CN113534930A - Annular parallel air duct air multiplication heat dissipation unit - Google Patents
Annular parallel air duct air multiplication heat dissipation unit Download PDFInfo
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- CN113534930A CN113534930A CN202110751951.2A CN202110751951A CN113534930A CN 113534930 A CN113534930 A CN 113534930A CN 202110751951 A CN202110751951 A CN 202110751951A CN 113534930 A CN113534930 A CN 113534930A
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- air
- annular
- air duct
- heat dissipation
- parallel
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 33
- 238000005192 partition Methods 0.000 claims abstract description 8
- 230000008602 contraction Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention relates to an annular parallel air channel air multiplication heat dissipation unit, which comprises a parallel air channel; the parallel air duct consists of two or more annular air ducts, a rectifying partition plate is arranged in each annular air duct, and a flanging narrow opening is formed in the outlet of each annular air duct; the air inlet of the heat dissipation unit is sequentially provided with a motor and turbine blades, and the air inlet is connected with the annular air duct through the arc-shaped air duct. The invention drives the turbine fan blades to rotate through the motor, blows high-pressure air into the annular air channels connected in parallel, the high-pressure air is divided through the arc-shaped air channels and enters each individual annular air channel, the high-pressure air is uniformly sprayed out from the narrow flanging openings of the annular air channels through the air outlet rectifying grids of the annular air channels to form a circle of high-speed air flow, a negative pressure area is formed between each annular air channel and the adjacent two annular air channels, and air around the outer part of each air channel is sucked to form large-area large-air-volume air supply. The heat dissipation unit solves the problems of dispersed air supply, uneven air volume and large loss of the heat dissipation unit in the traditional VPX plug box.
Description
Technical Field
The invention belongs to the technical field of equipment heat dissipation.
Background
At present, the heat dissipation method of the VPX case mainly adopts air-cooled heat dissipation and liquid-cooled heat dissipation. Compared with air-cooled heat dissipation, the liquid-cooled heat dissipation has the defects of large equipment quantity, low reliability, limited application scene, high cost and the like. Therefore, most VPX subracks use air-cooled heat dissipation. A heat dissipation unit is installed in a VPX plug-in box, and an axial flow fan is installed in the heat dissipation unit. The fan is adopted to carry out forced convection on the air-cooled radiating fins of the VPX board card, and the heat of the VPX board card is taken away through the convective heat exchange between air and the fins. The conventional heat dissipation unit is simple in structure, free of air channel design, and directly adopts a direct blowing mode of the axial flow fan, the air quantity is not uniformly dispersed, cooling air does not effectively flow through the heat dissipation fins, the dissipation is large, and the heat dissipation efficiency is low.
In order to improve the heat dissipation capability, the prior art generally adopts several schemes for processing: firstly, the air quantity and the air pressure are improved by increasing the rotating speed of fan blades of the fan, and the defects of high power consumption and high noise are realized; secondly, the size of the fan blades of the fan is increased, and the defect is that the spatial layout is difficult. The above schemes have no ideal effect.
Disclosure of Invention
In order to solve the problems of dispersed air supply, uneven air volume and large loss of a heat dissipation unit in a traditional VPX plug box, the invention provides an annular parallel air duct air multiplication heat dissipation unit.
The invention is realized by the following technical scheme:
the heat dissipation unit comprises a plurality of annular air channels 1 which are connected in parallel; a partition plate 11 is arranged in each annular air duct 1, the outlet is narrowed to form a contraction outlet 12, a second gap 14 is reserved in the middle of each annular air duct 1, and a first gap 13 is reserved in the middle of each adjacent annular air duct 1 in a hollow manner; the circular air duct 1 is connected with the cylinder air duct 5 through the arc-shaped air duct 2 by-pass air duct, the cylinder air duct 5 is internally provided with the turbine fan blades 3 and the motor 4, an air inlet is formed in the rear of the cylinder air duct 5, the turbine fan blades 3 and the motor 4 are axially arranged along the cylinder air duct 5, and the axial direction of the circular air duct 1 is perpendicular to the axial direction of the circular ventilation type.
Further, the heat dissipation unit is formed by connecting two or more annular air ducts 1 in parallel.
Further, the second gap 14 of the annular air duct 1 has the same distance with the middle first gap 13 of the adjacent annular air duct; the partition plate 11 is arranged along the axial air outlet direction of the annular air duct 1.
Furthermore, the width of the air opening of the contraction outlet 12 is 4mm, and the width of the internal air duct is 8 mm.
Further, the cylindrical air duct 5 is divided by the arc-shaped air duct 2 and communicated with two or more annular air ducts 1; the plurality of annular air ducts may be in communication with one or more number of cylindrical air ducts 5.
The invention has the following advantages:
the heat dissipation unit is provided with an annular air duct, an air port is aligned with a heat dissipation fin, air outlet is uniform, air quantity is concentrated, and the heat dissipation unit is efficient and energy-saving:
and a gap is reserved between the air channels to form an air multiplication effect, and the air volume is larger under the same air pressure.
Drawings
FIG. 1 is a schematic diagram of an annular parallel air duct air-multiplying heat dissipation unit;
FIG. 2 is a front view of an annular parallel duct air multiplier heat dissipation unit;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
fig. 4 is a cross-sectional view B-B of fig. 2.
1-an annular air duct; 2-arc air duct; 3, a motor; 4-turbine blades; 5-cylinder air duct.
11-a separator; 12-a converging outlet; 13-a middle gap; 14-gap of annular air duct.
Detailed Description
The invention is further explained below with reference to the drawings.
The schematic diagram of the components of an annular parallel air duct air-multiplying heat-dissipating unit is shown in figure 1. The method comprises the following steps: an annular air duct 1; an arc-shaped air duct 2; a motor 3; turbine blades 4 and a cylindrical air duct 5. The heat dissipation unit is formed by connecting a plurality of annular air ducts 1 in parallel. Two or more annular air ducts 1 are arranged in the parallel air ducts, a partition plate 11 is arranged in each annular air duct 1, an outlet is narrowed 12, a gap 14 is reserved in the middle of each annular air duct, and a gap 13 is reserved in the middle of each adjacent annular air duct in a hollow manner; wherein, the annular air duct is connected with the cylinder air duct 5 through the arc-shaped air duct 2 shunting air duct. The cylinder air duct 5 is internally provided with turbine fan blades 3 and a motor 4, and an air inlet is formed in the rear of the cylinder air duct 5. The turbine fan blades 3 and the motor 4 are axially arranged along the cylindrical air channel, and the axial direction of the annular air channel 1 is vertical to the axial direction of the circular ventilation type. According to the invention, the turbine fan blades are driven by the motor to rotate, high-pressure air is blown into the annular air channels 1 which are connected in parallel, the high-pressure air is divided by the arc-shaped air channels to enter each individual annular air channel, and is uniformly sprayed out from the narrow openings of the flanges of the annular air channels through the air outlet partition plates of the annular air channels to form a circle of high-speed air flow, a negative pressure area is formed between each annular air channel and the middle of each two adjacent annular air channels, and air around the outer part of each air channel is sucked to form large-area large-air-volume air supply.
In addition, referring to fig. 2, the annular air ducts 1 are provided with intermediate gaps 13, and gaps 14 are provided between the adjacent annular air ducts 1. The two annular air ducts 1 are combined into an air duct unit of a heat dissipation unit, and the outlet of the annular air duct 1 is narrowed to form a contraction outlet 12.
In the above invention, referring to fig. 3, the annular air duct 1 is internally provided with a partition plate 11.
Claims (5)
1. The utility model provides a parallelly connected wind channel air multiplication radiating element of annular which characterized in that: the heat dissipation unit comprises a plurality of annular air channels (1) connected in parallel; a partition plate (11) is arranged in each annular air duct (1), an outlet is narrowed to form a contraction outlet (12), a second gap (14) is reserved in the middle of each annular air duct (1), and a first gap (13) is reserved in the middle of each adjacent annular air duct (1) in a hollow manner; wherein, annular wind channel (1) is connected with drum wind channel (5) through arc wind channel (2) reposition of redundant personnel wind channel, drum wind channel (5) in install turbine fan blade (3) and motor (4), drum wind channel (5) rear is opened into the wind gap, turbine fan blade (3) and motor (4) are along drum wind channel (5) axial installation, the axial direction and the circular through type axial direction of annular wind channel (1) are perpendicular.
2. The annular parallel air duct air-multiplying heat-dissipating unit of claim 1, wherein: the heat dissipation unit is formed by connecting two or more annular air ducts (1) in parallel.
3. The annular parallel air duct air-multiplying heat-dissipating unit of claim 1, wherein: the distance between the second gap (14) of the annular air duct (1) and the first gap (13) in the middle of the adjacent annular air duct is the same; the partition plate (11) is arranged along the axial air outlet direction of the annular air duct (1).
4. The annular parallel air duct air-multiplying heat-dissipating unit of claim 1, wherein: the width of the air opening of the contraction outlet (12) is 4mm, and the width of the internal air duct is 8 mm.
5. The parallel air duct air multiplication heat dissipation unit of claim 1, wherein: the cylindrical air duct (5) is divided by the arc-shaped air duct (2) and is communicated with two or more annular air ducts (1); the plurality of annular air ducts can be communicated with one or more than one number of cylindrical air ducts (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751951.2A CN113534930A (en) | 2021-07-02 | 2021-07-02 | Annular parallel air duct air multiplication heat dissipation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110751951.2A CN113534930A (en) | 2021-07-02 | 2021-07-02 | Annular parallel air duct air multiplication heat dissipation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113534930A true CN113534930A (en) | 2021-10-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110751951.2A Pending CN113534930A (en) | 2021-07-02 | 2021-07-02 | Annular parallel air duct air multiplication heat dissipation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113534930A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04369255A (en) * | 1991-06-17 | 1992-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Heat radiating structure of electronic device |
| CN105003964A (en) * | 2015-06-29 | 2015-10-28 | 哈尔滨工业大学 | Air conditioner with fresh air exchange and purification functions |
| CN207424798U (en) * | 2017-11-16 | 2018-05-29 | 成都睿达星辰科技有限公司 | A kind of radiator installed on the server |
| CN209638055U (en) * | 2019-02-26 | 2019-11-15 | 浙江永奥节能科技有限公司 | A kind of mute type air conditioner for elevator heat emission fan |
| CN110618741A (en) * | 2019-09-17 | 2019-12-27 | 沈倩 | Computer-aided heat dissipation and human body heat dissipation multifunctional heat dissipation device |
-
2021
- 2021-07-02 CN CN202110751951.2A patent/CN113534930A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04369255A (en) * | 1991-06-17 | 1992-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Heat radiating structure of electronic device |
| CN105003964A (en) * | 2015-06-29 | 2015-10-28 | 哈尔滨工业大学 | Air conditioner with fresh air exchange and purification functions |
| CN207424798U (en) * | 2017-11-16 | 2018-05-29 | 成都睿达星辰科技有限公司 | A kind of radiator installed on the server |
| CN209638055U (en) * | 2019-02-26 | 2019-11-15 | 浙江永奥节能科技有限公司 | A kind of mute type air conditioner for elevator heat emission fan |
| CN110618741A (en) * | 2019-09-17 | 2019-12-27 | 沈倩 | Computer-aided heat dissipation and human body heat dissipation multifunctional heat dissipation device |
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| CB02 | Change of applicant information |
Address after: 210003 No. 346, Zhongshan North Road, Jiangsu, Nanjing Applicant after: 724 Research Institute of China Shipbuilding Corp. Address before: 210003 No. 346, Zhongshan North Road, Jiangsu, Nanjing Applicant before: 724TH RESEARCH INSTITUTE OF CHINA SHIPBUILDING INDUSTRY Corp. |