CN110729689A

CN110729689A - Bus duct

Info

Publication number: CN110729689A
Application number: CN201911029083.6A
Authority: CN
Inventors: 杨建丰; 岳晓访; 武玉民; 施小玲; 黄创群
Original assignee: Guangdong Yingfengyuan Electromechanical Equipment Co Ltd
Current assignee: Guangdong Yingfengyuan Electromechanical Equipment Co Ltd
Priority date: 2019-10-28
Filing date: 2019-10-28
Publication date: 2020-01-24

Abstract

The invention discloses a bus duct, comprising: the inner side plate is arranged on the inner side plate; the main cover plate is provided with a main cover body, and two ends of the main cover body are bent into main cover folding edges; the inner cover plate is provided with an inner cover body, and two ends of the inner cover body are bent into inner cover folding edges; the middle side plate is provided with a middle side body, and two ends of the middle side body are bent into middle side folding edges; the inner side plate is provided with an inner side body, and two ends of the inner side body are bent into inner side folded edges; the main side plate is connected with the main cover hem; the middle side folded edge is connected with the main cover body; the inner side folded edge is connected with the middle side body; a heat insulation layer is filled between the middle side plate and the main side plate; a heat insulation layer is filled between the middle side plate and the inner side plate; a bus bar is arranged between the two inner side bodies; by applying the bus duct, the heat insulation capability of the bus duct can be effectively improved, and the over-high temperature of the bus bar is prevented.

Description

Bus duct

Technical Field

The invention relates to the field of power transmission equipment, in particular to a bus duct.

Background

With the development of society and the increase of high-rise buildings, the demand of electric energy is larger and larger, the transmission of high-power electric energy also adopts the bus duct to replace the traditional cable power supply mode more and more, the bus duct becomes an important device for transmitting electric energy in a power supply and distribution system, and the safety, reliability, environmental protection and material saving of the bus duct are important concerns of various manufacturers.

In order to ensure heat dissipation performance of the existing bus duct, only a single-layer fireproof layer is adopted around the bus, and heat dissipation holes are formed in the outer side of the bus duct; when a fire disaster happens to the outside, the heat of the outside can be rapidly conducted to the busbar in the bus duct, so that the busbar is rapidly heated, the busbar structure is deformed, and the insulation performance is reduced.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the bus duct provided by the invention can effectively improve the heat insulation performance and reduce the heating speed of an external heat source on the busbar in the bus duct.

According to an aspect of the present invention, there is provided a bus duct, comprising: the inner side plate is arranged on the inner side plate; the main cover plate is provided with a main cover body, and two ends of the main cover body are bent into main cover folding edges; the inner cover plate is provided with an inner cover body, and two ends of the inner cover body are bent into inner cover folding edges; the middle side plate is provided with a middle side body, and two ends of the middle side body are bent into middle side folding edges; the inner side plate is provided with an inner side body, and two ends of the inner side body are bent into inner side folded edges; the main side plate is connected with the main cover hem; the middle side folded edge is connected with the main cover body; the inner side folded edge is connected with the inner cover body; the inner cover folded edge is connected with the middle side body; a heat insulation layer is filled between the middle side plate and the main side plate; a heat insulation layer is filled between the middle side plate and the inner side plate; a busbar is arranged between the two inner side bodies.

Further, the busbar is arranged between the two inner cover bodies which are arranged in parallel.

Further, a heat insulation layer is filled between the inner cover body and the main cover body.

Further, the bus duct includes second bolt assembly, and two inboard bodies are worn to establish by second bolt assembly.

Furthermore, the second bolt assembly has two sets, and two sets of second bolt assemblies set up respectively with female both ends of arranging length direction.

Further, the heat insulating layer is an aluminum silicate fiber cotton layer.

Further, mica sheets are filled between the busbar and the inner side body.

Further, the busbar is provided with a plurality of busbars, and mica sheets are filled between every two adjacent busbars.

Further, the main cover flange is connected to the main side plate by a first bolt assembly.

Furthermore, two ends of the main cover body are bent into main cover folding edges relative to the same side of the main cover body; the two ends of the inner cover body are bent into inner cover folding edges relative to the same side of the inner cover body; the two ends of the middle side body are bent relative to the same side of the middle side body to form middle side folding edges; the two ends of the inner side body are bent into inner side folding edges relative to the same side of the inner side body.

By applying the bus duct, the heat insulation layer between the main side plates of the middle side plates and the heat insulation layer between the middle side plates and the inner side plates are protected when the bus duct is externally arranged, so that the speed of transferring heat of an external heat source to the bus duct is greatly reduced, and the heat insulation capability between the bus duct and the outside is effectively improved; further, main apron, interior plate, well curb plate and main curb plate have constituted double-deck containment structure jointly and have been used for holding female arranging, and support each other between the ectonexine, have effectively increased the shell intensity of bus duct.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic diagram of a bus duct according to an embodiment of the present invention.

The figures contain the following reference numerals:

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not 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 larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the 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.

Referring to fig. 1, a bus duct includes: the structure comprises a main cover plate 1, an inner cover plate 3, an inner side plate 6, a middle side plate 5 and a main side plate 4; the main cover plate 1 is provided with a main cover body 11, and two ends of the main cover body 11 are bent into main cover folding edges 12; the inner cover plate 3 is provided with an inner cover body 31, and two ends of the inner cover body 31 are bent into inner cover folding edges 32; the middle side plate 5 is provided with a middle side body 51, and two ends of the middle side body 51 are bent to form middle side folding edges 52; the inner side plate 6 has an inner side body 61, and both ends of the inner side body 61 are bent into inner side folded edges 62; the main side plate 4 is connected with the main cover folding edge 12; the middle side folded edge 52 is connected with the main cover body 11; the inner lid fold 62 is connected with the inner lid body 31; the inner lid flange 32 is connected to the middle body 51; a heat insulation layer 9 is filled between the middle side plate 5 and the main side plate 4; a heat insulation layer 9 is filled between the middle side plate 5 and the inner side plate 6; a busbar 7 is arranged between the two inner side bodies 61.

By applying the bus duct, the heat insulation layer 9 between the main side plates 4 of the middle side plates 5 and the heat insulation layer 9 between the middle side plates 5 and the inner side plates 6 are protected at the same time outside the bus bar 7, so that the speed of transferring heat of an external heat source to the bus bar 7 is greatly reduced, and the heat insulation capability between the bus bar 7 and the outside is effectively realized; further, main apron 1, interior apron 3, interior side panel 6, well curb plate 5 and main curb plate 4 have constituted double-deck containment structure jointly and have been used for holding female 7 arranging, and support each other between the ectonexine, have effectively increased the shell intensity of bus duct.

Further, female 7 that arranges sets up between two parallel arrangement's inner cup body 31 for inner cup body 31 holds female accommodation space who arranges 7 with inboard body 61 common wall, further guarantees female thermal-insulated effect of arranging two side insulating layers 9 of 7 both sides.

In order to further enhance the heat insulation effect on the busbar 7, a heat insulation layer 9 may be filled between the inner cover body 31 and the main cover body 11 to increase the heat insulation effect at both ends of the busbar 7 in the length direction.

In order to ensure the structural stability of the inner side bodies 61 and prevent the inner side bodies 61 from being deformed by the extrusion of the busbar 7, the second bolt assemblies 10 may be inserted into the two inner side bodies 61 to fix the two inner side bodies 61.

In order to prevent the deformation of the inner body 61 caused by the extra bending moment generated by the individual bolt assemblies, two sets of second bolt assemblies 10 may be disposed at two ends of the busbar 7 in the length direction.

In order to ensure the heat insulation effect of the heat insulation layer 9 and improve the fire resistance of the heat insulation layer 9, an aluminum silicate fiber cotton layer can be selected as the heat insulation layer 9.

In order to prevent the bus bar 7 from colliding with the inner side plate 6 and ensure the heat insulation effect between the inner side plate 6 and the bus bar 7, mica sheets 8 can be filled between the inner side body 61 and the bus bar 7.

Further, the busbar 7 is provided with a plurality of busbars, and mica sheets 8 are filled between every two adjacent busbars 7.

To facilitate the fixing of the main cover flange 12 and the main side plate 4, the main cover flange 12 is connected to the main side plate 4 by the first bolt assembly 2.

Furthermore, two ends of the main cover body 11 are bent into main cover folding edges 12 opposite to the same side of the main cover body 11; and/or both ends of the inner lid body 31 are bent into inner lid flaps 32 on the same side of the inner lid body 31; and/or both ends of the middle body 51 are bent into middle folding edges 52 relative to the same side of the middle body 51; and/or both ends of the inner body 61 are bent into inner folded edges 62 on the same side of the inner body 61.

Because the two ends of the inner side plate 6 of the main cover plate 1, the inner cover plate 3 and the middle side plate 5 are respectively provided with a folded edge which is bent towards the same side of the body, namely the main cover plate 1, the inner cover plate 3, the middle side plate 5 and the inner side plate 6 are in a [ -shape, the [ -shaped main cover plate 1, the inner cover plate 3, the middle side plate 5 and the inner side plate 6 can be obtained only by bending the flat plate once in the production process; the production speed is greatly improved when the requirements of the die are reduced.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A bus duct, comprising: the inner side plate comprises a main cover plate (1), an inner cover plate (3), an inner side plate (6), a middle side plate (5) and a main side plate (4); the main cover plate (1) is provided with a main cover body (11), and two ends of the main cover body (11) are bent into main cover folding edges (12); the inner cover plate (3) is provided with an inner cover body (31), and two ends of the inner cover body (31) are bent into inner cover folding edges (32); the middle side plate (5) is provided with a middle side body (51), and two ends of the middle side body (51) are bent into middle side folding edges (52); the inner side plate (6) is provided with an inner side body (61), and two ends of the inner side body (61) are bent to form inner side folded edges (62); the main side plate (4) is connected with the main cover folding edge (12); the middle side folded edge (52) is connected with the main cover body (11); the inner side folded edge (62) is connected with the inner cover body (31); the inner cover folded edge (32) is connected with the middle side body (51); a heat insulation layer (9) is filled between the middle side plate (5) and the main side plate (4); a heat insulation layer (9) is filled between the middle side plate (5) and the inner side plate (6); a busbar (7) is arranged between the two inner side bodies (61).

2. The bus duct according to claim 1, characterized in that the busbar (7) is arranged between two parallel arranged inner cover bodies (31).

3. The bus duct according to claim 2, characterized in that a thermal insulation layer (9) is filled between the inner cover body (31) and the main cover body (11).

4. The bus duct according to claim 2, characterized by comprising a second bolt assembly (10), wherein the second bolt assembly (10) penetrates through two inner side bodies (61).

5. The bus duct according to claim 4, characterized in that the second bolt assemblies (10) have two groups, and the two groups of second bolt assemblies (10) are respectively arranged at two ends of the bus bar (7) in the length direction.

6. The bus duct of claim 1, wherein the thermal insulation layer (9) is an aluminum silicate fiber cotton layer.

7. The bus duct according to claim 1, characterized in that a mica sheet (8) is filled between the busbar (7) and the inner body (61).

8. The bus duct according to claim 7, characterized in that the bus bars (7) are provided with a plurality of bus bars, and mica sheets (8) are filled between every two adjacent bus bars (7).

9. The bus duct of claim 1, characterized in that the main cover flange (12) is connected with the main side plate (4) by a first bolt assembly (2).

10. The bus duct according to claim 1, characterized in that both ends of the main cover body (11) are bent into main cover flanges (12) with respect to the same side of the main cover body (11); the two ends of the inner cover body (31) are bent into inner cover folding edges (32) relative to the same side of the inner cover body (31); and both ends of the middle body (51) are bent to form middle folding edges (52) relative to the same side of the middle body (51); the two ends of the inner side body (61) are bent into inner side folding edges (62) relative to the same side of the inner side body (61).