CN107506004A - Cabinet is reinforced using the 4U of optimization Duct design - Google Patents
Cabinet is reinforced using the 4U of optimization Duct design Download PDFInfo
- Publication number
- CN107506004A CN107506004A CN201710878171.8A CN201710878171A CN107506004A CN 107506004 A CN107506004 A CN 107506004A CN 201710878171 A CN201710878171 A CN 201710878171A CN 107506004 A CN107506004 A CN 107506004A
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- CN
- China
- Prior art keywords
- cabinet
- air
- air channel
- optimization
- box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G06F1/18—Packaging or power distribution
- G06F1/181—Enclosures
- G06F1/182—Enclosures with special features, e.g. for use in industrial environments; grounding or shielding against radio frequency interference [RFI] or electromagnetical interference [EMI]
-
- 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
- G06F1/18—Packaging or power distribution
- G06F1/183—Internal mounting support structures, e.g. for printed circuit boards, internal connecting means
-
- 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
Abstract
The present invention relates to a kind of 4U using optimization Duct design to reinforce cabinet, the closed structure that the cabinet is made up of front panel, case box and rear case component, radiating fin internally is set on the case box above module, radiating fin coverage foreshortens to identical with internal module length range, radiating fin rear air channel side wall passes through gentle slope constriction, and radiating fin afterbody processes the gradient of parallel side wall, in air channel side wall junction rounding；Rear case component includes windshield plate, Fan Box and air plug plate, rear side air channel is made in the middle part of air plug plate, and windshield plate and Fan Box are installed on air plug plate.The present invention is a kind of design science, rational in infrastructure, the practical 4U using optimization Duct design reinforces cabinet, it can improve the uniformity of ventilation volume using this reinforcing cabinet, improve radiating effect, reduction noise, meet miniaturization, the requirement of high integration computer.
Description
Technical field
The invention belongs to the reinforcing cabinet of military computer engineer applied technical field, especially one kind to be operated in severe electricity
Under magnetic, high temperature, damp and hot and salt mist environment, using forced air cooling heat-removal modalities using the 4U reinforcing machines for optimizing Duct design
Case.
Background technology
Military computer often is faced with harsh high temperature, damp and hot, salt fog and EMC Requirements, in order to solve cabinet
Environmental suitability requirement, generally use totally-enclosed design, and as modern electronic equipment calculates machine towards miniaturization, high integration
Direction is developed, and higher requirement is constantly proposed to its heat-sinking capability.Therefore, what air channel isolated with cabinet inside forces wind indirectly
Cold cooling cabinet is widely used.Compared to other radiating modes, forced air cooling possess heat-sinking capability is strong, structure can
Lean on, small volume, in light weight, many advantages such as heat eliminating medium is readily available.
And although the wind path design that traditional forced air cooling reinforces cabinet meets cooling requirements, sent out by practical application
Following defect be present in existing its：It is adherent be arranged in cabinet inside both sides power module local temperature it is higher；(2) computers work
Intermittent loud noise during work be present.Through analysis and measurement, above phenomenon does not conform to mainly due to former casing structure Duct design
Reason, thus causes air quantity to be largely focused among air channel, cabinet both sides air channel ventilation is only 0.4m/s, Gu electricity Yuan Mokuaichu
Radiating efficiency is low.At the same time, do not consider blower fan oneself factor, traditional cabinet air channel structure is complicated and wind path part windage compared with
Greatly, because air turbulence caused by irregular path in air channel and complicated turning constitutes a part of noise source.
The content of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide it is a kind of it is rational in infrastructure, radiating efficiency is high and makes an uproar
The less 4U using optimization Duct design of sound reinforces cabinet.
The purpose of the present invention is realized by following technological means：
A kind of 4U using optimization Duct design reinforces cabinet, and the cabinet is by front panel, case box and rear case component
The closed structure of composition, multiple air inlets are made on its front panel, be used to standard 3U modules be installed inside case box, this is interior
Portion's module is locked by wedge-shaped guide rail and case box, and case box sets cabinet air channel, and internal module separates with cabinet air channel,
It is characterized in that：Radiating fin internally is set on the case box above module, the radiating fin coverage foreshorten to
Internal module length range is identical, radiating fin rear air channel side wall by gentle slope constriction, and radiating fin afterbody process it is flat
The gradient of row side wall, in air channel side wall junction rounding；Rear case component includes windshield plate, for installing blower fan and being formed negative
The Fan Box of pressure and for installing aviation socket and changing the air plug plate of air-flow direction in air channel, makes in the middle part of air plug plate
Rear side air channel, and windshield plate and Fan Box are installed on air plug plate.
Moreover, described cabinet monnolithic case size is 482.6mm × 177mm × 331mm.
Moreover, described cabinet can be fixed on Standard Machine by the spring screw on front panel and optional sliding track mechanism
Cabinet and stage body.
Moreover, described rear side air channel is made, upper and lower part is wider, the narrower shape in middle part, top and middle part, middle part
Joint face with bottom is inclined side.
Moreover, described case box and air plug plate are molded using aluminium alloy welding.
Moreover, described front panel is respectively arranged with conductive rubber strip with casing junction, rear case component and casing junction.
The advantages and positive effects of the present invention are：
1st, the cabinet air channel after optimizing effectively improves the uniformity of air volume adjustment, and air channel both sides mean wind speed is by 0.3m/s
Bring up to 0.55m/s, both sides intake lifting more than 80%, effectively make cabinet both sides module maximum temperature decline 5 DEG C with
On.
2nd, due to improving the irregular bent angle in air channel, the ride comfort in air channel is added, changes air channel inner air
Partial fluidization, moving air local eddy currents are greatly decreased, so as to reduce noise caused by system air channel, after tested complete machine noise by
49dB drops to 47dB.
3rd, this cabinet design air channel separates with cabinet inside structure, can effectively meet damp and hot cabinet, salt fog, make an uproar
The test requests such as sound.
4th, the present invention be a kind of design science, rational in infrastructure, the practical 4U reinforcing machines using optimization Duct design
Case, using this reinforcing cabinet can improve ventilation volume uniformity, improve radiating effect, reduce noise, meet miniaturization,
The requirement of high integration computer.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention；
Fig. 2 is cabinet inside structure and cabinet air channel schematic diagram；
Fig. 3 is rear cover for case schematic diagram；
Fig. 4 is bonnet air channel schematic diagram.
Embodiment
Describe embodiments of the invention in detail below in conjunction with the accompanying drawings；It should be noted that the present embodiment is narrative, no
It is limited, it is impossible to which protection scope of the present invention is limited with this.
A kind of 4U using optimization Duct design reinforces cabinet, and the cabinet is by front panel 1, case box 2 and bonnet group
The closed structure that part 3 forms, cabinet monnolithic case size is 482.6mm × 177mm × 331mm.Cabinet passes through on front panel
Spring screw 4 and optional sliding track mechanism can be fixed on standard cabinet and stage body.Made on the front panel of cabinet it is multiple enter
Air port.
It is used to standard 3U modules 5 be installed inside case box, the internal module is locked by wedge-shaped guide rail and case box,
So as to which the heat of module is directed at into case box by guide groove.Case box sets cabinet air channel, internal module and cabinet wind
Road separates.
Internally on the case box above module set radiating fin 6, the radiating fin coverage foreshorten to it is interior
Portion's block length scope is identical, can effectively reduce being lost along stroke pressure for non-heat dissipation region, improves air quantity；Radiating fin rear
Air channel side wall 8 is by gentle slope constriction, and radiating fin afterbody processes the gradient of parallel side wall, can avoid air channel width mutation
And right-angle bending, make blast change uniform, improve air channel both sides and phenomenon that middle air quantity has big difference；In air channel, side wall connects
Place's rounding 9 is connect, local windage caused by each bent angle can be effectively reduced, effectively eliminates the presence of local eddy currents in air channel, is reduced
Noise caused by moving air.
Rear case component, also comprising blower fan structure, forced air cooling is formed by exhausting form in addition to external electric interfaces are provided
Radiating.Rear case component includes windshield plate 11, for installing blower fan and forming the Fan Box 10 of negative pressure and for installing aviation socket
And change the air plug plate 7 of air-flow direction in air channel, windshield plate and Fan Box are installed on air plug plate.Made in the middle part of air plug plate
Rear side air channel, rear side air channel are made that upper and lower part is wider, the narrower shape in middle part, and top and middle part, middle part and bottom
Joint face is inclined side 13.
Fig. 3 is rear cover for case plate structure schematic diagram, and Fig. 4 is after removing Fan Box and windshield plate in rear case component in Fig. 3
Side air channel structure, it is rotated in by blower fan in fan box and air channel middle chamber 12 and produces uniform negative pressure, by case box air channel
Interior hot-air is pumped into aviation socket plate middle chamber, ensures that air flow is uniform by inclined side, reduces by right angle bent angle
Caused by noise in wind path.
Case box and air plug plate described in the present embodiment are molded using aluminium alloy welding, and structural strength is effectively ensured
With air channel air-tightness.Described front panel is respectively arranged with conductive rubber strip with casing junction, rear case component and casing junction, has
The seal and conducting continuity of cabinet inside are ensure that to effect, so that complete machine has dust-proof, salt spray proof, wet-heat resisting, anti-electricity
The characteristics such as magnetic disturbance.
The operation principle of the present invention：
Forced air cooling cooling cabinet by redesign is mainly made up of following sections：For installing blower fan and being formed
The fan box of negative pressure, the air plug plate installed aviation socket and change air-flow direction in air channel, fixed cabinet inside module are simultaneously
Play the case box of main heat sink, comprising cabinet fixing screws and provide the front panel of air inlet of air duct.
Under fan action, cold air is turbulent condition when entering cabinet air channel by front panel air inlet, flows through connection
Heat exchange is completed in the radiating fin region of heating module, and hot-air slowly converges to intermediate range by air channel both sides side wall, through boat
Plate and Fan Box discharge air channel.
Claims (6)
1. a kind of 4U using optimization Duct design reinforces cabinet, the cabinet is by front panel, case box and rear case component group
Into closed structure, multiple air inlets are made on its front panel, are used to standard 3U modules be installed inside case box, inside this
Module is locked by wedge-shaped guide rail and case box, and case box sets cabinet air channel, and internal module separates with cabinet air channel, its
It is characterised by：Radiating fin internally is set on the case box above module, the radiating fin coverage foreshorten to it is interior
Portion's block length scope is identical, radiating fin rear air channel side wall by gentle slope constriction, and radiating fin afterbody process it is parallel
The gradient of side wall, in air channel side wall junction rounding；Rear case component includes windshield plate, for installing blower fan and forming negative pressure
Fan Box and for installing aviation socket and changing the air plug plate of air-flow direction in air channel, after being made in the middle part of air plug plate
Crosswind road, and windshield plate and Fan Box are installed on air plug plate.
2. a kind of 4U using optimization Duct design according to claim 1 reinforces cabinet, it is characterised in that：Described machine
Case monnolithic case size is 482.6mm × 177mm × 331mm.
3. a kind of 4U using optimization Duct design according to claim 1 reinforces cabinet, it is characterised in that：Described machine
Case can be fixed on standard cabinet and stage body by the spring screw on front panel and optional sliding track mechanism.
4. a kind of 4U using optimization Duct design according to claim 1 reinforces cabinet, it is characterised in that：After described
Crosswind road is made that upper and lower part is wider, the narrower shape in middle part, and the joint face at top and middle part, middle part and bottom is to tilt
Side.
5. a kind of 4U using optimization Duct design according to claim 1 reinforces cabinet, it is characterised in that：Described machine
Box body and air plug plate are molded using aluminium alloy welding.
6. a kind of 4U using optimization Duct design according to claim 1 reinforces cabinet, it is characterised in that：Before described
Panel is respectively arranged with conductive rubber strip with casing junction, rear case component and casing junction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878171.8A CN107506004B (en) | 2017-09-26 | 2017-09-26 | 4U reinforced chassis adopting optimized air duct design |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710878171.8A CN107506004B (en) | 2017-09-26 | 2017-09-26 | 4U reinforced chassis adopting optimized air duct design |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107506004A true CN107506004A (en) | 2017-12-22 |
| CN107506004B CN107506004B (en) | 2023-09-15 |
Family
ID=60698834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710878171.8A Active CN107506004B (en) | 2017-09-26 | 2017-09-26 | 4U reinforced chassis adopting optimized air duct design |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107506004B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587979A (en) * | 2018-12-21 | 2019-04-05 | 中国船舶重工集团公司第七0七研究所 | A kind of standardization combined cabinet towards ship integrated navigation system |
| CN112752474A (en) * | 2020-10-30 | 2021-05-04 | 天津七所精密机电技术有限公司 | Wetting modification processing method for case body and high-protection reinforced electronic equipment |
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| CN202949665U (en) * | 2012-09-24 | 2013-05-22 | 西安电子工程研究所 | Composite radiation sealed cabinet |
| CN205375331U (en) * | 2015-12-26 | 2016-07-06 | 天津市亚威达科技有限责任公司 | Subrack is consolidated to standard |
| WO2016180255A1 (en) * | 2015-05-08 | 2016-11-17 | 珠海格力电器股份有限公司 | Air conditioner |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109587979A (en) * | 2018-12-21 | 2019-04-05 | 中国船舶重工集团公司第七0七研究所 | A kind of standardization combined cabinet towards ship integrated navigation system |
| CN112752474A (en) * | 2020-10-30 | 2021-05-04 | 天津七所精密机电技术有限公司 | Wetting modification processing method for case body and high-protection reinforced electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107506004B (en) | 2023-09-15 |
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