CN202679891U - heat radiation apparatus for electromagnetic shielding equipment cabinet - Google Patents

Abstract

The utility model discloses a cooling device for an electromagnetic shielding cabinet, which comprises an electromagnetic shielding cabinet, at least one heat pipe and a heat dissipation device. The electromagnetic shielding cabinet is provided with holes, the number of holes is the same as that of the heat pipes, and the size of the holes is the same as that of the heat pipes. The outer diameter of the heat pipe corresponds; the heat pipe includes a heat-absorbing part and a heat-dissipating part, and the heat-absorbing part is vertically loaded into the electromagnetic shielding cabinet through the hole, and is evenly arranged at the front end of the heat dissipation hole of the server in the electromagnetic shielding cabinet. Part of it is placed on the top of the electromagnetic shielding cabinet; the heat dissipation device includes a shell and at least one piece of heat dissipation fin arranged inside the shell, and the heat dissipation fin is welded to the heat dissipation part of the heat pipe. The utility model applies the heat pipe technology, which greatly improves the heat dissipation efficiency of the cabinet, ensures the stability and reliability of the network equipment operation, and at the same time, cancels the large-area top and bottom ventilation windows, saving the complicated waveguide window and the electromagnetic of the cabinet. Shielding performance is also greatly improved.

Description

An electromagnetic shielding cabinet cooling device

technical field

The utility model relates to a cooling device, in particular to a cooling device for an electromagnetic shielding cabinet.

Background technique

The electromagnetic shielding cabinet is made of cold-rolled steel plate through welding process. It mainly houses the computer server of the microcomputer network. Because to prevent electromagnetic leakage, the cabinet has high requirements on electromagnetic sealing performance, and no holes are allowed. Therefore, the passage holes of the cabinet cables And the opening structure of the cabinet door must undergo special design and technical processing to ensure that the electromagnetic shielding performance of the cabinet meets the specified index requirements.

The traditional heat dissipation method of the cabinet adopts fan air convection heat dissipation, and there are ventilation windows on the top and bottom of the electromagnetic shielding cabinet. In order to reduce the electromagnetic leakage of the cabinet, the ventilation window adopts a complex waveguide window design. The traditional heat dissipation method of waveguide window and fan is not high in heat dissipation efficiency, especially in the case of the doubled power density of today's computer servers, because the temperature of the electromagnetic shielding cabinet exceeds the standard and the phenomenon of automatic shutdown occurs from time to time, the heat dissipation of the electromagnetic shielding cabinet has become a prominent question.

Utility model content

Purpose of the utility model: The purpose of the utility model is to address the deficiencies of the prior art and provide an electromagnetic shielding cabinet cooling device that improves heat dissipation efficiency and electromagnetic shielding performance and avoids shutdown.

Technical solution: The electromagnetic shielding cabinet heat dissipation device described in the utility model includes an electromagnetic shielding cabinet, at least one heat pipe and a heat dissipation device. The electromagnetic shielding cabinet is provided with holes, and the number of holes is the same as that of the heat pipes. The size of the hole corresponds to the outer diameter of the heat pipe; the heat pipe includes a heat-absorbing part and a heat-dissipating part, and the heat-absorbing part is vertically installed into the electromagnetic shielding cabinet through the hole, and evenly arranged at the front end of the cooling hole of the server in the electromagnetic shielding cabinet The heat dissipation part is placed on the top of the electromagnetic shielding cabinet; the heat dissipation device includes a housing and at least one cooling fin disposed inside the housing, and the cooling fin is welded to the heat dissipation part of the heat pipe.

In order to improve the heat dissipation efficiency of the heat dissipation device and prevent heat accumulation, the heat dissipation fins are evenly arranged inside the housing. The heat dissipation device also includes a fan embedded in the side wall of the casing. A heat dissipation medium is arranged inside the housing, and the medium is Freon.

In order to improve the heat conduction performance of the heat pipe, the material of the heat pipe is copper.

In order to ensure the heat conduction performance between the heat sink and the heat pipe, the heat sink and the heat pipe are brazed by immersion tin.

In order to make the electromagnetic shielding cabinet a complete sealed cabinet and improve the performance of electromagnetic shielding, the heat pipe passes through the hole of the electromagnetic shielding cabinet and is welded and fixed at the hole, and the welding is performed according to the requirements of electromagnetic shielding.

Beneficial effects: the cooling device for electromagnetic shielding cabinets described in the utility model applies heat pipe technology. Due to the excellent thermal conductivity of the heat pipes, the heat dissipation efficiency of the cabinet is greatly improved, and the stability and reliability of network equipment operation are guaranteed. At the same time , Cancel the large-area top and bottom ventilation windows, save the complicated waveguide windows, and the electromagnetic shielding performance of the cabinet has also been greatly improved.

Description of drawings

Fig. 1 is the front view of a kind of electromagnetic shielding cabinet cooling device described in the utility model;

Fig. 2 is a perspective view of an electromagnetic shielding cabinet cooling device described in the present invention.

in:

1. Electromagnetic shielding cabinet; 2. Heat pipe; 3. Heat sink.

Detailed ways

The technical solutions of the utility model are described in detail below, but the protection scope of the utility model is not limited to the embodiments.

Embodiment: An electromagnetic shielding cabinet cooling device disclosed by the utility model, its front view is shown in Figure 1, and its perspective view is shown in Figure 2, including an electromagnetic shielding cabinet 1, at least one heat pipe 2 and a cooling device. In the example, the number of heat pipes 2 is six.

The electromagnetic shielding cabinet 1 is used to place servers and is a complete sealed structure. One side of the top surface is provided with holes, the number of holes is the same as that of the heat pipes, and the size of the holes corresponds to the outer diameter of the heat pipes.

The heat pipe 2 is made of copper, including a heat-absorbing part and a heat-dissipating part. The heat-absorbing part is vertically installed into the electromagnetic shielding cabinet through the hole, and evenly arranged at the front end of the cooling hole of the server in the electromagnetic shielding cabinet. The heat pipe 2 passes through the electromagnetic shielding cabinet. After the hole, weld and fix it at the hole. In order to improve the performance of electromagnetic shielding, the welding here needs to meet the requirements of electromagnetic shielding. The heat dissipation part is placed on the top of the electromagnetic shielding cabinet.

The heat dissipation device includes a casing and at least one cooling fin 3, and the cooling fins 3 are evenly distributed inside the casing. The radiating fin 3 and the heat radiating part of the heat pipe are welded by dipping tin brazing to ensure the heat conduction performance between the radiating fin and the heat pipe. The heat dissipation device also includes a fan embedded in the side wall of the housing. In addition, a heat dissipation medium is arranged inside the housing, and the medium is Freon.

When the heat dissipation device of the electromagnetic shielding cabinet described in the utility model is working, the heat emitted from the heat dissipation hole of the server is transferred to the heat dissipation part of the heat pipe 2 through the heat absorption part of the heat pipe 2, and the heat dissipation part transfers the heat to the heat dissipation device to dissipate heat. The device dissipates heat through heat sinks, fans and heat-dissipating medium Freon. This cooling device applies heat pipe technology. Due to the excellent thermal conductivity of the heat pipe, the heat dissipation efficiency of the cabinet is greatly improved, and the stability and reliability of network equipment operation are ensured. The waveguide window, the electromagnetic shielding performance of the cabinet is also greatly improved.

As stated above, although the invention has been shown and described with reference to certain preferred embodiments, this should not be construed as limiting the invention itself. Various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. An electromagnetic shielding cabinet cooling device is characterized in that it comprises an electromagnetic shielding cabinet, at least one heat pipe and heat dissipation device, holes are set on the electromagnetic shielding cabinet, the number of holes is the same as the number of the heat pipes, and the size of the holes is Corresponding to the outer diameter of the heat pipe; the heat pipe includes a heat-absorbing part and a heat-dissipating part, and the heat-absorbing part is vertically installed into the electromagnetic shielding cabinet through the hole, and is evenly arranged at the front end of the heat dissipation hole of the server in the electromagnetic shielding cabinet. The heat dissipation part is placed on the top of the electromagnetic shielding cabinet; the heat dissipation device includes a housing and at least one cooling fin arranged inside the housing, and the cooling fin is welded to the heat dissipation part of the heat pipe. 2 . The heat dissipation device for an electromagnetic shielding cabinet according to claim 1 , wherein the heat dissipation fins are evenly arranged inside the housing. 3 . 3 . The heat dissipation device for an electromagnetic shielding cabinet according to claim 1 , wherein the heat dissipation device further comprises a fan, and the fan is embedded in the side wall of the casing. 4 . 4 . The electromagnetic shielding cabinet cooling device according to claim 1 , wherein a heat dissipation medium is arranged inside the housing, and the medium is Freon. 5 . 5 . The electromagnetic shielding cabinet cooling device according to claim 1 , wherein the material of the heat pipe is copper. 6 . The cooling device for an electromagnetic shielding cabinet according to claim 1 , wherein the heat sink and the heat pipe are brazed by immersion tin. 7 . 7 . The heat dissipation device for electromagnetic shielding cabinets according to claim 1 , wherein the heat pipes are welded and fixed at the holes after passing through the holes of the electromagnetic shielding cabinets. 7 .

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