CN219535401U - Bus-bar chamber capable of rapidly radiating and low-voltage power distribution cabinet with same - Google Patents

Abstract

The utility model discloses a bus room capable of rapidly radiating and a low-voltage power distribution cabinet with the bus room.

Description

Bus-bar chamber capable of rapidly radiating and low-voltage power distribution cabinet with same

Technical Field

The utility model relates to the technical field of low-voltage power distribution cabinets, in particular to a bus-bar chamber capable of rapidly radiating heat and a low-voltage power distribution cabinet with the bus-bar chamber.

Background

Each functional room in the low-voltage power distribution cabinet is mutual isolation, and is divided into functional unit room, bus-bar room, cable room, and wherein the bus-bar room can strengthen the ability of generating line anti-electrodynamic force.

In the running process of the power distribution cabinet, the current conveyed in the bus chamber can be large, the excessive current can cause the bus terminal to generate heat seriously, the long-time temperature is too high, the bus terminal can be aged, and the fire disaster can be caused when the excessive current is severe.

In order to reduce the heat in the bus bar chamber, in the prior art, a shutter or a ventilation groove is usually arranged on the side wall of the bus bar chamber, so that the interior of the bus bar chamber can be ventilated with the exterior, thereby reducing the temperature in the bus bar chamber, but the heat dissipation effect on the bus bar end row is weaker, and the heat dissipation efficiency is low.

Disclosure of Invention

The utility model aims to solve the technical problems of weaker heat dissipation effect and low heat dissipation efficiency of an internal bus-bar end row in a bus-bar chamber, and provides a bus-bar chamber capable of rapidly dissipating heat, a low-voltage power distribution cabinet with the bus-bar chamber, the heat dissipation area of the bus-bar end row is increased, and the heat dissipation efficiency is high.

The utility model solves the technical problems, and adopts the following technical scheme: the utility model provides a quick radiating bus-bar room, includes the cavity body that both sides all have the wind groove, and the inside both sides of cavity body are equipped with the through-hole that supplies the main busbar to penetrate, are equipped with a plurality of busbar end rows that are located main busbar below in the cavity body, and main busbar passes through vertical branch busbar and is connected with busbar end row electricity, this internal buckled plate that is equipped with of cavity, busbar end row fix on the peak of buckled plate, form the heat dissipation passageway between busbar end row and the concave part of buckled plate, the both ends of heat dissipation passageway correspond the wind groove of both sides respectively, are equipped with a plurality of increase heat dissipation area's heat dissipation groove on the busbar end row.

As a further optimization of the rapid heat dissipation bus room, the rear side of the corrugated plate is provided with a plurality of fixing rods, and two ends of each fixing rod are respectively connected with two sides of the inside of the chamber body.

As a further optimization of the bus-bar chamber for rapid heat dissipation, the heat dissipation grooves are regular holes, special-shaped holes or groove-shaped.

As a further optimization of the bus bar chamber for rapid heat dissipation, the aperture ratio of the bus bar end row is 25% -45%.

As a further optimization of the rapid heat dissipation bus bar chamber, the corrugated plate is the inner side wall of the chamber body.

As a further optimization of the rapid heat dissipation bus room, the upper ends of the corrugated plates extend towards the top wall of the chamber body, and gaps exist between the vertical branch buses and the corrugated plates.

As a further optimization of the rapid heat dissipation busbar chamber of the present utility model, the gap is not less than 1 cm.

As a further optimization of the rapid heat dissipation bus bar chamber, the peaks of the corrugated plates are arc-shaped, triangular or trapezoidal.

As a further optimization of the rapid heat dissipation bus bar chamber, the ratio of the depth to the width of the concave parts of the corrugated plates is 1:2-3.

The utility model provides a low-voltage distribution cabinet, includes the electric cabinet body and sets up the bus-bar room in the inside upper end of electric cabinet body, the bus-bar room is above-mentioned bus-bar room.

The utility model has the following beneficial effects: according to the utility model, the corrugated plate is arranged in the cavity body, and the busbar end row is fixed on the corrugated plate, so that the busbar end row and the corrugated plate generate heat dissipation channels, the heat dissipation area of the busbar end row is increased through the heat dissipation channels, the heat dissipation effect is improved, meanwhile, the two ends of the heat dissipation channels correspond to air grooves for air inlet at two sides of the cavity body, and after outside air enters the cavity body, heat in the heat dissipation channels can be taken away rapidly through air guide of the heat dissipation channels, so that the heat dissipation efficiency of the busbar end row is improved.

Drawings

FIG. 1 is a schematic view showing the structure of a bus bar compartment of embodiment 1;

FIG. 2 is a schematic cross-sectional structure of the bus bar compartment of example 1;

reference numerals: 1. the chamber body, 2, main busbar, 3, vertical branch busbar, 4, busbar end row, 5, buckled plate, 6, radiating groove, 7, wind groove, 8, heat dissipation passageway.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

As shown in fig. 1-2, this embodiment provides a bus bar room with rapid heat dissipation, and the same as the prior art is: through holes for penetrating the main bus 2 are formed in two sides of the inside of the cavity body 1, a plurality of bus end rows 4 positioned below the main bus 2 are arranged in the cavity body 1, and the main bus 2 is electrically connected with the bus end rows 4 through vertical branch buses 3. Simultaneously, the two sides of the chamber body 1 are provided with air grooves 7 communicated with the outside, the air grooves 7 are strip-shaped long holes, and external air can enter the chamber body 1 through the air grooves 7, so that ventilation is generated inside the chamber body 1, and internal cooling is performed.

The difference between this embodiment and the prior art is that: the cavity body 1 is internally provided with the corrugated plate 5, the corrugated plate 5 is a plate with wave grooves on the existing surface, the bus end row 4 is fixed on the peak of the corrugated plate 5, the peak of the corrugated plate 5 is arc-shaped, triangle-shaped or trapezoid in the embodiment, a heat dissipation channel 8 is formed between the bus end row 4 and the concave part of the corrugated plate 5, the ratio of the depth to the width of the concave part of the corrugated plate 5 is 1:2-3, the embodiment is preferably 1:3, two ends of the heat dissipation channel 8 respectively correspond to the wind grooves 7 on two sides, the concave part of the corrugated plate 5 enables the back side plate surface of the bus end row 4 to be exposed in the air, the heat dissipation area of the corrugated plate 5 is improved, meanwhile, after the outside air enters the cavity body 1 through the wind grooves 7, the heat dissipation channel 8 corresponds to the wind grooves 7, the air can enter the heat dissipation channel 8, the whole heat dissipation channel 8 is guided through the heat dissipation channel 8, the air flows through the whole heat dissipation channel 8, thereby heat in the heat dissipation channel 8 is carried out in the flowing process, the bus end row 4 can be cooled down in a targeted manner, and the cooling efficiency is improved.

The corrugated plate 5 in this embodiment is fixed in two ways, one is that the corrugated plate 5 is directly arranged on the inner side wall of the chamber body 1, and the other is that a plurality of fixing rods are arranged on the rear side of the corrugated plate 5, and two ends of each fixing rod are respectively connected with two sides of the inner part of the chamber body 1, so that the corrugated plate 5 is fixed.

In this embodiment, in order to take account of heat dissipation of the vertical branch bus 3, the upper end of the corrugated plate 5 is extended toward the top wall of the chamber body 1, so that a gap exists between the vertical branch bus 3 and the corrugated plate 5. When outside air flows through the grooves of the corrugated plates 5 in a guiding manner, heat generated near the vertical branch buses 3 is taken away by passing wind energy, and in order to improve heat dissipation efficiency, gaps between the vertical branch buses 3 and the corrugated plates 5 are not too long, and in the embodiment, the gaps between the vertical branch buses 3 and the corrugated plates 5 are not smaller than 1 cm.

Meanwhile, in order to improve the heat dissipation efficiency of the busbar 4, a plurality of heat dissipation grooves 6 are formed in the plate body of the busbar 4. The heat dissipation area of the busbar 4 is further increased by the heat dissipation grooves 6, so that the heat dissipation efficiency of the busbar 4 is improved, and in this embodiment, the heat dissipation grooves 6 may be regular holes, irregular holes or grooves. The regular holes include round holes, square holes, triangular holes, etc. The groove shape can also be a bar groove or a square groove. Meanwhile, in order to increase the heat dissipation efficiency, in this embodiment, the aperture ratio of the busbar terminal 4 is 25% -45%, the aperture ratio is preferably 45%, and the larger the aperture ratio of the busbar terminal 4 is, the larger the heat dissipation area of the busbar terminal 4 is, and the better the heat dissipation effect is.

Example 2

The embodiment provides a low-voltage power distribution cabinet, which comprises an electric cabinet body and a bus bar chamber arranged at the upper end inside the electric cabinet body, wherein the bus bar chamber in the implementation is the bus bar chamber in embodiment 1. The heat dissipation efficiency is high, and the heat dissipation effect is good.

The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the claims without affecting the spirit of the utility model.

Claims (10)

1. The utility model provides a quick radiating bus-bar room, includes cavity body (1) that both sides all have wind groove (7), and cavity body (1) inside both sides are equipped with the through-hole that supplies main bus (2) to penetrate, are equipped with a plurality of bus-bar end row (4) that are located main bus (2) below in cavity body (1), and main bus (2) are connected its characterized in that with bus-bar end row (4) electricity through vertical branch generating line (3): be equipped with buckled plate (5) in cavity body (1), busbar end row (4) is fixed on the peak of buckled plate (5), forms heat dissipation channel (8) between busbar end row (4) and the concave part of buckled plate (5), and wind groove (7) of both sides are corresponding respectively at the both ends of heat dissipation channel (8), are equipped with a plurality of heat dissipation grooves (6) that increase heat radiating area on busbar end row (4).

2. A rapid thermal bus bar compartment according to claim 1, wherein: the rear side of buckled plate (5) is equipped with a plurality of dead levers, and the both ends of dead lever are connected with inside both sides of cavity body (1) respectively.

3. A rapid thermal bus bar compartment according to claim 1, wherein: the radiating grooves (6) are regular holes, special-shaped holes or groove-shaped holes.

4. A rapid thermal bus bar compartment according to claim 3, wherein: the aperture ratio of the bus end row (4) is 25% -45%.

5. A rapid thermal bus bar compartment according to claim 1, wherein: the corrugated plate (5) is the inner side wall of the chamber body (1).

6. A rapid thermal bus bar compartment according to claim 1, wherein: the upper end of the corrugated plate (5) extends towards the top wall of the chamber body (1), and a gap exists between the vertical branch bus (3) and the corrugated plate (5).

7. The rapid thermal bus bar compartment of claim 6, wherein: the gap is not less than 1 cm.

8. A rapid thermal bus bar compartment according to claim 1, wherein: the peak of the corrugated plate (5) is arc-shaped, triangular or trapezoid.

9. A rapid thermal bus bar compartment according to claim 1, wherein: the ratio of the depth to the width of the concave parts of the corrugated plates (5) is 1:2-3.

10. The utility model provides a low-voltage distribution cabinet, includes the electric cabinet body and sets up the bus-bar room in the inside upper end of electric cabinet body, its characterized in that: the bus bar compartment is the bus bar compartment of any one of claims 1 to 9.