Metal armored withdrawable switch cabinet

Abstract

The utility model relates to the technical field of switch cabinets, and in particular to a metal armored drawer switch cabinet, comprising a cabinet body and a plurality of drawer cabinets, wherein the interior of the cabinet body is divided into a plurality of mutually independent cavities by partitions, wherein a plurality of heat conducting sheets are arranged inside the cavities, and the heat conducting sheets are spliced ​​to form slots for accommodating the insertion of the drawer cabinets, and heat dissipation fins are arranged on the outer side walls of the heat conducting sheets, and a gap is reserved between the heat conducting sheets and the inner side walls of the cabinet body, and a heat dissipation mechanism for blowing air to each cavity at the same time is arranged on the back of the cabinet body. By arranging the heat conducting sheets, heat dissipation fins and heat dissipation mechanism, the heat of the electrical components inside the drawer cabinet when working can be quickly extracted, the heat dissipation mechanism drives the flow of air, the heat dissipation fins increase the heat exchange area, the heat dissipation effect is better, and at the same time, the influence of each drawer cabinet on each other is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a metal armored draw-out switch cabinet. Background Art

[0002] According to the different cabinet structures, switch cabinets can be divided into open switch cabinets, metal-enclosed switch cabinets, and metal-enclosed armored switch cabinets. Obviously, the metal armored switch cabinet is closed inside, so its heat dissipation is poor.

[0003] In the Chinese Patent Literature Library, a patent with authorization announcement number CN221282700U discloses a metal-clad withdrawable switch cabinet. A mounting plate is arranged on the side wall of the cabinet, and a plurality of ventilation grooves are provided on the mounting plate to realize ventilation and heat dissipation of multiple pull-out cabinets inside the cabinet. However, in actual use, the heat generated by the electrical components during operation cannot be quickly discharged. At the same time, multiple pull-out cabinets may affect each other, resulting in poor heat dissipation effect. Summary of the invention

[0004] The purpose of the utility model is to provide a metal armored withdrawable switch cabinet to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a metal armored withdrawable switch cabinet, comprising a cabinet body and a plurality of pull-out cabinets, the interior of the cabinet body is divided into a plurality of independent cavities by partitions, a plurality of heat conductive sheets are arranged inside the cavities, and the heat conductive sheets are spliced ​​to form slots for accommodating the pull-out cabinets, cooling fins are arranged on the outer walls of the heat conductive sheets, a gap is reserved between the heat conductive sheets and the inner walls of the cabinet body, and a heat dissipation mechanism for blowing air to each cavity at the same time is arranged on the back of the cabinet body.

[0006] Furthermore, the heat dissipation mechanism comprises an outer shell fixed to the back of the cabinet and a fan installed inside the outer shell, and the back of the cavity is provided with a first through hole communicating with the inside of the outer shell.

[0007] Furthermore, the outer side wall of the heat conducting plate is fixedly connected to the inner side wall of the cavity via a mounting seat.

[0008] Furthermore, the pull-out cabinet comprises an installation cavity for installing electrical components and a limit baffle fixed on the front end surface of the installation cavity, and the size of the limit baffle is larger than the size of the front end surface of the cavity.

[0009] Furthermore, a plurality of second through holes communicating with the interior of the cavity are provided through the side of the limit baffle.

[0010] Furthermore, a sealing mechanism for closing the first through hole is provided on the outside of the cavity, and the sealing mechanism includes a sealing plate arranged inside the outer shell and a plurality of sliding rods horizontally fixed on the sealing plate. The sliding rods extend through the first through hole to the interior of the cavity and are fixed with a limiting plate. A spring is sleeved on the sealing plate inside the cavity.

[0011] Compared with the prior art, the beneficial effect of the utility model is that the metal armored drawer switch cabinet can quickly discharge the heat of the electrical components inside the drawer cabinet when they are working by arranging heat conductive plates, heat dissipating fins and heat dissipation mechanisms. The heat dissipation mechanism drives the flow of air, and the heat dissipation fins increase the heat exchange area, thereby achieving better heat dissipation effect and avoiding mutual influence between the drawer cabinets. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the front three-dimensional structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the three-dimensional structure of the back side of the utility model;

[0014] Figure 3 This is a schematic diagram of the three-dimensional structure of the cabinet of the utility model;

[0015] Figure 4 This is a schematic cross-sectional view of the structure of Embodiment 2 of the present utility model;

[0016] Figure 5 This is a schematic diagram of the explosion of Example 2 of the utility model.

[0017] In the figure: 1. cabinet body; 101. cavity; 102. first through hole; 2. pull-out cabinet; 201. mounting cavity; 202. limit baffle; 2021. second through hole; 3. heat conducting sheet; 301. heat dissipating fin; 302. mounting seat; 4. heat dissipating mechanism; 401. outer shell; 402. fan; 5. sealing mechanism; 501. sealing plate; 502. sliding rod; 503. spring; 504. limit plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. In the description of the utility model, it should be noted that the terms "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the utility model. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In order to make the terms "including" and any variations of them in the specification and claims of the utility model and the above-mentioned drawings, it is intended to cover non-exclusive inclusions.

[0019] In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "set" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0020] Example 1, please refer to Figure 1-3 The utility model provides an embodiment: a metal armored withdrawable switch cabinet, comprising a cabinet body 1 and a plurality of pull-out cabinets 2. The interior of the cabinet body 1 is divided into a plurality of independent cavities 101 from top to bottom by partitions. The pull-out cabinet 2 comprises an installation cavity 201 for installing electrical components and a limit baffle 202 fixed on the front end surface of the installation cavity 201. The size of the limit baffle 202 is larger than the size of the front end surface of the cavity 101. The limit baffle 202 abuts against the front end surface of the cavity 101 to play a limiting role.

[0021] A plurality of heat conducting sheets 3 are arranged inside the cavity 101, and the heat conducting sheets 3 are spliced ​​to form a slot for accommodating the insertion of the drawer cabinet 2. Further, after the drawer cabinet 2 is inserted inside, in this embodiment, the limit baffle 202 abuts against the front end surface of the cabinet body 1, and a fixing buckle can be provided as needed or the limit baffle 202 can be fixedly connected to the cabinet body 1 by bolts. In this embodiment, the slot is a rectangular structure with an open front end surface, and the outer side walls of the heat conducting sheets 3 around the slot are provided with heat dissipation fins 301, and the upper and lower two The outer wall of the heat conductive sheet 3 is fixedly connected to the inner wall of the cavity 101 through the mounting base 302. The mounting base 302 can be a long strip structure arranged along the length direction of the heat conductive sheet 3, or a block structure arranged at both ends of the heat conductive sheet 3, which abuts against the inner walls of the upper and lower ends of the cavity 101 to play a supporting and fixing role. The heat conductive sheet 3 is tightly attached to the outer wall of the pull-out cabinet 2, and the heat generated by the electrical components inside the pull-out cabinet 2 during operation can be evenly and quickly discharged. The heat dissipation fins 301 can increase the heat exchange area.

[0022] A gap is reserved between the heat conducting sheet 3 and the inner wall of the cabinet 1 to facilitate gas flow. Furthermore, a gap is also reserved between the end of the heat dissipating fin 301 and the inner wall of the cabinet 1 to facilitate gas flow between each heat dissipating fin 301.

[0023] A heat dissipation mechanism 4 for blowing air to each cavity 101 at the same time is provided on the back of the cabinet 1. The heat dissipation mechanism 4 includes an outer shell 401 fixed on the back of the cabinet 1 and a fan 402 installed inside the outer shell 401. The outer shell 401 fits tightly against the back of the cabinet 1 to form a closed cavity inside the outer shell 401. An air inlet is provided on the back of the outer shell 401, and a first through hole 102 communicating with the interior of the outer shell 401 is provided on the back of the cavity 101. When working, the fan 402 draws cold air from the outside into the interior of the outer shell 401 through the air inlet, and then blows air to the interior of each cavity 101 through the first through hole 102. The heat conductive sheet 3 is tightly attached to the surface of the pull-out cabinet 2 to quickly conduct heat during operation. The heat dissipation fins 301 increase the heat exchange area and achieve better heat dissipation effect.

[0024] Furthermore, a plurality of second through holes 2021 communicating with the interior of the cavity 101 are formed through the side of the limiting baffle 202 , and the air after heat exchange is discharged from the interior of the cavity 101 through the second through holes 2021 .

[0025] Example 2, please refer to Figure 4-5In this embodiment, on the basis of the first embodiment, a sealing mechanism 5 for sealing the first through hole 102 is arranged outside the cavity 101, and the sealing mechanism 5 comprises a sealing plate 501 arranged inside the outer shell 401 and a plurality of slide bars 502 horizontally fixed on the sealing plate 501, the slide bars 502 extend through the first through hole 102 to the inside of the cavity 101 and are fixed with a limiting plate 504, and a spring 503 is sleeved on the sealing plate 501 inside the cavity 101. In this embodiment, the number of heat conducting sheets 3 is four, which are spliced ​​into a rectangular frame structure. When in use, the drawer cabinet 2 Push the inner side of the heat conducting plate 3, the back side of the drawer 2 squeezes the limit plate 504 backward, and then drives the limit plate 504, the slide bar 502 and the sealing plate 501 to move backward, the limit plate 504 compresses the spring 503, and the sealing plate 501 is separated from the first through hole 102, so that the air inside the outer shell 401 can enter the cavity 101 through the first through hole 102 for heat dissipation. When the drawer 2 is pulled out, the spring 503 pushes the limit plate 504, the slide bar 502 and the sealing plate 501 to reset, and then makes the sealing plate 501 close to the back side of the cabinet 1, and then blocks the first through hole 102.

[0026] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A metal-clad withdrawable switch cabinet, comprising a cabinet body (1) and a plurality of drawer cabinets (2), wherein the interior of the cabinet body (1) is divided into a plurality of mutually independent cavities (101) by partitions, and characterized in that: A plurality of heat conducting sheets (3) are arranged inside the cavities (101), and the heat conducting sheets (3) are spliced ​​to form a slot for accommodating the insertion of the drawer cabinet (2), and heat dissipation fins (301) are arranged on the outer side walls of the heat conducting sheets (3), and a gap is reserved between the heat conducting sheets (3) and the inner side walls of the cabinet body (1), and a heat dissipation mechanism (4) for blowing air toward each cavity (101) at the same time is arranged on the back of the cabinet body (1).

2. The metal-clad withdrawable switch cabinet according to claim 1, characterized in that: The heat dissipation mechanism (4) comprises an outer shell (401) fixed to the back of the cabinet (1) and a fan (402) installed inside the outer shell (401), and the back of the cavity (101) is provided with a first through hole (102) communicating with the inside of the outer shell (401).

3. The metal-clad withdrawable switch cabinet according to claim 1, characterized in that: The outer side wall of the heat conducting sheet (3) is fixedly connected to the inner side wall of the cavity (101) via a mounting seat (302).

4. The metal armored withdrawable switch cabinet according to claim 1, characterized in that: The drawer cabinet (2) comprises an installation cavity (201) for installing electrical components and a limit baffle (202) fixed on the front end surface of the installation cavity (201), wherein the size of the limit baffle (202) is larger than the size of the front end surface of the cavity (101).

5. The metal armored withdrawable switch cabinet according to claim 4, characterized in that: A plurality of second through holes (2021) communicating with the interior of the cavity (101) are provided through the side of the limit baffle (202).

6. The metal-clad withdrawable switch cabinet according to claim 2, characterized in that: A sealing mechanism (5) for sealing the first through hole (102) is arranged on the outside of the cavity (101), the sealing mechanism (5) comprising a sealing plate (501) arranged inside the outer shell (401) and a plurality of sliding rods (502) horizontally fixed on the sealing plate (501), the sliding rods (502) extending through the first through hole (102) to the inside of the cavity (101) and fixed to a limiting plate (504), and a spring (503) is sleeved on the sealing plate (501) inside the cavity (101).

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