CN215345679U

CN215345679U - Active heat dissipation module

Info

Publication number: CN215345679U
Application number: CN202121821295.0U
Authority: CN
Inventors: 叶剑文
Original assignee: Lenovo Changfeng Technology Beijing Co Ltd
Current assignee: Lenovo Changfeng Technology Beijing Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-28
Anticipated expiration: 2031-08-05

Abstract

The application discloses initiative heat dissipation module, initiative heat dissipation module includes: the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole; the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the joint of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module. The technical problems that the heat dissipation service performance is influenced due to the fact that the heat dissipation area of an air duct is insufficient and hot air backflow caused by cold and hot cross air is caused due to the fact that the existing heat dissipation module is not designed perfectly in the prior art are solved.

Description

Active heat dissipation module

Technical Field

The application relates to the technical field of heat dissipation, in particular to an active heat dissipation module.

Background

In the application fields of special communication vehicles, ships and warships and the like with narrow space, the data processing server is required to be compact in structure. Originally, a high-power and large-volume board card module needs to be installed in a compact space. Contradictory to this is the requirement of heat dissipation design. Because the heat dissipation capability is proportional to the space, solving the heat dissipation problem in a narrow space becomes a challenge for the entire electronic industry. The reduction in space means that the heat dissipation area is compressed, or the passage of the inlet and outlet air is reduced, and the air volume is reduced. In a narrow space, the design needs to be very beautiful by thinking how the heat dissipation module is discharged and the air duct runs. Leaving no extra space.

However, the applicant of the present invention has found that the above prior art has at least the following technical problems:

the technical problems that the heat dissipation performance is affected due to insufficient heat dissipation area of an air duct and hot air backflow caused by cold and hot cross air exist in the prior art due to the fact that the existing heat dissipation module is not designed perfectly.

SUMMERY OF THE UTILITY MODEL

The application provides an initiative heat dissipation module, it is imperfect owing to current heat dissipation module's design to have solved among the prior art, make wind channel heat radiating area not enough to and the hot-blast backward flow that cold and hot cross wind leads to, thereby influence the technical problem of heat dissipation service performance, reached through optimizing heat dissipation module structure, increase heat radiating area, thereby optimize the wind channel and avoid hot-blast backward flow, and then improve the technological effect of heat dispersion performance.

In order to solve the above problem, the present application provides an active heat dissipation module, which includes: the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole; the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the connection position of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module; when the fan rotates, wind enters the fan from the air inlet, is blown out of the fan through the second heat dissipation opening, enters the second module, and is finally discharged from the air outlet.

Preferably, the second module includes a second heat sink.

Preferably, the second heat dissipation fin is a fin with a height of 1U.

Preferably, the first module and the second module are the same height.

Preferably, the sum of the heights of the fan and the first heat sink is 1U.

Preferably, the first heat dissipation fin is a fin with a height of 0.5U.

Preferably, the bottoms of the first module and the second module are positioned on the same horizontal plane.

Preferably, the first module is fixedly connected with the bottom of the second module.

One or more technical solutions in the present application have at least one or more of the following technical effects:

the application provides an initiative heat dissipation module, initiative heat dissipation module includes: the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole; the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the connection position of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module; when the fan rotates, wind enters the fan from the air inlet, is blown out of the fan through the second heat dissipation opening, enters the second module, and is finally discharged from the air outlet. The technical problem of among the prior art exist because the design of current heat dissipation module is imperfect for wind channel heat radiating area is not enough, the hot-blast backward flow phenomenon that cold and hot cross wind leads to appears, thereby influence the heat dissipation service performance is solved, reached through optimizing heat dissipation module structure, increase heat radiating area, thereby optimize the wind channel and avoid hot-blast backward flow, and then improve heat dispersion's technical effect.

Drawings

In order to more clearly illustrate the technical solutions in the present application or the prior art, the drawings needed for the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic view of an embodiment of an active heat dissipation module according to an embodiment of the present disclosure;

fig. 2 is a schematic side view of an embodiment of an active heat dissipation module according to the present disclosure;

fig. 3 is a schematic top view illustrating an embodiment of an active heat dissipation module according to an embodiment of the present disclosure.

Reference numerals: the module comprises a first module 1, a fan 11, a first radiating fin 12, a first radiating port 13, an air inlet 14, a second module 2, a second radiating port 21, an air outlet 22 and a second radiating fin 23.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, specific embodiments thereof are described in detail below with reference to the accompanying drawings. In the following description, numerous details are set forth to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Technical idea

The application provides an initiative heat dissipation module, has solved and has existed because current heat dissipation module's design is imperfect among the prior art for wind channel heat radiating area is not enough, and the hot-blast backward flow that cold and hot cross wind leads to, thereby influences the technical problem of heat dissipation performance.

The technical scheme in the application has the following overall structure: the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole; the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the connection position of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module; when the fan rotates, wind enters the fan from the air inlet, is blown out of the fan through the second heat dissipation opening, enters the second module, and is finally discharged from the air outlet. The technical effects of increasing the heat dissipation area by optimizing the structure of the heat dissipation module, avoiding hot air backflow by optimizing the air channel and further improving the heat dissipation performance are achieved.

To make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1, the present application provides an active heat dissipation module, which includes: the module comprises a first module 1, wherein the first module 1 comprises a fan 11 and a first radiating fin 12, the first radiating fin 12 is arranged at the bottom of the fan 11, a first radiating hole 13 is formed between the fan 11 and the first radiating fin 12, an air inlet 14 is formed in one side end of the first radiating fin 12, and the air inlet 14 is communicated with the first radiating hole 13; the second module 2 is connected with one side end, far away from the air inlet 14, of the first module 1, the joint of the second module 2 and the fan 11 is provided with a second heat dissipation port 21, and one side end, far away from the first module 1, of the second module 2 is provided with an air outlet 22; when the fan 11 rotates, wind enters the fan 11 from the wind inlet 14, is blown out of the fan 11 through the second heat dissipation opening 21, enters the second module 2, and is finally discharged through the wind outlet 22.

Specifically, the active heat dissipation module is composed of a first module 1 and a second module 2, wherein a first heat sink 12 in the first module 1 is disposed at the bottom of the fan 11 and fixed on the first heat sink 12 according to the fixing manner of the fan 11. The first heat dissipation port 13 is formed by moving the fan 11 leftward for a certain distance to enable the first heat dissipation port 13 to contact with the outside air on the premise that the structure of the first heat dissipation port 13 allows, and then after the fan 11 moves leftward for a certain distance, the second module 2 is arranged in a space left by the right. The second heat dissipation opening 21 is a contact plane of the first module 1 and the second module 2, so that the two coincident planes are provided with air openings with a certain suitable geometric area and the same size as the second heat dissipation opening 21. The radiating fin is a device for radiating heat of an easily-generated electronic component in an electrical appliance, a layer of heat-conducting silicone grease is coated on the contact surface of the electronic component and the radiating fin when the radiating fin is used, so that heat generated by the component is more effectively conducted to the radiating fin and then radiated to the surrounding air through the radiating fin, and therefore, through the structure formed by the first radiating fin 12 and the fan 11, wind in the air flows into the accommodating space of the fan 11 from the air inlet 14 and then flows into the accommodating space of the second module 2 through the first heat radiating port 13 combined with the first radiating fin 12 by the rotation of fan blades of the fan to realize the design function of the first module 1, further, the wind flowing into the accommodating space of the fan 11 flows into the accommodating space of the second module 2 through the second heat radiating port 21 arranged on the connecting surface of the second module 2, and automatically flows out from the arranged air outlet 22 after heat radiation treatment, namely when the fan 11 rotates, wind enters from the bottom air inlet 14 of the first module 1 on the left half part of the heat dissipation module, flows into the space of the fan 11 through the first heat dissipation port 13, the wind blown out by the fan 11 flows into the accommodating space of the second module 2 on the right half part through the second heat dissipation port 21, and is discharged to the outside according to the air outlet 22, so that the heat dissipation module structure is optimized, the heat dissipation area of the module is increased, the hot air backflow phenomenon is avoided based on the optimized air channel, and the technical effect of improving the heat dissipation performance is achieved.

Further, the second module 2 includes a second heat sink 23.

Further, the second heat dissipation plate 23 is a fin having a height of 1U.

Specifically, the second heat sink 23 included in the second module 2 and the first heat sink 12 included in the first module 1 may be made of the same material and performance as each other or different types of heat sinks. As shown in fig. 2, the second heat sink 23 is a fin with a height of 1U, and the fin is a passive heat sink that absorbs heat and dissipates heat in a convection manner, and the heat dissipation area in the convection heat dissipation process is mainly determined by the surface area of the heat sink, and the larger the surface area is, the better the heat dissipation effect is; the smaller the surface area, the poorer the heat dissipation effect, but the specific material of the fins can be determined according to the application of the module. The second heat sink 23 has 1U of fins in height, and the space utilization analysis is performed such that the fins having a height of 1U are flush with each other, thereby increasing the heat dissipation surface area, where U is a unit of the external size of the server, 1U being 1.75 inches to 44.45 mm, the specified size is the width (48.26cm to 19 inches) and the height (multiple of 4.445 cm) of the server, the thickness is a basic unit of 4.445cm, 1U is 4.445cm, and 2U is 8.89cm, which is 2 times that of 1U. Therefore, the technical effect of improving the heat dissipation performance by increasing the height of the fins of the heat dissipation sheet of the second module 2 and arranging the fins in a flush manner to increase the heat dissipation surface area is achieved.

Further, the first module 1 and the second module 2 have the same height.

Further, the sum of the heights of the fan 11 and the first heat sink 12 is 1U.

Further, the first heat dissipation sheet 12 is a fin having a height of 0.5U.

Specifically, the height of the first module formed by the fan 11 and the first heat sink 12 is 1U, wherein the height of the first heat sink 12 disposed at the bottom of the fan 11 is 0.5U, and the height of the fins may be changed according to the specific application of the heat dissipation module, preferably, the height of the fins is 0.5U or more, and is not limited to 0.5U, for example, since 1U is 4.445cm, preferably, the height of the first heat sink 12 is 2.2225cm, and the height of the fan 11 is 2.2225cm, there may be other ways, which are not evenly distributed, or divided according to a certain proportion of the mounting positions of the fan 11. Further, generally speaking, the first power device is mounted on the heat sink in the process of structural design, because the fan 11 rotates at a certain wind speed, and based on analysis of the design space of the heat dissipation module, the fan will drive the flow speed of the wind when rotating, and if the second heat dissipation port 21 is too small, the heat dissipation efficiency and the heat dissipation performance will be affected, therefore, after the wind in the first module 1 flows into the second module 2 through the second heat dissipation port 21, there will also be a certain wind speed, and therefore, the accommodating space in the second module 2 needs to have higher space usability, and therefore, in order to ensure the heat dissipation performance, the heat dissipation performance of the active heat dissipation module can be optimized and used only if the heights of the first module 1 and the second module 2 are the same, and the heat dissipation performance is obviously stronger.

Further, the bottoms of the first module 1 and the second module 2 are located at the same horizontal plane.

Further, the bottom of the first module 1 is fixedly connected with the bottom of the second module 2.

Particularly, first module 1 with the bottom of second module 2 is located not alternately when the same horizontal plane is favorable to the wind channel circulation, make this module be favorable to the quantization production at the in-process that puts into use simultaneously, improve and use the assembly space and utilize the rationality, and remove fan 11 to one side through combining, the elongated mode of another side, improve the convenience of structural design, and is further, as shown in fig. 3, utilize the structural optimization heat dissipation module design of fin parallel and level, make 14 wind channels of air intake flow through the fin on the left side, the air outlet 22 wind channel flows through the fin on the right, form the structural design in Z shape wind channel, reach the wind channel and smoothly do not intersect, avoid hot-blast technological effect who flows back.

Example 2

In order to explain the technical solution of the active heat dissipation module more clearly, this embodiment describes an implementation manner of the active heat dissipation module in detail as follows:

the commonly used heat dissipation module has 1U, 2U wait highly, and this application embodiment is implemented to 1U heat dissipation module, and the design of the biggest 1U initiative heat dissipation module of use amount among the prior art comprises fin module and fan module two parts, and 0.5U is the fan height in this design, and 0.5U is the fin height in addition. The fan is arranged on the upper layer. When the fan rotates, wind enters from the left side and the right side of the bottom-layer radiating fins. Blowing out from the upper layer fan to the right. The air duct flows through the fin gaps of the heat dissipation module to take away heat. This structure exists: wind is sucked from the fins in the lower layer of 0.5U and is discharged from the upper layer; the heat dissipation area of the heat dissipation module is insufficient, hot air and cold air are crossed, the hot air flows to the air inlet on the right side after coming out, and a part of the hot air can be sucked back. According to the concept of the application, the fan 11 is moved for a certain distance, the specific moving scheme is determined according to the position of the air outlet of the fan 11, the fan is moved for a certain distance leftwards according to the setting condition of the heat dissipation module fan used in the prior art, and the height of the fins is increased from 0.5U to 1U by the space left by the right. When the fan 11 rotates, wind flows from the air inlet 14 at the bottom of the first module 11 at the left half of the heat dissipation module and flows through the air channel constructed in the first heat dissipation sheet 12, and flows into the fan 11 through the first heat dissipation port 13, wherein the air channel of the air inlet 14 can flow through the fins of the first heat dissipation sheet 12, the blown wind flows into the right half through the second heat dissipation port 21 and is discharged to the outside according to the air outlet 22, wherein the air channel of the air outlet 22 flows through the fins of the second heat dissipation sheet 23, the whole wind flow process has the characteristics that the air channels are smooth and non-crossed and do not flow back, and the structural design of the Z-shaped air channel is formed, so that the technical effects that the heat dissipation area is increased by optimizing the structure of the heat dissipation module under the condition that the installation volume space is not changed, the air channel is optimized to avoid hot air backflow, and further the heat dissipation performance is improved are achieved.

The technical scheme provided in the application at least has the following technical effects or advantages:

1. the application provides an initiative heat dissipation module, initiative heat dissipation module includes: the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole; the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the connection position of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module; when the fan rotates, wind enters the fan from the air inlet, is blown out of the fan through the second heat dissipation opening, enters the second module, and is finally discharged from the air outlet.

2. The embodiment of the application optimizes the design of the heat dissipation module by adding the second module by using a structure with parallel and level fins of the heat dissipation fins, increases the heat dissipation contact area based on the fins, and forms the structural design of a Z-shaped air channel, thereby achieving the technical effects of smooth and uncrossed air channels and avoiding hot air backflow.

While the preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all alterations and modifications as fall within the scope of the application.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the embodiments of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.

Claims

1. An active heat dissipation module, comprising:

the first module comprises a fan and a first radiating fin, the first radiating fin is arranged at the bottom of the fan, a first radiating hole is formed between the fan and the first radiating fin, an air inlet is formed in one side end of the first radiating fin, and the air inlet is communicated with the first radiating hole;

the second module is connected with one side end, far away from the air inlet, of the first module, a second heat dissipation opening is formed in the connection position of the second module and the fan, and an air outlet is formed in one side end, far away from the first module, of the second module;

when the fan rotates, wind enters the fan from the air inlet, is blown out of the fan through the second heat dissipation opening, enters the second module, and is finally discharged from the air outlet.

2. The active thermal module of claim 1 wherein the second module comprises a second heat sink.

3. The active heat dissipation module of claim 2, wherein the second heat sink is a fin having a height of 1U.

4. The active heat dissipation module of claim 1, wherein the first module and the second module have the same height.

5. The active heat dissipation module of claim 1, wherein a sum of heights of the fan and the first heat sink is 1U.

6. The active heat dissipation module of claim 1, wherein the first heat sink is a 0.5U high fin.

7. The active heat dissipation module of claim 1, wherein the bottoms of the first module and the second module are located at the same horizontal plane.

8. The active heat dissipation module of claim 7, wherein the first module is fixedly connected to the bottom of the second module.