CN218940452U

CN218940452U - Dampproofing regulator cubicle of cooling

Info

Publication number: CN218940452U
Application number: CN202223110586.6U
Authority: CN
Inventors: 刘冬冬; 何海霞
Original assignee: Kunshan Hanlongxin Electromechanical Equipment Co ltd
Current assignee: Kunshan Hanlongxin Electromechanical Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-28
Anticipated expiration: 2032-11-23

Abstract

The utility model relates to a cooling dampproof electrical cabinet, wherein an air inlet channel is arranged at the rear side of a cabinet body of the electrical cabinet, a semiconductor refrigerating sheet is arranged in the air inlet channel, the volume of refrigerating equipment is effectively reduced, cooling of air and condensation drainage of water vapor are facilitated by arranging strip-shaped fins in the air inlet channel, condensed water is effectively prevented from entering the electrical cabinet, and the safety of the electrical cabinet is improved.

Description

Dampproofing regulator cubicle of cooling

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a cooling and moistureproof electrical cabinet.

Background

With the development of electrification, the use of electrical devices has become more widespread, and electrical components have become more and more popular, and in order to facilitate the installation and protection of electrical components, electrical cabinets are generally used for housing the electrical components. Since the electrical components generally generate heat during operation, the generated heat, if accumulated around the electrical components, can adversely affect the electrical performance and service life of the electrical components. Electrical cabinets are often used to protect electrical components with the interior of the cabinet being relatively closed and such an arrangement may exacerbate the heat build-up around the electrical components. In order to solve the technical problems, the conventional scheme is that air conditioning equipment is installed in an electrical room or is arranged on an electrical cabinet, the air conditioning equipment is installed in the electrical room, the energy consumption is high, the electrical cabinets cannot be guaranteed to be cooled effectively, the air conditioning equipment is arranged on the electrical cabinet, the occupied area of the electrical cabinet is increased, and meanwhile an air outlet of the air conditioner is directly connected with the electrical cabinet, so that condensed water at the air outlet is blown into the electrical cabinet easily, and electrical faults are caused.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a cooling moisture-proof electrical cabinet, so as to safely and effectively cool the electrical cabinet without excessively increasing the floor space of the electrical cabinet.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a cooling dampproof electrical cabinet comprises a cabinet body, wherein an accommodating chamber for accommodating electrical equipment is formed in the cabinet body; the door plate is arranged at the front side of the cabinet body and is used for closing the front opening of the accommodating cavity, an air inlet channel extending up and down is arranged at the rear side of the cabinet body, the top of the air inlet channel is communicated with the accommodating cavity, air inlet equipment for conveying air into the air inlet channel is arranged at the bottom of the air inlet channel, a semiconductor refrigerating sheet is arranged at the rear side of the air inlet channel and faces the cold end at one side of the air inlet channel, and the semiconductor refrigerating sheet is arranged at the bottom of the air inlet channel and is used for cooling the air in the accommodating cavity

The heat-dissipating device comprises a cabinet body, wherein a heat-dissipating piece is connected to the hot end of the cabinet body, the heat-dissipating piece is located outside the cabinet body, a strip-shaped fin is arranged on the rear side of an air inlet channel and horizontally extends, the strip-shaped fin is also in heat conduction connection with the cold end of a semiconductor refrigerating sheet, one end, connected to the rear side of the air inlet channel, of the strip-shaped fin is the root of the strip-shaped fin, the strip-shaped fin stretches into one side of the air inlet channel to be the tail end of the strip-shaped fin, the tail end of the strip-shaped fin is higher than the root of the strip-shaped fin, a sheet-shaped heat exchange part is arranged at the solid part of the strip-shaped fin between the root of the strip-shaped fin and the tail end of the strip-shaped fin, a liquid collecting groove is formed at the root of the strip-shaped fin, and a drain pipe communicated with the liquid collecting groove is arranged in the air inlet channel.

Further, the heat dissipation piece comprises a heat conduction plate connected with the hot end of the semiconductor refrigerating plate and heat dissipation strips arranged on the heat conduction plate, the heat dissipation strips vertically extend, and the heat dissipation strips are horizontally arranged and distributed on one side, away from the semiconductor refrigerating plate, of the heat conduction plate.

Further, an air outlet part of the air inlet device is communicated with the bottom of the air inlet channel, and the other part of the air outlet of the air inlet device is positioned at the bottom between the radiating strips.

Further, the air inlet equipment is specifically a cross flow fan, and the rotation axis of the cross flow fan horizontally extends.

Further, the top of the air inlet channel is distributed with a diversion cone, and the bottom of the diversion cone is a tip.

Further, the air inlet channel with the opposite side of bar fin is equipped with vortex rib, vortex rib horizontal extension, the distribution is arranged from top to bottom to the vortex rib, vortex rib cross section is the arc, the extension plane of heat transfer portion with set up in the air inlet channel lateral wall of vortex rib intersect in between the vortex rib.

The utility model has the beneficial effects that: according to the utility model, the air inlet channel is arranged at the back of the cabinet body, and the air inlet equipment is arranged at the bottom of the air inlet channel, so that the volume of the air supply system is effectively reduced, the arrangement of heat dissipation parts and the arrangement of the electrical cabinet are convenient, and the volume of the whole electrical cabinet heat dissipation system is effectively reduced by combining the semiconductor refrigerating sheets; the strip fins arranged in the air inlet channel are utilized to effectively improve the dryness and reduce the temperature of air entering the accommodating chamber, and meanwhile, condensed water is prevented from entering the accommodating chamber, so that the safety of the electric cabinet is improved.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of a front perspective structure of the present utility model;

FIG. 2 is a schematic rear perspective view of the present utility model;

FIG. 3 is a schematic overall cross-sectional view of the present utility model;

FIG. 4 is a schematic view showing the direction of the air flow in embodiment 2 of the present utility model;

fig. 5 is an enlarged schematic view of the utility model at I in fig. 3.

In the figure, the cabinet body 1, the door plate 2, the accommodating chamber 3, the air inlet channel 4, the semiconductor refrigerating sheet 5, the strip fin 6, the heat radiating piece 7, the heat conducting plate 71, the heat radiating strip 72, the drainage cone 8, the drain pipe 9, the liquid collecting tank 10, the air inlet device 11, the cross flow fan 12, the turbulence rib 13.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the mechanisms or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1 to 3 and 5, a cooling and moisture-proof electrical cabinet includes a cabinet body 1, wherein a containing chamber 3 for containing electrical equipment is formed in the cabinet body 1; and a door plate 2, wherein the door plate 2 is arranged at the front side of the cabinet body 1 and is used for closing the front side opening of the accommodating chamber 3. For the arrangement of convenient radiating piece 7 and the parallel arrangement of regulator cubicle, cabinet body 1 rear side is equipped with the air inlet passageway 4 that extends from top to bottom, air inlet passageway 4 top with accommodation chamber 3 intercommunication, air inlet passageway 4 bottom is equipped with to air inlet equipment 11 of carrying air in the air inlet passageway 4. By providing the semiconductor cooling fin 5 at the rear side of the air intake passage 4, the volume of the cooling member can be reduced. The side of the semiconductor refrigerating sheet 5 facing the air inlet channel 4 is a cold end. In order to facilitate improvement of heat exchange efficiency of the semiconductor refrigeration piece 5, a heat dissipation piece 7 is connected to the hot end of the semiconductor refrigeration piece 5, the heat dissipation piece 7 is located outside the cabinet body 1, a strip fin 6 is arranged on the rear side of the air inlet channel 4, the strip fin 6 horizontally extends, and the strip fin 6 is also in heat conduction connection with the cold end of the semiconductor refrigeration piece 5. The strip fin 6 with the one end is connected to the air inlet channel 4 rear side is the root of strip fin 6, strip fin 6 stretches into air inlet channel 4 one side is the end of strip fin 6, the end of strip fin 6 is higher than the root of strip fin 6, the root of strip fin 6 with the solid position of strip fin 6 between the end of strip fin 6 is lamellar heat transfer portion, strip fin 6 with air inlet channel 4 rear side is in the root of strip fin 6 forms collecting tank 10, be equipped with in the air inlet channel 4 with drain pipe 9 of collecting tank 10 intercommunication utilizes strip fin 6 stretches into the slope of air inlet channel 4 sets up, and when wind is through the water droplet of strip fin 6 surface meeting condensation knot can flow into in the collecting tank 10 and pass through drain pipe 9 discharge, guarantee that the air can not carry in the water droplet when entering accommodation cavity 3, guarantee the security of electric cabinet.

In order to improve the refrigerating efficiency of the semiconductor, the following description is further given with reference to specific examples.

Example 1

Referring to fig. 2, in this embodiment, the heat dissipation member 7 includes a heat conducting plate 71 connected to the hot end of the semiconductor refrigeration sheet 5, and heat dissipation strips 72 disposed on the heat conducting plate 71, so that the heat dissipation strips 72 extend vertically for facilitating the convection of air to take away the heat from the surface of the heat dissipation strips 72, and the heat dissipation strips 72 are horizontally arranged and distributed on the side of the heat conducting plate 71 facing away from the semiconductor refrigeration sheet 5.

Example 2

Referring to fig. 4, in this embodiment, an air outlet portion of the air inlet device 11 is communicated with the bottom of the air inlet channel 4, another portion of an air outlet of the air inlet device 11 is located at the bottom between the heat dissipation strips 72, and the air inlet device 11 is used to increase the surface air speed of the heat dissipation strips 72, so as to improve the heat dissipation efficiency of the heat dissipation element 7.

In order to ensure better layout of the air inlet device and uniform air outlet of the air outlet, in this embodiment, the air inlet device 11 is specifically a cross flow fan 12, the rotation axis of the cross flow fan 12 extends horizontally, and the air outlet of the air inlet device 11 is linear, so that air flow is conveniently introduced into the air inlet channel 4.

Example 3

Referring to fig. 3, in order to prevent water droplets formed at the top of the air intake channel 4 from entering the accommodating chamber 3 along the top of the air intake channel 4, a flow guiding cone 8 with a tip bottom is disposed at the top of the air intake channel 4 in this embodiment. Because the bottom of the diversion cone 8 is a tip, the condensed water drops flow to the bottom of the diversion cone 8 to form larger water drops under the action of gravity, and the water drops dropped by the diversion cone 8 can be directly dropped to the bottom of the air inlet channel 4 under the action of gravity because the wind speed in the air inlet channel 4 is low in general and cannot support the water drops.

Example 4

Referring to fig. 3, in order to prevent water droplets attached to the front side of the air inlet channel 4 from following the air flow into the accommodating chamber 3, a turbulence rib 13 is disposed on the opposite side of the air inlet channel 4 to the strip fin 6, the turbulence rib 13 extends horizontally, the turbulence rib 13 is arranged up and down, and the turbulence rib 13 is used to block the water droplets from ascending and change the direction of the air flow, so as to prevent the air flow rising along the front side of the air inlet channel 4 from forming on the front side surface of the air inlet channel 4. The cross section of each turbulence rib 13 is arc-shaped, the extension plane of the heat exchange part intersects with the side wall of the air inlet channel 4 arranged on each turbulence rib 13 between the turbulence ribs 13, the arrangement mode of the relative positions of the strip-shaped fins 6 and the turbulence ribs 13 enables air flow to rise in the repeated transverse collision process in the air inlet channel 4, the air flow is convenient to fully contact with the strip-shaped fins 6, the heat exchange efficiency of the strip-shaped fins 6 is improved, and the lifting force of the air flow on the air inlet channel 4 and condensed water on the strip-shaped fins 6 is reduced.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A cooling moisture resistant electrical cabinet comprising:

a cabinet body, wherein an accommodating chamber for accommodating electrical equipment is formed in the cabinet body;

the refrigerator comprises a cabinet body and is characterized in that an air inlet channel extending up and down is arranged at the rear side of the cabinet body, the top of the air inlet channel is communicated with the accommodating cavity, air inlet equipment for conveying air into the air inlet channel is arranged at the bottom of the air inlet channel, a semiconductor refrigerating sheet is arranged at the rear side of the air inlet channel, the semiconductor refrigerating sheet faces the cold end of the air inlet channel, a heat radiating piece is connected to the hot end of the semiconductor refrigerating sheet and is positioned outside the cabinet body, a strip-shaped fin is arranged at the rear side of the air inlet channel and horizontally extends, the strip-shaped fin is also connected with the cold end of the semiconductor refrigerating sheet in a heat conducting manner, one end of the strip-shaped fin connected with the rear side of the air inlet channel is the root of the strip-shaped fin, the strip-shaped fin stretches into the tail end of the air inlet channel, the tail end of the strip-shaped fin is higher than the root of the strip-shaped fin, the root of the semiconductor refrigerating sheet faces the cold end of the air inlet channel, the heat radiating piece is positioned outside the cabinet body, the strip-shaped fin is provided with a strip-shaped heat exchange fin body and a strip-shaped heat collecting groove, and the strip-shaped fin body is communicated with a liquid collecting groove in the air collecting groove.

2. The cooling and moisture-proof electrical cabinet of claim 1, wherein the heat dissipation member comprises a heat conduction plate connected with the hot end of the semiconductor refrigeration piece and heat dissipation strips arranged on the heat conduction plate, the heat dissipation strips vertically extend, and the heat dissipation strips are horizontally arranged and distributed on one side of the heat conduction plate away from the semiconductor refrigeration piece.

3. A cooling and moisture-proof electrical cabinet as claimed in claim 2 wherein the outlet portion of the air inlet means is in communication with the bottom of the air inlet passage and the other portion of the air outlet of the air inlet means is located at the bottom between the heat dissipating strips.

4. A cooling and moisture-proof electrical cabinet as claimed in claim 3 wherein the air inlet means is in particular a cross-flow fan, the axis of rotation of which extends horizontally.

5. A cooling moisture-proof electrical cabinet as claimed in any one of claims 1 to 4 wherein a diversion cone is distributed on the top of the air inlet channel and the bottom of the diversion cone is pointed.

6. A cooling and moisture-proof electrical cabinet as claimed in any one of claims 1 to 4 wherein a turbulence rib is provided on the side of the air inlet channel opposite to the strip-shaped fins, the turbulence rib extends horizontally, the turbulence ribs are arranged vertically and distributed, the cross section of each turbulence rib is arc-shaped, and the extending plane of the heat exchanging part intersects with the side wall of the air inlet channel provided on the turbulence rib between the turbulence ribs.