CN220324924U - High-current low-voltage cabinet bus assembly - Google Patents
High-current low-voltage cabinet bus assembly Download PDFInfo
- Publication number
- CN220324924U CN220324924U CN202321650888.4U CN202321650888U CN220324924U CN 220324924 U CN220324924 U CN 220324924U CN 202321650888 U CN202321650888 U CN 202321650888U CN 220324924 U CN220324924 U CN 220324924U
- Authority
- CN
- China
- Prior art keywords
- busbar
- bus bar
- sheath
- hole
- voltage cabinet
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052802 copper Inorganic materials 0.000 claims abstract description 15
- 239000010949 copper Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Installation Of Bus-Bars (AREA)
Abstract
The utility model relates to a high-current low-voltage cabinet bus assembly, and belongs to the technical field of electrical equipment. The utility model provides a heavy current low-voltage cabinet busbar subassembly comprises non-magnetic conduction's busbar support, busbar sheath and busbar, be equipped with the through-hole on the busbar support, the busbar sheath is fixed on the through-hole, the busbar is settled in the busbar sheath. Compared with the traditional rectangular copper bar, the copper bar has the beneficial effects that: the heat-dissipation structure has the characteristics of high mechanical strength, strong dynamic heat stability and the like, and the structure also ensures that the heat-dissipation effect is superior to that of the traditional rectangular copper bar, so that the current-carrying capacity is higher under the condition of the same sectional area. The special-shaped busbar and the branch row can be connected and fixed with the branch row through a notch which is communicated with one long surface of the rectangle and a T-shaped bolt matched with the notch, the busbar is convenient to install, and the efficiency is higher.
Description
Technical Field
The utility model relates to a high-current low-voltage cabinet bus assembly, and belongs to the technical field of electrical equipment.
Background
At present, a main busbar of a domestic low-voltage cabinet is generally rectangular, the busbar is fixed on a support frame through an upper insulating bus clamp and a lower insulating bus clamp, the support frame is hoisted at the top of the low-voltage cabinet, and the support frame is also supported at the space position of the main busbar at the top of the low-voltage cabinet. The busbar is fastened up and down through bolts, and as the busbar current increases, the busbar specification and the number of each phase busbar also increase, and for a high-current (5000A and above) system, the number of copper bars of each phase of the busbar is 3-4, and the interval between the same phases is usually only the row thickness (10 mm), so for a high-current system, the rectangular busbar system has the following defects: 1. the heat dissipation of the main bus is slow; 2. the rectangular busbar is difficult to be assembled on site, and each busbar is required to be connected in a plugging manner. 3. When the rectangular busbar is connected with the branch row, punching connection is needed, the production and installation efficiency is low, and the expansion and cabinet combination of later-stage projects are inconvenient.
Disclosure of Invention
Aiming at the problems of slow heat dissipation, difficult cabinet combination and low production efficiency of the bus in the prior art, the utility model provides a high-current low-voltage cabinet bus assembly, and the production efficiency is improved.
In order to achieve the purpose, the high-current low-voltage cabinet bus assembly comprises a non-magnetic bus support, a bus sheath and a bus, wherein the bus support is provided with a through hole, the bus sheath is fixed on the through hole, and the bus is arranged in the bus sheath.
Further, the bus support comprises a vertical surface, a horizontal plane perpendicular to the vertical surface is formed by outwards bending the bottom edge of the vertical surface, the through holes are positioned on the vertical surface, and symmetrical bus sheath mounting holes are formed in two sides of the through holes.
The vertical surface is provided with at least two rectangular through holes, and three bus sheaths are fixed in each through hole along the vertical direction. Three bus bar sheaths can be installed to ensure that the current can reach the highest current level 7400A in the low-voltage cabinet industry.
And the vertical surface and the horizontal surface are respectively provided with a module hole for fixing the bus system to fix the bus system on the bus room.
The bus sleeve is a cuboid with a hollowed-out middle, the surface and the bottom surface of the bus sleeve are narrow planes formed along short sides, the two side surfaces of the bus sleeve are wide planes formed by long sides, and boss planes formed by outward extension are arranged on the wide planes. The narrow plane is positioned at the upper end and the lower end, so that the sheath can be accumulated conveniently, the minimum upper and lower installation distance is ensured, and the height space of the bus system is saved.
The center of the boss plane is provided with a countersunk head hole matched with the busbar sheath mounting hole, and the periphery of the countersunk head hole is provided with a cross reinforcing plate formed by extension, so that the strength of the sheath is ensured when the bolt is screwed.
The inner wall of cuboid has equidistant rectangle notch, reduces the area of contact that the generating line runs through the in-process, reduces the resistance that the copper bar runs through the installation, is convenient for the generating line installation.
Furthermore, on the basis of the above, the busbar sheath may have the following structure: one surface of the cuboid is hollowed out, and the opposite surface is provided with a plug for the terminal cabinet of the low-voltage power distribution cabinet, and the bus end for reporting is insulated from the side plate.
The surface of the plug is provided with reinforcing ribs, and the reinforcing ribs are in a shape like a Chinese character 'mi', so that the strength of the plug is ensured.
The bus is a special-shaped copper bar, the section of the special-shaped copper bar is a rectangle with an opening, and a through notch is formed in the long surface of the rectangle and used for lap joint fixation of the branch bus bars. The heat dissipation effect of the special-shaped copper bar is obviously better than that of a rectangular bus bar.
Compared with the traditional rectangular copper bar, the copper bar has the beneficial effects that: the heat-dissipation structure has the characteristics of high mechanical strength, strong dynamic heat stability and the like, and the structure also ensures that the heat-dissipation effect is superior to that of the traditional rectangular copper bar, so that the current-carrying capacity is higher under the condition of the same sectional area. The special-shaped busbar and the branch row can be connected and fixed with the branch row through a notch which is communicated with one long surface of the rectangle and a T-shaped bolt matched with the notch, the busbar is convenient to install, and the efficiency is higher.
Drawings
The utility model is further described below with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is a schematic structural view of the bus bar bracket in fig. 1.
Fig. 3 is a schematic structural view of the busbar sheath in fig. 1.
Fig. 4 is another schematic structural view of the busbar sheath of fig. 3.
Detailed Description
Examples
The structure of the embodiment is shown in figures 1-4, and the high-current low-voltage cabinet bus assembly consists of a high-strength special-shaped bus bracket 1, a special-shaped bus sheath 2 and a special-shaped copper bar 3. The high-strength special-shaped busbar bracket 1 adopts a 3mm high-strength aluminum plate design, so that the busbar strength is ensured, and meanwhile, the generation of busbar vortex of a high-current system can be effectively prevented due to the non-magnetic conductive material. The high-strength special-shaped bus bracket 1 consists of two surfaces, three groups of rectangular holes 1-1 are formed in the wide surface, 3 sheath fixing holes 1-2 are formed in the left and right sides of the rectangular holes 1-1, three special-shaped bus sheaths 2 can be installed in each group of rectangular holes, current can reach the highest current level 7400A in the low-voltage cabinet industry, and a row of module holes and two rows of module holes 1-3 in the wide surface are formed in the narrow surface 1-4 and are used for fixing the bus system, so that the bus system can be safely and firmly installed on a bus chamber of a low-voltage power distribution cabinet. The special-shaped bus sheath 2 is designed by adopting a high-strength insulating material, so that the requirements of main bus insulation and short-time 100KA resistance are ensured. The structural main body of the special-shaped bus sheath 2 is a cuboid, and the middle of the special-shaped bus sheath is hollowed out and used for penetrating the special-shaped bus 3. The upper and lower planes of the cuboid narrow surface are planes, so that the method can be used for accumulating the jackets, ensures that the upper and lower installation distance is minimum, and saves the height space of the bus system. The left and right sides of the cuboid wide surface are respectively extended with a boss plane 2-1, and the boss plane is provided with a countersunk head hole 2-3 of a fixing bolt for being matched and fixed with the sheath fixing hole 1-2. The periphery of the countersunk head holes 2-3 of the fixing bolts are provided with cross-shaped reinforcing plates 2-2, so that the strength of the sheath during tightening of the bolts is ensured. The rectangular notch 2-4 with equal intervals is arranged in the hollow part of the cuboid, so that the contact area of the special-shaped bus in the penetrating process is reduced, the resistance of the bus penetrating and installing process is reduced, and the special-shaped bus is convenient to install. The other derivative of the special-shaped bus sheath 2 is that the sheath is provided with a plug and is not entirely penetrated, one end of the special-shaped bus sheath is sealed by the plug 2-5, and the other end of the special-shaped bus sheath is penetrated and is mainly used for a terminal cabinet of a low-voltage power distribution cabinet, so that the insulation between the bus end and a side plate is ensured. The surface of the plug 2-5 is provided with a 'rice' -shaped reinforcing rib 2-6, so that the strength of the plug is ensured. The special-shaped copper bar 3 has a C-shaped structural section, a rectangular structure in section, a through notch is arranged on one long surface of the rectangle and is used for lap joint fixation of the branch busbar,
in addition to the embodiments described above, other embodiments of the utility model are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the protection scope of the utility model.
Claims (6)
1. The utility model provides a heavy current low-voltage cabinet generating line subassembly which characterized in that: the bus bar is characterized by comprising a non-magnetic bus bar support, a bus bar sheath and a bus bar, wherein a through hole is formed in the bus bar support, the bus bar sheath is fixed on the through hole, the bus bar is arranged in the bus bar sheath, the bus bar support is formed by bending a vertical surface outwards along the bottom edge of the vertical surface to form a horizontal plane perpendicular to the vertical surface, the through hole is positioned on the vertical surface, symmetrical bus bar sheath mounting holes are formed in two sides of the through hole, at least two rectangular through holes are formed in the vertical surface, three bus bar sheaths are fixed in each through hole along the vertical direction, module holes are formed in the vertical surface and the horizontal plane, the bus bar sheath is a cuboid with a hollowed middle part, the surface and the bottom surface of the bus bar sheath are narrow planes formed along short sides, two side surfaces of the bus bar sheath are wide planes formed by long sides, and boss planes formed by extending outwards are formed on the wide planes.
2. The high-current low-voltage cabinet busbar assembly of claim 1, wherein: the center of the boss plane is provided with a countersunk head hole matched with the busbar sheath mounting hole, and the periphery of the countersunk head hole is provided with a cross-shaped reinforcing plate formed by extension.
3. The high-current low-voltage cabinet busbar assembly of claim 2, wherein: the inner wall of the cuboid is provided with rectangular notches with equal intervals.
4. A high current low voltage cabinet busbar assembly according to claim 3, wherein: one surface of the cuboid is hollowed out, and the opposite surface is provided with a plug.
5. The high-current low-voltage cabinet busbar assembly of claim 4, wherein: the surface of the plug is provided with reinforcing ribs, and the reinforcing ribs are in a shape like a Chinese character 'mi'.
6. The high-current low-voltage cabinet busbar assembly of claim 1, wherein: the bus is a special-shaped copper bar, the section of the special-shaped copper bar is a rectangle with an opening, and a through notch is formed in the long surface of the rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321650888.4U CN220324924U (en) | 2023-06-27 | 2023-06-27 | High-current low-voltage cabinet bus assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321650888.4U CN220324924U (en) | 2023-06-27 | 2023-06-27 | High-current low-voltage cabinet bus assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220324924U true CN220324924U (en) | 2024-01-09 |
Family
ID=89425200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321650888.4U Active CN220324924U (en) | 2023-06-27 | 2023-06-27 | High-current low-voltage cabinet bus assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220324924U (en) |
-
2023
- 2023-06-27 CN CN202321650888.4U patent/CN220324924U/en active Active
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