation row 16 from being damaged by external impact, the waterproof and breathable layer 18 is set, so that air can enter and exit the grid cage 17 without obstruction, and water molecules can be prevented from entering the grid cage 17, so that the heat dissipation row 16 can effectively discharge heat.

[0029] The waterproof and breathable layer 18 is a PTFE waterproof and breathable film; the PTFE waterproof and breathable film has high chemical resistance and temperature resistance, and has a microporous structure, which can prevent water molecules in liquid state from passing through, thereby realizing the waterproof function, and the microporous structure can also allow air molecules to pass through, thereby realizing the breathable function

[0030] Working principle: first, the first electrically conductive row 3 and the second electrically conductive row 4 are inserted into the connecting block 5, the first electrically conductive row 3 and the second electrically conductive row 4 are fixedly connected by the fixing bolt 6, the power transmission is stable, the top plate 12 is slid into the sliding groove 10 in the upper part of the U-shaped fixing block 9 through the sliding block 11, the threaded hole one 13 is aligned with the threaded hole two 14, the top plate 12 and the U-shaped fixing block 9 are locked and fixed by the fastening bolt 15, at the same time, the lower surface of the top plate 12 is in extrusion contact with the rubber sealing ring one 7 and the rubber sealing ring two 8, the top plate 12, the U-shaped fixing block 9, the rubber sealing ring one 7 and the rubber sealing ring two 8 form a sealed space, preventing the connection of the first electrically conductive row 3 and the second electrically conductive row 4 from being short-circuited due to water, the fixing bolt 6 is in contact with the first electrically conductive row 3 and the second electrically conductive row 4, at the same time, the outer surface of the fixing bolt 6 is in extrusion contact with the inner side wall of the U-shaped fixing block 9, so that the heat generated by the first electrically conductive row 3 and the second electrically conductive row 4 during power transmission is transmitted to the U-shaped fixing block 9 through the fixing bolt 6, the outer surface of the U-shaped fixing block 9 is provided with the heat dissipation row 16, the heat on the surface of the U-shaped fixing block 9 can be discharged through the heat dissipation row 16, the external grid cage 17 and the heat dissipation row 16 on both sides of the U-shaped fixing block 9 are protected, preventing the heat dissipation row 16 from being damaged by external impact, the waterproof and breathable layer 18 is arranged, so that air can enter and exit the grid cage 17 without obstruction, at the same time, water molecules can be prevented from entering the grid cage 17, so that the heat dissipation row 16 effectively discharges heat.

[0031] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A closed bus duct protection device comprising a first bus duct body (1) and a second bus duct body (2), characterized in that: One side of the first bus duct body (1) is fixedly connected with a first conductive row (3), one side of the second bus duct body (2) is fixedly connected with a second conductive row (4), the outer surface of the first conductive row (3) is slidably connected with a connecting block (5), the inner side wall of the connecting block (5) is also slidably connected with the outer surface of the second conductive row (4), the outer surface of the first conductive row (3) and the outer surface of the second conductive row (4) are in sliding contact, the surface of the connecting block (5) is threadedly connected with a fixing bolt (6), one end of the fixing bolt (6) penetrates the surface of the first conductive row (3) and the second conductive row (4), and the outer side of the connecting block (5) is provided with a closed protection mechanism.

2. A closed busway protection device according to claim 1, characterized in that: The closed protection mechanism comprises a rubber sealing ring one (7) and a rubber sealing ring two (8), the inner side wall of the rubber sealing ring one (7) is in extrusion contact with the outer surface of the first bus duct body (1), the inner side wall of the rubber sealing ring two (8) is in extrusion contact with the outer surface of the second bus duct body (2), and the outer surfaces of the rubber sealing ring one (7) and the rubber sealing ring two (8) are in extrusion contact with a type fixed block (9).

3. A closed busway protection device according to claim 2, characterized in that: The two ends of the type fixed block (9) are respectively provided with a sliding groove (10), the inner side wall of the sliding groove (10) is slidably connected with a sliding block (11), the upper part of the two sliding blocks (11) is fixedly installed with a top plate (12), the upper surface of the top plate (12) is provided with a threaded hole one (13), the inner bottom surface of the sliding groove (10) is provided with a threaded hole two (14), the threaded hole one (13) and the threaded hole two (14) are correspondingly arranged, and the inner side walls of the threaded hole one (13) and the threaded hole two (14) are threadedly connected with a fastening bolt (15).

4. The enclosed busway guard of claim 3, wherein: The inner side wall of the type fixed block (9) is in extrusion contact with the outer surfaces of the two ends of the fixing bolt (6), and the outer surfaces of the two sides of the type fixed block (9) are fixedly installed with a heat dissipation row (16).

5. The enclosed busway guard of claim 1, wherein: The outer surfaces of the first bus duct body (1) and the second bus duct body (2) are fixedly installed with a grid cage (17), and the outer surface of the grid cage (17) is fixedly connected with a waterproof and breathable layer (18).

6. A closed busway protection device according to claim 5, characterized in that: The waterproof and breathable layer (18) is a PTFE waterproof and breathable film.

Citation Information

Patent Citations

  • Closed bus duct protection device

    CN221669514U