WO2019015200A1

WO2019015200A1 - Air blocking cover for cpu

Info

Publication number: WO2019015200A1
Application number: PCT/CN2017/113703
Authority: WO
Inventors: 张洪镇; 肖波; 李松磊
Original assignee: 郑州云海信息技术有限公司
Priority date: 2017-07-20
Filing date: 2017-11-30
Publication date: 2019-01-24
Also published as: CN107340839A

Abstract

An air blocking cover for a CPU comprises a bottom plate (8). Airflow guiding trenches (9) are formed below the bottom plate (8). Airflow guiding channels (91) are formed between the airflow guiding trenches (9). A left heat dissipation region (3), a middle heat dissipation region (4) and a right heat dissipation region (5) are arranged above the bottom plate (8). A removable middle blocking piece (41) is arranged above the middle heat dissipation region (4), a right blocking piece (51) is fixed above the right heat dissipation region (5), and an airflow direction guiding cover (7) is installed on an air outlet side of the bottom plate (8). The air blocking cover adopts a partitioning design and assembly concept, and thus the effective utilization rate of air intake and the flow rate of air passing through the interior of a case can be increased, improving the heat dissipation performance.

Description

CPU windshield

The present application claims priority to Chinese Patent Application No. JP-A No. No. No. No. No. No. No. No. No. No. No. No. No. No.

Technical field

The invention relates to a CPU windshield, which belongs to the technical field of servers and is mainly used for dissipating heat from the internal structure of the server.

Background technique

With the continuous innovation of server technology, technical indicators and machine performance requirements are also getting higher and higher. In the face of more complicated internal structure of the server and redundant internal components, a good cooling system and structure are particularly important, so it is required to put forward higher requirements for the heat dissipation performance of the server. However, the structure of the windshield used in the existing server is relatively simple, and is mostly a simple straight plate type rectifying plate, which cannot effectively control the wind speed and the wind direction, and cannot function to concentrate heat on the CPU or other core components, resulting in fan working efficiency. Underneath, the cooling and cooling requirements of multiple components inside the machine cannot be met, which seriously affects the working efficiency and operational stability of the cabinet.

Summary of the invention

In order to solve the above deficiencies, the present invention provides a CPU windshield, which adopts a sub-region design and a combined concept, which can increase the effective utilization of the intake air and the flow rate of the air passing through the chassis to improve the heat dissipation performance.

The technical solution of the present invention is as follows: a CPU windshield includes a bottom plate, a baffle is disposed below the bottom plate, a flow guiding channel is formed between the guiding grooves, and a left heat dissipating area and a middle portion are disposed above the bottom plate a heat dissipating zone and a right side heat dissipating zone, a removable middle baffle is disposed above the central heat dissipating zone, a right baffle is fixed above the right side heat dissipating zone, and a wind deflector is installed on the air outlet side of the bottom plate .

The technical solution of the present invention further includes: the wind guiding flow cover is fixed in a central heat dissipation area of the bottom plate Position, the wind guide flow cover is tilted to the right.

The technical solution of the present invention further includes: a wind speed hole is disposed at a rear end of the left side heat dissipation area, a tool placement groove is disposed at a front end of the left side heat dissipation area, and a wire bundle fixing buckle is disposed at a middle portion of the left side heat dissipation area.

The technical solution of the present invention further includes: a sliding slot is disposed on two sides of the central heat dissipating area on the bottom plate, and a middle portion of the left side heat dissipating area and the right side heat dissipating area are provided with a baffle support, and the middle part of the baffle support is disposed There are ventilation holes.

The technical solution of the present invention further includes that the middle flap and the right flap are both inverted "凵" type, and the upper surfaces of the middle flap and the right flap include a wide surface and a narrow surface, and the wide surface is located at the front end. The narrow face is at the back end.

The technical solution of the present invention further includes: a chassis connecting edge is arranged on two sides of the bottom plate, a buckle structure is arranged on the connecting edge of the chassis, a fan connecting edge is arranged on the front side of the bottom plate, and a card slot is arranged on the fan connecting edge .

The technical solution of the present invention further includes: a front plate is disposed on a front side of the bottom plate, and a front grille, a front heat sink region, and a right heat dissipation region are disposed on the front panel and the left heat dissipation region. The corresponding position is provided with an air inlet.

The invention has the beneficial effects that: by adopting the sub-region design and the combined concept, the windshield is designed as an upper heat dissipation zone and a lower heat dissipation zone, and a flow guiding channel formed by the guide groove is designed under the bottom plate to provide a cold air pair. CPU or memory for cooling and cooling, designing three different heat dissipation zones on the top, middle and right sides of the bottom plate, fixing the right baffle in the right heat sink area, and designing a detachable middle baffle in the middle heat sink area for the air duct Optimization, improve the effective utilization of intake air, achieve heat dissipation for different components, can meet the multi-purpose and multi-faceted heat dissipation effect, and install a wind guide flow cover on the air outlet side to accelerate the air passing through the inside of the chassis The heat generated by the internal components of the server can be dissipated in time to maintain the stability of the working environment inside the machine.

DRAWINGS

Figure 1 is a top plan view of the present invention.

Figure 2 is a front elevational view of the present invention.

Figure 3 is a schematic view of the middle flap of the present invention after removal.

The correspondence between the part names and the mark symbols in FIGS. 1 to 3 is as follows:

1, the chassis connection side, 11, the buckle structure, 2, the fan connection side, 21, card slot, 3, left Cooling zone, 31, wind speed hole, 32, wire harness fixing buckle, 33, tool placement slot, 4, middle heat dissipation zone, 41, middle baffle, 5, right heat sink zone, 51, right baffle, 6, baffle support 7, wind guide flow cover, 8, bottom plate, 9, diversion trough, 91, diversion channel, 101, air inlet, 102, into the style grid.

Detailed ways

The invention will be further illustrated by the following examples in conjunction with the accompanying drawings.

As shown in FIG. 1 to FIG. 3, a CPU windshield of the present invention uses a sub-area and a combined idea to change the appearance and structure of the windshield, so that the windshield can satisfy various aspects of heat dissipation. The effect is that the effective utilization of the air intake of the fan end can be improved, not only to meet the heat dissipation requirement of the CPU, but also to meet the heat dissipation requirements of other internal components such as memory; on the other hand, the air flow rate inside the chassis can be made faster, The heat generated by the internal components of the server is released in time to maintain the stability of the internal working environment of the machine.

A CPU windshield of the present invention comprises a bottom plate 8, a baffle 9 is arranged below the bottom plate 8, and a flow guiding channel 91 is formed between adjacent flow guiding grooves 9, which can provide cold air for the CPU or the memory. Cooling down.

The upper side of the bottom plate 8 is provided with a left heat dissipation zone 3, a middle heat dissipation zone 4 and a right heat dissipation zone 5, wherein a removable middle stop 41 is disposed above the central heat dissipation zone 4, and can be used according to the internal components of the chassis. The heat dissipation requires selective mounting or no middle flap 41 on the central heat sink 4. Specifically, on both sides of the central heat dissipation area 4 on the bottom plate 8, a sliding groove for mounting the middle blocking piece 41 is designed, and in the middle of the central heat dissipation area 4, a blocking piece support 6 for supporting the middle blocking piece 41 is designed. At the same time, a vent hole is designed in the middle of the flap support 6 to facilitate the passage of cold air entering from the fan.

The right side heat dissipating area 5 adopts a structure similar to that of the central heat dissipating area 4, except that the right blocking piece 51 is fixed on the right side heat dissipating area 5, and specifically, the right side heat dissipating area 5 is also designed to support the right blocking piece 51. The flap support 6 is also provided with a venting hole in the middle of the flap support 6.

The rear end of the left side heat dissipating area 3 is provided with a wind speed hole 31, which can increase the passing wind speed. The front end of the left side heat dissipating area 3 is provided with a tool placing groove 33, and the middle part of the left side heat dissipating area 3 is provided with a wire bundle fixing buckle 32. It can strengthen the structural strength of the windshield. On the other hand, it can easily place tools such as a Phillips screwdriver or a hex wrench during maintenance, and can fix the used harness, effectively plan the internal space, and improve the utilization rate.

A wind guide cover 7 is attached to the air outlet side of the bottom plate 8, specifically, the wind guide cover 7 is fixed. At the central heat dissipation zone 4 position of the bottom plate 8, and the wind guide cover 7 is designed to be inclined to the right side, the wind speed of the air passing through the chassis can be improved, and the heat dissipation performance can be improved.

In the present invention, in order to improve the heat dissipation performance, the middle flap 41 and the right flap 51 are both inverted "凵" type, and the upper surfaces of the middle flap 41 and the right flap 51 are designed to have a deformed structure, that is, including a width. Face and narrow face, wherein the wide face is designed at the front end and the narrow face is designed at the rear end, so that the air flow rate through the space is changed by the shape change to improve the heat dissipation performance.

The combined windshield of the present invention is mounted on the chassis through the buckle structure 11 of the side connecting edge 1 of the two sides, and is connected to the fan by the card slot 21 of the fan connecting side 2 of the front end, which is caused by the fan during normal working of the machine. The air flow enters from the front end, as indicated by the direction of the arrow in Fig. 1, a part of the flow guiding passage 91 from the bottom of the bottom plate 8 is cooled by the CPU or the memory, and the other part passes through three areas above the bottom plate 8, for the rear of the windshield The component is cooled. When the rear component generates a large amount of heat and requires a large amount of cooling, the middle flap 41 is installed on the chute at the central heat dissipating zone 4 of the bottom plate 8 to increase the amount of air entering the rear; It is not necessary to install the middle flap 41.

In the present invention, the front end of the windshield can be designed as the same open-type open structure as the rear end, or the front plate can be designed at the front end, and the front grille 102 is designed to enter the style grille 102 at the position corresponding to the left side heat-dissipating area 3 on the front panel. The air inlet 101 is designed on the front panel corresponding to the central heat dissipation area 4 and the right heat dissipation area 5.

The specific design method of the windshield of the present invention is as follows:

1) Plan the internal space of the server according to the CPU structure and the heat sink structure;

2) Determine the position of the windshield according to the size of the heat sink and the position of the fan;

3) Install the CPU, radiator and windshield;

4) Build a full-rack server system with complete functions;

5) Test the prototype, power, heat, operation and other functions work normally, and then complete the entire system.

The invention realizes the multi-purpose function of the windshield by the flexible combined baffle and the sub-area design, and can dissipate heat in a plurality of different positions and different requirements at the same time in the inside of the chassis, and utilize the tool groove and the wire harness buckle. The internal space of the server is flexibly utilized, the internal structure is reinforced, and the aerodynamic principle is adopted, so that the air passes through various components at a high flow rate inside the chassis, so as to achieve a short time to remove a large amount of heat, thereby effectively improving the internality of the server. The working environment can also avoid affecting other electronic components around, reduce the working temperature of the whole machine, ensure the reliability of the system operation, and reduce the risk of loss of interest rate data.

The above is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. Within the scope of protection of the invention.

Claims

A CPU windshield is characterized in that it comprises a bottom plate (8), a flow guiding groove (9) is arranged below the bottom plate (8), and a flow guiding channel (91) is formed between the guiding grooves (9). Above the bottom plate (8), there is disposed a left heat dissipation zone (3), a middle heat dissipation zone (4) and a right heat dissipation zone (5), and the middle heat dissipation zone (4) is provided with a removable middle block above the central heat dissipation zone (4) A sheet (41) has a right flap (51) fixed to the upper side of the right side heat dissipating zone (5), and a wind deflector (7) is attached to the air outlet side of the bottom plate (8).
A CPU windshield according to claim 1, wherein said wind deflector (7) is fixed at a central heat dissipating area (4) of the bottom plate (8), and the wind guiding flow (7) is directed to Tilt setting on the right side.
A CPU windshield according to claim 1 or 2, wherein the rear end of the left side heat dissipating area (3) is provided with a wind speed hole (31), and the front end of the left side heat dissipating area (3) is disposed. There is a tool placement slot (33), and a cable bundle fixing buckle (32) is provided in the middle of the left side heat dissipation area (3).
A CPU windshield according to claim 3, wherein the bottom plate (8) is provided with a chute on both sides of the central heat dissipating area (4), and the left side heat dissipating area (4) and the right side. A central portion of the heat dissipating region (5) is provided with a baffle support (6), and a venting hole is provided in a central portion of the baffle support (6).
A CPU windshield according to claim 4, wherein said middle flap (41) and right flap (51) are both inverted "凵" type, middle flap (41) and right block The upper surface of the sheet (51) includes a wide face and a narrow face, the wide face being at the front end, the narrow face being at the rear end.
A CPU windshield according to claim 1, wherein a chassis connecting edge (1) is disposed above the two sides of the bottom plate (8), and a buckle structure is disposed on the connecting edge (1) of the chassis (1) 11) A fan connection side (2) is disposed above the front side of the bottom plate (8), and a card slot (21) is disposed on the fan connection side (2).
A CPU windshield according to claim 6, wherein the front side of the bottom plate (8) is provided with a front plate, and the front plate and the left side heat dissipation area (3) are disposed at corresponding positions. The air grille (102) is provided with an air inlet (101) at a position corresponding to the central heat dissipation zone (4) and the right heat dissipation zone (5).