CN213460828U

CN213460828U - Ventilation system of switch cabinet

Info

Publication number: CN213460828U
Application number: CN202022783101.4U
Authority: CN
Inventors: 张立峰
Original assignee: Kunshan Unelectra Electric Co ltd
Current assignee: Kunshan Unelectra Electric Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-06-15
Anticipated expiration: 2030-11-26

Abstract

The utility model relates to a ventilation system of a switch cabinet, which comprises a first cooling fan arranged at the top of a cabinet body, an air inlet arranged at the bottom of the cabinet body and a second cooling fan arranged at the middle part of the cabinet body; the first heat dissipation fans are arranged in fan chambers which are isolated from electric devices in the cabinet body, and each fan chamber is also internally provided with a terminal strip which is used for supplying power to the first heat dissipation fans in the fan chamber. The utility model discloses an aspect improves ventilation system's whole radiating effect through setting up second radiator fan, and on the other hand sets up first radiator fan in independent fan chamber, the cleanness, the maintenance or the change in the later stage of being convenient for. The utility model discloses simple structure, operating personnel operates conveniently, and ventilation cooling effect is good.

Description

Ventilation system of switch cabinet

Technical Field

The utility model relates to a power switch cabinet field especially relates to a cubical switchboard ventilation system.

Background

In the use of the switch cabinet, the operation current is large, which causes serious heat generation, and therefore a ventilation system is usually required to be arranged to ventilate and dissipate heat of the switch cabinet. The existing ventilation system mainly comprises a heat radiation fan arranged at the top of the cabinet body and an air inlet arranged at the bottom of the cabinet body so as to form air flow and realize the purposes of ventilation and heat radiation. However, because the heating devices (power equipment) inside the cabinet body are mostly concentrated in the middle, the ventilation system cannot well cool the heating devices, and the service life of the heating devices is affected; in addition, when overhauing current radiator fan, the cabinet door that needs open the cubical switchboard usually and cut off the power supply, can influence the normal use of cubical switchboard like this on the one hand, and on the other hand also can have personnel's risk of electrocuteeing by mistake or damaging electric power device in the cubical switchboard.

Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a switch cabinet ventilation system which is safer and more convenient and has better heat dissipation effect.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cubical switchboard ventilation system to solve above-mentioned technical problem.

In order to solve the technical problem, the utility model provides a ventilation system of a switch cabinet, which comprises a first cooling fan arranged at the top of a cabinet body, an air inlet arranged at the bottom of the cabinet body and a second cooling fan arranged at the middle part of the cabinet body; the first heat dissipation fans are arranged in fan chambers which are isolated from electric devices in the cabinet body, and each fan chamber is also internally provided with a terminal strip which is used for supplying power to the first heat dissipation fans in the fan chamber.

Preferably, the number of the first heat dissipation fans is plural, and each of the first heat dissipation fans is disposed in an independent one of the fan chambers.

Preferably, each of the fan chambers further comprises a door for opening the fan chamber.

Preferably, a safety lock is installed on the chamber door.

Preferably, still be equipped with the vent on the lateral wall of the cabinet body, still include on the vent from inside to outside in proper order cover the first filter screen and the second filter screen of vent, the second filter screen for the position of vent is adjustable.

Preferably, the edge of vent is equipped with the frame, the frame includes the parallel arrangement's of bottom gag lever post and both sides guide rail, the second filter screen can be followed the guide rail slides.

Preferably, at least one side edge of the second filter screen is provided with a limiting hole, and a corresponding position on the guide rail is provided with a limiting pin matched with the limiting hole.

Preferably, a handle is arranged at the top of the second filter screen.

Preferably, the second heat dissipation fan is disposed to be inclined upward.

Preferably, an included angle between the blowing direction of the second heat dissipation fan and the horizontal direction is 10 ° to 85 °.

Compared with the prior art, the utility model provides a cubical switchboard ventilation system has following advantage:

1. in the utility model, the first cooling fan is arranged in the fan chamber isolated from the power device in the cabinet body, when the first cooling fan in the fan chamber needs to be cleaned, overhauled or replaced, the power supply of the whole switch cabinet does not need to be closed, and the cabinet door of the switch cabinet does not need to be opened, so that the switch cabinet can be normally used in the whole process, thereby increasing the power supply reliability of the switch cabinet;

2. the utility model discloses an increase second radiator fan, can carry out the independent heat dissipation to the position that the heat is comparatively concentrated in the cubical switchboard, can also realize strong air convection through the cooperation of first radiator fan and second radiator fan simultaneously to improve the radiating effect, prolong the life of cubical switchboard, ensure the power consumption safety;

3. the utility model is provided with a vent, and an inner layer filter screen and an outer layer filter screen are arranged at the vent, wherein, the first filter screen can ensure that the vent is covered, and small animals such as mice and the like are prevented from entering the switch cabinet; when the air intake requirement is smaller, the second filter screen can completely cover the ventilation opening, and if the air intake needs to be increased, at least one part of the second filter screen can be moved away from the ventilation opening, so that the air intake can be flexibly adjusted, and the ventilation efficiency is improved.

Drawings

Fig. 1 is a schematic structural view of a ventilation system of a switch cabinet according to an embodiment of the present invention (external structure of the switch cabinet);

fig. 2 is a schematic structural view of a ventilation system of a switch cabinet according to an embodiment of the present invention (internal structure of the switch cabinet);

fig. 3 is a schematic structural view of a vent in a ventilation system of a switch cabinet according to an embodiment of the present invention.

In the figure: 01-cabinet body, 10-first cooling fan, 11-chamber door, 12-safety lock, 20-air inlet, 30-second cooling fan, 40-ventilation opening, 41-first filter screen, 42-second filter screen, 43-bottom limiting rod, 44-guide rail and 45-handle.

Detailed Description

In order to describe the technical solution of the above utility model in more detail, the following specific examples are given to demonstrate the technical effects; it should be emphasized that these examples are for illustrative purposes only and are not limiting to the scope of the present invention.

The utility model provides a ventilation system of a switch cabinet, as shown in fig. 1 to fig. 3, comprising a first cooling fan 10 arranged at the top of a cabinet body 01, an air inlet 20 arranged at the bottom of the cabinet body 01, and a second cooling fan 30 arranged at the middle of the cabinet body 01; the first heat dissipation fans 10 are disposed in fan chambers isolated from the power devices inside the cabinet 01, and each of the fan chambers is further provided with a terminal row (not shown) for supplying power to the first heat dissipation fans 10 in the fan chamber. The utility model discloses an aspect improves ventilation system's whole radiating effect through setting up second radiator fan 20, and on the other hand sets up in independent fan chamber through setting up first radiator fan 10, the cleanness, the maintenance or the change in the later stage of being convenient for. The utility model discloses simple structure, operating personnel operates conveniently, and ventilation cooling effect is good.

Preferably, please refer to fig. 1 and 2, a plurality of first heat dissipation fans 10 are provided, and each first heat dissipation fan 10 is disposed in an independent fan chamber, in this embodiment, four fan chambers are provided, two fan chambers are mounted on the front panel of the cabinet 01, and the other two fan chambers are mounted on the rear panel of the cabinet 01, specifically, the fan chambers are respectively disposed on the upper portions of the front panel and the rear panel, so that the air blown by the upper first heat dissipation fans 10 can be blown in from the air inlets 20 at the bottom, and the air circulation is formed inside the cabinet 01, thereby improving the cooling effect.

Preferably, please refer to fig. 1, each fan chamber further includes a chamber door 11 for opening the fan chamber, specifically, the chamber door 11 may employ a safety net, so as to facilitate observation of the internal condition of the fan chamber, protect personnel safety, and prevent small animals such as mice from entering the switch cabinet, and in this embodiment, the chamber door 11 is further installed with a safety lock 12, so that only a professional operator can hold a key to open the fan chamber, thereby ensuring the safety of the switch cabinet.

Preferably, please refer to fig. 1 and 3, a vent 40 is further disposed on a sidewall of the cabinet 01, the vent 40 further includes a first filter 41 and a second filter 42 sequentially covering the vent 40 from inside to outside, and a position of the second filter 42 relative to the vent 40 is adjustable. The utility model is provided with an inner layer filter screen and an outer layer filter screen, wherein the first filter screen 41 can ensure that the vent 40 is covered, and small animals such as mice and the like are prevented from entering the switch cabinet; when the air intake requirement is smaller, the second filter 42 can completely cover the ventilation opening 40, and if the air intake needs to be increased, at least a part of the second filter 42 can be moved away from the ventilation opening 40, so that the air intake can be flexibly adjusted, and the ventilation efficiency can be further improved.

Preferably, please refer to fig. 3 with more emphasis, a frame is disposed at the edge of the vent 40, the frame includes a bottom limiting rod 43 and two side guide rails 44 arranged in parallel, the second filter 42 can slide along the guide rails 44, so as to flexibly adjust the overlapping area of the second filter 42 and the first filter 41 (or the vent 40), and then flexibly adjust the intake air amount; preferably, a handle 45 is provided on the top of the second filter 42 to facilitate the pushing and pulling operation of the operator.

Preferably, at least one side edge of the second filter screen 42 is provided with a limiting hole (not shown), a corresponding position on the guide rail 44 is provided with a limiting pin (not shown) matched with the limiting hole, and after the position adjustment of the second filter screen 42 is completed, the position of the second filter screen 42 can be fixed, so that the second filter screen 42 is prevented from changing in position and even falling off.

Preferably, please refer to fig. 2 with a high emphasis, the second heat dissipation fan 30 is disposed obliquely upward, such that the first heat dissipation fan 10 blows air downward and the second heat dissipation fan 30 blows air upward, and the two fans cooperate to achieve strong air convection and improve the heat dissipation effect; specifically, an included angle between the blowing direction of the second cooling fan 30 and the horizontal direction is 10 ° to 85 °, so that energy waste caused by horizontal blowing or vertical blowing is avoided.

To sum up, the ventilation system of the switch cabinet provided by the utility model comprises a first cooling fan 10 arranged at the top of the cabinet body 01, an air inlet 20 arranged at the bottom of the cabinet body 01, and a second cooling fan 30 arranged at the middle part of the cabinet body 01; the first heat dissipation fans 30 are disposed in fan chambers isolated from the power devices inside the cabinet 01, and each of the fan chambers is further provided with a terminal strip for supplying power to the first heat dissipation fans 10 in the fan chamber. The utility model discloses in, improve ventilation system's whole radiating effect through setting up second radiator fan 30 on the one hand, on the other hand sets up in independent fan chamber through setting up first radiator fan 10, the cleanness, the maintenance or the change in the later stage of being convenient for. The utility model discloses simple structure, operating personnel operates conveniently, and ventilation cooling effect is good.

It will be apparent to those skilled in the art that various changes and modifications may be made to the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A ventilation system of a switch cabinet is characterized by comprising a first cooling fan arranged at the top of a cabinet body, an air inlet arranged at the bottom of the cabinet body and a second cooling fan arranged in the middle of the cabinet body; the first heat dissipation fans are arranged in fan chambers which are isolated from electric devices in the cabinet body, and each fan chamber is also internally provided with a terminal strip which is used for supplying power to the first heat dissipation fans in the fan chamber.

2. The switch cabinet ventilation system of claim 1, wherein the plurality of first heat dissipation fans are disposed in a separate one of the fan chambers.

3. The switch cabinet ventilation system of claim 1 or 2, wherein each of the fan chambers further comprises a chamber door for opening the fan chamber.

4. The switchgear enclosure ventilation system of claim 3, wherein the door has a safety lock mounted thereon.

5. The switch cabinet ventilation system of claim 1, wherein the side wall of the cabinet body is further provided with a vent, the vent further comprises a first filter screen and a second filter screen which sequentially cover the vent from inside to outside, and the position of the second filter screen relative to the vent is adjustable.

6. The switch cabinet ventilation system of claim 5, wherein a frame is disposed at an edge of the ventilation opening, the frame comprises a bottom limiting rod and two side parallel guide rails, and the second filter screen can slide along the guide rails.

7. The switch cabinet ventilation system of claim 6, wherein at least one side of the second filter screen is provided with a limiting hole, and a corresponding position on the guide rail is provided with a limiting pin matched with the limiting hole.

8. The switchgear ventilation system of any of claims 5 to 7, wherein the second filter has a handle at a top thereof.

9. The switchgear ventilation system of claim 1, wherein the second heat dissipating fan is disposed to be inclined upward.

10. The switch cabinet ventilation system of claim 9, wherein the second radiator fan blows air at an angle of 10 ° to 85 ° with respect to the horizontal.