CN216720856U

CN216720856U - Aluminum metal shell sealing waterproof bus duct

Info

Publication number: CN216720856U
Application number: CN202122345978.XU
Authority: CN
Inventors: 马见雄
Original assignee: Zhenjiang Gardermoen Intelligent Power Technology Co ltd
Current assignee: Zhenjiang Gardermoen Intelligent Power Technology Co ltd
Priority date: 2021-09-27
Filing date: 2021-09-27
Publication date: 2022-06-10
Anticipated expiration: 2031-09-27

Abstract

The utility model relates to an aluminum metal shell sealed waterproof bus duct, which comprises a bus duct shell and a plurality of busbars, wherein the bus duct shell comprises a main board and side plates, the main board comprises a cover plate, a bottom plate and a central plate, PE (polyethylene) rows are arranged in heat dissipation through holes of the central plate, the busbars are arranged between two sides of the central plate and the side plates in two groups in parallel, a first sealing strip or a second sealing strip is respectively arranged between the top of each group of busbars and the cover plate and between the bottom of each group of busbars and the bottom plate, a plurality of grooves are respectively arranged on the first sealing strip and the second sealing strip, the first sealing strip and the second sealing strip extend to a position between the side plate and the cover plate or the bottom plate, the first sealing strip and the second sealing strip are in insulating support through the grooves, the busbars are quickly positioned and installed, magnetic oscillation noise is reduced, the sealing waterproof performance is improved by assisting in quickly positioning and connecting the main board and the side plate, the problem that the interphase insulation resistance is reduced and the temperature rise caused by moisture and water seepage is avoided, and the quick heat dissipation of the center and the outer wall of the bus duct shell, The overload capacity is improved, and therefore the electrical performance and safety of the bus duct are improved.

Description

Aluminum metal shell sealing waterproof bus duct

Technical Field

The utility model relates to a sealed waterproof bus duct with an aluminum metal shell, and belongs to the technical field of bus ducts.

Background

The bus duct is composed of a metal plate made of steel, steel aluminum, aluminum alloy, aluminum and the like as a protective shell, an insulating material, a conductive bar and related accessories, is used for transmitting current, tapping feed and distributing large power for each element of a dispersion system, and is widely applied to high-rise buildings. The bus duct shell adopts a cover plate, a bottom plate and a side plate structure symmetrically arranged on two sides of the cover plate and the bottom plate, and is connected with a packaged busbar in a plugging fit mode, a bolt connection mode and the like, in the process of bus construction and use, gaps among the side plate, the cover plate and the bottom plate are prone to moisture and water seepage, and the inter-phase insulation resistance is reduced, meanwhile, for a three-phase five-wire system power transmission bus, L1, L2, L3 and N, PE five-phase conductors are arranged side by side, and a PE phase is connected with the shell to serve as a grounding protection conductor, because the wires are compactly arranged and installed, the heat of an intermediate conductor is not prone to dissipation, the temperature rise of the bus duct is high, the overload capacity is reduced, and strong electrodynamic force generated under intensive arrangement enables magnetic oscillation frequency to form a superposition state, and overlarge noise is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a sealed waterproof bus duct with an aluminum metal shell, aiming at the defects of the prior art, the first sealing strip and the second sealing strip are in insulating support, the busbar is quickly positioned and installed, the magnetic oscillation noise is reduced, the main board and the side board are connected in an auxiliary and quick positioning manner, the sealing waterproof performance is improved, the damp and water seepage are avoided, the temperature rise is reduced by quickly radiating the center and the outer wall of the bus duct, and the electrical performance and the safety of the bus duct are improved.

The utility model is realized by the following technical scheme:

an aluminum metal shell sealed waterproof bus duct comprises a bus casing and a plurality of busbars positioned in the bus casing, wherein the bus casing comprises a main board and side boards symmetrically arranged on two sides of the main board, the main board comprises a cover plate, a bottom plate and a central plate, the cover plate and the bottom plate are in an integrated structure, the central plate is vertically connected between the cover plate and the bottom plate, a heat dissipation through hole is formed in the central plate, and PE (polyethylene) rows which are vertically arranged and are in an integrated structure with the main board are arranged in the heat dissipation through hole;

the plurality of busbars are arranged between two sides of the central plate and the side plates in parallel, a first sealing strip or a second sealing strip is respectively arranged between the top of each group of busbars and the cover plate and between the bottom of each group of busbars and the bottom plate, a plurality of grooves which correspond to the end parts of the plurality of busbars in shape fit are respectively arranged on the first sealing strip and the second sealing strip, and the first sealing strip and the second sealing strip extend to the space between the side plates and the cover plate or the bottom plate;

the central plate comprises a frame plate provided with a heat dissipation through hole and PE (polyethylene) rows and connecting plates which are arranged at the top of one side and the bottom of the other side of the frame plate in a mirror image mode and are respectively connected with the cover plate and the bottom plate, first sealing strips and second sealing strips of two groups of busbars are respectively arranged at two sides of the connecting plates and are in interference fit with the connecting plates, the connecting plates and the frame plate, and a plurality of first heat dissipation bulges arranged at intervals are arranged in the heat dissipation through hole;

the cover plate and the bottom plate are respectively provided with a convex rib protruding towards the top or towards the bottom, the first sealing strip and the second sealing strip are in clearance fit with the inner wall of the convex rib, the side plate comprises a side plate body positioned on one side of the busbar, an L-shaped plate symmetrically and vertically connected with the top and the bottom of the side plate body, and an end plate vertically connected with the end part of the L-shaped plate and tightly attached to the cover plate or the bottom plate, and the first sealing strip and the second sealing strip are in clearance fit with the inner wall of the L-shaped plate;

the side plate body is provided with a plurality of radiating fins arranged at intervals and a plurality of second radiating protrusions arranged at intervals on the outer wall of the side plate body and the outer wall of the radiating fins, the cover plate and the side plate, the bottom plate and the side plate are provided with through holes which are correspondingly arranged and are arranged outside the first sealing strip and the second sealing strip, and the through holes are provided with matched bolts and nuts.

The utility model has the beneficial effects that:

(1) the end parts of each group of busbars are arranged at intervals with the corresponding groove shapes of the first sealing strip and the second sealing strip in a matched mode, and are arranged on two sides of the central plate in two groups, one side of the connecting plate is inserted into the end part of the second sealing strip, the outer wall of the frame plate is inserted into the outer wall of the frame plate, and the cover plate or the bottom plate is quickly positioned;

(2) the PE row that is integral type structure with the mainboard is located bus duct center ground connection, and through the heat dissipation through-hole of PE row both sides, a plurality of first heat dissipation arch that the interval set up in the heat dissipation through-hole, a plurality of radiating fin on the curb plate body, a plurality of second heat dissipation arch that the interval set up on curb plate body outer wall and the radiating fin outer wall, increase heat radiating area, make bus duct center and outer wall dispel the heat fast, in order to reduce female temperature rise of arranging, improve overload capacity, thereby improve bus duct electrical performance and security.

Drawings

FIG. 1 is a cross-sectional structural view of the present invention.

Fig. 2 is a structure diagram of the main board of the present invention.

Fig. 3 is a side panel structure view of the present invention.

Fig. 4 is a view showing the structure of the first weather strip of the present invention.

Fig. 5 is a view showing the structure of a second weather strip of the present invention.

The labels in the figure are: the bus bar comprises a bus bar shell 1, a bus bar 2, a main board 11, a side board 12, a cover plate 111, a bottom plate 112, a central board 113, a heat dissipation through hole 3, a PE (polyethylene) row 4, a first sealing strip 5 or a second sealing strip 6, a groove 7, a frame plate 1131, a connecting plate 1132, a first heat dissipation protrusion 8, a convex rib 9, a side board body 121, an L-shaped plate 122, an end plate 123, a heat dissipation fin 10, a second heat dissipation protrusion 13, a side end plate 14, a through hole 15, a bolt 16 and a nut 17.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings.

An aluminum metal shell sealed waterproof bus duct comprises a bus casing body 1 and a plurality of busbars 2 positioned in the bus casing body 1, wherein the bus casing body 1 comprises a main board 11 and side boards 12 positioned on two sides of the main board 11 and symmetrically arranged, the main board 11 comprises a cover plate 111, a bottom plate 112 and a central plate 113, the cover plate 111 and the bottom plate 112 are in an integrated structure, the central plate 113 is vertically connected with the cover plate 111 and the bottom plate 112, a heat dissipation through hole 3 is formed in the central plate 113, and a PE (polyethylene) row 4 which is vertically arranged and is in an integrated structure with the main board 11 is arranged in the heat dissipation through hole 3;

the plurality of busbars 2 are arranged between two sides of the central plate 113 and the side plate 12 in two groups in parallel, a first sealing strip 5 or a second sealing strip 6 is respectively arranged between the top of each group of busbars 2 and the cover plate 111 and between the bottom of each group of busbars 2 and the bottom plate 112, a plurality of grooves 7 which are correspondingly matched with the end parts of the plurality of busbars 2 in shape are respectively arranged on the first sealing strip 5 and the second sealing strip 6, and the first sealing strip 5 and the second sealing strip 6 extend to the position between the side plate 12 and the cover plate 111 or the bottom plate 112;

the central plate 113 comprises a frame plate 1131 provided with heat dissipation through holes 3 and PE rows 4, and a connecting plate 1132 which is arranged at the top of one side and the bottom of the other side of the frame plate 1131 in a mirror image manner and is respectively connected with the cover plate 111 and the bottom plate 112, the first sealing strips 5 and the second sealing strips 6 of the two groups of busbars 2 are respectively arranged at two sides of the connecting plate 1132 and are in interference fit with the connecting plate 1132, the connecting plate 1132 and the frame plate 1131, and a plurality of first heat dissipation protrusions 8 arranged at intervals are arranged in the heat dissipation through holes 3;

the cover plate 111 and the bottom plate 112 are respectively provided with a convex rib 9 protruding towards the top or towards the bottom, the first sealing strip 5 and the second sealing strip 6 are in clearance fit with the inner wall of the convex rib 9, two sides of the convex rib 9 are oppositely and obliquely arranged, the side plate 12 comprises a side plate body 121 positioned on one side of the busbar 2, an L-shaped plate 122 symmetrically and vertically connected with the top and the bottom of the side plate body 121, and an end plate 123 vertically connected with the end part of the L-shaped plate 122 and tightly attached to the cover plate 111 or the bottom plate 112, and the first sealing strip 5 and the second sealing strip 6 are in clearance fit with the inner wall of the L-shaped plate 122;

a plurality of radiating fins 10 arranged at intervals and a plurality of second radiating protrusions 13 arranged at intervals on the outer walls of the side plate bodies 121 and the outer walls of the radiating fins 10 are arranged on the side plate bodies 121;

both ends of the cover plate 111 and the bottom plate 112 are provided with side end plates 14 which are oppositely arranged and have h-shaped cross sections, the cover plate 111 and the side plate 12, the bottom plate 112 and the side plate 12 are provided with through holes 15 which are correspondingly arranged and are located outside the first sealing strip 5 and the second sealing strip 6, and the through holes 15 are provided with matched bolts 16 and nuts 17.

The working principle of the utility model is as follows:

referring to the drawings, a main plate 11 in an aluminum metal bus bar shell 1 is of an integrated structure through a cover plate 111, a bottom plate 112 and a central plate 113, the central plate 113 is provided with a heat dissipation through hole 3 and a PE row 4 in the heat dissipation through hole 3, the central plate 113 is provided with the cover plate 111 and the bottom plate 112 through a frame plate 1131, and the cover plate 111 and the bottom plate 112 are connected through a connecting plate 1132, wherein the connecting plate 1132 is arranged at the top of one side and the bottom of the other side of the frame plate 1131 in a mirror image manner, so that one side of the connecting plate 1132 forms a positioning insertion structure with the outer wall of the frame plate 1131, the cover plate 111 or the bottom plate 112;

the busbar 2 comprises L1 phases, L2 phases, L3 phases and N phases, wherein an insulating layer wraps the busbar 2 outside a conductor, the end parts of the busbar 2 and the grooves 7 of the first sealing strips 5 and the second sealing strips 6 are arranged at intervals in a shape matching manner, the two groups of busbar 2 are arranged on two sides of a central plate 113, the end part of the second sealing strip 6 is inserted into one side of a connecting plate 1132 to be quickly positioned with the outer wall of a frame plate 1131, and the cover plate 111 or the bottom plate 112 are in elastic interference fit, the first sealing strips 5 and the second sealing strips 6 are in elastic compression and insulating support on each group of parallel busbars 2 through the first sealing strips 5 and the second sealing strips 6, and the first sealing strips 5 and the second sealing strips 6 of the two groups of busbars 2 are in clearance fit and positioned and fixed with convex ribs 9 of the cover plate 111 or the bottom plate 112, so that the first sealing strips 5 and the second sealing strips 6 of the two groups of busbars 2 are tightly arranged on two sides 1132, and the two sides of the convex ribs 9 are oppositely obliquely arranged, and the deformation resistance strength effect of the convex ribs 9 on the cover plate 111 and the bottom plate 112 is increased;

the aluminum side plate 12 is bent to form a side plate body 121, an L-shaped plate 122 and an end plate 123 structure, when the side plate 12 is installed from the side of the main plate 11, the end plate 123 is tightly attached to the cover plate 111 or the bottom plate 112 to the L-shaped plate 122 to be in limit clearance fit with the first sealing strip 5 and the second sealing strip 6, the side part of each group of busbar 2 is packaged by the side plate body 121, the bolt 16 penetrates through the through hole 15 positioned on the outer side of the first sealing strip 5 and the second sealing strip 6, the nut 17 is locked to realize the fixed connection of the side plate 12 and the main plate 11, the first sealing strip 5 and the second sealing strip 6 extend to the position between the side plate 12 and the cover plate 111 or the bottom plate 112 at the same time when the busbar 2 is supported in an insulating manner, and the quick positioning connection is assisted, and the sealing and water proofing after the connection are formed;

the side end plates 14 which are oppositely arranged at two ends of the cover plate 111 and the bottom plate 112 and have h-shaped cross sections are used for supporting or hoisting the whole bus duct, when the bus bar 2 is used for electricity transmission, the PE bar 4 which is in an integral structure with the main plate 11 is positioned at the center of the bus duct and is grounded, the grounding reliability is ensured, and the heat dissipation fins 10 on the side plate body 121, the second heat dissipation fins 13 on the outer wall of the side plate body 121 and the outer wall of the heat dissipation fins 10 and the heat dissipation areas are increased through the heat dissipation through holes 3 at two sides of the PE bar 4 and the first heat dissipation bulges 8 which are arranged at intervals in the heat dissipation through holes 3, so that the heat dissipation areas are increased, the heat dissipation at the center and the outer wall of the bus duct is quickly dissipated, the temperature rise of the bus bar 2 is reduced, the overload capacity is improved, the magnetic oscillation noise is reduced under the insulating support of the bus bar 2 by the first sealing strips 5 and the second sealing strips 6, the sealing water tightness of the main plate 11 and the side plate 12 is improved, and the problem of the reduction of the interphase insulation resistance caused by moisture and water seepage is avoided, thereby improve bus duct electrical property and security.

The working principle of the utility model is as follows:

referring to the attached drawings, a main board in an aluminum metal bus shell is of an integrated structure through a cover plate, a bottom plate and a central plate, the central plate is provided with a heat dissipation through hole and a PE row which is positioned in the heat dissipation through hole and is of the integrated structure through a frame plate, and a connecting plate which is positioned at the top of one side of the frame plate and at the bottom of the other side of the frame plate in a mirror image mode is connected with the cover plate and the bottom plate, so that one side of the connecting plate and the outer wall of the frame plate, the cover plate or the bottom plate form a positioning insertion structure;

the bus bar comprises L1 phases, L2 phases, L3 phases and N phases, wherein an insulating layer is wrapped outside a bus bar conductor by the bus bars of the N phases, the bus bars are arranged in two groups at intervals in a matched mode through the end parts and the grooves of a first sealing strip and a second sealing strip, the two groups of bus bars are arranged on the two sides of a central plate, the end part of the second sealing strip is inserted into one side of a connecting plate and the outer wall of a frame plate, and a cover plate or a bottom plate is quickly positioned;

the side plate made of aluminum metal is bent to form a side plate body, an L-shaped plate and an end plate structure, when the side plate is installed from the side position of a main plate, the end plate is tightly attached to a cover plate or a bottom plate to the L-shaped plate and is in limit clearance fit with a first sealing strip and a second sealing strip, the side part of each group of bus bars is packaged by the side plate body, bolts penetrate through holes positioned on the outer sides of the first sealing strip and the second sealing strip, and nuts are locked to realize the fixed connection of the side plate and the main plate, so that the first sealing strip and the second sealing strip extend between the side plate and the cover plate or the bottom plate at the same time of insulating and supporting the bus bars, the quick positioning connection is assisted, and the sealing and water proofing after the connection are formed;

the side end plates with h-shaped cross sections are arranged at the two ends of the cover plate and the bottom plate in an opposite way and are used for supporting or hoisting the whole bus duct, when the bus bar is used for electric transmission, the PE row which is in an integral structure with the main board is positioned in the center of the bus duct and is grounded, the grounding reliability is ensured, and the heat dissipation area is increased through the heat dissipation through holes on the two sides of the PE row, a plurality of first heat dissipation bulges arranged at intervals in the heat dissipation through holes, a plurality of heat dissipation fins on the side board body, a plurality of second heat dissipation bulges arranged at intervals on the outer wall of the side board body and the outer wall of the heat dissipation fins, so that the heat dissipation of the center and the outer wall of the bus duct is quickly realized, the temperature rise of the bus bar is reduced, the overload capacity is improved, reduce the magnetic oscillation noise under first sealing strip and second sealing strip are to female insulating support of arranging to improve the waterproof sealing nature of mainboard and curb plate, avoided weing, the infiltration causes alternate insulation resistance to descend the problem, thereby improve bus duct electrical property and security.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An aluminum metal shell sealed waterproof bus duct comprises a bus casing (1) and a plurality of busbars (2) positioned in the bus casing (1), and is characterized in that the bus casing (1) comprises a main board (11) and side boards (12) symmetrically arranged on two sides of the main board (11), the main board (11) comprises a cover plate (111) and a bottom plate (112) which are of an integrated structure, and a central plate (113) vertically connected between the cover plate (111) and the bottom plate (112), wherein heat dissipation through holes (3) are formed in the central plate (113), and PE (polyethylene) rows (4) which are vertically arranged and are of an integrated structure with the main board (11) are arranged in the heat dissipation through holes (3);

a plurality of female arranging (2) are two sets of parallel arrangement between well core plate (113) both sides and curb plate (12), and every group is female arranges between (2) top and apron (111), and every group is female arranges between (2) bottom and bottom plate (112) and is equipped with first sealing strip (5) or second sealing strip (6) respectively, all be equipped with on first sealing strip (5) and second sealing strip (6) and correspond a plurality of recesses (7) of shape complex with a plurality of female arranging (2) tip, first sealing strip (5) and second sealing strip (6) extend to between curb plate (12) and apron (111) or bottom plate (112).

2. The aluminum metal shell sealed waterproof bus duct of claim 1, wherein the central plate (113) comprises a frame plate (1131) provided with heat dissipation through holes (3) and PE rows (4), a connecting plate (1132) arranged at the top of one side and the bottom of the other side of the frame plate (1131) in a mirror image manner and respectively connected with the cover plate (111) and the bottom plate (112), and first sealing strips (5) and second sealing strips (6) of two groups of busbars (2) are respectively arranged at two sides of the connecting plate (1132) and are in interference fit with the connecting plate (1132), the connecting plate (1132) and the frame plate (1131).

3. The aluminum metal shell sealing waterproof bus duct according to claim 1, wherein a plurality of first heat dissipation protrusions (8) are arranged in the heat dissipation through hole (3) at intervals.

4. The aluminum metal shell sealing waterproof bus duct of claim 1, wherein the cover plate (111) and the bottom plate (112) are respectively provided with a convex rib (9) protruding towards the top or towards the bottom, and the first sealing strip (5) and the second sealing strip (6) are in clearance fit with the inner wall of the convex rib (9).

5. The aluminum metal casing waterproof sealing bus duct as claimed in claim 4, wherein two sides of the rib (9) are inclined oppositely.

6. The aluminum metal shell sealing waterproof bus duct according to claim 1, wherein two ends of the cover plate (111) and the bottom plate (112) are respectively provided with a side end plate (14) which is arranged oppositely and has an h-shaped cross section.

7. The aluminum metal shell sealing waterproof bus duct of claim 1, wherein the side plate (12) comprises a side plate body (121) located on one side of the busbar (2), an L-shaped plate (122) symmetrically and vertically connected with the top and the bottom of the side plate body (121), and an end plate (123) vertically connected with the end of the L-shaped plate (122) and tightly attached to the cover plate (111) or the bottom plate (112), and the first sealing strip (5) and the second sealing strip (6) are in clearance fit with the inner wall of the L-shaped plate (122).

8. The aluminum metal shell sealing waterproof bus duct according to claim 7, wherein a plurality of radiating fins (10) are arranged on the side plate body (121) at intervals, and a plurality of second radiating protrusions (13) are arranged on the outer wall of the side plate body (121) and the outer wall of the radiating fins (10) at intervals.

9. The aluminum metal shell sealing waterproof bus duct according to any one of claims 1 to 8, wherein the cover plate (111) and the side plate (12), and the bottom plate (112) and the side plate (12) are respectively provided with a through hole (15) which is correspondingly arranged and is positioned outside the first sealing strip (5) and the second sealing strip (6), and the through hole (15) is provided with a bolt (16) and a nut (17) which are matched with each other.