CN220570173U - Draw-out type switch cabinet - Google Patents

Abstract

The utility model discloses a draw-out type switch cabinet, which comprises a switch cabinet body, wherein a plurality of drawer main frames which are adjacently arranged are arranged on the inner side and the front side of the switch cabinet body, the drawer main frames comprise an outer protective shell on the outermost layer and an inner protective shell which is positioned on the inner side of the outer protective shell, shielding layers are filled in the interlayer of the outer protective shell and the inner protective shell, radiating plates with cavity structures are arranged on the two sides of the inner wall of the switch cabinet body in an attached mode, the shielding layers of graphene materials have excellent electromagnetic interference resistance and electromagnetic shielding characteristics, at least can shield incident waves of up to 97.8 percent, meanwhile, the inner shells made of zinc alloy materials have good electromagnetic field resistance, and the switch cabinet has a simple and reasonable integral structure and can effectively prevent the phenomena of energy scattering and electromagnetic wave mutual crosstalk interference under a high-load carrying state when in operation.

Description

Draw-out type switch cabinet

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a draw-out switch cabinet.

Background

The functional units of the draw-out type switch cabinet (drawer type switch cabinet) are separated from the bus bars or the cables by grounded metal plates or functional plates made of plastics, so that three areas of the bus bars, the functional units and the cables are formed. There are also isolation measures between each functional unit. The drawer type switch cabinet has higher reliability, safety and interchangeability, is a relatively advanced switch cabinet, and is produced, and most of the switch cabinets are drawer type switch cabinets. The intelligent power distribution system is suitable for industrial and mining enterprises and high-rise buildings with high power supply reliability, and is used as a power distribution center for centralized control.

In the actual use process, each drawing unit of the switch cabinet is responsible for a control circuit corresponding to the drawing unit, and meanwhile, because the electric elements in the switch cabinet are densely arranged, the phenomena of energy outward dispersion and electromagnetic wave mutual crosstalk interference are easily caused in a high-load carrying state; and because the internal space of the independent drawing unit is narrow, how to perform good heat dissipation needs to be considered.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

Therefore, the present utility model is directed to a draw-out type switch cabinet, so as to solve the problems of external energy dissipation and electromagnetic wave crosstalk interference during the use of the switch cabinet proposed in the background art, and the heat dissipation problem is also worth considering.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pull-out type switch cabinet, its includes the switch cabinet body, switch cabinet body inboard and openly are provided with the drawer body frame of a plurality of adjacent ranges, the drawer body frame comprises outer protecting crust and interior protecting crust, just the intermediate layer department of outer protecting crust and interior protecting crust still fills there is the shielding layer, switch cabinet body inner wall both sides laminating is provided with and inside the heating panel for cavity structure, the heating panel outside is provided with a plurality of transom rather than inside being linked together, drawer body frame rear end department placed in the middle is provided with and the fan that the end of airing exhaust is close to switch cabinet body rear portion, the intercommunication has the connecting tube of airing exhaust between fan air inlet end and the heating panel.

As a preferred solution of the draw-out type switch cabinet according to the present utility model, a plurality of supporting ribs which are uniformly distributed and are abutted against the inner protective case are further fixed on the inner side surface of the outer protective case.

As a preferable scheme of the extraction type switch cabinet, the shielding layer is made of graphene, and the inner protective shell is made of zinc alloy plates.

As a preferred embodiment of the draw-out type switch cabinet according to the present utility model, the drawer main frame has a mounting hole for mounting a fan at an inner rear portion thereof.

As a preferable scheme of the draw-out type switch cabinet, the ventilation connecting pipe comprises a gas collecting hood which is covered on the mounting hole in a sealing mode and is positioned on the inner side of the drawer main frame, and a gas exhaust plate with one end communicated with two sides of the gas collecting hood and the other end communicated with the heat dissipation plate.

As a preferred scheme of the draw-out type switch cabinet, the back of the switch cabinet body is also provided with radiating windows corresponding to the fans.

Compared with the prior art, the utility model has the beneficial effects that:

according to the extraction type switch cabinet, the shielding layer made of the graphene is arranged in the inner interlayer of the drawer, and the phenomenon that the switch cabinet is prone to energy scattering and electromagnetic wave mutual crosstalk interference under a high-load carrying state can be effectively prevented under the cooperation of the inner protective shell made of the zinc alloy, so that the switch cabinet is more stable in operation and use.

And secondly, when the temperature inside the drawer cabinet reaches a limit value in the operation process, the fan can be started immediately, the negative pressure suction force is formed inside the heat dissipation plates at two sides by the fan, and the heat dissipation plates uniformly suck the heat inside the drawer through the louver, so that the effect of the fan and the heat dissipation efficiency of the unit switch drawer are obviously improved, and the good operation of the switch cabinet is facilitated.

Drawings

FIG. 1 is a schematic view of the exterior and partial cross-sectional structure of a drawer main of the present utility model;

FIG. 2 is a schematic view of the overall external structure of the drawer main frame of the present utility model;

fig. 3 is a schematic diagram of the back structure of the switch cabinet of the utility model.

In the figure: 10. a switch cabinet body; 11. a heat radiation window; 20. a drawer main frame; 21. an outer protective shell; 21a, support ribs; 22. an inner protective shell; 23. a mounting hole; 30. a shielding layer; 40. a heat dissipation plate; 41a, a louver; 50. a fan; 60. a ventilation connecting tube; 61. a gas collecting hood; 62. and an air extracting plate.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Fig. 1-3 show the whole structure of a draw-out type switch cabinet of the present utility model, please refer to fig. 1-3, which includes a switch cabinet body 10, a plurality of adjacent drawer main frames 20 are disposed on the inner side and the front of the switch cabinet body 10, the drawer main frames 20 are composed of an outer protective shell 21 and an inner protective shell 22, a shielding layer 30 is further filled in the interlayer of the outer protective shell 21 and the inner protective shell 22, heat dissipation plates 40 with hollow structures are attached on both sides of the inner wall of the switch cabinet body 10, a plurality of air windows 41a are disposed on the outer side of the heat dissipation plates 40 and are communicated with the inner side of the heat dissipation plates, a fan 50 with an air exhaust end close to the rear of the switch cabinet body 10 is disposed on the center of the rear end of the drawer main frames 20, and an air ventilation connecting pipe 60 is communicated between the air inlet end of the fan 50 and the heat dissipation plates 40.

The inner side surface of the outer protecting shell 21 is also fixed with a plurality of supporting ribs 21a which are uniformly distributed and are abutted against the inner protecting shell 22, the supporting ribs 21a are welded with the outer protecting shell 21, and the outer protecting shell 21 can be stably supported through the supporting ribs 21a, so that the rigidity strength and the use stability of the whole drawer main frame 20 are improved.

The shielding layer 30 is made of graphene, the inner protective shell 22 is made of zinc alloy plates, in the embodiment, the graphene has excellent electromagnetic interference resistance and electromagnetic shielding characteristics, at least up to 97.8% of incident waves can be shielded, meanwhile, the inner shell made of zinc alloy has good electromagnetic field resistance, the whole structure is simple and reasonable, and the phenomenon that the switch cabinet is prone to energy scattering and electromagnetic wave mutual crosstalk interference in a high-load carrying state can be effectively prevented under the mutual cooperation, so that the switch cabinet is more stable in operation and use.

The inner rear part of the drawer main frame 20 is provided with a mounting hole 23 for mounting the fan 50; the ventilation connecting pipe 60 comprises a gas collecting hood 61 which is covered on the mounting hole 23 in a sealing way and is positioned on the inner side of the drawer main frame 20, and an air extracting plate 62, one end of which is communicated with two sides of the gas collecting hood 61, and the other end of which is communicated with the heat radiating plate 40; the back of the switch cabinet body 10 is also provided with radiating windows 11 corresponding to the fans 50, when the sensing unit detects that the temperature in the drawer cabinet reaches a limit value in the operation process, the fans 50 are immediately started at the moment, negative pressure suction is formed inside the radiating plates 40 on two sides by the fans 50 through the gas collecting hoods and the air exhaust plates 62, and the radiating plates 40 uniformly suck the heat in the drawer 20 in a diffusion mode through the air windows 41a and intensively discharge the heat through the radiating windows 11, so that the action effect of the fans 50 and the radiating efficiency of the unit switch drawers are obviously improved, and good operation of the switch cabinet is facilitated.

In summary, in the use of the draw-out type switch cabinet of this embodiment, through the shielding layer 30 and the inner protective case 22 made of zinc alloy materials, the drawer has good anti-electromagnetic interference performance, the phenomenon that the switch cabinet easily causes energy to be scattered outwards and electromagnetic waves to cross interference under the high-load carrying state can be effectively prevented under the mutual cooperation, the switch cabinet is more stable when in operation, simultaneously, the fan 50 can form negative pressure suction to the inside of the two-side heat dissipation plate 40 through the gas collecting hood and the air suction plate 62, and the heat dissipation plate 40 carries out diffusion type unified suction to the heat in the drawer 20 through the louver 41a, thereby obviously improving the action effect of the fan 50 and the heat dissipation efficiency of the unit switch drawer, and being favorable for good operation of the switch cabinet.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a pull-out type switch cabinet, its characterized in that, includes switch cabinet body (10), switch cabinet body (10) inboard and openly are provided with a plurality of adjacent drawer body frames (20) of arranging, drawer body frame (20) are by outer protecting case (21) and interior protecting case (22) constitution, just the intermediate layer department of outer protecting case (21) and interior protecting case (22) still is filled shielding layer (30), switch cabinet body (10) inner wall both sides laminating is provided with and inside heating panel (40) for cavity structure, the heating panel (40) outside is provided with a plurality of transom (41 a) that are linked together rather than inside, drawer body frame (20) rear end department placed in the middle is provided with and the fan (50) that the end of airing exhaust is close to switch cabinet body (10) rear portion, the intercommunication has ventilation connecting pipe (60) between fan (50) air inlet end and the heating panel (40).

2. A draw-out switchgear as claimed in claim 1, wherein: the inner side surface of the outer protective shell (21) is also fixed with a plurality of supporting ribs (21 a) which are uniformly distributed and are abutted against the inner protective shell (22).

3. A draw-out switchgear as claimed in claim 1, wherein: the shielding layer (30) is made of graphene, and the inner protective shell (22) is made of zinc alloy plates.

4. A draw-out switchgear as claimed in claim 1, wherein: the drawer main frame (20) has a mounting hole (23) at the inner rear for mounting the fan (50).

5. A draw-out switchgear as claimed in claim 1, wherein: the ventilation connecting pipe (60) comprises a gas collecting hood (61) which is covered on the mounting hole (23) in a sealing mode and is positioned on the inner side of the drawer main frame (20), and an air suction plate (62) with one end communicated with two sides of the gas collecting hood (61) and the other end communicated with the heat dissipation plate (40).

6. A draw-out switchgear as claimed in claim 1, wherein: the back of the switch cabinet body (10) is also provided with radiating windows (11) corresponding to the fans (50).