CN206851237U - A kind of efficient heat radiation enclosure - Google Patents

Abstract

The utility model discloses a kind of efficient heat radiation enclosure, the efficient heat radiation enclosure includes casing, radiator fan, heat dissipation channel and device module, the radiator fan is arranged on the upper surface of casing, the heat dissipation channel is arranged between radiator fan and device module, the heat dissipation channel is in device module to being insertion expansion structure on radiator fan direction, the heat dissipation channel includes clinch and the enlarged portion being arranged on above clinch, the upper end of the lower end overlap joint device module of the clinch, the upper end of the enlarged portion overlaps the radiator fan.Efficient heat radiation enclosure of the present utility model uses heat dissipation channel wide at the top and narrow at the bottom, and in the particularly suitable variable-frequency power sources cabinet limited in compact-sized space, lower narrow structure can reduce air channel and take chassis space so that internal wire rod cabling is more attractive, easy；Upper wide structure can increase exhausting amount, preferably radiate.

Description

A high-efficiency heat dissipation chassis

technical field

The utility model relates to the field of heat dissipation, in particular to an efficient heat dissipation cabinet.

Background technique

The design of the air duct is the key to the design of the variable frequency power supply chassis. It is related to the heat dissipation of the internal components. A good air duct design can effectively dissipate the internal heat and ensure the normal operation of the power supply.

The conventional air duct design is to install a fan on the top of the variable frequency power supply, and use the front and rear air duct baffles to form an air duct in the middle, with the same width from top to bottom, as shown in Figure 4. This design takes up a lot of space, has low heat dissipation efficiency, and has poor heat dissipation effect.

Utility model content

In order to solve the problems of the prior art, the utility model provides a high-efficiency heat dissipation chassis, which adopts a heat dissipation channel with a wide top and a narrow bottom, which is especially suitable for frequency conversion power supply chassis with compact structure and limited space. The narrow bottom structure can Reduce the space occupied by the air duct, making the internal wire routing more beautiful and convenient; the upper wide structure can increase the air volume and better heat dissipation. Described technical scheme is as follows:

The utility model provides a high-efficiency heat dissipation chassis, which includes a box body, a heat dissipation fan, a heat dissipation channel and a device module, the heat dissipation fan is installed on the upper surface of the box body, and the heat dissipation channel is arranged between the heat dissipation fan and the device module Between, the heat dissipation channel is a through expansion structure in the direction from the device module to the cooling fan, the heat dissipation channel includes an overlapping part and an expansion part arranged above the overlapping part, and the lower end of the overlapping part overlaps the device module The upper end of the expansion part overlaps the cooling fan.

Further, the number of the device modules is one or more, and the heat dissipation channels are in one-to-one correspondence with the device modules.

Further, the expansion part of the heat dissipation channel corresponds to a plurality of heat dissipation fans.

Further, a threading hole is provided on the side wall of the heat dissipation channel, and the threading hole guides a wire for connecting to a heat dissipation fan.

Further, the threading hole is provided on the side wall of the expansion part, and the threading hole is close to the cooling fan.

Further, a power supply is also provided in the box, and the power supply is used to supply power to the cooling fan through the wires.

Further, the overlapping portion is square, and one or more helical blades are arranged inside the overlapping portion, and the helical blades are used to guide the airflow entering the heat dissipation channel in a concentrated manner.

Further, a detachable filter screen is arranged inside the expansion part, and the filter screen is used for filtering dust.

Further, the filter screen is made of metal material.

Further, a sound-absorbing sheet is provided on the inner wall of the heat dissipation channel to reduce the noise generated by the airflow passing through the heat dissipation channel.

The beneficial effects brought by the technical solution provided by the utility model are as follows:

1) The narrow structure under the heat dissipation channel can reduce the space occupied by the air channel, making the internal wire routing more beautiful and convenient;

2) The wide structure on the heat dissipation channel can increase the air volume and better heat dissipation;

3) One-to-one docking with device modules, especially suitable for frequency conversion power supply cabinets with compact structure and limited space.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings in the following description are only some implementations of the present invention. For example, those of ordinary skill in the art can also obtain other drawings based on these drawings on the premise of not paying creative efforts.

Fig. 1 is a schematic diagram of the heat dissipation channel structure of the high-efficiency heat dissipation chassis provided by the embodiment of the present invention;

Fig. 2 is a schematic structural view of the high-efficiency heat dissipation chassis provided by the embodiment of the present invention;

Fig. 3 is an enlarged schematic diagram of part of the structure of the high-efficiency heat dissipation chassis provided by the embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a chassis in the prior art.

Wherein, the reference signs are: 1-cabinet, 2-radiating fan, 3-radiating channel, 31-threading hole, 32-lapping part, 33-expanding part, 4-device module.

detailed description

In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiment of the utility model. Obviously, the described The embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

It should be noted that the terms "first" and "second" in the specification and claims of the present utility model and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific order or sequence . It is to be understood that the data so used are interchangeable under appropriate circumstances such that the embodiments of the invention described herein can be practiced in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion, for example, a process, method, means, product or equipment comprising a series of steps or elements need not be limited to the expressly listed instead, may include other steps or elements not explicitly listed or inherent to the process, method, product or apparatus.

Example 1

In one embodiment of the present utility model, a high-efficiency heat dissipation chassis is provided, referring to Fig. 1-Fig. The heat dissipation fan 2 is installed on the upper surface of the box body 1, the heat dissipation channel 3 is arranged between the heat dissipation fan 2 and the device module 4, and the heat dissipation channel 3 is a through expansion structure in the direction from the device module 4 to the heat dissipation fan 2 , the heat dissipation channel 3 includes an overlapping portion 32 and an expansion portion 33 arranged above the overlapping portion 32, the lower end of the overlapping portion 32 overlaps the upper end of the device module 4, and the upper end of the expansion portion 33 overlaps The cooling fan 2.

In the embodiment, the number of the device modules 4 is preferably three, and correspondingly, the number of heat dissipation channels 3 is also three, and the heat dissipation channels 3 correspond to the device modules 4 one by one, and each device module 4 The heat dissipated generally enters the corresponding heat dissipation channel, and is discharged to the outside of the chassis body 1 under the action of the heat dissipation fan 2 .

As a preferred embodiment, the expansion portion 33 of the heat dissipation channel 3 corresponds to a plurality of cooling fans 2 , as shown in FIG. 1 , each expansion portion 33 of the heat dissipation channel 3 corresponds to two cooling fans 2 .

In order to facilitate wiring, the side wall of the heat dissipation channel 3 is provided with a threading hole 31, and the threading hole guides the wire used to connect the cooling fan 2. Preferably, the threading hole 31 is provided on the side wall of the expansion part 33 , the threading hole 31 is close to the cooling fan 2 . Correspondingly, the box body 1 is also provided with a power supply, and the power supply is used to supply power to the cooling fan 2 through the wires.

In the embodiment of the present utility model, the overlapping portion 32 is square, and one or more helical blades are arranged in the overlapping portion 32, and the helical blades are used to guide the airflow entering the heat dissipation channel 3 in a concentrated manner. flow effect. Preferably, a plurality of helical blades are arranged side by side. Adding the helical blades can achieve a strong flow guiding effect and speed up the speed of the airflow passing through the heat dissipation channel 3, but the utility model is not limited to the technical scheme including the helical blades. Down, the technical scheme of the utility model can be realized equally.

Example 2

On the basis of Embodiment 1, in the embodiment of the present utility model, a filter screen is provided in the expansion part 33, and the filter screen is used to filter dust, so as to prevent dust from being discharged into the room outside the chassis and affect people's respiratory health. Preferably, the filter screen is a detachable structure, which is convenient for regular disassembly and cleaning. On the other hand, the filter screen is preferably made of metal material, which can dissipate heat while filtering, and further improve heat dissipation efficiency.

In order to improve the mute effect, a sound-absorbing sheet is provided on the inner wall of the heat dissipation channel 3 to reduce the noise generated by the airflow passing through the heat dissipation channel 3 and improve user experience comfort.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (10)

1. A high-efficiency heat dissipation chassis is characterized in that it comprises a casing (1), a heat dissipation fan (2), a heat dissipation channel (3) and a device module (4), and the heat dissipation fan (2) is installed in the casing ( 1), the heat dissipation passage (3) is arranged between the heat dissipation fan (2) and the device module (4), and the heat dissipation passage (3) is connected between the device module (4) and the heat dissipation fan (2) The direction is a through expansion structure, the heat dissipation channel (3) includes an overlapping portion (32) and an expansion portion (33) arranged above the overlapping portion (32), and the lower end of the overlapping portion (32) overlaps The upper end of the device module (4), the upper end of the expansion part (33) overlaps the cooling fan (2). 2. The high-efficiency heat dissipation chassis according to claim 1, characterized in that, the number of the device modules (4) is one or more, and the heat dissipation channels (3) correspond to the device modules (4) one-to-one . 3. The high-efficiency heat dissipation chassis according to claim 1, characterized in that, the expansion portion (33) of the heat dissipation channel (3) corresponds to a plurality of heat dissipation fans (2). 4. The high-efficiency heat dissipation chassis according to claim 1, characterized in that, a threading hole (31) is provided on the side wall of the heat dissipation channel (3), and the threading hole guides the wire for connecting the heat dissipation fan (2). wire. 5. The high-efficiency heat dissipation chassis according to claim 4, characterized in that, the threading hole (31) is arranged on the side wall of the expansion part (33), and the threading hole (31) is close to the cooling fan (2 ). 6. The high-efficiency heat dissipation chassis according to claim 4, characterized in that, a power supply is also provided in the box body (1), and the power supply is used to supply power to the heat dissipation fan (2) through the wires. 7. The high-efficiency heat dissipation chassis according to claim 1, characterized in that, the overlapping portion (32) is square, and one or more helical blades are arranged in the overlapping portion (32), and the helical blades It is used to guide the airflow entering the heat dissipation channel (3) in a concentrated manner. 8. The high-efficiency heat dissipation chassis according to claim 1, characterized in that, a detachable filter screen is arranged inside the expansion part (33), and the filter screen is used to filter dust. 9. The high-efficiency heat dissipation chassis according to claim 8, wherein the filter is made of metal material. 10. The high-efficiency heat dissipation chassis according to any one of claims 1-9, characterized in that, the inner wall of the heat dissipation channel (3) is provided with a sound-absorbing sheet for reducing the noise generated by the airflow passing through the heat dissipation channel (3) .