Single busbar structure and switch cabinet comprising same
By adopting a single busbar structure and optimized design in the ship switch cabinet, combined with support structural parts and high-strength materials, the size and power consumption problems caused by the double busbar structure are solved, and more efficient space utilization and power management are achieved.
Patent Information
- Application Number
- CN202420914618.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-29
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-04-29
AI Technical Summary
In existing marine switch cabinets, the dual busbar structure leads to an increase in the size of the switch cabinet, an increase in copper discharge usage and an increase in power consumption, making it difficult to meet the high load capacity requirements.
The single busbar structure is adopted, and the horizontal busbar and insulator combination is combined with support structural parts and high-strength bolts to optimize the busbar structure, reduce the space proportion, and vertical busbars are assembled in the frame structure to meet the distribution needs.
The application of a single busbar structure in the switch cabinet is realized, which reduces the space proportion, simplifies dimensional optimization, reduces the amount and power consumption of copper materials, and improves short-term tolerance and resistance to electrical stress.
Smart Images
Figure CN222320822U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the field of switch cabinets, and in particular relates to a single busbar structure and a switch cabinet comprising the same. Background Art
[0002] With the development of the shipping industry, in order to pursue higher carrying capacity and reduce transportation costs, higher requirements are put forward for ship power distribution. At present, in the ship market, the conventional solution for switchgear busbars with a rated current of more than 6300A uses double busbars (two sets of busbars per phase, running in parallel), which leads to an increase in the overall size of the switchgear, the use of copper bars and power consumption. Therefore, it is very important to improve the existing busbar structure and reduce its proportion in the switchgear.
[0003] Therefore, we introduce a single busbar structure and a switch cabinet containing the same to solve the above problems. Utility Model Content
[0004] In response to one or more of the above-mentioned defects or improvement needs in the prior art, the utility model provides a single busbar structure and a switch cabinet comprising the same. By optimizing the busbar structure, the switch cabinet can meet the basic power distribution requirements even if a single busbar structure is adopted, replacing the traditional double busbar structure, thereby reducing the space occupied by the busbar structure inside the switch cabinet, making it convenient for the left and right personnel to optimize the size of the switch cabinet later.
[0005] To achieve the above-mentioned purpose, the utility model provides a single busbar structure, which includes a busbar structure, and the busbar structure includes a horizontal busbar and an insulator; there are three horizontal busbars, and the three horizontal busbars are respectively an A-phase horizontal main busbar, a B-phase horizontal main busbar and a C-phase horizontal main busbar; the A-phase horizontal main busbar, the B-phase horizontal main busbar and the C-phase horizontal main busbar are stacked vertically; and the three horizontal busbars are connected by a plurality of insulators, and the plurality of insulators are sequentially arranged between two adjacent horizontal busbars along the length direction of the horizontal busbar; and support structural members are provided on the side of the A-phase horizontal main busbar and the C-phase horizontal main busbar that are away from each other.
[0006] As a further improvement of the present invention, the A-phase horizontal main busbar and the C-phase horizontal main busbar are connected to the supporting structure by a plurality of bolts.
[0007] As a further improvement of the present invention, the bolts are made of 8.8 grade high-strength carbon steel bolts.
[0008] As a further improvement of the utility model, the size of the supporting structure is adapted to the size of the horizontal bus; two L-shaped reinforcing ribs are arranged inside the supporting structure; and the supporting structure is made of Q235 steel, so that it has strong resistance to electrical stress.
[0009] On this basis, the utility model also provides a switch cabinet, which includes the above-mentioned single busbar structure; also includes a frame structure and a vertical bus; the single busbar structure is horizontally assembled in the frame structure, and the vertical busbar is vertically assembled in the frame structure, one end of the vertical busbar is connected to the single busbar structure, and the other end is connected to the load.
[0010] As a further improvement of the present invention, the vertical busbar is connected to the single busbar structure through the bolts, and washers and nuts are also provided on the periphery of the bolts.
[0011] As a further improvement of the present invention, the frame structure includes a plurality of transverse members arranged at intervals along the vertical direction and a plurality of vertical members arranged along the transverse direction, and the plurality of vertical members are respectively connected to the plurality of transverse members to form the frame structure.
[0012] As a further improvement of the present invention, a support frame is further provided on two adjacent vertical members, and the single busbar structure is connected to the support frame via a supporting structure member on its side.
[0013] As a further improvement of the present invention, the frame structure further includes a bottom plate, and the bottom plate is arranged in a space enclosed by the plurality of vertical members and the plurality of horizontal members.
[0014] As a further improvement of the present invention, the bolts, washers and nuts are all made of 8.8 grade high-quality carbon steel material.
[0015] The above-mentioned improved technical features can be combined with each other as long as they do not conflict with each other.
[0016] In general, compared with the prior art, the above technical solutions conceived by the utility model have the following beneficial effects:
[0017] The single busbar structure and the switch cabinet containing the same of the utility model optimize the busbar structure so that the switch cabinet can meet the basic power distribution needs even if a single busbar structure is adopted, replacing the traditional double busbar structure, thereby reducing the space occupied by the busbar structure inside the switch cabinet, making it convenient for the left and right personnel to optimize the size of the switch cabinet later, and having good practical value and application prospects. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1It is a schematic diagram of the overall three-dimensional structure of a single busbar structure in an embodiment of the utility model;
[0019] Figure 2 It is a schematic diagram of the overall structure of the switch cabinet in the embodiment of the utility model in a front view section;
[0020] Figure 3 It is a schematic diagram of the overall structure of the switch cabinet in a side cross-section according to an embodiment of the utility model;
[0021] Figure 4 It is an oscillogram of the switch cabinet in the embodiment of the utility model during the test;
[0022] In all the drawings, the same reference numerals represent the same technical features, specifically:
[0023] 100. busbar structure; 101. horizontal busbar; 102. insulator; 103. supporting structure;
[0024] 200, frame structure; 201, vertical member; 202, horizontal member; 203, bottom plate; 204, support frame; 205, bolt;
[0025] 300. Vertical bus. DETAILED DESCRIPTION
[0026] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0027] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.
[0028] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0029] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature. Example
[0031] See also Figure 1 The single busbar structure in the preferred embodiment of the utility model optimizes the busbar structure so that the switch cabinet can meet the basic power distribution requirements even if it adopts a single busbar structure, replacing the traditional double busbar structure, thereby reducing the space occupied by the busbar structure inside the switch cabinet.
[0032] Specifically, the single busbar structure in the preferred embodiment of the utility model includes a busbar structure 100, which includes a horizontal busbar 101 and an insulator 102; there are three horizontal busbars 101, and the three horizontal busbars 101 are respectively an A-phase horizontal main busbar, a B-phase horizontal main busbar and a C-phase horizontal main busbar; the A-phase horizontal main busbar, the B-phase horizontal main busbar and the C-phase horizontal main busbar are stacked vertically; and the three horizontal busbars 101 are connected by a plurality of insulators 102, and the plurality of insulators 102 are sequentially arranged between two adjacent horizontal busbars 101 along the length direction of the horizontal busbar 101; and support structure members 103 are arranged on the side of the A-phase horizontal main busbar and the C-phase horizontal main busbar that are away from each other.
[0033] In actual use, a single busbar structure is used to replace the double busbar solution, and the short-time withstand capacity reaches 150KA / 1 second, and the maximum short-circuit asymmetric peak is 330KA. (For specific drawings, please refer to Figure 4 ) can not only reduce the size of the distribution board, making it more convenient to design and install, but also enable it to have more application scenarios, save copper materials, and reduce power consumption.
[0034] More specifically, if Figure 1 As shown in FIG, the A-phase horizontal main busbar and the C-phase horizontal main busbar are connected to the supporting structure 103 by a plurality of bolts 205. Preferably, the bolts 205 are made of 8.8 grade high-strength carbon steel bolts 205.
[0035] At the same time, in order to further improve the inherent strength and tensile stress resistance of the single busbar structure, the size of the supporting structure 103 is preferably adapted to the size of the horizontal bus 101, and two L-shaped reinforcing ribs are arranged inside the supporting structure 103; and the supporting structure 103 is made of Q235 steel, so that it has strong resistance to electrical stress.
[0036] In a specific embodiment, in order to further improve the overall structural strength of the single busbar structure, H50 specification insulators 102 are preferably used; at this time, the overall rated tensile strength reaches 18KN, the bending resistance reaches 11KN, and the torsion resistance reaches 150Nm. The above technical process can be easily obtained by those skilled in the art, and its specific calculation process is not repeated here.
[0037] On this basis, see Figure 2 and Figure 3 The utility model also provides a switch cabinet, which includes the single busbar structure in the above preferred embodiment; it also includes a frame structure and a vertical busbar 300; the single busbar structure is assembled in the frame structure 200 along the horizontal direction, and the vertical busbar 300 is assembled in the frame structure 200 along the vertical direction, one end of the vertical busbar 300 is connected to the single busbar structure, and the other end is connected to the load.
[0038] More specifically, the vertical busbar 300 is connected to the single busbar structure via bolts 205, and washers and nuts are disposed on the periphery of the bolts 205. Preferably, the bolts 205, washers and nuts are all made of 8.8 grade carbon steel.
[0039] Furthermore, if Figure 2 and Figure 3 As shown in , a support frame 204 is further provided on two adjacent vertical members 201 , and the single busbar structure is connected to the support frame 204 via the supporting structure member 103 on its side.
[0040] During the actual assembly process, both ends of the supporting structure 103 are fastened to the frame structure 200 by a plurality of high-strength 8.8-grade carbon steel bolts 205 , washers and nuts at both ends.
[0041] In addition, the frame structure 200 in the preferred embodiment of the utility model includes a plurality of horizontal members 202 arranged at intervals in the vertical direction and a plurality of vertical members 201 arranged in the horizontal direction, and the plurality of vertical members 201 are respectively connected to the plurality of horizontal members 202 to form the frame structure 200. At the same time, the frame structure 200 also includes a bottom plate 203, and the bottom plate 203 is arranged in a space enclosed by the plurality of vertical members 201 and the plurality of horizontal members 202.
[0042] The single busbar structure and the switch cabinet containing the same of the utility model optimize the busbar structure so that the switch cabinet can meet the basic power distribution needs even if a single busbar structure is adopted, replacing the traditional double busbar structure, thereby reducing the space occupied by the busbar structure inside the switch cabinet, making it convenient for personnel to subsequently optimize the size of the switch cabinet, and having good practical value and application prospects.
[0043] It is easy for those skilled in the art to understand that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A single busbar structure, characterized in that: The invention comprises a busbar structure (100), wherein the busbar structure (100) comprises a horizontal busbar (101) and an insulator (102); there are three horizontal busbars (101), and the three horizontal busbars (101) are respectively an A-phase horizontal main busbar, a B-phase horizontal main busbar and a C-phase horizontal main busbar; the A-phase horizontal main busbar, the B-phase horizontal main busbar and the C-phase horizontal main busbar are stacked vertically; the three horizontal busbars (101) are connected by a plurality of insulators (102), and the plurality of insulators (102) are sequentially arranged between two adjacent horizontal busbars (101) along the length direction of the horizontal busbar (101); and a supporting structure (103) is arranged on the side of the A-phase horizontal main busbar and the C-phase horizontal main busbar that are away from each other.
2. The single busbar structure according to claim 1, characterized in that: The A-phase horizontal main busbar and the C-phase horizontal main busbar are connected to the supporting structure (103) via a plurality of bolts (205).
3. The single busbar structure according to claim 2, characterized in that: The bolt (205) is a high-strength carbon steel bolt (205).
4. The single busbar structure according to claim 1, characterized in that: The size of the support structure (103) is compatible with the size of the horizontal busbar (101); two L-shaped reinforcing ribs are arranged inside the support structure (103); and the support structure (103) is made of Q235 steel, so that it has strong resistance to electrical stress.
5. A switch cabinet, characterized in that: It comprises the single busbar structure as described in any one of claims 1 to 4; and also comprises a frame structure and a vertical busbar (300); the single busbar structure is assembled in the frame structure (200) in the horizontal direction, and the vertical busbar (300) is assembled in the frame structure (200) in the vertical direction, and one end of the vertical busbar (300) is connected to the single busbar structure, and the other end is connected to the load.
6. The switch cabinet according to claim 5, characterized in that: The vertical busbar (300) is connected to the single busbar structure via bolts (205), and washers and nuts are provided on the outer periphery of the bolts (205).
7. The switch cabinet according to claim 5, characterized in that: The frame structure (200) comprises a plurality of transverse members (202) arranged at intervals along the vertical direction and a plurality of vertical members (201) arranged along the transverse direction, wherein the plurality of vertical members (201) are respectively connected to the plurality of transverse members (202) to form the frame structure (200).
8. The switch cabinet according to claim 7, characterized in that: A support frame (204) is also provided on two adjacent vertical members (201), and the single busbar structure is connected to the support frame (204) via a supporting structure member (103) on its side.
9. The switch cabinet according to claim 8, characterized in that: The frame structure (200) further comprises a bottom plate (203), wherein the bottom plate (203) is arranged in a space enclosed by the plurality of vertical members (201) and the plurality of horizontal members (202).
10. The switch cabinet according to claim 6, characterized in that: The bolt (205), the washer and the nut are all made of 8.8 grade high-quality carbon steel material.