CN217064370U - Heat dissipation structure of rack - Google Patents
Heat dissipation structure of rack Download PDFInfo
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- CN217064370U CN217064370U CN202123384064.0U CN202123384064U CN217064370U CN 217064370 U CN217064370 U CN 217064370U CN 202123384064 U CN202123384064 U CN 202123384064U CN 217064370 U CN217064370 U CN 217064370U
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Abstract
The present disclosure relates to a rack heat dissipation structure, which includes a heat dissipation assembly and an air guide assembly, wherein the heat dissipation assembly is used for placing a heat dissipation unit; a first air inlet and a first air outlet are formed at two ends of the heat dissipation assembly respectively, a vent is formed at the top of the heat dissipation assembly, and the first air inlet, the first air outlet and the vent are communicated with the inside and the outside of the heat dissipation assembly; be formed with the wind-guiding passageway in the wind-guiding subassembly, the wind-guiding passageway has and communicates in external second air intake and second air outlet, and the orientation of second air intake and first air intake is the same, and vent department is located to second air-out gauze mask. The rack heat radiation structure provided by the disclosure utilizes the air guide component to adjust and control the air channel at the position of the upper cover of the heat radiation component, and the air guide channel is used for guiding the air direction, so that the trend of the cooling air flow above the rack is basically consistent with the trend of the cooling air flow inside the heat radiation component, namely, the cooling air flow can only go forward and go out, the internal circulation generated inside the heat radiation component is avoided, and the heat radiation effect is ensured.
Description
Technical Field
The utility model relates to a heat dissipation rack makes technical field, especially relates to a rack heat radiation structure.
Background
At present, for the design of a plurality of chassis, because the heat dissipation needs to be carried out on the internal heating part, the ventilation structures which are fixed are designed on the front panel, the rear panel, the left side and the right side of the chassis. For some systems requiring more severe internal heat dissipation, such as internal heat dissipation units, ventilation holes are further added on the rack upper cover of the heat dissipation unit to increase the air intake for heat dissipation.
However, since the rack-up rate of the rack usually does not reach 100%, there is a free space inside the chassis, and outside cold air enters the inside of the chassis from the ventilation structure on the surface of the chassis, and then enters the heat generating unit through the ventilation holes on the rack. After the hot air after heat exchange flows out of the heating unit, internal circulation is easily generated in the case due to the design of the internal vacant space and the ventilation hole position of the upper cover, so that the hot air is difficult to discharge, and the heat dissipation effect is influenced.
SUMMERY OF THE UTILITY MODEL
To solve the above technical problem or at least partially solve the above technical problem, the present disclosure provides a rack heat dissipation structure.
The present disclosure provides a rack heat dissipation structure, which includes a heat dissipation assembly and an air guide assembly, wherein the heat dissipation assembly is used for placing a heat dissipation unit;
a first air inlet and a first air outlet are formed at two ends of the heat dissipation assembly respectively, a vent is formed at the top of the heat dissipation assembly, and the first air inlet, the first air outlet and the vent are communicated with the inside and the outside of the heat dissipation assembly;
the air guide component is internally provided with an air guide channel, the air guide channel is provided with a second air inlet and a second air outlet which are communicated with the outside, the second air inlet is the same as the first air inlet in orientation, and the second air outlet cover is arranged at the vent.
Optionally, the air guide assembly includes an air guide cover with an opening at the bottom and an air inlet panel, the bottom opening of the air guide cover is covered above the ventilation opening, an opening is formed on one side of the air guide cover, the air inlet panel is covered at the opening, the bottom opening forms the second air outlet, and the second air inlet is formed on the air inlet panel.
Optionally, a top plate of the air guiding cover is an arc-shaped plate, and two side edges of the arc-shaped plate along the arc extending direction are respectively connected to the top surface of the heat dissipating assembly and the air inlet panel.
Optionally, the top edge of the air inlet panel is connected with the edge of the top plate of the air guiding cover, and the bottom edge of the air inlet panel is connected with the edge of the first air inlet.
Optionally, a plurality of first through holes are distributed on the air inlet panel, and all the first through holes form the second air inlet.
Optionally, the air guide assembly is detachably connected with the heat dissipation assembly.
Optionally, the heat dissipation assembly further includes a top cover plate, and the top cover plate is connected to the top surface of the heat dissipation assembly in a sliding manner, so that the top cover plate can slide to cover the top of the heat dissipation assembly and be disposed at the vent.
Optionally, a slide rail is arranged on the top surface of the heat dissipation assembly, a slider is arranged on the side of the top cover plate, and the slider is connected to the slide rail in a sliding manner, so that the slider drives the top cover plate to move along the extension direction of the slide rail.
Optionally, the heat dissipation assembly further includes a driving member, where the driving member is connected to the slider to drive the slider to move along the extending direction of the slide rail.
Optionally, a plurality of second through holes are formed in the surface of the top cover plate, and the second through holes are communicated with the inside and the outside of the heat dissipation assembly.
Compared with the prior art, the technical scheme provided by the disclosure has the following advantages:
the utility model provides a frame heat radiation structure utilizes the vacant place of frame top to increase air guide component for adjust and control the wind channel of radiating component upper cover position department, specifically, air guide channel in the air guide component is used for guiding the wind direction, and the second air intake sets up to the orientation the same with first air intake, thereby the trend of the cooling air current of having guaranteed radiating component top and radiating component itself inside cooling air current is unanimous basically, can only go forward the back and go out promptly, it again flows in radiating component from the vent department inside the frame to have blockked cooling air current, then the inside inner loop that produces of radiating component has been avoided, the cooling air current after the influence heat transfer discharges to the external world, thereby the radiating efficiency of system has been improved, guarantee the radiating effect.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic perspective view of an internal structure of a rack heat dissipation structure according to an embodiment of the disclosure;
fig. 2 is a schematic diagram of an internal structure of a chassis formed by a rack heat dissipation structure according to an embodiment of the disclosure;
fig. 3 is a schematic perspective view illustrating an internal structure of an air guide assembly of the rack heat dissipation structure according to the embodiment of the disclosure;
fig. 4 is a schematic perspective view illustrating an internal structure of a heat dissipation assembly of the rack heat dissipation structure according to the embodiment of the disclosure.
Wherein, 1, the heat sink assembly; 1a, a first air inlet; 1b, a first air outlet; 1c, a vent; 11. a front panel; 12. a rear panel; 13. a top cover plate; 131. a second through hole; 14. a slide rail; 2. an air guide assembly; 2a, a second air inlet; 2b, a second air outlet; 21. a wind scooper; 22. an air intake panel; 23. a first through hole; 3. a chassis; 10. the gas stream is cooled.
Detailed Description
In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that, in the case of no conflict, the embodiments and features in the embodiments of the present disclosure may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.
Along with the improvement of computer performance, the power density of the whole machine is higher and higher, the requirement on the heat dissipation capacity of the system is higher, for an air cooling heat dissipation system, a heat dissipation scheme mainly comprises a heat radiator design, a fan model selection, a ventilation hole design, an air duct design and the like, wherein the ventilation hole is very critical to improving the heat dissipation capacity of the system by combining with the air duct design, and the good ventilation hole and air duct design can effectively increase the system air volume and improve the heat dissipation efficiency.
At present, for the design of a plurality of cases, because the heat dissipation is carried out on the internal heating part, the fixed ventilation structures are designed on the front panel, the rear panel, the left side and the right side of the case generally. For some systems requiring more stringent heat dissipation inside, such as the internal heat dissipation unit, it is necessary to further increase ventilation holes on the rack top cover of the heat dissipation unit to increase the air intake for heat dissipation.
However, since the rack-up rate of the rack usually does not reach 100%, there is a free space inside the chassis, and outside cold air enters the inside of the chassis from the ventilation structure on the surface of the chassis and then enters the heat generating unit through the ventilation holes on the rack. When the density of the rack server is not high, and under the condition that a front baffle is additionally arranged in the space of the rack, the upper cover opening can cause hot air at the air outlet to flow back to the system through the upper cover opening due to negative pressure, internal circulation is easily generated in the case, so that the hot air is difficult to discharge, the heat dissipation is seriously influenced, and the heat dissipation effect is deteriorated on the contrary due to the increased upper cover opening.
In view of the above drawbacks, the present embodiment provides a design scheme of a heat dissipation structure, which avoids cooling air from circulating inside a chassis by changing an air guiding structure of an upper cover, thereby ensuring a heat dissipation effect. The concrete structure is as follows:
as shown in fig. 1 to 4, the present embodiment provides a rack heat dissipation structure, which includes a heat dissipation assembly 1 and an air guiding assembly 2, wherein a heat dissipation unit is disposed inside the heat dissipation assembly 1; a first air inlet 1a and a first air outlet 1b are respectively formed at two ends of the heat dissipation assembly 1, a vent 1c is formed at the top of the heat dissipation assembly 1, and the first air inlet 1a, the first air outlet 1b and the vent 1c are communicated with the inside and the outside of the heat dissipation assembly 1; an air guide channel is formed in the air guide assembly 2, the air guide channel is provided with a second air inlet 2a and a second air outlet 2b which are communicated with the outside, the second air inlet 2a and the first air inlet 1a face the same direction, and the second air outlet 2b is covered on the ventilation opening 1 c.
The heat dissipating module 1 is generally a box-shaped structure, and the plurality of heat dissipating modules 1 are stacked, so that, in the case where the plurality of heat dissipating modules 1 are stacked, the air guiding module 2 in the present embodiment may be disposed on the heat dissipating module 1 having a top empty space for guiding the flow direction of the cooling air flow 10. Moreover, the shape and size of the air guide assembly 2 can be flexibly adjusted according to the size of the vacant space and the use requirement of a user, for example, the vertical height of the air guide assembly 2 is 1U or 2U. In addition, the first air inlet 1a and the first air outlet 1b of the heat dissipation assembly 1, and the second air inlet 2a and the second air outlet 2b of the air guiding assembly 2 can be determined according to the size of the chassis 3 carrying a plurality of heat dissipation assemblies 1 and the user requirements.
In this embodiment, the first air inlet 1a of the heat dissipation assembly 1 is disposed on the front panel 11, and the internal heat dissipation unit is located inside the heat dissipation assembly 1 and near the first air inlet 1 a. Extending along the transverse front-back direction, the first air outlet 1b of the heat dissipation assembly 1 is located on the back panel 12 thereof, so as to form a heat dissipation channel inside, and the cooling air flow 10 cools the heat dissipation unit and then is discharged from the first air outlet 1b located on the back panel 12. The ventilation opening 1c is provided on the top surface of the heat dissipating module 1 so as to create another air flow inlet to increase the cooling effect on the inside of the heat dissipating module 1. The cooling airflow 10 entering from the top vent 1c is also discharged from the first outlet 1b located on the rear panel 12.
The air guide component 2 covers the vent 1c, and the second air inlet 2a formed by the air guide component 2 is the same as the first air inlet 1a in orientation, which means that the cooling air flow 10 can not only enter the heat dissipation component 1 from the same direction, but also enter the air guide component 2 at the same time, and the second air outlet 2b of the air guide component 2 can guide the air flow entering the air guide channel to the vent 1c, thereby achieving the air guide effect.
In a specific implementation, the cooling air flow 10 is blown toward the heat dissipation structure of the rack from the direction of the front panel 11, and enters the heat dissipation assembly 1 and the air guiding assembly 2 from the first air inlet 1a and the second air inlet 2 a. The cooling airflow 10 entering the heat dissipating assembly 1 is discharged from the first air outlet 1b at the rear panel 12 after cooling the heat dissipating unit inside the heat dissipating assembly 1, the cooling airflow 10 entering the air guiding assembly 2 enters the heat dissipating assembly 1 from the air vent 1c through the guiding of the air guiding assembly 2, and is also discharged from the first air outlet 1b at the rear panel 12 after cooling the inside of the heat dissipating assembly 1.
The rack heat dissipation structure provided by the embodiment utilizes the vacant space above the rack to add the air guide assembly 2 for adjusting and controlling the air duct at the position of the upper cover of the heat dissipation assembly 1, specifically, the air guide channel in the air guide assembly 2 is used for guiding the wind direction, and the orientation of the second air inlet 2a is the same as that of the first air inlet 1a, so that the cooling air flow 10 above the heat dissipation assembly 1 is basically consistent with that of the cooling air flow 10 in the heat dissipation assembly 1, namely, the air flow can only go forward and then go out, and the cooling air flow 10 is prevented from flowing into the heat dissipation assembly 1 again from the vent 1c in the rack, thereby avoiding the internal circulation in the heat dissipation assembly 1, influencing the discharge of the cooling air flow 10 after heat exchange to the outside, further improving the heat dissipation efficiency of the system, and ensuring the heat dissipation effect.
Furthermore, the air guiding assembly 2 comprises an air guiding cover 21 with an opening at the bottom and an air inlet panel 22, the opening at the bottom of the air guiding cover 21 is covered above the ventilation opening 1c, an opening is formed at one side of the air guiding cover 21, the air inlet panel 22 is covered at the opening, the opening at the bottom forms a second air outlet 2b, and a second air inlet 2a is formed on the air inlet panel 22. The air guide assembly 2 forms an air guide channel by setting the structure of the air guide cover 21, so that the second air inlet 2a with the same direction as that of the first air inlet 1a is communicated to the vent 1c to play a role in guiding the cooling air flow 10, and the whole structure of the air guide cover 21 also covers the vacant space above the vent 1c, so that the cooling air flow 10 flowing out of other parts inside is prevented from flowing back to the heat dissipation assembly 1 from the vent 1c again to play a role in shielding.
When the air guide cover is specifically arranged on the basis, the top edge of the air inlet panel 22 is connected with the edge of the top plate of the air guide cover 21, and the bottom edge of the air inlet panel 22 is connected with the edge of the first air inlet 1a, so that a sealing structure is formed, and the external cooling air flow 10 can only enter from the air inlet panel 22.
In this embodiment, in order to achieve a better guiding effect, the top plate of the air guiding cover 21 is set as an arc-shaped plate, and two side edges of the arc-shaped plate along the arc extending direction are respectively connected to the top surface of the heat dissipation assembly 1 and the air intake panel 22. The arc-shaped plate can reduce the resistance of the air guide assembly 2 to the cooling air flow 10, and better guiding is realized.
A plurality of first through holes 23 are distributed on the air inlet panel 22, and all the first through holes 23 form second air inlets 2 a. The first air inlet 1a is formed by a plurality of first through holes 23 arranged on the air inlet panel 22, so that the structure arrangement and the production and manufacture are convenient. Preferably, the first through holes 23 may be uniformly distributed on the intake panel 22 in order to make the air flow uniform.
In this embodiment, the air guiding assembly 2 and the heat dissipating assembly 1 may be detachably connected to each other for facilitating assembly installation. The measure of mode can be dismantled in concrete realization has the buckle to connect, and the spout is connected and is connected etc. all can through the fastener, can be according to surperficial vacant space or set up convenient degree nimble selection.
For the heat dissipation assembly 1 of the rack heat dissipation structure, the heat dissipation assembly 1 further includes a top cover plate 13, and the top cover plate 13 is slidably connected to the top surface of the heat dissipation assembly 1, so that the top cover plate 13 can slide to cover the vent 1c at the top of the heat dissipation assembly 1.
For the design aiming at the upper cover vent hole at present, the optimal utilization of the upper cover opening can not be achieved by the specific configuration of the adjusting system on the rack according to the use scene of a user, so that the air channel can not be flexibly changed according to the requirement and the opening rate can not be optimized. The setting of this embodiment can effectively change wind channel and maximize percent opening, realizes nimble application, and the structure is popular succinct, easily realizes.
On this basis, the top surface of the heat dissipation assembly 1 is further provided with a slide rail 14, the side of the top cover plate 13 is provided with a slide block, and the slide block is slidably connected to the slide rail 14, so that the slide block drives the top cover plate 13 to move along the extending direction of the slide rail 14. The sliding movement of the top cover plate 13 relative to the top surface of the heat sink assembly 1 is achieved by means of the connection of the slide rails 14 and the sliders. In this embodiment, the side of the top cover plate 13 may be used as a slider to cooperate with the slide rails 14, and meanwhile, the slide rails 14 may be set as a group, and the two slide rails 14 are respectively located at two side edges of the ventilation opening 1c, so that the top cover plate 13 can slide and move to the ventilation opening 1c from the side of the ventilation opening 1 c.
For the purpose of automatic control, the heat dissipation assembly 1 may further include a driving member connected to the slider to drive the slider to move along the extending direction of the sliding rail 14. The driving piece drives the sliding block to move along the sliding rail 14, so that the adjustment is convenient. And the driving piece can be connected with a control system, and the moving distance is controlled by the control system. Furthermore, the internal temperature of the heat dissipation assembly 1 can be monitored through the control system, and after the temperature reaches a set temperature, the sliding block is automatically driven to move, so that the top cover plate 13 is opened, and the heat dissipation effect is improved.
A plurality of second through holes 131 may be formed on the surface of the top cover plate 13, and the second through holes 131 communicate the inside of the heat dissipation assembly 1 with the outside. When the top cover plate 13 is covered on the vent 1c, the vent 1c is not completely closed, and a certain heat dissipation effect is still ensured.
The first through hole 23 of the air intake panel 22 and the second through hole 131 of the top cover plate 13 may be formed by punching the plates. In other embodiments, the shapes of the first through holes 23 and the second through holes 131 are not limited to circular holes, and may also be strip-shaped holes, slots, and other structural shapes, as long as the inside and outside units of the heat dissipation assembly 1 are ensured to be communicated, and the structural surfaces are uniformly distributed.
The frame heat radiation structure provided by the embodiment can be applied to the fields of servers, exchangers, workstations, outdoor cabinets and the like which need active air cooling and heat radiation, and the heat radiation efficiency of the system can be improved by configuring the sizes of the upper cover ventilation air duct and the heat radiation opening holes.
It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description is only for the purpose of describing particular embodiments of the present disclosure, so as to enable those skilled in the art to understand or implement the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The rack heat dissipation structure is characterized by comprising a heat dissipation component (1) and an air guide component (2), wherein a heat dissipation unit is placed in the heat dissipation component (1);
a first air inlet (1a) and a first air outlet (1b) are formed at two ends of the heat dissipation assembly (1), a ventilation opening (1c) is formed in the top of the heat dissipation assembly (1), and the first air inlet (1a), the first air outlet (1b) and the ventilation opening (1c) are communicated with the inside and the outside of the heat dissipation assembly (1);
the air guide assembly (2) is internally provided with an air guide channel, the air guide channel is provided with a second air inlet (2a) and a second air outlet (2b) which are communicated with the outside, the second air inlet (2a) and the first air inlet (1a) face the same direction, and the second air outlet (2b) is covered on the ventilation opening (1 c).
2. The rack heat dissipation structure according to claim 1, wherein the air guide assembly (2) includes an air guide cover (21) with an open bottom and an air inlet panel (22), the open bottom of the air guide cover (21) covers the air vent (1c), an opening is formed on one side of the air guide cover (21), the air inlet panel (22) covers the opening, the open bottom forms the second air outlet (2b), and the second air inlet (2a) is formed in the air inlet panel (22).
3. The rack heat dissipation structure according to claim 2, wherein the top plate of the wind scooper (21) is an arc-shaped plate, and two sides of the arc-shaped plate along the arc extension direction are respectively connected to the top surface of the heat dissipation assembly (1) and the air inlet panel (22).
4. The rack heat dissipation structure according to claim 2, wherein a top edge of the air inlet panel (22) is connected to a top plate edge of the air guiding cover (21), and a bottom edge of the air inlet panel (22) is connected to an edge of the first air inlet (1 a).
5. The rack heat dissipation structure according to claim 2, wherein a plurality of first through holes (23) are disposed on the air intake panel (22), and all the first through holes (23) form the second air inlets (2 a).
6. The rack heat dissipation structure according to claim 1, wherein the air guide assembly (2) is detachably connected to the heat dissipation assembly (1).
7. The rack heat dissipation structure according to any one of claims 1 to 6, wherein the heat dissipation assembly (1) further comprises a top cover plate (13), the top cover plate (13) being slidably connected to a top surface of the heat dissipation assembly (1) such that the top cover plate (13) can be slid to cover the vent (1c) at the top of the heat dissipation assembly (1).
8. The rack heat dissipation structure according to claim 7, wherein a slide rail (14) is disposed on a top surface of the heat dissipation assembly (1), and a slider is disposed on an edge of the top cover plate (13), and the slider is slidably connected to the slide rail (14), so that the slider drives the top cover plate (13) to move along an extending direction of the slide rail (14).
9. The rack heat dissipation structure according to claim 8, wherein the heat dissipation assembly (1) further comprises a driving member connected to the slider to drive the slider to move along the extending direction of the slide rail (14).
10. The rack heat dissipation structure of claim 7, wherein a plurality of second through holes (131) are formed in the surface of the top cover plate (13), and the second through holes (131) communicate the inside of the heat dissipation assembly (1) with the outside.
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CN202123384064.0U CN217064370U (en) | 2021-12-29 | 2021-12-29 | Heat dissipation structure of rack |
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CN202123384064.0U CN217064370U (en) | 2021-12-29 | 2021-12-29 | Heat dissipation structure of rack |
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