CN217308126U - A small chassis heat dissipation structure - Google Patents

Abstract

The utility model relates to a heat dissipation structure of a small case, which can include a heat dissipation aluminum profile, an inner heat dissipation fan and an outer heat dissipation fan. The inner heat dissipation channel and the inner heat dissipation fan form an inner circulation to conduct the heat in the chassis to the heat dissipation aluminum profile, and the outer heat dissipation channel and the outer heat dissipation fan form an outer circulation to dissipate heat. The heat on the aluminium profile is dissipated to the outside environment. The independent inner circulation and independent outer circulation of the chassis heat dissipation are realized through the cooling fan assembly, and the heat inside the chassis is conducted from the heat dissipation aluminum profile to the outside of the chassis, and at the same time, the interior of the chassis is kept clean and free from external dust and water vapor, which improves the use of electrical equipment inside the chassis. life.

Description

A small chassis heat dissipation structure

technical field

The utility model relates to the field of chassis, in particular to a heat dissipation structure of a small chassis.

Background technique

In order to solve the heat dissipation problem, the conventional small chassis generally adopts the direct ventilation mode (that is, the air outside the chassis is sucked into the chassis by a fan for heat exchange and then discharged out of the chassis). The main problem of the direct ventilation mode is that dust and water vapor can directly enter the inside of the case through the air flow and accumulate, which can easily cause electrical equipment failure for a long time.

SUMMARY OF THE INVENTION

The utility model aims to provide a small chassis heat dissipation structure to solve the above problems. For this reason, the concrete technical scheme that the utility model adopts is as follows:

A small chassis heat dissipation structure, which can include heat dissipation aluminum profiles, an inner heat dissipation fan and an outer heat dissipation fan, the heat dissipation aluminum profiles are installed on the left and right sides of the chassis and have inner and outer heat dissipation channels spaced apart from each other. The inner heat dissipation channel and the inner heat dissipation fan form an inner circulation to conduct the heat in the chassis to the heat dissipation aluminum profile, and the outer heat dissipation channel and the outer heat dissipation fan form an outer circulation to dissipate the heat on the heat dissipation aluminum profile. The heat is dissipated to the external environment.

Further, the inner heat dissipation channel has an upper air inlet and a lower air outlet, and the inner cooling fan is installed at the lower air outlet to suck the air in the chassis from the upper air inlet into the inner heat dissipation channel. and discharged into the chassis through the lower air outlet.

Further, the upper air inlet and the lower air outlet are located on the inner side of the heat dissipation aluminum profile.

Further, the outer heat dissipation channel has a lower air inlet and an upper air outlet, and the outer heat dissipation fan is installed at the lower air inlet to draw external cold air into the outer heat dissipation channel and from the outer heat dissipation channel. The upper air outlet vents to the outside environment.

Further, the lower air inlet and the upper air outlet are located on the inner side and the top of the heat-dissipating aluminum profile, respectively.

Further, the heat dissipation structure further includes a heat dissipation top cover, the heat dissipation top cover is installed on the top plate of the chassis and covers the top of the heat dissipation aluminum profile, and there is a hollow part between the top plate and the heat dissipation top cover, The upper air outlet communicates with the hollow part.

Further, the heat dissipation structure further includes a side shield, and the side shield covers the outer surface of the heat dissipation aluminum profile.

Further, the upper and lower parts of the side shield are provided with shutters.

Further, the inner heat dissipation channel is located between the two outer heat dissipation channels.

Further, the cross-sections of the inner heat dissipation channel and the outer heat dissipation channel are in a "concave" shape.

The utility model adopts the above technical scheme, and has the beneficial effects that the independent inner circulation and independent outer circulation of the heat dissipation of the chassis are realized through the cooling fan assembly, the heat inside the chassis is conducted from the heat dissipation aluminum profiles to the outside of the chassis, and at the same time, the interior of the chassis is kept clean and tidy, There is no external dust and water vapor, which improves the service life of the electrical equipment inside the chassis.

Description of drawings

To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be combined with the relevant description of the specification to explain the operation principles of the embodiments. With reference to these contents, those of ordinary skill in the art should be able to understand other possible embodiments and the advantages of the present invention. Components in the figures are not drawn to scale, and similar component symbols are often used to represent similar components.

1 is a perspective view of a small case of the present invention, wherein the case door is removed to illustrate the heat dissipation structure;

Fig. 2 is a partial exploded view of the small case shown in Fig. 1;

FIG. 3 is a partial perspective view of the small case shown in FIG. 1 .

FIG. 4 is a schematic diagram of the inner circulation of the heat dissipation structure of the small chassis shown in FIG. 1;

FIG. 5 is a schematic diagram of the outer circulation of the heat dissipation structure of the small case shown in FIG. 1 .

Detailed ways

It should be noted that the experimental methods described in the following embodiments are conventional methods unless otherwise specified, and the reagents and materials can be obtained from commercial sources unless otherwise specified; in the description of this application, The terms "landscape", "portrait", "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", The orientation or positional relationship indicated by "inside" and "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must be It has a specific orientation, is constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

Furthermore, the terms "horizontal", "vertical", "overhanging" etc. do not imply that a component is required to be absolutely horizontal or overhang, but rather may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical", it does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of this application, it should also be noted that, unless otherwise expressly specified and limited, the terms "arrangement", "installation", "connection" and "connection" should be interpreted in a broad sense, for example, it may be a fixed connection, It can also be a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or the internal communication between the two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

The present utility model will now be further described with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1-3, a small chassis heat dissipation structure may include heat dissipation aluminum profiles 1, inner heat dissipation fans 2 and outer heat dissipation fans 3. The heat dissipation aluminum profiles 1 are installed on the left and right sides of the chassis and have inner heat dissipation spaced apart from each other. The channel 11 and the outer cooling channel 12, the inner cooling channel 12 and the inner cooling fan 2 form an inner circulation to conduct the heat in the chassis to the cooling aluminum profile 1. The circulation path is shown in Figure 4, and the outer cooling channel 12 and the outer cooling The fan 3 forms an external circulation to dissipate the heat on the heat-dissipating aluminum profile 1 to the external environment. The circulation path is shown in FIG. 5 . Since the internal and external circulations are independent of each other, dust and water vapor from the external environment will not enter the interior of the chassis, and the interior of the chassis is kept clean and tidy, which improves the service life of the electrical equipment inside the chassis.

Specifically, the inner heat dissipation channel 11 has an upper air inlet 111 and a lower air outlet 112 , wherein the upper air inlet 111 and the lower air outlet 112 are located on the inner side of the heat dissipation aluminum profile 1 . The inner cooling fan 2 is installed at the lower air outlet 112 to suck the hot air in the chassis from the upper air inlet 111 into the inner cooling channel 11, and the hot air conducts the heat to the cooling aluminum profile 1 in the inner cooling channel 11, and the temperature decreases , and then discharged into the chassis through the lower air outlet 112 and the inner cooling fan 2 . It should be understood that the inner cooling fan 2 can also be installed at the upper air inlet 111 .

The outer heat dissipation channel 12 has a lower air inlet 121 and an upper air outlet 122, wherein the lower air inlet 121 and the upper air outlet 122 are located on the inner side and the top of the heat dissipation aluminum profile 1, respectively. The outer cooling fan 3 is installed at the lower air inlet 121 to draw the external cold air into the outer cooling channel 12 and discharge it into the external environment from the upper air outlet 122, so as to realize the removal of the heat of the cooling aluminum profile 1. It should be understood that the external cooling fan 3 can also be installed at the upper air outlet 122 .

In this embodiment, the inner heat dissipation channel 11 is located between the two outer heat dissipation channels 12 , and the top of the inner heat dissipation channel 11 is closed, and the bottom of the outer heat dissipation channel 12 is closed. The cross-sections of the inner heat dissipation channel 11 and the outer heat dissipation channel 12 are in a "concave" shape. The air inlet of the inner cooling fan 2 is aligned with the lower air outlet 112 of the inner cooling channel 11 and the air outlet thereof leads to the inside of the case. The air inlet of the outer cooling fan 3 is aligned with the air inlet at the bottom of the chassis and the air outlet thereof is aligned with the lower air inlet 121 of the outer cooling channel 12 .

Preferably, the inner cooling fan 2 and the outer cooling fan 3 are covered by a shield 4 to prevent dust from entering. The top of the shield 4 is provided with an opening 41 aligned with the air outlet of the inner cooling fan 2 to discharge air into the case.

In addition, the heat dissipation structure may further include a heat dissipation top cover 5 , and the heat dissipation top cover 5 is installed on the top plate 6 of the chassis and covers the top of the heat dissipation aluminum profile 1 . There is a hollow part between the top plate 6 and the heat dissipation top cover 5 , and the upper air outlet 122 of the outer heat dissipation channel 12 communicates with the hollow part. The heat dissipation top cover 5 can effectively prevent the sun from directly irradiating the top of the chassis. At the same time, the air in the hollow parts of the top plate 6 and the heat dissipation top cover 5 is positive pressure and is a flowing gas, which can effectively prevent the solar radiation heat of the top cover from being conducted into the chassis.

In addition, the heat dissipation structure further includes a side shield 7 , and the side shield 7 covers the outer surface of the heat dissipation aluminum profile 1 . The side shield 7 can effectively prevent the sun from directly irradiating the heat-dissipating aluminum profile 1 , and at the same time, the upper and lower parts of the side shield 7 are provided with louvers 71 , which is beneficial to the heat dissipation of the heat-dissipating aluminum profile 1 .

Although the present invention has been specifically shown and described in conjunction with preferred embodiments, it will be understood by those skilled in the art that changes in form and detail may be made without departing from the spirit and scope of the present invention as defined by the appended claims. Various changes are made to the present utility model, which are all within the protection scope of the present utility model.

Claims (10)

1. A small chassis heat dissipation structure, characterized in that it includes a heat dissipation aluminum profile, an inner heat dissipation fan and an outer heat dissipation fan, and the heat dissipation aluminum profile is installed on the left and right sides of the chassis and has inner heat dissipation channels and outer heat dissipation channels that are spaced apart from each other. The inner heat dissipation channel and the inner heat dissipation fan form an inner circulation to conduct the heat in the chassis to the heat dissipation aluminum profile, and the outer heat dissipation channel and the outer heat dissipation fan form an outer circulation to dissipate heat. The heat on the aluminium profile is dissipated to the outside environment. 2 . The heat dissipation structure of a small chassis according to claim 1 , wherein the inner heat dissipation channel has an upper air inlet and a lower air outlet, and the inner cooling fan is installed at the lower air outlet to dissipate the air in the chassis. 3 . Air is sucked from the upper air inlet into the inner heat dissipation channel and discharged into the chassis through the lower air outlet. 3 . The heat dissipation structure of a small chassis according to claim 2 , wherein the upper air inlet and the lower air outlet are located on the inner side of the heat dissipation aluminum profile. 4 . 4. The heat dissipation structure of a small chassis according to claim 1, wherein the outer heat dissipation channel has a lower air inlet and an upper air outlet, and the outer cooling fan is installed at the lower air inlet to dissipate the external air. Cool air is drawn into the outer heat dissipation channel and discharged into the external environment from the upper air outlet. 5 . The heat dissipation structure of a small chassis according to claim 4 , wherein the lower air inlet and the upper air outlet are located on the inner side and the top of the heat dissipation aluminum profile, respectively. 6 . 6 . The heat dissipation structure of a small case according to claim 5 , further comprising a heat dissipation top cover, the heat dissipation top cover is mounted on the top plate of the chassis and covers the top of the heat dissipation aluminum profile, and the top plate is connected to the top plate of the chassis. 7 . There is a hollow part between the heat dissipation top covers, and the upper air outlet communicates with the hollow part. 7 . The heat dissipation structure of a small chassis according to claim 1 , further comprising a side shield, the side shield covering the outer surface of the heat dissipation aluminum profile. 8 . 8 . The heat dissipation structure of a small case as claimed in claim 7 , wherein the upper and lower parts of the side shield are provided with louvers. 9 . 9 . The heat dissipation structure of a small case as claimed in claim 1 , wherein the inner heat dissipation channel is located between two outer heat dissipation channels. 10 . 10 . The heat dissipation structure of a small chassis according to claim 1 , wherein the cross-sections of the inner heat dissipation channel and the outer heat dissipation channel are in a “concave” shape. 11 .

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