CN113741659A

CN113741659A - Wind scooper and heat dissipation system

Info

Publication number: CN113741659A
Application number: CN202010470372.6A
Authority: CN
Inventors: 王海芸
Original assignee: Hongfujin Precision Industry Wuhan Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Wuhan Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-12-03

Abstract

The invention provides an air guide cover and a heat dissipation system applying the same, wherein the air guide cover comprises an air inlet cover, an air outlet cover and a flow guide cover, the air inlet cover comprises a first clapboard which is used for separating the air inlet cover to form a first air inlet channel and a second air inlet channel, the air outlet cover comprises a second clapboard which is used for separating the air outlet cover to form a first air outlet channel and a second air outlet channel, the flow guide cover is connected between the air inlet cover and the air outlet cover, is used for communicating the first air inlet channel with the second air outlet channel and communicating the second air inlet channel with the first air outlet channel, the flow guide cover also comprises an air inlet plate, the air inlet plate forms an air inlet, the air inlet cover also comprises an air guide block, the air guide block is arranged at the air inlet and connected with the air inlet plate, and comprises an inclined plane which is arranged on one side far away from the air inlet plate. The air guide cover and the heat dissipation system provided by the invention can effectively improve the heat dissipation efficiency of the electronic element.

Description

Wind scooper and heat dissipation system

Technical Field

The invention relates to the field of heat dissipation, in particular to an air guide cover and a heat dissipation system.

Background

Generally, a plurality of electronic components are placed in a housing of a computer. When the heat is too high, the normal operation of the host computer is further affected. Therefore, in order to reduce the temperature of the electronic components in the chassis, a wind scooper is generally disposed at the electronic components in the chassis. The wind scooper comprises a wind inlet and a wind outlet, wind is guided into the wind scooper through the wind inlet, and the wind flow dissipates heat of the electronic element to the wind outlet, so that the heat is discharged out of the wind scooper. However, since the air inlet path at the air outlet is long and the air speed is slow, the heat dissipation effect at the air outlet is poor, and the heat dissipation efficiency of the electronic component is affected.

Disclosure of Invention

In view of the above, the present invention provides an air guiding cover and a heat dissipating system, which are beneficial to improving the heat dissipating efficiency of electronic components.

An air guide cover comprises an air inlet cover, an air outlet cover and a flow guide cover, wherein the air inlet cover comprises a first clapboard, the first clapboard separates the air inlet cover to form a first air inlet channel and a second air inlet channel, the air outlet cover comprises a second clapboard, the second clapboard separates the air outlet cover to form a first air outlet channel and a second air outlet channel, the flow guide cover is connected between the air inlet cover and the air outlet cover, the second air outlet channel is used for guiding the cold air of the first air inlet channel into the second air outlet channel and guiding the hot air of the second air inlet channel into the first air outlet channel, the drainage cover comprises an air inlet plate at the joint of the drainage cover and the air inlet cover, the air inlet plate forms an air inlet, the air inlet cover further comprises an air guide block, the air guide block is arranged at the air inlet and connected with the air inlet plate, the air guide block comprises an inclined plane, and the inclined plane is arranged on one side far away from the air inlet plate.

Further, the air guide block is a wedge-shaped block, the air guide block further comprises a first side face, the first side face is located at the air inlet and connected with the air inlet plate, and the inclined face is connected with the first side face at the air inlet in an acute angle.

Furthermore, the air guide block also comprises a second side surface, the second side surface is connected with the first side surface and the inclined surface, and the second side surface is flush with the end surface of the air inlet plate.

Further, the air inlet cover comprises a first bottom plate, the first bottom plate and the first partition plate form the second air inlet channel, the air outlet cover comprises a first top plate, the first top plate and the second partition plate form the first air outlet channel, the drainage cover comprises a first drainage cover, the first drainage cover is used for leading hot air of the second air inlet channel into the first air outlet channel, the first drainage cover comprises a first drainage plate and a second drainage plate, the first end of the first drainage plate is connected with the second partition plate, the second end of the first drainage plate is connected with the first bottom plate, the first end of the second drainage plate is connected with the first top plate, and the second end of the second drainage plate is connected with the first partition plate.

Further, the first flow-guide plate is substantially parallel to the second flow-guide plate.

Further, the air inlet cover comprises a second top plate, the second top plate and the first partition plate form the first air inlet channel, the air outlet cover comprises a second bottom plate, the second bottom plate and the second partition plate form the second air outlet channel, the drainage cover comprises a second drainage cover, the second drainage cover is used for leading cold air of the first air inlet channel into the second air outlet channel, the second drainage cover comprises a third drainage plate and a fourth drainage plate, the first end of the third drainage plate is connected with the second top plate, the second end of the third drainage plate is connected with the second partition plate, the first end of the fourth drainage plate is connected with the first partition plate, and the second end of the fourth drainage plate is connected with the second bottom plate.

Further, the third drainage plate and the fourth drainage plate are arranged in parallel.

The invention further provides a heat dissipation system, which comprises a first electronic element, a second electronic element and a fan, wherein the heat dissipation system further comprises the wind scooper as described above, the first electronic element is arranged in the second air inlet channel, the second electronic element is arranged in the second air outlet channel, and the fan is used for guiding heat generated by the first electronic element to the first air outlet channel and then discharging the heat out of the wind scooper through cold air entering the second air inlet channel, guiding cold air entering the first air inlet channel to the second air outlet channel, and discharging heat generated by the second electronic element out of the wind scooper.

Furthermore, the air outlet cover further comprises an air guide plate, the first end of the air guide plate is connected with the first partition plate, the second end of the air guide plate is connected with the fan, and the distance between the second end of the air guide plate and the top end of the fan is 27 mm.

The heat dissipation system further comprises a central processing unit, wherein a first accommodating space, a second accommodating space and a third accommodating space are formed in the heat dissipation system, the first accommodating space is used for accommodating the wind scooper provided with the first electronic element and the second electronic element, the second accommodating space is used for accommodating the central processing unit, and the third accommodating space is used for accommodating the other wind scooper provided with the first electronic element and the second electronic element.

Compared with the prior art, the air guide cover and the heat dissipation system effectively improve the heat dissipation efficiency of the electronic elements in the air guide cover.

Drawings

Fig. 1 is a perspective view of an air guiding cover according to a preferred embodiment of the invention.

Fig. 2 is a schematic structural view of fig. 1 after hiding the side plate.

Fig. 3 is another view of fig. 2.

Fig. 4 is a schematic view of the wind guide block of fig. 3 separated from the wind scooper.

FIG. 5 is a schematic view of the structure of FIG. 2 after hiding the side walls, the first flow-guide plates and the second flow-guide plates.

Fig. 6 is a schematic view of a heat dissipation system according to another preferred embodiment of the invention.

Fig. 7 is an exploded view of the heat dissipation system shown in fig. 6.

Description of the main elements

Wind scooper 100

Inlet hood 10

First air inlet channel 101

Second air inlet channel 102

First partition plate 11

Air guide block 12

Inclined plane 121

First side 122

Second side 123

First base plate 13

Second top plate 14

Air outlet housing 20

First air outlet channel 201

Second air outlet channel 202

Second partition plate 21

First top board 22

Second bottom plate 23

Air deflector 25

Drainage cover 30

Air inlet plate 31

Air inlet 301

Side wall 32

First drainage mask 33

First flow guide plate 331

Second flow guide plate 332

Second flow guide hood 34

Third flow guide plate 341

Fourth drainage plate 342

Side plate 35

Air outlet plate 36

Air outlet 302

Wind deflector 37

Heat dissipation system 200

First electronic component 203

Second electronic component 204

Third electronic component 205

First accommodation space 207

Second receiving space 208

Third receiving space 209

Fan 210

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 to 4, a wind scooper 100 according to a preferred embodiment of the present invention is provided. The wind scooper 100 includes a wind inlet hood 10, a wind outlet hood 20 and a wind guide hood 30. The air inlet cover 10 includes a first partition plate 11, and the first partition plate 11 partitions the air inlet cover 10 to form a first air inlet passage 101 and a second air inlet passage 102. The air-out cover 20 comprises a second partition plate 21, and the second partition plate 21 partitions the air-out cover 20 to form a first air-out channel 201 and a second air-out channel 202. The flow guide cover 30 is connected between the air inlet cover 10 and the air outlet cover 20, and is configured to guide the cold air in the first air inlet channel 101 into the second air outlet channel 202, and guide the hot air in the second air inlet channel 102 into the first air outlet channel 201. The draft hood 30 includes an air inlet plate 31 at a connection portion with the air inlet cover 10, and the air inlet plate 31 forms an air inlet 301. In the present embodiment, the number of the air inlet plates 31 is two. The two air inlet plates 31 are spaced apart from each other to form the air inlet 301. The cold air in the first air inlet channel 101 enters the flow guiding hood 30 through the air inlet 301. The air inlet cover 10 further includes an air guide block 12, and the air guide block 12 is connected to the air inlet plate 31 at the air inlet 301. In the present embodiment, the number of the air guide blocks 12 is two. The air guide block 12 comprises an inclined surface 121, and the inclined surface 121 is arranged on the side far away from the air inlet plate 31.

In this embodiment, the air guide block 12 is a wedge-shaped block. The air guide block 12 also includes a first side 122. The first side surface 122 is connected to the air inlet plate 31 at the air inlet 301, and the inclined surface 121 is connected to the first side surface 122 at the air inlet 301 at an acute angle. Therefore, the air can be smoothly supplied through the air inlet 301, and the vortex flow at the air inlet 301 is avoided. In this embodiment, the air inlet plate 31 and the first partition plate 11 are substantially perpendicular to each other. The air guide block 12 further includes a bottom surface, and the bottom surface is connected to the first partition 11.

The air guide block 12 further includes a second side surface 123, the second side surface 123 is connected to the first side surface 122 and the inclined surface 121, and the second side surface 123 is flush with the first end surface of the air inlet plate 31. The flow guide hood 30 further includes a side wall 32, and the side wall 32 and the air inlet plate 31 together form a channel for guiding the cool air from the first air inlet channel 101 to the second air outlet channel 202. The side wall 32 is flush with the second end face of the air inlet plate 31. In the present embodiment, the sidewalls 32 are two in number and spaced apart from each other.

The air inlet cover 10 includes a first bottom plate 13, and the first bottom plate 13 and the first partition plate 11 form the second air inlet passage 102. The wind outlet housing 20 includes a first top plate 22, and the first top plate 22 and the second partition plate 21 form the first wind outlet channel 201. The flow guide hood 30 includes a first flow guide hood 33, and the first flow guide hood 33 is used for guiding the hot air of the second air inlet channel 102 into the first air outlet channel 201. First drainage cover 33 includes first drainage plate 331 and second drainage plate 332, the first end of first drainage plate 331 with second baffle 21 is connected, the second end of first drainage plate 331 with first bottom plate 13 is connected, the first end and the first roof 22 of second drainage plate 332 are connected, the second end of second drainage plate 332 with first baffle 11 is connected. The first flow guide plate 331 is substantially parallel to the second flow guide plate 332. Therefore, the air outlet through the first flow guide cover 33 is smoother, and the formation of vortex in the first flow guide cover 33 is avoided.

Referring to fig. 5, the wind inlet cover 10 includes a second top plate 14, and the first partition 11 and the second top plate 14 form the first wind inlet channel 101. The air outlet housing 20 includes a second bottom plate 23, and the second bottom plate 23 and the second partition 21 form the second air outlet channel 202. In one embodiment, the first bottom plate 13 and the second bottom plate 23 are different parts of the same plate. The plate body is a main plate. The flow guide hood 30 includes a second flow guide hood 34, and the second flow guide hood 34 is configured to guide the cool air of the first air inlet channel 101 into the second air outlet channel 202. The second flow guide cover 34 includes a third flow guide plate 341 and a fourth flow guide plate 342. The third flow-guiding plate 341 and the fourth flow-guiding plate 342 are disposed in the channel formed by the side wall 32 and the air inlet plate 31. A first end of the third flow-guiding plate 341 is connected to the second top plate 14, and a second end of the third flow-guiding plate 341 is connected to the second separator 21. The first end of the fourth flow-guiding plate 342 is connected to the first partition plate 11, and the second end of the fourth flow-guiding plate 342 is connected to the second bottom plate 23. The third flow-guiding plate 341 is disposed in parallel with the fourth flow-guiding plate 342. Therefore, the air outlet through the second flow guide cover 34 is smoother, and the formation of vortex in the second flow guide cover 34 is avoided.

In this embodiment, the air-guiding hood 30 further includes an air-out plate 36 at the connection position with the air-out hood 20. The air outlet plate 36 forms an air outlet 302. In this embodiment, the number of the air outlet plates 36 is two. The two air outlet plates 36 are spaced apart from each other to form the air outlet 302. Therefore, the cool air in the second flow guide hood 34 can exit the second flow guide hood 34 through the air outlet 302. A wind shield 37 is further formed at a connection portion of the first draft housing 33 and the inlet hood 10. The first partition plate 11 is disposed at the joint of the wind deflector 37 and the wind inlet plate 31. The wind guard 37 and the wind inlet plate 31 are perpendicular to the first partition 11. The wind deflector 37 is used for blocking the hot air of the second air inlet passage 102. The drain cover also includes a side plate 35. In the present embodiment, the number of the side plates 35 is two. The two side plates 35 form an air guiding area for accommodating the air inlet cover 10, the air outlet cover 20, and the air guide cover 30. The side plate 35 is connected to the sides of the first flow-guiding plate 331 and the second flow-guiding plate 332 away from the side wall 32. Therefore, the hot air in the second air inlet channel 102 can only enter the first air outlet channel 201 through the first flow guide plate 331 and the second flow guide plate 332.

Referring to fig. 6 and 7, a heat dissipation system 200 is provided according to a second aspect of the present invention. The heat dissipation system 200 includes the wind scooper 100, the first electronic component 203, the second electronic component 204, and the fan 210. The first electronic component 203 is disposed in the second air inlet channel 102, the second electronic component 204 is disposed in the second air outlet channel 202, and the fan 210 is configured to guide the heat generated by the first electronic component 203 to the first air outlet channel 201 through the cold air entering the second air inlet channel 102 and then to discharge the heat out of the wind scooper 100, and guide the cold air entering the first air inlet channel 101 to the second air outlet channel 202 and discharge the heat generated by the second electronic component 204 out of the wind scooper 100.

The air outlet cover 20 further comprises an air deflector 25, a first end of the air deflector 25 is connected with the second partition plate 21, a second end of the air deflector 25 is connected with the fan, and the distance between the second end of the air deflector 25 and the top end of the fan 210 is 27 mm. Therefore, the heat generated by the second electronic component 204 can be more easily exhausted out of the wind scooper through the fan 210.

The heat dissipation system 200 further includes a third electronic component 205. The heat dissipation system 200 is formed with a first receiving space 207, a second receiving space 208 and a third receiving space 209. The first receiving space 207 is used for receiving the wind scooper 100 provided with the first electronic component 203 and the second electronic component 204, the second receiving space 208 is used for receiving the third electronic component 205, and the third receiving space 209 is used for receiving another wind scooper 100 provided with the first electronic component 203 and the second electronic component 204. It is understood that in other embodiments, the number and the placement positions of the fans 210 can be adjusted according to practical situations, and the number and the placement positions of the fans 210 are not limited in the present invention.

In this embodiment, the first electronic device 203 and the second electronic device 204 are memory modules, and the third electronic device 205 is a central processing unit. It is understood that in other embodiments, the electronic component may be other heat generating electronic components.

It is understood that in other embodiments, the number of the wind scoops 100 in the heat dissipation system 200 may be changed according to the distribution of the electronic components on the actual motherboard 80.

The heat dissipation system 200 of the present embodiment performs a heat dissipation effect test by using Flotherm software. The temperatures of the first to third

electronic components

203, 204 and 205 under the heat dissipation of the heat dissipation system 200 of the present embodiment are measured at an ambient temperature of 25 ℃, and are shown in the following table:

TABLE 1 electronic element specification temperature and electronic element thermometer after heat dissipation

Assembly	Specification (. degree. C.)	Temperature after heat dissipation
			First electronic component	85	81.2
Second electronic component	85	84.9
			Third electronic component	85	81.7

As can be seen from table 1, the heat dissipation effect of the heat dissipation system 200 provided by the present invention on the first to third electronic components all achieves the target, and the temperature after heat dissipation is lower than the specification temperature value.

It can be understood that, in the air guiding cover 100 provided by the present invention, the first flow guiding cover 33 connects the second air inlet channel 102 and the first air outlet channel 201, and the second flow guiding cover 34 connects the first air inlet channel 101 and the second air outlet channel 202, so that the electronic components disposed in the second air inlet channel 102 and the second air outlet channel 202 can be respectively cooled, and thus the cooling efficiency of the electronic components is improved.

Furthermore, the wind scooper 100 further improves the heat dissipation efficiency of the wind scooper 100 by arranging the wind guide block 12, the first wind scooper 33, the second wind scooper 34 and the wind deflector 25.

It can be understood that, in the heat dissipation system 200, the air guide block 12 and the air guide cover 30 are disposed on the air guide cover 100, so that the heat dissipation effect of the first electronic component 203, the second electronic component 204 and the third electronic component 205 is significantly improved.

Although the present invention has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention. Those skilled in the art can also make other changes and the like in the design of the present invention within the spirit of the present invention as long as they do not depart from the technical effects of the present invention. Such variations are intended to be included within the scope of the invention as claimed.

Claims

1. The utility model provides an air guide cover, includes into fan housing, goes out fan housing and flow guide cover, its characterized in that: the air inlet cover comprises a first partition plate, the first partition plate is used for separating the air inlet cover from a first air inlet channel and a second air inlet channel, the air outlet cover comprises a second partition plate, the second partition plate is used for separating the air outlet cover from a first air outlet channel and a second air outlet channel, the drainage cover is connected between the air inlet cover and the air outlet cover and used for leading cold air of the first air inlet channel into the second air outlet channel and leading hot air of the second air inlet channel into the first air outlet channel, the drainage cover comprises an air inlet plate at the joint of the air inlet cover, the air inlet plate forms an air inlet, the air inlet cover further comprises an air guide block, the air guide block is arranged at the air inlet and connected with the air inlet plate, the air guide block comprises an inclined plane, and the inclined plane is arranged on one side far away from the air inlet plate.

2. The wind scooper of claim 1, wherein: the air guide block is a wedge-shaped block and further comprises a first side face, the first side face is located at the air inlet and connected with the air inlet plate, and the inclined face is connected with the first side face at the air inlet in an acute angle mode.

3. The wind scooper of claim 2, wherein: the air guide block further comprises a second side face, the second side face is connected with the first side face and the inclined face, and the second side face is flush with the end face of the air inlet plate.

4. The wind scooper of claim 1, wherein: the air inlet hood comprises a first bottom plate, the first bottom plate and the first partition plate form the second air inlet channel, the air outlet hood comprises a first top plate, the first top plate and the second partition plate form the first air outlet channel, the drainage hood comprises a first drainage hood, the first drainage hood is used for leading hot air of the second air inlet channel into the first air outlet channel, the first drainage hood comprises a first drainage plate and a second drainage plate, the first end of the first drainage plate is connected with the second partition plate, the second end of the first drainage plate is connected with the first bottom plate, the first end of the second drainage plate is connected with the first top plate, and the second end of the second drainage plate is connected with the first partition plate.

5. The wind scooper of claim 4, wherein: the first flow guide plate is substantially parallel to the second flow guide plate.

6. The wind scooper of claim 1, wherein: the air inlet cover comprises a second top plate, the second top plate and the first partition plate form the first air inlet channel, the air outlet cover comprises a second bottom plate, the second bottom plate and the second partition plate form the second air outlet channel, the drainage cover comprises a second drainage cover, the second drainage cover is used for guiding cold air of the first air inlet channel into the second air outlet channel, the second drainage cover comprises a third drainage plate and a fourth drainage plate, the first end of the third drainage plate is connected with the second top plate, the second end of the third drainage plate is connected with the second partition plate, the first end of the fourth drainage plate is connected with the first partition plate, and the second end of the fourth drainage plate is connected with the second bottom plate.

7. The wind scooper of claim 6, wherein: the third drainage plate and the fourth drainage plate are arranged in parallel.

8. A heat dissipation system comprises a first electronic element, a second electronic element and a fan, and is characterized in that: the heat dissipation system further comprises the wind scooper according to any one of claims 1 to 7, wherein the first electronic component is disposed in the second wind inlet channel, the second electronic component is disposed in the second wind outlet channel, and the fan is configured to guide the heat generated by the first electronic component to the first wind outlet channel and then to discharge the heat out of the wind scooper by using the cold air entering the second wind inlet channel, and guide the cold air entering the first wind inlet channel to the second wind outlet channel and discharge the heat generated by the second electronic component out of the wind scooper.

9. The heat dissipating system of claim 8, wherein: the air outlet cover further comprises an air guide plate, the first end of the air guide plate is connected with the first partition plate, the second end of the air guide plate is connected with the fan, and the distance between the second end of the air guide plate and the top end of the fan is 27 mm.

10. The heat dissipating system of claim 8, wherein: the heat dissipation system further comprises a central processing unit, a first accommodating space, a second accommodating space and a third accommodating space are formed in the heat dissipation system, the first accommodating space is used for accommodating the wind scooper provided with the first electronic element and the second electronic element, the second accommodating space is used for accommodating the central processing unit, and the third accommodating space is used for accommodating the other wind scooper provided with the first electronic element and the second electronic element.