CN211481819U - an electrical control cabinet - Google Patents

Abstract

The utility model provides an electrical control cabinet, which comprises a cabinet body and a mounting rack arranged in the cabinet body, wherein the top of the cabinet body is provided with an exhaust chamber, the exhaust chamber is provided with an exhaust port, the top of the cabinet body is also provided with an exhaust fan, the inlet of the exhaust fan is communicated with the exhaust port, the gas outlet of the exhaust fan is communicated with the atmosphere, the bottom of the cabinet body is provided with an air inlet chamber, and the air inlet chamber is provided with an air inlet communicated with; the mounting bracket comprises a longitudinal bracket and a transverse bracket which are hollow respectively, the longitudinal bracket is vertically arranged on two sides in the cabinet body respectively, the top of the longitudinal bracket on one side is communicated with the bottom of the exhaust chamber, the bottom of the longitudinal bracket on the other side is communicated with the top of the air inlet chamber, and two ends of the transverse bracket are communicated with the longitudinal brackets on two sides respectively. This electrical control cabinet has dustproof effectual, the good advantage of heat dissipation.

Description

an electrical control cabinet

technical field

The utility model relates to an electrical control cabinet.

Background technique

The electrical control cabinet is to assemble switchgear, measuring instruments, protective appliances and auxiliary equipment in a metal cabinet or on the screen according to the electrical wiring requirements for electrical control, and is often used in various power generation, distribution and substations. When the electrical control cabinet is working, the internal electronic equipment is likely to generate heat. If the temperature in the cabinet is too high if the heat is not dissipated in time, the working performance of the electronic equipment will be affected, and in severe cases, the electronic equipment will be unable to work. Most of the existing heat dissipation methods are ventilation and heat dissipation. When ventilating the cabinet, it is easy to cause dust to accumulate in the electrical control cabinet, and the dust accumulation easily leads to the risk of short circuit of the circuit. It can be seen that heat dissipation and dust removal have become two conflicting maintenance problems. The existing method generally uses dust filter membranes to filter dust from the intake air, but this requires regular cleaning or replacement of dust filter membranes, which is troublesome to use.

SUMMARY OF THE INVENTION

In order to solve the problems existing in the background technology, the utility model proposes an electrical control cabinet.

An electrical control cabinet comprises a cabinet body and a mounting frame arranged in the cabinet body, an exhaust chamber is arranged on the top of the cabinet body, an exhaust port is arranged in the exhaust chamber, an exhaust fan is also arranged on the top of the cabinet body, and the inlet of the exhaust fan is connected The exhaust port, the air outlet of the exhaust fan is connected to the atmosphere, the bottom of the cabinet is provided with an air inlet chamber, and the air inlet chamber is provided with an air inlet connected to the atmosphere; the mounting frame includes a hollow longitudinal frame and a horizontal frame, the longitudinal frame is Vertically arranged on both sides of the cabinet, the top of the longitudinal frame on one side is connected to the bottom of the exhaust chamber, the bottom of the longitudinal frame on the other side is connected to the top of the intake chamber, and the two ends of the horizontal frame are connected to the longitudinal frames on both sides respectively. .

Based on the above, the longitudinal frame is provided with a connecting piece, and the connecting piece is provided with a connecting hole.

Based on the above, a plurality of heat dissipation fins are evenly distributed on the rear side of the cabinet.

Based on the above, the transverse frame or the longitudinal frame is respectively a hollow plate-like structure, or respectively a hollow tubular structure.

Based on the above, the longitudinal frames on both sides of the cabinet are respectively arranged at a certain distance from the side walls of the cabinet; the outer sides of the side walls on both sides of the cabinet are respectively provided with cooling fins.

Compared with the prior art, the utility model has substantial features and advancements. Specifically, the utility model uses the hollow mounting frame to cooperate with the exhaust fan to dissipate heat. Since the hollow mounting frame has no communication relationship with the interior of the cabinet, ventilation and heat dissipation are performed. At the same time, it can effectively play the role of dust, and achieve the effect of heat dissipation and dust.

Description of drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are just some embodiments of the present invention, and for those of ordinary skill in the art, other drawings can also be obtained from these drawings without creative effort.

Figure 1 is a schematic diagram of the internal structure of the present invention.

FIG. 2 is a schematic view of the hollow plate-like structure of the mounting frame of the present invention.

FIG. 3 is a schematic view of the hollow tubular structure of the mounting frame of the present invention.

In the figure: 1. Cabinet; 2. Longitudinal frame; 3. Horizontal frame; 4. Exhaust chamber; 5. Exhaust fan;

Detailed ways

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. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in FIG. 1, an electrical control cabinet includes a cabinet body 1 and a mounting frame arranged in the cabinet body 1. An exhaust chamber 4 is provided on the top of the cabinet body 1, and the exhaust chamber 4 is provided with an exhaust port. The top of the cabinet 1 is also provided with an exhaust fan 5, the inlet of the exhaust fan 5 is connected to the exhaust port, the air outlet of the exhaust fan 5 is connected to the atmosphere, the bottom of the cabinet 1 is provided with an air intake chamber 6, and the air intake chamber 6 is provided with an inlet connected to the atmosphere. Air port; the installation frame includes a hollow longitudinal frame 2 and a transverse frame 3, the longitudinal frame 2 is vertically arranged on both sides of the cabinet 1, the top of the longitudinal frame 2 on one side is connected to the bottom of the exhaust chamber 4, and the other side is connected to the bottom of the exhaust chamber 4. The bottom of the longitudinal frame 2 on one side is communicated with the top of the air inlet chamber 6 , and the two ends of the transverse frame 3 are respectively communicated with the longitudinal frames 2 on both sides.

In practice, the bottom of the longitudinal frame 2 on one side is set at the bottom of the inner side of the cabinet body 1 and is closed, and the top of the longitudinal frame 2 on the other side is set at the top of the inner side of the cabinet body 1 and closed. When the exhaust fan 5 is working, the air outside the cabinet 1 is discharged from the intake chamber 6 through the installation frame and the exhaust chamber 4 under the action of the exhaust fan 5. During this process, the air in the cabinet 1 and the air in the installation frame are discharged. Heat exchange is performed through the mounting frame body to complete heat dissipation. The working principle of the heat exchange in the cabinet 1 and the mounting frame is similar to that of the shell and tube heat exchanger (the working principle of the shell and tube heat exchanger is that the temperature of the material in the tube side and the material in the shell side are different, and the heat conduction way of heat exchange). In this embodiment, the air temperature in the mounting rack is the ambient temperature, while the temperature in the cabinet is higher than the ambient temperature, the heat in the cabinet 1 is transferred to the mounting rack and the air in the mounting rack through the mounting rack, and the exhaust fan 5 accelerates the installation The flow of the air in the rack reduces the temperature of the mounting rack and the air in it to the ambient temperature, so as to achieve an accelerated heat dissipation effect on the temperature in the cabinet 1 . The interior of the mounting frame is not communicated with the interior of the cabinet 1, so that heat dissipation is achieved and the dustproof effect is improved.

In this embodiment, the transverse frame 3 or the longitudinal frame 2 is respectively a hollow plate-like structure, as shown in FIG. 2 , or a hollow tubular structure, respectively, as shown in FIG. 3 . In practice, multiple layers are added horizontally. According to the actual size of the cabinet 1, longitudinal frames 2 can also be added between the longitudinal frames 2 on both sides.

For the convenience of fixing, the longitudinal frame 2 is provided with a connecting piece, and the connecting piece is provided with a connecting hole. The electrical equipment for electrical control is placed on the horizontal plus and fixed by bolts and connecting pieces.

Preferably, a plurality of heat dissipation fins 7 are evenly distributed on the rear side of the cabinet body 1 , and the heat dissipation fins 7 increase the heat dissipation area of the side wall of the cabinet body 1 and improve the heat dissipation effect.

In another embodiment, the longitudinal frames 2 on both sides of the cabinet body 1 are respectively disposed at a certain distance from the side walls of the cabinet body 1; 7. Strengthen the heat dissipation effect of the side walls on both sides to avoid the vertical frame 2 being close to the side walls and affecting the heat dissipation of the side walls.

It will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments are to be considered in all respects as exemplary and not restrictive, and the scope of the present invention is defined by the appended claims rather than the foregoing description, and it is therefore intended that the All changes within the meaning and range of the required equivalents are embraced within the present invention. Any reference signs in the claims shall not be construed as limiting the involved claim.

Claims (5)

1. An electrical control cabinet, comprising a cabinet and a mounting frame arranged in the cabinet, characterized in that: the top of the cabinet is provided with an exhaust chamber, the exhaust chamber is provided with an exhaust port, and the top of the cabinet is also provided with an exhaust fan , the inlet of the exhaust fan is connected to the exhaust port, the outlet of the exhaust fan is connected to the atmosphere, the bottom of the cabinet is provided with an air intake chamber, and the air intake chamber is provided with an air intake port that communicates with the atmosphere; the mounting frame includes hollow longitudinal frames respectively. And the horizontal frame, the vertical frame is vertically arranged on both sides of the cabinet, the top of the vertical frame on one side is connected to the bottom of the exhaust chamber, the bottom of the vertical frame on the other side is connected to the top of the air intake chamber, and the two ends of the horizontal frame are respectively Longitudinal racks connecting both sides. 2 . The electrical control cabinet according to claim 1 , wherein a connecting piece is arranged on the longitudinal frame, and a connecting hole is arranged on the connecting piece. 3 . 3 . The electrical control cabinet according to claim 1 , wherein a plurality of cooling fins are evenly distributed on the rear side of the cabinet. 4 . 4 . The electrical control cabinet according to claim 1 , wherein the transverse frame or the longitudinal frame is a hollow plate-like structure, or a hollow tubular structure, respectively. 5 . 5 . The electrical control cabinet according to claim 1 , wherein the longitudinal frames on both sides of the cabinet are respectively set at a certain distance from the side walls of the cabinet body; the outer sides of the side walls on both sides of the cabinet body are respectively provided with radiating fins. 6 .

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