CN112564005B

CN112564005B - Bus duct

Info

Publication number: CN112564005B
Application number: CN202011471759.XA
Authority: CN
Inventors: 杨永聪; 张军; 钟志聪; 许彦扬; 何通海; 万钦伟
Original assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Current assignee: Guangdong Power Grid Co Ltd; Huizhou Power Supply Bureau of Guangdong Power Grid Co Ltd
Priority date: 2020-12-14
Filing date: 2020-12-14
Publication date: 2022-01-18
Anticipated expiration: 2040-12-14
Also published as: CN112564005A

Abstract

The invention belongs to the technical field of power engineering equipment, and discloses a bus duct which comprises a shell, an insulator, a bus assembly and a limiting assembly, wherein the insulator is arranged in the shell, a groove is formed in the insulator along the length direction, the bus assembly is accommodated in the groove and extends through the shell, the bus assembly comprises a conductor and an insulating coating piece coated on the periphery of the conductor, the limiting assembly is detachably fixed at a port of the groove, and the limiting assembly is used for limiting the bus assembly in the groove. The insulating coating piece disclosed by the invention coats the conductor, so that the conductor is not interfered, the insulating coating piece is accommodated in the groove of the insulator, the insulating property is further improved, the reduction of the insulating property caused by the aging of the insulating coating piece is avoided, and the potential safety hazard is reduced.

Description

Bus duct

Technical Field

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

Background

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 dispersion system. Wire and cable have been increasingly replaced in indoor low voltage power transmission mains engineering projects.

Most of the existing bus ducts are insulated and isolated by insulating cables which are wrapped around the conductive bars, but the conductive bars can generate heat after being conductive, so that the insulating cables are aged, the insulating property is reduced, and great potential safety hazards are formed.

Disclosure of Invention

One object of the present invention is: the bus duct is provided, and the insulation performance and the installation reliability are improved.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a bus duct, includes casing, insulator, generating line subassembly and spacing subassembly, the insulator set up in the casing, the insulator is seted up flutedly along length direction, generating line subassembly hold in extend through in the recess the casing, generating line subassembly include the conductor and the cladding in the insulating cladding piece of conductor periphery, spacing subassembly can be dismantled and be fixed in the port of recess, spacing subassembly is used for injecing generating line subassembly in the recess.

As an optional technical solution, the bottom wall of the housing is provided with a heat dissipation air hole, and the heat dissipation air hole is communicated with the inside of the housing.

As an optional technical solution, the heat dissipation device further includes a fan, and the fan is disposed at the position, outside the bottom wall of the housing, where the heat dissipation air hole is formed.

As an optional technical solution, the bus bar further includes a port baffle, a receiving groove is formed in the port baffle, one end of the housing includes a first end plate, the port baffle is sleeved on one end of the housing having the first end plate, and the extending end of the bus bar assembly penetrates through the first end plate and the port baffle and is received in the receiving groove.

As an optional technical scheme, still include the screw, set up threaded hole on the first end plate, the bottom of screw hole sets up dodges the groove, the extension end of generating line subassembly hold in dodge the groove, screw threaded connection in threaded hole and general the extension end of generating line subassembly is restricted in dodge the inslot.

As an optional technical scheme, first terminal plate face the one side of holding tank is provided with the light.

As an optional technical solution, the bus bar assemblies are arranged in at least two groups, and a preset distance is arranged between the extending ends of adjacent bus bar assemblies.

As an optional technical scheme, the bus bar assembly structure further comprises a preset mark, and the preset mark and the bus bar assembly are arranged in a one-to-one correspondence mode.

As an optional technical scheme, the limiting assembly comprises a butt joint plate and a nut, the butt joint plate is sleeved on two opposite side walls of the groove and abutted to the bus assembly, and the nut detachably connects the butt joint plate to the side walls of the groove.

As an optional technical solution, the housing further includes a main body housing and a top plate, and the top plate is detachably connected to the main body housing.

The invention has the beneficial effects that:

the invention provides a bus duct which comprises a shell, an insulator, a bus assembly and a limiting assembly, wherein the bus assembly comprises a conductor for conducting electricity and an insulating coating piece for insulating and protecting the conductor, the insulating coating piece is coated on the periphery of the conductor, the insulating coating piece is accommodated in a groove of the insulator, the insulating property is further improved, the bus assembly is limited in the groove through the limiting assembly, and the phenomenon that poor installation is caused by the fact that the conductor and the insulating coating piece deviate when an external connecting piece is connected with the conductor is avoided.

Drawings

The invention is explained in further detail below with reference to the figures and examples;

fig. 1 is a top view of a bus duct according to the first embodiment;

FIG. 2 is a left side view of section A-A of FIG. 1;

FIG. 3 is a left side view of section B-B of FIG. 1;

fig. 4 is a front view of the bus duct according to the first embodiment;

fig. 5 is a top view of section C-C shown in fig. 4.

In fig. 1 to 5:

1. a housing; 11. a first end plate; 111. a threaded hole; 112. an avoidance groove; 12. a main body case; 121. heat dissipation air holes; 13. a top plate;

2. an insulator; 21. a groove;

3. a bus bar assembly; 31. a conductor; 32. an insulating covering member;

4. a limiting component; 41. a butt joint plate; 42. a nut;

5. a fan;

6. a port baffle; 61. accommodating grooves;

7. a screw;

8. an illuminating lamp.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. 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.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

The first embodiment is as follows:

as shown in fig. 1 and fig. 2, the present embodiment provides a bus duct, the bus duct includes a housing 1, an insulator 2, a bus bar assembly 3, and a limiting assembly 4, the insulator 2 is disposed in the housing 1, the insulator 2 is provided with a groove 21 along a length direction, the bus bar assembly 3 is accommodated in the groove 21 and extends through the housing 1, the bus bar assembly 3 includes a conductor 31 and an insulating covering 32 covering a periphery of the conductor 31, the limiting assembly 4 is detachably fixed to a port of the groove 21, and the limiting assembly 4 is used for limiting the bus bar assembly 3 in the groove 21. In this embodiment, the bus bar assemblies 3 and the insulators 2 are all provided in four groups, each group of bus bar assemblies 3 is respectively accommodated in the groove 21 of the insulator 2, the insulators 2 can further improve the insulating property between the bus bar assemblies 3, and the insulators 2 are made of ceramic materials. The limiting assembly 4 can limit the bus bar assembly 3 in the groove 21, and prevent the conductor 31 and the insulating coating member 32 from being deviated due to the fact that the conductor 31 is pulled by the external connecting member when the external connecting member is connected with the conductor 31.

In the present embodiment, the bottom wall of the housing 1 is provided with heat dissipation air holes 121, and the heat dissipation air holes 121 communicate with the inside of the housing 1. The inside electronic components of casing 1 and generating line subassembly 3 operation back production of heat set up heat dissipation gas pocket 121 can in time get rid of the outside of heat to casing 1 in the diapire of casing 1, and the inside liquid such as deposit water that need avoid of casing 1 consequently sets up heat dissipation gas pocket 121 and can also discharge the liquid such as the inside water of casing 1. Optionally, the fan 5 is disposed at the position of the heat dissipation air hole 121 on the outer side of the bottom wall of the housing 1, and the fan 5 can improve the dredging effect of the heat dissipation air hole 121 on heat and liquid.

As shown in fig. 3 to 5, in the present embodiment, the bus bar assembly further includes a port baffle 6, a receiving groove 61 is formed in the port baffle 6, one end of the housing 1 includes a first end plate 11, the port baffle 6 is sleeved on one end of the housing 1 having the first end plate 11, and the extending end of the bus bar assembly 3 penetrates through the first end plate 11 and the port baffle 6 and is received in the receiving groove 61. The external connecting piece is connected with conductor 31 in the holding groove 61 of port baffle 6, and port baffle 6 can block external acting force and directly act on the extension end of generating line subassembly 3 at the lateral part, guarantees conductor 31 and external connecting piece's stability of being connected.

In this embodiment, still include screw 7, threaded hole 111 has been seted up on first end plate 11, the bottom of threaded hole 111 sets up dodges groove 112, the extension end of generating line subassembly 3 is held in dodging groove 112, screw 7 threaded connection is in threaded hole 111 and is limited in dodging groove 112 with the extension end of generating line subassembly 3, when dismantling generating line subassembly 3, rotating screw 7, make screw 7 and first end plate 11 separate, after changing generating line subassembly 3, screw 7 screw in threaded hole 111 again, screw 7 supports and presses on insulating cladding piece 32, further improve the installation stability of insulating cladding piece 32 and conductor 31, insulating cladding piece 32 isolation screw 7, avoid screw 7 to support and press the surface of conductor 31, guarantee that insulating properties and conductor 31 surface are not damaged.

Preferably, first end plate 11 is provided with light 8 towards the one side of holding tank 61, all corresponds the setting on four groups of generating line subassemblies 3 and predetermines the sign, and the convenience distinguishes every group generating line subassembly 3 in the operational environment that light is not enough, with external connecting piece wiring mistake.

Preferably, set up to predetermineeing the distance between the extension end of adjacent generating line subassembly 3, set up for conductor 31 connects external connecting piece and dodge the space, make things convenient for operating personnel to install external connecting piece. The female interval that arranges that current bus duct connects is little, and unable direct connection wire sets up to predetermineeing the distance between the extension end of adjacent generating line subassembly 3, can set up for conductor 31 connects external connecting piece and dodge the space, and external connecting piece is the wire, makes things convenient for generating line subassembly 3 direct connection wire promptly.

As shown in fig. 2, in the present embodiment, the position limiting assembly 4 includes an abutting plate 41 and a nut 42, the abutting plate 41 is sleeved on two opposite sidewalls of the groove 21 and abuts against the bus bar assembly 3, and the nut 42 detachably connects the abutting plate 41 to the sidewalls of the groove 21. The bus bar assembly 3 can be replaced after the abutting plate 41 is detached, the abutting plate 41 is installed after the bus bar assembly 3 is replaced, the abutting plate 41 abuts against the insulating coating piece 32, the abutting plate 41 is isolated by the insulating coating piece 32, the abutting plate 41 is prevented from being pressed to the surface of the conductor 31, and the insulating performance and the surface of the conductor 31 are guaranteed against damage.

As shown in fig. 2, in this embodiment, the housing 1 further includes a main body case 12 and a top plate 13, and the top plate 13 is detachably connected to the main body case 12, so as to facilitate the assembly and disassembly of the bus bar assembly 3. The bus duct is extensive in high-rise residence community application, and mostly customizes according to the actual building structure of house, when the bus duct breaks down, can't change the bus duct, and is inefficient, and this embodiment sets up the bus duct into detachable construction, and the part to the trouble conveniently changes, can guarantee economic benefits, avoids simultaneously leading to long-time power failure because of can't changing the bus duct.

In the description herein, it is to be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings for convenience in description and simplicity of operation, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present invention. Furthermore, the terms "first" and "second" are used merely for descriptive purposes and are not intended to have any special meaning.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

In addition, the foregoing is only the preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.

Claims

1. The bus duct is characterized by comprising a shell, an insulator, a bus assembly and a limiting assembly, wherein the insulator is arranged in the shell, a groove is formed in the insulator along the length direction, the bus assembly is accommodated in the groove and extends through the shell, the bus assembly comprises a conductor and an insulating coating piece coated on the periphery of the conductor, the limiting assembly is detachably fixed at a port of the groove, and the limiting assembly is used for limiting the bus assembly in the groove;

the bus bar assembly is characterized by further comprising a port baffle, wherein a containing groove is formed in the port baffle, one end of the shell comprises a first end plate, the port baffle is sleeved at one end of the shell with the first end plate, and the extending end of the bus bar assembly penetrates through the first end plate and the port baffle and is contained in the containing groove;

still include the screw, set up threaded hole on the first end plate, the bottom of screw hole sets up dodges the groove, the extension end of generating line subassembly hold in dodge the groove, screw threaded connection in threaded hole and general the extension end of generating line subassembly is restricted in dodge the inslot.

2. The bus duct of claim 1, wherein a bottom wall of the housing is provided with a heat dissipation air hole, and the heat dissipation air hole is communicated with the inside of the housing.

3. The bus duct of claim 2, further comprising a fan disposed outside the bottom wall of the housing at the heat dissipation air hole.

4. The bus duct of claim 1, wherein a lighting lamp is disposed on a surface of the first end plate facing the accommodating groove.

5. The bus duct of claim 4, wherein the bus bar assemblies are arranged in at least two groups, and a predetermined distance is arranged between the extending ends of adjacent bus bar assemblies.

6. The bus duct of claim 5, further comprising a preset identifier, wherein the preset identifier is arranged in one-to-one correspondence with the bus bar assembly.

7. The bus duct of claim 1, wherein the limiting assembly comprises an abutting plate and a nut, the abutting plate is sleeved on two opposite side walls of the groove and abuts against the bus bar assembly, and the nut detachably connects the abutting plate to the side walls of the groove.

8. The bus duct of claim 1, wherein the housing further comprises a main body shell and a top plate, the top plate being removably connected to the main body shell.