CN215580243U - Copper-aluminum alloy combined bus duct initial end section - Google Patents
Copper-aluminum alloy combined bus duct initial end section Download PDFInfo
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- CN215580243U CN215580243U CN202121113696.0U CN202121113696U CN215580243U CN 215580243 U CN215580243 U CN 215580243U CN 202121113696 U CN202121113696 U CN 202121113696U CN 215580243 U CN215580243 U CN 215580243U
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Abstract
The utility model discloses a copper-aluminum alloy combined bus duct initial end section which is suitable for connecting a transformer, a low-voltage power distribution cabinet, a generator or a cable and comprises a shell assembly, a conductor assembly, a bus body and a bus connecting end; the conductor assembly connecting end is connected to the end part of the bus body and sealed by the shell assembly sealing cover; at least three groups of aluminum alloy busbars are arranged on the busbar body, and starting end copper bars which are in butt joint with each group of aluminum alloy busbars are arranged on the corresponding conductor assemblies; a copper-aluminum alloy clad sheet is arranged between each group of aluminum alloy bus bars and the butt joint surface of the corresponding butt joint starting end copper bar, an aluminum alloy layer on the outer side of the copper-aluminum alloy clad sheet is directly attached and contacted with the side surface of the aluminum alloy bus bar, and a copper alloy layer of the copper-aluminum alloy clad sheet is directly attached and contacted with the inner side surface of the starting end copper bar; the copper-aluminum alloy clad sheet improves the overcurrent capacity between the aluminum alloy busbar and the starting end copper bar, realizes the connection of copper and copper surfaces and alloy surfaces, and has high strength and good joint stability.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to an electric energy transmission connection technology, in particular to a copper-aluminum alloy combined bus duct starting end section.
[ background of the utility model ]
With the emergence of modern engineering facilities and equipment, the power consumption of various industries is increased rapidly, particularly, the appearance of numerous high-rise buildings and large-scale factory workshops, the traditional cable serving as a power transmission lead cannot meet the requirement in a large-current transmission system, and the parallel connection of multiple cables brings inconvenience to on-site installation, construction and connection. The bus duct is a novel distribution wire, is used for a main line of electric power transmission in the field of electric power transmission lines, is a substitute product of an electric power cable, the starting end section of the bus duct is the starting end of the bus duct main line, the starting end is the end connected with a transformer, a power distribution cabinet, a generator and a cable, and the other end of the bus duct is connected with the other bus duct through a connector, and is called as a starting end section, a starting end unit, a line inlet section, a franc and other multiple names. The bus duct is a closed metal device composed of copper and aluminum bus posts and used for distributing large power for each element of a decentralized system, and the bus duct system is a power distribution device for efficiently transmitting current, and the bus duct system is used for increasingly replacing electric wires and cables in indoor low-voltage power transmission main line engineering projects.
The enclosed bus duct (bus duct for short) is a bus system composed of a metal plate (steel plate or aluminium plate) as protective shell, conducting bars, insulating material and related accessories. It can be made into plug-in type closed bus with plug-in junction boxes at intervals, or made into feed type closed bus without junction box in the middle. In a power supply system of a high-rise building, power lines and lighting lines are often arranged separately, and the power supply system consists of an expansion bus duct, a terminal end socket, a terminal junction box, a jack box, bus duct related accessories, a fastening device and the like. The bus duct can be divided into an air type plug-in bus duct, a dense insulation plug-in bus duct and a high-strength plug-in bus duct according to an insulation mode. The structure and the application of the bus bar are divided into dense insulation, air additional insulation, fire resistance, resin insulation and sliding contact type bus ducts; the bus duct is divided into a steel shell, an aluminum alloy shell and a steel-aluminum mixed shell according to the shell material.
The end of the starting end section is normally connected with a power distribution cabinet, a transformer, a generator and the like through a copper bar or a copper cable. Most of the original bus ducts are copper conductor bus ducts, the manufacturing cost is high, China is lack of copper resources, the aluminum conductor bus ducts are low in manufacturing cost, but aluminum conductor buses are easy to oxidize, and electrochemical corrosion can be generated if the initial ends of the aluminum conductors of the buses are directly connected with the copper conductors, so that the aluminum conductor buses are rarely used in the project, the copper price rises, the manufacturing cost is increased for the modern construction of China, and the construction is influenced.
[ Utility model ] content
The utility model provides a copper-aluminum alloy combined bus duct starting end section which has the advantages of simple structure, high strength and good joint stability.
The technical scheme adopted by the utility model is as follows:
the copper-aluminum alloy combined bus duct initial end section is suitable for connecting a transformer, a low-voltage power distribution cabinet, a generator or a cable and comprises a shell assembly, a conductor assembly, a bus body adopting an aluminum alloy conductor and a bus connecting end;
the bus connecting end is connected to one end of the bus body, and the conductor assembly connecting end is connected to the other end of the bus body and sealed by a shell assembly cover;
at least three groups of aluminum alloy busbars are arranged on the busbar body, and starting end copper bars which are in butt joint with each group of aluminum alloy busbars are arranged on the corresponding conductor assemblies;
a copper-aluminum alloy lamination sheet which is respectively attached to the inner side surfaces of each aluminum alloy bus bar and the corresponding start-end copper bar is arranged between the aluminum alloy bus bar and the corresponding butt joint surface of the start-end copper bar, the copper-aluminum alloy lamination sheet adopts a copper-aluminum lamination double-layer structure, an aluminum alloy layer on the outer side of the copper-aluminum alloy lamination sheet is directly attached to and contacted with the side surface of the aluminum alloy bus bar, and a copper alloy layer of the copper-aluminum alloy lamination sheet is directly attached to and contacted with the inner side surface of the start-end copper bar;
the aluminum alloy busbar, the copper-aluminum alloy covering sheet and the starting end copper bar of each group are superposed and combined in a layered manner and then are fixedly connected by at least one group of bolts and nuts penetrating through the sleeve.
Further, the generating line body has four groups to extend to the side along the evenly spaced length direction and is L shape, and the aluminum alloy that outer terminal surface parallel and level set up arranges, corresponds four groups top copper bars on the conductor subassembly superpose respectively connect on every group aluminum alloy arranges after the copper-aluminum alloy laminating piece, and follow along vertical direction the casing subassembly downside stretches out.
Further, the shell assembly comprises a terminal outer sealing plate, a left side inner supporting plate, an L-shaped outer sealing plate for top side and rear side sealing covers, a right side inner supporting plate, a right side outer sealing plate and insulating partition plates, wherein the left side inner supporting plate and the right side inner supporting plate are respectively arranged on the left side and the right side of the four groups of aluminum alloy busbars;
the terminal outer sealing plate is buckled and covered on the left inner supporting plate and the end face of the bus body, and the right outer sealing plate is buckled and covered on the right inner supporting plate which protects the aluminum alloy bus bar from the side extending part of the bus body;
the insulation partition plate is arranged on the bottom side of the whole shell assembly, the front side edge of the insulation partition plate is connected with the front edge of the lower side of the L-shaped outer sealing plate, the rear edge of the insulation partition plate is connected with the lower edge of the side face of the bus body, and the insulation partition plate is provided with a through hole for each group of head copper bars to pass through.
Further, still die-cut the louvre that is provided with the even rectangle array distribution of multiunit, is used for the closed cavity heat dissipation of casing subassembly formation to take a breath on the trailing flank of L shape outer shrouding, the louvre is flat long D shape along the incision parallel and level down, and the louvre incision upwards extends and combines into an organic whole structure with the front side board of L shape outer shrouding.
Further, the aluminum alloy busbar, the copper-aluminum alloy covering sheet and the starting end copper bar are combined in a laminated manner and then connected by four groups of bolts and nuts which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
Further, the thickness of the copper-aluminum alloy clad sheet is 1.0 mm.
Further, the tip of generating line body opens along width direction even interval and is provided with four group's terminal surface departments and be the female row of aluminum alloy that the stairstepping dislocation distributes, corresponds four group top copper bars on the conductor assembly superpose respectively connect in female outer edge department of arranging of every group aluminum alloy behind the copper-aluminum alloy cover and follow along vertical direction the casing subassembly downside stretches out.
Furthermore, the casing assembly is a cuboid box body which is wrapped around the aluminum alloy bus bar and at the outer side end, and comprises a terminal outer sealing plate positioned on the left side, two inner supporting plates positioned on the front side and the rear side of the bus body and used for supporting the right side of the casing, a top side outer sealing plate used for sealing the top side, a front side supporting frame and an outer sealing plate used for supporting the front side and sealing the front right side, a rear side supporting frame and an outer sealing plate used for supporting the rear side and sealing the rear right side, and a plurality of groups of insulating clips and insulating partition plates positioned on the lower side of the top side outer sealing plate and used for uniformly distributing the aluminum alloy bus bar at intervals;
the insulating partition plate is arranged at the bottom side of the whole shell assembly, the front side edge and the rear side edge of the insulating partition plate are respectively connected with the inner edges of the front side supporting frame, the outer sealing plate, the rear side supporting frame and the outer sealing plate, and the insulating partition plate is provided with a through hole for each group of initial end copper bars to pass through.
Further, still die-cut the louvre that is provided with the even rectangle array distribution of multiunit, is used for the closed cavity heat dissipation of casing subassembly formation to take a breath respectively on the front and back side of front side carriage and outer shrouding and rear side carriage and outer shrouding, the louvre is flat long D shape along the incision parallel and level down, and the louvre incision upwards extends and the front side panel body fuses into an organic whole structure.
Further, the aluminum alloy busbar, the copper-aluminum alloy clad sheet and the starting end copper bar are combined in a laminated manner and then connected by six groups of bolts and nuts which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
The beneficial effects are that:
in the copper-aluminum alloy combined bus duct starting end section, a copper-aluminum alloy laminating piece which is respectively laminated with the inner side surfaces of each aluminum alloy bus bar and the corresponding starting end copper bar is arranged between the butt joint surfaces of each aluminum alloy bus bar and the corresponding starting end copper bar, the copper-aluminum alloy laminating piece adopts a copper-aluminum laminating double-layer structure, an aluminum alloy layer on the outer side of the copper-aluminum alloy laminating piece is directly laminated and contacted with the side surface of the aluminum alloy bus bar, and a copper alloy layer of the copper-aluminum alloy laminating piece is directly laminated and contacted with the inner side surface of the starting end copper bar; the direct connection of copper and copper surfaces and alloy surfaces is realized, the normal connection with the bus duct body is achieved, the starting end copper bar of the starting end section is reliably connected with the client side electric cabinet copper bar, and the direct connection type bus duct has the advantages of simple structure, high strength, good joint stability and improvement of the overcurrent capacity of the starting end section.
Therefore, galvanic corrosion is not easy to occur between the aluminum alloy busbar of the starting section body and the client side electric cabinet copper bar due to different materials, so that an over-high current heating accident is caused, and the reliability of starting section access of the bus duct is greatly improved.
[ description of the drawings ]
FIG. 1 is a schematic diagram of an explosive structure according to a first embodiment of the present invention;
FIG. 2 is a schematic perspective view of a first embodiment of the present invention;
FIG. 3 is an enlarged view of a partial cross-sectional structure of a copper-aluminum alloy clad sheet in the first embodiment of the present invention;
FIG. 4 is a schematic diagram of an exploded structure of a second embodiment of the present invention;
fig. 5 is a schematic perspective view of a second embodiment of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the drawings in the embodiments of the present invention, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and more than, less than, more than, etc. are understood as excluding the present number, and more than, less than, etc. are understood as including the present number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Example one
The copper-aluminum alloy combined bus duct starting end section is suitable for connecting a transformer, a low-voltage power distribution cabinet, a generator or a cable as shown in figures 1 to 3, and comprises a shell assembly, a conductor assembly, a bus body 1 adopting an aluminum alloy conductor and a bus connecting end 2; the bus connecting end 2 is connected to one end of the bus body 1, and the conductor assembly connecting end is connected to the other end of the bus body 1 and sealed by a shell assembly cover; four groups of aluminum alloy busbars 3 are arranged on the busbar body 1, and starting end copper bars 4 which are butted with each group of aluminum alloy busbars 3 are arranged on the corresponding conductor assemblies; a copper-aluminum alloy lamination sheet 5 which is respectively attached to the inner side surfaces of each group of aluminum alloy busbar 3 and the corresponding start-end copper bar 4 is arranged between the abutting surfaces of the two groups of aluminum alloy busbars 3 and the corresponding abutting surfaces of the two groups of aluminum alloy busbars, the copper-aluminum alloy lamination sheet 5 is of a copper-aluminum lamination double-layer structure, the thickness of the copper-aluminum alloy lamination sheet is 1.0mm, an aluminum alloy layer 50 on the outer side of the copper-aluminum alloy lamination sheet 5 is directly attached to and in contact with the side surface of each aluminum alloy busbar 3, and a copper alloy layer 51 of the copper-aluminum alloy lamination sheet 5 is directly attached to and in contact with the inner side surface of the start-end copper bar 4; the aluminum alloy busbar 3, the copper-aluminum alloy covering sheet 5 and the starting end copper bar 4 of each group are overlapped in a layered manner and then are connected by four groups of bolts 6 and nuts (not shown) which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
As shown in fig. 1 and 2, four sets of L-shaped aluminum alloy busbars 3 with flush outer end faces are extended from the side faces of the busbar body 1 at uniform intervals along the length direction, and four sets of starting end copper bars 4 on the corresponding conductor assemblies are respectively overlapped with the copper-aluminum alloy covering pieces 5, then are connected to each set of aluminum alloy busbars 3, and extend out from the lower side of the shell assembly along the vertical direction.
As shown in fig. 1 and fig. 2, the housing assembly includes a terminal outer sealing plate 7, a left inner supporting plate 8, an L-shaped outer sealing plate 9 for sealing the top and rear sides, a right inner supporting plate 10, a right outer sealing plate 11 and an insulating partition plate 12, wherein the left inner supporting plate 8 and the right inner supporting plate 10 are respectively disposed on the left and right sides of the four groups of aluminum alloy busbars 3; the terminal outer seal plate 7 is buckled and covered on the left inner support plate 8 and the end face of the bus body 1, and the right outer seal plate 11 is buckled and covered on the right inner support plate 10 which protects the aluminum alloy busbar 3 from the side extension part of the bus body 1; the insulating partition plate 12 is arranged at the bottom side of the whole shell assembly, the front side edge of the insulating partition plate is connected to the front edge of the lower side of the L-shaped outer sealing plate 9, the rear edge of the insulating partition plate is connected to the lower edge of the side face of the bus body 1, and the insulating partition plate 12 is provided with a through hole 120 for each group of starting end copper bars 4 to pass through.
As shown in fig. 1 and fig. 2, a plurality of groups of heat dissipation holes 13 distributed in a uniform rectangular array and used for heat dissipation and ventilation of a closed cavity formed by the housing assembly are further punched on the rear side surface of the L-shaped outer sealing plate 9, the lower edges of the heat dissipation holes 13 are flush with each other along the cut and are in a flat and long D shape, and the cut of the heat dissipation holes 13 extends upward and is integrated with the front side surface plate of the L-shaped outer sealing plate 9 into a whole structure.
Example two
As shown in fig. 4 and 5, the difference between this embodiment and the first embodiment is that the end of the busbar body 1 is uniformly opened at intervals along the width direction to form four sets of aluminum alloy busbars 3 with end faces in stepped staggered distribution, and four sets of starting end copper bars 4 on the corresponding conductor assembly are respectively overlapped with the copper-aluminum alloy clad sheet 5 and then connected to the outer end edge of each set of aluminum alloy busbars 3 and extend out from the lower side of the housing assembly along the vertical direction.
The shell assembly comprises a terminal outer sealing plate 14 positioned on the left side, two inner supporting plates 15 positioned on the front side and the rear side of the bus body 1 and used for supporting the right side of the shell, a top side outer sealing plate 16 used for sealing the top side, a front side supporting frame and an outer sealing plate 17 used for supporting the front side and sealing the front right side, a rear side supporting frame and an outer sealing plate 18 used for supporting the rear side and sealing the rear right side, and a plurality of groups of insulating clips 19 and insulating partition plates 12 which are positioned on the lower side of the top side outer sealing plate 16 and used for uniformly distributing the aluminum alloy bus 3 at intervals; the insulating partition 12 is disposed at the bottom side of the whole housing assembly, and the front and rear side edges are respectively received at the inner edges of the front supporting frame and the outer sealing plate 17 and the rear supporting frame and the outer sealing plate 18, and the insulating partition 12 is provided with a through hole 120 for each set of starting end copper bars 4 to pass through.
Continuing as shown in fig. 4 and 5, a plurality of groups of heat dissipation holes 13 which are distributed in a uniform rectangular array and used for heat dissipation and air exchange of a closed cavity formed by the shell assembly are respectively punched and arranged on the front side and the rear side of the front side supporting frame and the outer sealing plate 17 and the rear side supporting frame and the outer sealing plate 18, the lower edges of the heat dissipation holes 13 are flush with the notches to form a flat long D shape, and the notches of the heat dissipation holes 13 extend upwards to be integrated with the front side panel into a whole. The aluminum alloy busbar 3, the copper-aluminum alloy clad sheet 5 and the starting end copper bar 4 are combined in a layered overlapping manner and then are connected by six groups of bolts 6 and nuts which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
In the two embodiments, the copper-aluminum alloy clad sheet 5 adopts a copper-aluminum clad double-layer structure, an aluminum alloy layer on the outer side of the copper-aluminum alloy clad sheet 5 is directly attached to and contacted with the side surface of the aluminum alloy bus bar 3, and a copper alloy layer of the copper-aluminum alloy clad sheet 5 is directly attached to and contacted with the inner side surface of the starting end copper bar 4; the direct connection of copper and copper surfaces and alloy surfaces is realized, the normal connection with the bus duct body is achieved, the starting end copper bar 4 of the starting end section is reliably connected with the client side electric cabinet copper bar, and the direct connection type bus duct has the advantages of simple structure, high strength, good joint stability and improvement of the overcurrent capacity of the starting end section.
In the description of the present invention, it should be noted that the terms "front", "back", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
The above-mentioned embodiments are merely preferred embodiments of the present invention, and not intended to limit the scope of the utility model, and all equivalent changes in shape, structure and principle of the utility model should be covered by the protection scope of the present invention.
Claims (10)
1. The copper-aluminum alloy combined bus duct starting end section is suitable for connecting a transformer, a low-voltage power distribution cabinet, a generator or a cable, and is characterized by comprising a shell assembly, a conductor assembly, a bus body adopting an aluminum alloy conductor and a bus connecting end;
the bus connecting end is connected to one end of the bus body, and the conductor assembly connecting end is connected to the other end of the bus body and sealed by a shell assembly cover;
at least three groups of aluminum alloy busbars are arranged on the busbar body, and starting end copper bars which are in butt joint with each group of aluminum alloy busbars are arranged on the corresponding conductor assemblies;
a copper-aluminum alloy lamination sheet which is respectively attached to the inner side surfaces of each aluminum alloy bus bar and the corresponding start-end copper bar is arranged between the aluminum alloy bus bar and the corresponding butt joint surface of the start-end copper bar, the copper-aluminum alloy lamination sheet adopts a copper-aluminum lamination double-layer structure, an aluminum alloy layer on the outer side of the copper-aluminum alloy lamination sheet is directly attached to and contacted with the side surface of the aluminum alloy bus bar, and a copper alloy layer of the copper-aluminum alloy lamination sheet is directly attached to and contacted with the inner side surface of the start-end copper bar;
the aluminum alloy busbar, the copper-aluminum alloy covering sheet and the starting end copper bar of each group are superposed and combined in a layered manner and then are fixedly connected by at least one group of bolts and nuts penetrating through the sleeve.
2. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 1, which is characterized in that: the bus body extends to the side along the even spaced of length direction has four groups to be L shape, and the aluminum alloy that outer terminal surface parallel and level set up arranges, corresponds four group top copper bars on the conductor subassembly superpose respectively connect on every group aluminum alloy is female arranges and follow along vertical direction after the copper-aluminum alloy covers the piece the casing subassembly downside stretches out.
3. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 2, wherein: the shell assembly comprises a terminal outer sealing plate, a left side inner supporting plate, an L-shaped outer sealing plate for top side and rear side sealing covers, a right side inner supporting plate, a right side outer sealing plate and an insulating partition plate, wherein the left side inner supporting plate and the right side inner supporting plate are respectively arranged on the left side and the right side of the four groups of aluminum alloy busbars;
the terminal outer sealing plate is buckled and covered on the left inner supporting plate and the end face of the bus body, and the right outer sealing plate is buckled and covered on the right inner supporting plate which protects the aluminum alloy bus bar from the side extending part of the bus body;
the insulation partition plate is arranged on the bottom side of the whole shell assembly, the front side edge of the insulation partition plate is connected with the front edge of the lower side of the L-shaped outer sealing plate, the rear edge of the insulation partition plate is connected with the lower edge of the side face of the bus body, and the insulation partition plate is provided with a through hole for each group of head copper bars to pass through.
4. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 3, wherein: still die-cut the louvre that is provided with the even rectangle array distribution of multiunit, is used for the closed cavity heat dissipation of casing subassembly formation to take a breath on the trailing flank of L shape outer shrouding, the louvre is flat long D shape along the incision parallel and level down, and the louvre incision upwards extends and combines structure as an organic whole with the front side board of L shape outer shrouding.
5. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 2, wherein: the aluminum alloy busbar, the copper-aluminum alloy covering sheet and the starting end copper bar are combined in a laminated manner and then are connected by four groups of bolts and nuts which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
6. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 1, which is characterized in that: the thickness of the copper-aluminum alloy clad sheet is 1.0 mm.
7. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 1, which is characterized in that: the end of the bus body is opened at even intervals along the width direction to form four aluminum alloy busbars with end faces distributed in a step-shaped staggered manner, and the four groups of head copper bars on the conductor assembly are correspondingly overlapped respectively and then connected to the outer end edge of each aluminum alloy busbar and extended out of the lower side of the shell assembly along the vertical direction.
8. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 7, wherein: the shell assembly is a cuboid box body which is wrapped around the aluminum alloy bus and at the outer side end, and comprises a terminal outer sealing plate positioned on the left side, two inner supporting plates positioned on the front side and the rear side of the bus body and used for supporting the right side of the shell, a top side outer sealing plate used for top side sealing cover, a front side supporting frame and an outer sealing plate used for front side supporting and front right sealing cover, a rear side supporting frame and an outer sealing plate used for rear side supporting and rear right sealing cover, and a plurality of groups of insulating clips and insulating partition plates positioned on the lower side of the top side outer sealing plate and used for uniformly distributing the aluminum alloy bus at intervals;
the insulating partition plate is arranged at the bottom side of the whole shell assembly, the front side edge and the rear side edge of the insulating partition plate are respectively connected with the inner edges of the front side supporting frame, the outer sealing plate, the rear side supporting frame and the outer sealing plate, and the insulating partition plate is provided with a through hole for each group of initial end copper bars to pass through.
9. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 8, wherein: still die-cut the louvre that is provided with the even rectangle array of multiunit and distributes, is used for the closed cavity heat dissipation of casing subassembly formation to take a breath respectively on the front side carriage and the outer shrouding and the front and back side carriage and the outer shrouding, the louvre is flat long D shape along the incision parallel and level down, and the louvre incision upwards extends and the front side panel integrally combines structure into one.
10. The copper-aluminum alloy combined bus duct starting joint as claimed in claim 7, wherein: the aluminum alloy busbar, the copper-aluminum alloy covering sheet and the starting end copper bar are combined in a laminated manner and then are connected by six groups of bolts and nuts which are distributed in a uniform rectangular array in a penetrating and sleeving manner.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021209247236 | 2021-04-29 | ||
| CN202120924723 | 2021-04-29 |
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| Publication Number | Publication Date |
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| CN215580243U true CN215580243U (en) | 2022-01-18 |
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| CN202121113696.0U Active CN215580243U (en) | 2021-04-29 | 2021-05-21 | Copper-aluminum alloy combined bus duct initial end section |
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- 2021-05-21 CN CN202121113696.0U patent/CN215580243U/en active Active
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