Busbar installation structure of power distribution cabinet

Abstract

The utility model discloses a bus bar installation structure of a power distribution cabinet, the power distribution cabinet comprises a cabinet body, the cabinet body is internally divided into a function chamber, a horizontal bus bar chamber and a vertical bus bar chamber, the horizontal bus bar chamber is internally provided with a horizontal bus bar, and the vertical bus bar chamber is provided with a vertical bus bar. The busbar installation structure comprises a plurality of busbar fixing clamps installed in the busbar chambers respectively, each busbar fixing clamp is composed of a first busbar clamp body and a second busbar clamp body which are connected through a bolt, each busbar fixing clamp is provided with a placement groove, an opening is formed in the upper end of the horizontal busbar chamber, and a top cover used for sealing the opening is installed at the opening. And one side of the top cover is rotationally connected with the cabinet body. According to the utility model, the opening of the horizontal busbar chamber is rotatably connected with the top cover, the first busbar clamp body can be fixed in the horizontal busbar chamber, and after the horizontal busbar is clamped in the opening of the first busbar clamp body, the second busbar clamp body and the first busbar clamp body are clamped and fixed together through the bolt. And the horizontal busbar can be conveniently installed in the horizontal busbar chamber.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power distribution cabinet, concretely relates to a busbar row mounting structure of power distribution cabinet. BACKGROUND

[0002] The power distribution cabinet refers to the power system generation, transmission, distribution, electric energy conversion and consumption in the role of on-off, control or protection. Mainly suitable for power plants, substation, petrochemical, metallurgical rolling, light textile, factory, mine enterprise and residential area, high-rise building and various different occasions. At present, the power distribution cabinet generally includes the cabinet body, the horizontal busbar row installed in the cabinet body at the top and the vertical busbar row below the horizontal busbar; in the existing installation process, the installation of horizontal busbar row usually adopts the mode of inserting from the side into the cabinet body. In this process, due to the heavy characteristics of the horizontal busbar row itself, combined with the need for accurate alignment of the connecting point in the cabinet body, the whole insertion process becomes complex and tedious. In addition, a larger space is needed when inserting and installing, and when the power distribution room space is relatively small, the installation work may not be completed smoothly. SUMMARY

[0003] Therefore, aiming at the above problems, the utility model provides a busbar row mounting structure of power distribution cabinet.

[0004] The utility model discloses a busbar row mounting structure of power distribution cabinet, which can realize the installation of horizontal busbar row and vertical busbar row in the cabinet body through the horizontal busbar row and vertical busbar row in the cabinet body, and the horizontal busbar row and vertical busbar row are connected through the busbar row mounting structure, so that the installation of horizontal busbar row and vertical busbar row is facilitated, and the installation process is simplified.

[0005] A busbar row mounting structure of power distribution cabinet, the power distribution cabinet includes a cabinet body, the cabinet body is divided into a function room, a horizontal busbar room located above the function room and a vertical busbar room located at the right rear of the function room by a baffle, the vertical busbar room communicates with the horizontal busbar room, the horizontal busbar room is provided with a horizontal busbar row, and the vertical busbar room is provided with a vertical busbar row connected with the corresponding horizontal busbar row, the busbar row mounting structure includes a plurality of busbar fixed clamps installed in the horizontal busbar room and the vertical busbar room respectively, the busbar fixed clamp is composed of a first busbar clamp body and a second busbar clamp body connected by bolts, a plurality of openings are formed on the first busbar clamp body and the second busbar clamp body opposite to each other, a mounting groove is formed between the opening on the first busbar clamp body and the corresponding opening on the second busbar clamp body when the two busbar clamp bodies are connected together, and each busbar row is clamped in the corresponding mounting groove, the first busbar clamp body and the second busbar clamp body are both made of hard plastic, wherein the upper end of the horizontal busbar room is open, a top cover for closing the opening is installed at the opening, and one side of the top cover is rotationally connected with the cabinet body.

[0006] The technical scheme is adopted, the top cover is rotatably connected at the opening of the horizontal busbar chamber, the top cover can be rotatably opened relative to the cabinet body, the first busbar clamp body can be fixed in the horizontal busbar chamber first, then the horizontal busbar clamp is clamped into the opening of the first busbar clamp body, then the second busbar clamp body is clamped with the first busbar clamp body and fixed together through bolts, so that the horizontal busbar can be conveniently installed in the horizontal busbar chamber, thereby bringing convenience to the installer, then the first busbar clamp body is fixed in the vertical busbar chamber, the vertical busbar clamp is clamped into the opening of the first busbar clamp body, the second busbar clamp body is clamped with the first busbar clamp body and fixed together through bolts, and assembly is convenient.

[0007] In the specific embodiment of the utility model: the functional chamber is divided into four switch chambers by multiple partitions, a frame circuit breaker is installed in each switch chamber, the frame circuit breaker comprises a circuit breaker main body, an operation panel located on the front end face of the circuit breaker main body and extending out of the front side face of the corresponding switch chamber, a wiring terminal assembly for connecting with a busbar is arranged on the rear end face of the circuit breaker main body, and a line terminal assembly for connecting with a load is arranged on the rear end face of the circuit breaker main body, and all the wiring terminal assemblies for connecting with the busbar are electrically connected with the vertical busbar.

[0008] In the specific embodiment of the utility model: the multiple horizontal busbars and vertical busbars are respectively used as A poles, B poles, C poles and N poles, the four poles of the vertical busbar are connected with the four poles of the horizontal busbar in correspondence, the wiring terminal assembly comprises a pole-in line terminal, a pole-in line terminal and a pole-in line terminal, each a pole-in line terminal is connected with the A pole of the vertical busbar through a first conductor, each b pole-in line terminal is connected with the B pole of the vertical busbar through a second conductor, and each c pole-in line terminal is connected with the C pole of the vertical busbar through a third conductor, and the N pole of the vertical busbar is connected with a fourth conductor extending into the switch chamber at a position corresponding to each switch chamber.

[0009] In the specific embodiment of the utility model: the first conductor comprises a first connecting plate, a first front vertical plate and a rear vertical plate connected to the left and right side edges of the first connecting plate, and a first right side plate connected to the rear edge of the rear vertical plate; the second conductor comprises a second connecting plate, a second front vertical plate and a first inclined plate connected to the left and right side edges of the second connecting plate, and a second right side plate connected to the rear edge of the first inclined plate; the third conductor comprises a third connecting plate, a third front vertical plate connected to the left and right side edges of the third connecting plate, and a third right side plate connected to the front edge of the right third front vertical plate; and the fourth conductor comprises a fourth connecting plate and a second inclined plate connected to the left edge of the fourth connecting plate, and a safety baffle is arranged behind the first connecting plate in each switch chamber.

[0010] In the specific embodiment of the utility model, the first conductor, the second conductor, the third conductor and the fourth conductor are all made of copper material.

[0011] In conclusion, in the utility model, the top cover is rotatably connected at the open part of the horizontal busbar chamber, so that the top cover can be rotatably opened relative to the cabinet body, the first busbar clamp body can be fixed in the horizontal busbar chamber first, then the horizontal busbar is clamped into the opening of the first busbar clamp body, then the second busbar clamp body is clamped with the first busbar clamp body and fixed together through bolts, so that the horizontal busbar can be conveniently installed in the horizontal busbar chamber, thereby bringing convenience to the installer, then the corresponding first busbar clamp body is fixed in the vertical busbar chamber, the vertical busbar is clamped into the opening of the first busbar clamp body, the second busbar clamp body is clamped with the first busbar clamp body and fixed together through bolts, and the assembly is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described below in combination with the drawings.

[0013] Figure 1 It is the structure schematic diagram of the busbar installation structure of the power distribution cabinet of the utility model;

[0014] Figure 2 It is the structure schematic diagram of the busbar fixing clamp of the utility model;

[0015] Figure 3 It is shown that the frame circuit breaker is electrically connected with the vertical busbar;

[0016] Figure 4 It is Figure 3 the plan view;

[0017] Figure 5 It is Figure 3 the enlarged view of A in the utility model. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3As shown, the utility model is a kind of busbar installation structure of switch board, switch board includes cabinet 10, cabinet 10 is divided into function room 20 by baffle, horizontal busbar room 42 located above function room 20 and vertical busbar room 41 located at the right rear portion of function room.The vertical busbar room 41 is communicated with horizontal busbar room 42.In horizontal busbar room 42, there is horizontal busbar, and vertical busbar is provided with vertical busbar corresponding to the horizontal busbar connection.Busbar installation structure includes multiple busbar fixed clamps 421 respectively installed in horizontal busbar room and vertical busbar room.Busbar fixed clamps 421 are composed of first busbar clamp body 4211 and second busbar clamp body 4212 connected by bolt.In which, multiple openings are opened on the first busbar clamp body 4211 and the second busbar clamp body 4212 opposite each other, when two busbar clamp bodies are connected together, the opening on the first busbar clamp body and the corresponding opening on the second busbar clamp body form a mounting groove 4213.Each busbar is clamped in the corresponding mounting groove 4213.The upper end of horizontal busbar room 42 is open 422, and the top cover 423 for closing the opening is installed at the opening 422, and one side of the top cover is rotatably connected with the cabinet 10.

[0020] In the embodiment, the first busbar clamp body 4211 and the second busbar clamp body 4212 are both made of hard plastic.

[0021] As shown in Figure 1 and Figure 3 In the embodiment, the function room 20 is divided into four switch rooms 22 by multiple partitions 21.Each switch room 22 is provided with a frame circuit breaker 23.Each frame circuit breaker 23 is fixed to the front of the corresponding partition 21.The frame circuit breaker 23 is a Schneider MT08H1b / 3P frame circuit breaker.In this way, the overall space of the switch room can be relatively small, and the overall equipment space can be saved.

[0022] As shown in Figure 1 and Figure 3 In the embodiment, the frame circuit breaker 23 includes a circuit breaker body 231, an operation panel 232 located on the front end face of the circuit breaker body and extending out of the front side face of the corresponding switch room 22.On the upper side of the rear end face of the circuit breaker body 231, there is a wiring terminal assembly 233 for connecting with the busbar, and on the lower side, there is an outgoing terminal assembly 234 for connecting with the load.Each wiring terminal assembly 233 is electrically connected with the vertical busbar.

[0023] As shown in Figure 1 In the embodiment, the multiple horizontal busbars and vertical busbars are respectively A pole 46, B pole 45, C pole 44 and N pole 47.The four poles of the vertical busbar are connected with the four poles of the horizontal busbar.

[0024] As shown in Figure 3 , Figure 4 andFigure 5 As shown, in this embodiment, each terminal assembly 233 includes an a-pole input terminal 2333, a b-pole input terminal 2332, and a c-pole input terminal 2331. Each a-pole input terminal 2333 is connected to the A-pole 46 of the vertical busbar via a corresponding first conductor 26. Each b-pole input terminal 2332 is connected to the B-pole 45 of the vertical busbar via a corresponding second conductor 25. Each c-pole input terminal 2331 is connected to the C-pole 44 of the vertical busbar via a third conductor 24. Furthermore, a fourth conductor 27 extending into the switch chamber 22 is connected to the N-pole 47 of the vertical busbar at a position corresponding to each switch chamber 22.

[0025] In addition, in this embodiment, each output terminal assembly 234 includes an a-pole output terminal 2343, a b-pole output terminal 2342, and a c-pole output terminal 2341.

[0026] like Figure 3 , Figure 4 and Figure 5 As shown, in this embodiment, the first conductor 26 includes a first connecting plate 261, a first front vertical plate 262 and a rear vertical plate 263 connected to the left and right edges of the first connecting plate 261, and a first right side plate 264 connected to the rear edge of the rear vertical plate 263. The first front vertical plate 262 is connected to the corresponding a-pole input terminal 2333, and the first right side plate 264 is connected to the A-pole 46 of the vertical busbar. The second conductor 25 includes a second connecting plate 251, a second front vertical plate 252 and a first inclined plate 253 connected to the left and right edges of the second connecting plate, and a second right side plate 254 connected to the rear edge of the first inclined plate 253. The second front vertical plate 252 is connected to the b-pole input terminal 2332, and the second right side plate 254 is connected to the B-pole 45 of the vertical busbar. The third conductor 24 includes a third connecting plate 241, a third front vertical plate 242 connected to the left and right edges of the third connecting plate 241, and a third right side plate 243 connected to the front edge of the right third front vertical plate 242. The left third front vertical plate 242 is connected to the corresponding C-pole incoming terminal 2331, and the third right side plate 243 is connected to the C-pole 44 of the vertical busbar. The fourth conductor 27 includes a fourth connecting plate 271 and a second inclined plate 272 connected to the left edge of the fourth connecting plate 271. A safety baffle 29 is provided behind the first connecting plate 261 in each switch chamber.

[0027] In this embodiment, the first conductor 26, the second conductor 25, the third conductor 24, and the fourth conductor 27 are all made of copper.

[0028] like Figure 1 and Figure 3As shown, the upper part of the functional chamber 20 is provided with a wiring chamber 28 separated by a layer plate 201. The wiring chamber 28 is communicated with the horizontal busbar chamber 42. The front end face of each switch chamber 22 is provided with a front cabinet door 221, and the rear end face is provided with a horizontal insulation plate 205. The rear part of the vertical busbar chamber 41 is provided with a vertical metal plate 209. Here, all the horizontal insulation plates 205 and the vertical metal plates 209 separate the rear part of the functional chamber 20 into a cable chamber 206. The rear part of the cable chamber 206 is provided with a rear cabinet door 103.

[0029] The bottom part of the functional chamber 20 is divided by the lowermost partition plate 21 into an air duct 207 communicated with the vertical busbar chamber 41 and the cable chamber, and the front part of the air duct 207 is provided with a first panel 202. The front part of the wiring chamber 28 is provided with a second panel 203. The lower part of the rear cabinet door 103 and the first panel 202 are provided with a first air hole 204. The upper part of the rear cabinet door 103, the second panel 203, and the upper part of the horizontal busbar chamber 42 are provided with a second air hole 208. In this way, fresh air enters the air duct from the first air hole 204, is discharged from the second air hole 208 through the vertical busbar chamber 41 and the horizontal busbar chamber 42, and effectively transfers the heat generated by the copper bars from the cabinet body by exchanging air with the vertical busbar chamber 41 and the horizontal busbar chamber 42, thereby achieving cooling.

[0030] In summary, in the utility model, the top cover is rotatably connected at the opening of the horizontal busbar chamber, so that the top cover can be rotatably opened relative to the cabinet body. The first busbar clamp body can be first fixed in the horizontal busbar chamber, then the horizontal busbar clamp is clamped into the opening of the first busbar clamp body, then the second busbar clamp body is clamped with the first busbar clamp body and fixed together by bolts, so that the horizontal busbar clamp can be conveniently installed in the horizontal busbar chamber, thereby bringing convenience to the installer. Then, the corresponding first busbar clamp body is fixed in the vertical busbar chamber, the vertical busbar clamp is clamped into the opening of the first busbar clamp body, the second busbar clamp body is clamped with the first busbar clamp body and fixed together by bolts, and the assembly is convenient.

[0031] The above describes one embodiment of the utility model in detail, but the content described is only a preferred embodiment of the utility model and cannot be considered as limiting the implementation range of the utility model. Any equivalent changes and improvements made within the scope of the utility model application should still belong to the patent coverage range of the utility model.

Claims

1. A busbar installation structure of a power distribution cabinet, the power distribution cabinet comprising a cabinet body, the cabinet body being divided into a function room, a horizontal busbar room located above the function room and a vertical busbar room located at the right rear of the function room by a baffle, the vertical busbar room being communicated with the horizontal busbar room, the horizontal busbar room being provided with a horizontal busbar, and the vertical busbar room being provided with a vertical busbar connected with the corresponding horizontal busbar, characterized in that, The busbar mounting structure comprises a plurality of busbar fixing clamps respectively mounted in the horizontal busbar chamber and the vertical busbar chamber, each of the busbar fixing clamps is composed of a first busbar clamp body and a second busbar clamp body connected by bolts, a plurality of openings are oppositely formed on the first busbar clamp body and the second busbar clamp body, a mounting groove is formed between the openings on the first busbar clamp body and the corresponding openings on the second busbar clamp body when the two busbar clamp bodies are connected together, and each busbar is clamped in the corresponding mounting groove, and the first busbar clamp body and the second busbar clamp body are both made of hard plastic, wherein the upper end of the horizontal busbar chamber is open, and a top cover for closing the opening is mounted at the opening, and one side of the top cover is rotatably connected with the cabinet body.

2. The busbar mounting structure of the power distribution cabinet according to claim 1, characterized in that, The functional chamber is divided into four switch chambers by a plurality of partitions, and a frame circuit breaker is mounted in each of the switch chambers, the frame circuit breaker comprises a circuit breaker body, an operation panel located on the front end face of the circuit breaker body and extending out of the front side face of the corresponding switch chamber, and a wiring terminal assembly for connecting with the busbar and an outgoing terminal assembly for connecting with the load, and all the wiring terminal assemblies for connecting with the busbar are electrically connected with the vertical busbar.

3. The busbar mounting structure of the power distribution cabinet according to claim 2, characterized in that, The plurality of horizontal busbars and vertical busbars are respectively used as A, B, C and N poles, the four poles of the vertical busbar are connected with the four poles of the horizontal busbar in correspondence, the wiring terminal assembly comprises an a-phase incoming terminal, a b-phase incoming terminal and a c-phase incoming terminal, each of the a-phase incoming terminals is connected with the A pole of the vertical busbar through a first conductor, each of the b-phase incoming terminals is connected with the B pole of the vertical busbar through a second conductor, and each of the c-phase incoming terminals is connected with the C pole of the vertical busbar through a third conductor, and a fourth conductor extending into the switch chamber is connected to the N pole of the vertical busbar at a position corresponding to each of the switch chambers.

4. The busbar mounting structure of the switchboard according to claim 3, characterized by, The first conductor comprises a first connecting plate, first front and rear vertical plates connected to the left and right side edges of the first connecting plate, and a first right side plate connected to the rear edge of the rear vertical plate; the second conductor comprises a second connecting plate, a second front vertical plate and a first inclined plate connected to the left and right side edges of the second connecting plate, and a second right side plate connected to the rear edge of the first inclined plate; the third conductor comprises a third connecting plate, a third front vertical plate connected to the left and right side edges of the third connecting plate, and a third right side plate connected to the front edge of the right third front vertical plate; and the fourth conductor comprises a fourth connecting plate and a second inclined plate connected to the left edge of the fourth connecting plate, and a safety baffle is arranged behind the first connecting plate in each of the switch chambers.

5. The busbar mounting structure of the switchboard according to claim 4, characterized in that, The first conductor, the second conductor, the third conductor and the fourth conductor are all made of copper material.

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