Bus duct with error-proof joint
By introducing an anti-misalignment lap structure into the busbar trunking and utilizing phase sequence markings on the connecting blocks and plastic parts for limiting the phase sequence, the problem of incorrect phase sequence during busbar trunking installation was solved, achieving a busbar trunking design that is simple in structure, convenient in production, and has a firm connection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- JONATHAN XIAMEN ELECTRIC
- Filing Date
- 2025-04-08
- Publication Date
- 2026-06-30
Smart Images

Figure CN224438473U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of busbar trunking, and in particular to a busbar trunking system designed to prevent incorrect splicing. Background Technology
[0002] Busbar trunking is a new type of conductor formed by using copper or aluminum as the conductor, supporting it with non-aluminum insulation, and then installing it in a metal trough. Busbar trunking systems are widely used in data centers, commercial buildings, new energy sources, stadiums, rail transit, and other projects, and are an ideal solution to replace traditional cables and ensure safe and efficient power transmission. However, current busbar trunking systems have some problems, such as the lack of error-proofing mechanisms, which makes it easy to make mistakes in the phase sequence during installation; and their relatively complex structure, which results in more assembly and production processes and higher production costs. Utility Model Content
[0003] The purpose of this utility model is to provide a busbar trunking that is anti-misalignment and has a simple structure. This anti-misalignment busbar trunking includes: an upper base, a lower base, a left sealing plate and a right sealing plate. The upper base and the lower base are arranged in parallel and spaced apart. The left sealing plate and the right sealing plate extend in a direction perpendicular to the upper base and the lower base and are arranged at intervals and connected between the upper base and the lower base.
[0004] The upper base and the lower base each include a bottom plate, a left side plate and a right side plate. The left side plate and the right side plate are symmetrically connected to both sides of the bottom plate. The bottom plate, the left side plate and the right side plate surround and form an accommodating space. A connecting block is accommodated at each of the two ends of the accommodating space. The end face of the connecting block is flush with the end face of the upper base and the lower base.
[0005] The end face of the connecting block is connected to a first guard plate and a second guard plate extending in a direction perpendicular to the upper base and the lower base. The first guard plate and the second guard plate each include an opening, and the openings of the first guard plate and the second guard plate are arranged opposite to each other to form a through groove.
[0006] The connecting block has a phase sequence mark at one end extending along the width direction of the upper or lower base.
[0007] Furthermore, the inner sides of the left and right side plates each include a recessed portion, and the connecting block is provided with a protrusion adapted to be embedded in the recessed portion.
[0008] Furthermore, a groove is provided on the outer surface of the base plate near the connection between the left and right side plates, and the groove extends along the length of the base plate.
[0009] Furthermore, the connecting block is provided with a through hole in a direction perpendicular to the base plate, and the base plate is provided with a first through hole at the position of the through hole. The connecting block can be connected to the base plate by fasteners passing through the through hole and the first through hole.
[0010] Furthermore, the connecting block is a plastic part, and the phase sequence mark is integrally formed on the connecting block.
[0011] Furthermore, the phase sequence marker is "N".
[0012] Furthermore, the end face of the connecting block is provided with a connecting hole extending along the length direction of the base plate, and the first guard plate and the second guard plate are respectively provided with a second through hole. The first guard plate and the second guard plate can be connected to the connecting block by fasteners passing through the second through hole and the connecting hole.
[0013] Furthermore, the left sealing plate and the right sealing plate each include a vertical side plate, a first plate and a second plate, the first plate and the second plate being vertically connected to the vertical side plate, and the first plate and the second plate being connected to the upper base and the lower base respectively by fasteners.
[0014] Compared with the prior art, the busbar trunking of this utility model with anti-misalignment connection has the following advantages:
[0015] 1. This utility model's anti-misalignment busbar trunking structure is simple and easy to manufacture and assemble. An upper base, lower base, left sealing plate, and right sealing plate surround and form a mechanism to accommodate the busbar. The end face of the connecting block is flush with the end faces of the upper and lower bases, allowing the first and second guard plates to be directly connected to the connecting block. The first and second guard plates each include an opening, and their openings are positioned opposite each other to form a through groove through which the busbar passes. A phase sequence mark is provided at one end of the connecting block extending along the width of the upper or lower base. This mark prevents operators from incorrectly installing the phase sequence, ensuring correct installation. The connecting block is made of plastic, and the phase sequence mark is integrally molded onto the connecting block, making production convenient and simple.
[0016] 2. The inner sides of the left and right side plates of this utility model each include a recessed part, and the connecting block is provided with a protrusion adapted to be embedded in the recess, which further increases the limiting position and makes the connection between the connecting block and the upper and lower bases more secure. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the structure of a busbar trunking system for preventing misalignment according to this utility model;
[0018] Figure 2 This is a structural schematic diagram of the right sealing plate of a busbar trunking system for preventing misalignment according to this utility model. Detailed Implementation
[0019] The present invention will now be described in further detail with reference to the accompanying drawings.
[0020] See attached document Figures 1-2This utility model discloses a busbar trunking system for preventing misalignment and overlap, comprising: an upper base 1, a lower base 2, a left sealing plate, and a right sealing plate 3. The left sealing plate is not shown in the figure. The left and right sealing plates have the same structure and shape, and are arranged at intervals relative to each other. The upper base 1 and lower base 2 are arranged in parallel and at intervals. The left and right sealing plates 3 extend in a direction perpendicular to the upper base 1 and lower base 2 and are arranged at intervals between the upper base 1 and lower base 2. The upper base 1, lower base 2, left sealing plate, and right sealing plate 3 form a hollow, closed structure, the hollow portion of which can accommodate the busbar.
[0021] The upper base 1 and lower base 2 each include a base plate 11, a left side plate 12, and a right side plate 13. The left side plate 12 and right side plate 13 are symmetrically connected to both sides of the base plate 11. The base plate 11, left side plate 12, and right side plate 13 enclose a receiving space with an opening facing one side. A connecting block 4 is respectively accommodated at each of the two ends of the receiving space. The end face of the connecting block 4 is flush with the end faces of the upper base 1 and lower base 2. In this embodiment, a first protective plate 5 and a second protective plate 6 extending in a direction perpendicular to the upper base 1 and lower base 2 are connected to the end face of the connecting block 4. The first protective plate 5 and the second protective plate 6 each include an opening 51, and the openings 51 of the first protective plate 5 and the second protective plate 6 are arranged opposite each other to form a through groove. A phase sequence mark 41 is provided at one end of the connecting block 4 extending in the width direction of the upper or lower base. In this embodiment, the connecting block 4 is a plastic part, and the phase sequence mark 41 is integrally formed on the connecting block 4. In this embodiment, the phase sequence marker 41 is "N", indicating N phases. When connecting adjacent busbars, the N phases are aligned before connection to avoid incorrect phase sequence installation by operators and ensure correct phase sequence during installation.
[0022] In this embodiment, the inner sides of the left side plate 12 and the right side plate 13 each include a recessed portion 121, and the connecting block 4 is provided with a protrusion 42 adapted to be embedded in the recessed portion 121. This arrangement further limits the position of the connecting block 4 in the direction perpendicular to the base plate, making the connection between the connecting block 4 and the upper base 1 and the lower base 2 more secure.
[0023] In this embodiment, a groove 110 is provided on the outer surface of the base plate 11 near the connection between the left side plate 12 and the right side plate 13, and the groove 110 extends along the length direction of the base plate 11.
[0024] In this embodiment, the connecting block 4 is provided with a through hole 43 along the direction perpendicular to the base plate 11, and the base plate 11 is provided with a first through hole at the position corresponding to the through hole 43. The connecting block 4 can be connected to the base plate 11 by fasteners passing through the through hole 43 and the first through hole.
[0025] In this embodiment, the end face of the connecting block 4 is provided with a connecting hole extending along the length direction of the base plate, and the first guard plate 5 and the second guard plate 6 are respectively provided with a second through hole 52. The first guard plate 5 and the second guard plate 6 can be connected to the connecting block 4 by fasteners passing through the second through hole 52 and the connecting hole.
[0026] In this embodiment, the left sealing plate and the right sealing plate 3 respectively include a vertical side plate 31, a first plate 32 and a second plate 33. The first plate 32 and the second plate 33 are vertically connected to the vertical side plate 31. The first plate 32 and the second plate 33 include a third through hole 34. The first plate 32 and the second plate 33 can be connected to the upper base 1 and the lower base 2 respectively by fasteners passing through the third through hole 34 and the corresponding hole on the base plate.
[0027] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0028] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.
[0029] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0030] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0031] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. The illustrative expressions of the above terms in this specification should not be construed as necessarily referring to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. In addition, those skilled in the art can combine and integrate the different embodiments or examples described in this specification.
[0032] In summary, the above are merely preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the scope of protection of this utility model.
Claims
1. A busbar trunking system designed to prevent incorrect overlap, characterized in that, include: The upper base, lower base, left sealing plate and right sealing plate are provided. The upper base and lower base are arranged in parallel and spaced apart. The left sealing plate and right sealing plate extend in a direction perpendicular to the upper base and lower base and are arranged at intervals and connected between the upper base and lower base. The upper base and the lower base each include a bottom plate, a left side plate and a right side plate. The left side plate and the right side plate are symmetrically connected to both sides of the bottom plate. The bottom plate, the left side plate and the right side plate surround and form an accommodating space. A connecting block is accommodated at each of the two ends of the accommodating space. The end face of the connecting block is flush with the end face of the upper base and the lower base. The end face of the connecting block is connected to a first guard plate and a second guard plate extending in a direction perpendicular to the upper base and the lower base. The first guard plate and the second guard plate each include an opening, and the openings of the first guard plate and the second guard plate are arranged opposite to each other to form a through groove. The connecting block has a phase sequence mark at one end extending along the width direction of the upper or lower base.
2. The busbar trunking for preventing misalignment according to claim 1, characterized in that, The inner sides of the left and right side plates each include a recessed portion, and the connecting block is provided with a protrusion adapted to be embedded in the recessed portion.
3. The busbar trunking for preventing misalignment according to claim 1, characterized in that, The outer surface of the base plate has a groove near the connection between the left and right side plates, and the groove extends along the length of the base plate.
4. The busbar trunking for preventing misalignment according to claim 1, characterized in that, The connecting block has a through hole along the direction perpendicular to the base plate, and the base plate has a first through hole at the position corresponding to the through hole. The connecting block can be connected to the base plate by fasteners passing through the through hole and the first through hole.
5. A busbar trunking system for preventing misalignment according to claim 1, characterized in that, The connecting block is a plastic part, and the phase sequence mark is integrally formed on the connecting block.
6. A busbar trunking system for preventing misalignment according to claim 1, characterized in that, The phase sequence marker is "N".
7. A busbar trunking system for preventing misalignment according to claim 1, characterized in that, The end face of the connecting block is provided with a connecting hole extending along the length of the base plate. The first guard plate and the second guard plate are respectively provided with a second through hole. The first guard plate and the second guard plate can be connected to the connecting block by fasteners passing through the second through hole and the connecting hole.
8. A busbar trunking system for preventing misalignment according to claim 1, characterized in that, The left and right sealing plates each include a vertical side plate, a first plate, and a second plate. The first plate and the second plate are vertically connected to the vertical side plate. The first plate and the second plate can be connected to the upper base and the lower base respectively by fasteners.