CN202364519U - Air flue device and cabinet - Google Patents
Air flue device and cabinet Download PDFInfo
- Publication number
- CN202364519U CN202364519U CN2011204581570U CN201120458157U CN202364519U CN 202364519 U CN202364519 U CN 202364519U CN 2011204581570 U CN2011204581570 U CN 2011204581570U CN 201120458157 U CN201120458157 U CN 201120458157U CN 202364519 U CN202364519 U CN 202364519U
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- air
- subrack
- rack
- exhaust passage
- subracks
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Abstract
The utility model provides an air flue device and a cabinet. The air flue device is arranged in the cabinet. Subracks are arranged in the cabinet. The air flue device includes an air exhaust channel. The air exhaust channel is in an enclosed structure. An air inlet of the air flue device communicates with air outlets of the subracks. An air outlet of the air flue device communicates with the external of the subracks. By adopting the technical scheme provided in the utility model, problems that a hot air backflow phenomenon between the subracks in the cabinet causes temperature rise of air in the air inlets of the subracks and the like in related techniques are solved, thereby avoiding the hot air backflow between the subracks. Therefore, hot air from the air outlets of the subracks can be absorbed by the air outlets of the subracks again. The temperature of the air inlets of the subracks is reduced distinctively, thereby realizing an effect of improving subrack and system heat dissipating capacity.
Description
Technical field
The utility model relates to electronic communication field, in particular to a kind of air-duct apparatus and rack.
Background technology
Along with improving constantly of modern communication appliance services disposal ability, and the supporting business kind is on the increase, and the system equipment power dissipation density increases gradually; The system equipment reliability requirement improves constantly; Communication system devices particularly, functional integration is increasingly high, and equipment is more and more warmmer.
Current communication electronic equipment dissipating heat technology mainly comprises natural cooling and air blast cooling heat dissipation technology, and the air blast cooling heat dissipation technology is extensively adopted because heat-sinking capability is strong, with low cost, technology is simple.
Air blast cooling equipment as its name suggests, utilizes blower fan or pump as power drive; The both sides of all blower fans all exist zone of positive pressure and negative pressuren zone, and promptly fan outlet is a zone of positive pressure, and air inlet is a negative pressuren zone; The air of zone of positive pressure can flow to negative pressuren zone under the effect of difference force, if the blower fan inlet and outlet can not effectively be isolated, the air of fan outlet can be back to air inlet so; Here it is blower fan backflow effeet should be avoided the blower fan backflow effeet as far as possible in design and use.
Horizontal subrack equipment is installed in the rack, because the subrack air channel is air channel, the left and right sides, gets into from the subrack right side such as cold air; Hot-air is discharged from subrack left side, and all there is side panel the rack left and right sides, causes hot-air direct projection that subrack discharges vertical break-in behind the side panel; Under the influence of the blower fan backflow effeet of mentioning hereinbefore; Hot-air is back to the subrack air inlet again, causes subrack air intake air themperature very high, and the subrack EAT is apparently higher than ambient temperature; At this moment subrack is in by in the local environment of " high temperature ", thereby influences the subrack heat dispersion.Remain unchanged if guarantee the subrack EAT, must reduce extraneous (machine room) ambient temperature so, and reduce extraneous (machine room) ambient temperature, will inevitably produce a large amount of energy consumptions.
Therefore, subrack equipment is installed in the rack, has the hot air reflow phenomenon between subrack and the subrack, i.e. the hot-air of subrack air outlet discharge is inhaled into the subrack air inlet again, thereby improves subrack air inlet air themperature.For example, ambient temperature is under 45 ℃ of situation, and subrack equipment EAT has reached 63 ℃, exceeds 18 ℃ of ambient temperatures.
To the above-mentioned technical problem in the correlation technique, effective solution is not proposed as yet at present.
The utility model content
In correlation technique, there is the hot air reflow phenomenon between the subrack in the rack and causes problem such as subrack air inlet air themperature raising, the utility model provides a kind of air-duct apparatus and rack, one of to address the above problem at least.
An aspect according to the utility model provides a kind of air-duct apparatus, is arranged in the rack, wherein, is provided with subrack in the rack, and above-mentioned air-duct apparatus comprises an air exhaust passage, and this air exhaust passage is an enclosed construction; The air intake vent of air exhaust passage communicates with the air outlet of subrack; The air outlet of air exhaust passage is communicated to the outside of rack.
The air outlet of said exhaust passage is positioned at the top of subrack.
Above-mentioned air-duct apparatus also comprises: front apron, be arranged at the rack front end, and be connected with the side panel of a side of rack;
Side shield is oppositely arranged with side panel; Side shield matches with the rear board of side panel, front apron, rack, the base plate of rack and the top board of rack, forms air exhaust passage.
The air intake vent of said exhaust passage is arranged on the side shield.
The air outlet of said exhaust passage is arranged on the top board.
Above-mentioned subrack is a plurality of, in rack, sets gradually from bottom to top; Between the top board of subrack and rack, between the base plate of subrack and rack and be provided with baffle plate between each subrack; The sidewall of the air-out oral-lateral of a plurality of subracks matches with a plurality of baffle plates and forms side shield jointly.
Above-mentioned side shield is connected through bolt arrangement or locating pin structure with front apron.
Above-mentioned side shield links to each other through bolt arrangement or locating pin structure with rear board.
The cross section of said exhaust passage is a rectangle.
According to the utility model on the other hand, a kind of rack is provided, has comprised above-described air-duct apparatus.
Pass through the utility model; Adopt the air exhaust passage of a sealing of design and the technological means air outlet of the air intake vent of this air exhaust passage and subrack is identical and that the air outlet of air exhaust passage is communicated in the rack outside; Solved and had the hot air reflow phenomenon between the subrack in the rack in the correlation technique and cause problem such as subrack air inlet air themperature raising; Thereby avoided the hot air reflow between subrack and the subrack; The hot blast that promptly comes out from the subrack air outlet is sucked by the subrack air intake vent again, has reached remarkable reduction subrack intake air temperature, and then promotes the effect of subrack and system radiating ability.
Description of drawings
Accompanying drawing described herein is used to provide the further understanding to the utility model, constitutes the application's a part, and illustrative examples of the utility model and explanation thereof are used to explain the utility model, do not constitute the improper qualification to the utility model.In the accompanying drawings:
Fig. 1 is the structural representation according to the air-duct apparatus of the utility model embodiment;
Fig. 2 is the structural representation after installing in rack according to the air-duct apparatus of the utility model embodiment;
Fig. 3 is according to the A partial schematic diagram of in rack, installing based on closed air exhaust passage embodiment illustrated in fig. 2;
Fig. 4 is according to the design cycle sketch map of the air exhaust passage of the utility model embodiment;
Fig. 5 is the scheme of installation of 3 subracks in rack according to the utility model embodiment.
Embodiment
Hereinafter will and combine embodiment to specify the utility model with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.
Fig. 1 is the structural representation according to the air-duct apparatus of the utility model embodiment, and Fig. 2 is the structural representation after installing in rack according to the air-duct apparatus of the utility model embodiment.As depicted in figs. 1 and 2, this air-duct apparatus 10 is arranged in the rack 30, wherein, is provided with subrack 50 in the rack 30, and this air-duct apparatus 10 comprises an air exhaust passage 101, and this air exhaust passage 101 is an enclosed construction; The air intake vent 1011 of air exhaust passage 101 communicates with the air outlet 501 of subrack 50; The air outlet 1013 of air exhaust passage 101 is communicated to the outside of rack 30.
Because the air exhaust passage of above-mentioned air-duct apparatus is a Seal Design; Therefore; Can effectively prevent the hot air reflow of coming out, promptly effectively prevent to produce the hot air reflow phenomenon in the rack between the subrack, thereby effectively prevent the problems such as subrack air inlet air themperature raising that cause owing to hot air reflow from the air outlet of subrack; Reach remarkable reduction subrack intake air temperature, and then promoted the effect of subrack and system radiating ability.
In order to strengthen the effect that prevents hot air reflow, as shown in Figure 1, the air outlet 1013 of said exhaust path 10 1 is positioned at the top of subrack 50, and like this, the hot air reflow that can effectively prevent to come out from air outlet 1013 is to the air intake vent of subrack.
In the present embodiment, as shown in Figure 2, the air exhaust passage 101 of above-mentioned air-duct apparatus 10 can be made up of following structure: front apron 1015, be arranged at the front end of rack 30, and be connected with the side panel 301 of a side of rack 30.Side shield 1017 is oppositely arranged with side panel 301; Side shield 1017 matches with the rear board 303 of side panel 301, front apron 1015, rack 30, the base plate 305 of rack 30 and the top board 307 of rack, forms said exhaust path 10 1.Like this, air-duct apparatus has made full use of the existing structure of rack, has reduced difficulty of processing, provides cost savings.
In an embodiment of the utility model, the air intake vent 1011 of said exhaust path 10 1 is arranged on the side shield 1017.Through said structure, realized that the air outlet of subrack directly is connected with air exhaust passage through side shield.
In a preferred implementation of the utility model, in order to strengthen the effect that prevents hot air reflow, the air outlet 1013 of said exhaust path 10 1 is arranged on the top board 307.
When the subrack in the rack 30 50 has when a plurality of, subrack sets gradually in rack 30 from bottom to top; In this execution mode, between the top board 307 of above-mentioned side shield 1017 subracks 50 and rack 30, between the base plate 305 of subrack 50 and rack 30 and be provided with baffle plate 1019 between each subrack 50; The sidewall of the air-out oral-lateral of a plurality of subracks 50 matches with a plurality of baffle plates 1019 and forms side shield 1017 jointly.
Above-mentioned side shield 1017 can be connected through bolt arrangement with front apron 1015 and rear board 303; Also can link to each other through locating pin structure; Also can be connected through bolt arrangement with front apron 1,015 one ends by side shield 1,017 one ends, both other ends link to each other with rear board 303 through locating pin structure.For last a kind of connected mode, specifically can be referring to Fig. 3.
In the specific implementation, the cross section of said exhaust path 10 1 can be rectangle or approximate rectangular.
In order to understand the foregoing description better, specify below in conjunction with relevant drawings and specific embodiment.Need to prove that wherein, the subrack 50 of the following stated refers to the functional devices of installation application in rack 30.Subrack 50 in following examples is right side air intake left side air-out in rack 30.Rack 30 refer to possess front and back opens the door or perforate, about the rack of two side-closed and end face perforate characteristic.Air channel (being air exhaust passage 101) refers to the air channel of the side installation and design in rack.The air channel refers to utilize the air channel of the spatial design between side of cabinet, front (or positive), the back side (or back) and the subrack.What the air channel referred to seals (not containing the corresponding position, air channel of subrack air outlet), air channel bottom lock, air channel open-top or perforate perpendicular to airflow direction (or rack short transverse) air channel, cross section.The cross section in air channel is a rectangle (containing square) or approximate rectangular.The air channel does not comprise Door of communication apparatus cabinet (or main entrance), and promptly cabinet door is not the air channel part.
In the present embodiment; At first calculate rack independent ventiduct sectional area according to rack and subrack size; Next selects the air channel designing wind speed to calculate the air channel air mass flow; Then according to subrack power consumption calculation subrack air quantity, thereby confirm that subrack is installed quantity in the rack, design in rack according to the installation site of subrack in rack at last and seal the air channel.Subrack and cooling machine cabinet ability be can realize promoting through present embodiment, cold and hot air circulation and influence thereof between the subrack avoided.
Particularly, as shown in Figure 4, the concrete design process in air channel is following in the present embodiment:
Step S402 calculates only rack independent ventiduct sectional area S according to rack and subrack size.Suppose the wide advanced 600mm * 2200mm of rack * 300mm, the wide advanced 480mm * 355mm of subrack * 250mm, the long-pending S of rack sealing duct cross-section is (((600-480)/2) * 300 * 0.001 * 0.001) 0.018m2 so.
Step S404 calculates air channel flow Q according to long-pending S of rack sealing duct cross-section and air channel designing wind speed.Suppose air channel designing wind speed 3m/s, calculating air channel flow Q so is (0.018 * 3) 0.054m3/s.
Step S406 calculates subrack air mass flow Qs according to subrack power consumption P.Suppose subrack power consumption 200W, subrack air mass flow Qs is (200/ (10 * 1000 * 1.2)) 0.01667m3/s so.
Step S408 calculates rack permission installation subrack maximum quantity N according to air channel flow Q and subrack air mass flow Qs.According to step S404 and S406, calculating rack permission installation subrack maximum quantity N is (0.054/0.01667) 3.24, i.e. it is 3 that the subrack maximum quantity is installed in rack permission.
Step S410 is according to subrack maximum quantity N and subrack and the definite final subrack quantity X that installs of cabinet dimensions.According to the N value calculating subrack of step S04 calculating desired height is installed in rack and is of a size of (3 * 355) 1065mm; Because 1065≤2200mm; So satisfy 3 subrack dimensional requirements be installed in the rack; In final definite rack subrack quantity X being installed is 3, and promptly 3, the installment state of 3 subracks 50 in rack can be referring to Fig. 5.Annotate:, should reduce subrack quantity so to satisfy this condition if calculate subrack desired height size greater than the rack height dimension.
Step S412 confirms subrack installation site in rack according to subrack quantity X is installed.According to designing requirement, subrack is installed in rack from installing successively apart from 3U (133.35mm) high position, rack bottom, and distance is 3U (133.35mm) also between the subrack.3 subracks are installed as shown in Figure 2 in rack.
Step S414 is according to horizontal subrack position design rack wind output channel.Design sealing wind output channel between rack left plate and subrack right side air outlet, the cross section length and width 300mm in air channel * ((600-480)/2) 60mm.Install as shown in Figures 2 and 3 in rack in the sealing air channel, and wherein, in Fig. 3, baffle plate 1,019 one ends link to each other through screw 309 with front apron 1015, and the other end links to each other through locating pin structure 311 with rear board 303.3 subracks are installed as shown in Figure 1 in rack with sealing air exhaust passage (air channel).
As shown in Figure 2, air-duct apparatus is made up of 1015,4 baffle plates 1019 of front apron and side of cabinet plate 301 and rear board 303 in the present embodiment.
Present embodiment air-duct apparatus operation principle is following: all cold airs are access arrangement from the subrack left side; Cold air becomes hot-air through equipment and the heat taken away in the equipment; Hot-air comes out from the subrack right side then; The hot-air of discharging is flowed in the sealing air channel, rack left side, is discharged to the external world through the sealing air channel from enclosure top then, accomplishes the subrack heat radiation.
Present embodiment is through design sealing air channel between rack left side and subrack; The hot-air of from subrack, discharging is pooled in the sealing air channel, is discharged to the external world from enclosure top then, has effectively avoided hot air reflow to the subrack air inlet subrack EAT to be provided; Thereby effectively improve and promote the subrack heat dispersion; Along with the lifting of subrack heat dispersion, can further reduce the subrack rotation speed of the fan, thus the reduction anti noise that can also acquire a certain degree.
Air-duct apparatus in the present embodiment can be avoided the hot air reflow between subrack and the subrack to greatest extent; Thereby significantly reduce subrack equipment EAT, subrack equipment EAT is reduced to 48 ℃, only exceeds 3 ℃ of ambient temperatures; That is to say rack air-duct apparatus through design; The subrack EAT has reduced by 15 ℃, this shows, this novel rack air channel is the elevator system heat dispersion significantly.
Need to prove in addition; Above instance is only explained this sealing air channel design principle and method for designing; The long-pending subrack installation site that reaches of sealing air channel designing wind speed, duct cross-section given in the instance is designed to specific subrack, and above-mentioned parameter should combine the heat radiation matching Design of subrack and rack to select different values to the different size subrack in actual design.
The preferred embodiment that the above is merely the utility model is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within the spirit and principle of the utility model, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the utility model.
Claims (10)
1. an air-duct apparatus is arranged in the rack, wherein, is provided with subrack in the said rack, it is characterized in that,
Said air-duct apparatus comprises an air exhaust passage, and this air exhaust passage is an enclosed construction;
The air intake vent of said air exhaust passage communicates with the air outlet of said subrack;
The air outlet of said air exhaust passage is communicated to the outside of said rack.
2. air-duct apparatus according to claim 1 is characterized in that, the air outlet of said air exhaust passage is positioned at the top of said subrack.
3. air-duct apparatus according to claim 1 is characterized in that, comprising:
Front apron is arranged at the rack front end, is connected with the side panel of a side of said rack;
Side shield is oppositely arranged with said side panel;
Said side shield matches with the base plate of said side panel, said front apron, the rear board of said rack, said rack and the top board of said rack, forms said air exhaust passage.
4. air-duct apparatus according to claim 3 is characterized in that the air intake vent of said air exhaust passage is arranged on the said side shield.
5. air-duct apparatus according to claim 3 is characterized in that the air outlet of said air exhaust passage is arranged on the said top board.
6. air-duct apparatus according to claim 3 is characterized in that,
Said subrack is a plurality of, in said rack, sets gradually from bottom to top;
Between the top board of said subrack and said rack, between the base plate of said subrack and said rack and be provided with baffle plate between each said subrack;
The sidewall of the air-out oral-lateral of a plurality of said subracks matches with a plurality of said baffle plates and forms said side shield jointly.
7. air-duct apparatus according to claim 3 is characterized in that, said side shield is connected through bolt arrangement or locating pin structure with said front apron.
8. according to each described air-duct apparatus of claim 3 to 7, it is characterized in that said side shield links to each other through bolt arrangement or locating pin structure with said rear board.
9. according to each described air-duct apparatus of claim 1 to 7, it is characterized in that the cross section of said air exhaust passage is a rectangle.
10. a rack is characterized in that, comprises each described air-duct apparatus of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204581570U CN202364519U (en) | 2011-11-17 | 2011-11-17 | Air flue device and cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204581570U CN202364519U (en) | 2011-11-17 | 2011-11-17 | Air flue device and cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202364519U true CN202364519U (en) | 2012-08-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204581570U Expired - Fee Related CN202364519U (en) | 2011-11-17 | 2011-11-17 | Air flue device and cabinet |
Country Status (1)
| Country | Link |
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| CN (1) | CN202364519U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440071A (en) * | 2015-07-03 | 2017-02-22 | 曾庆照 | Guiding mechanism of cabinet air conditioner |
| WO2017041434A1 (en) * | 2015-09-07 | 2017-03-16 | 中兴通讯股份有限公司 | Cabinet |
| CN110989802A (en) * | 2019-11-15 | 2020-04-10 | 苏州浪潮智能科技有限公司 | Server inlet air temperature correction method and system based on machine room backflow |
| CN111587051A (en) * | 2020-06-15 | 2020-08-25 | 阳光电源股份有限公司 | Photovoltaic inverter |
| CN111683505A (en) * | 2020-06-18 | 2020-09-18 | 北京无线电测量研究所 | Gas-liquid heat dissipation radar electronic equipment rack |
| CN114355999A (en) * | 2021-12-24 | 2022-04-15 | 交控科技股份有限公司 | Intelligent temperature control cabinet, control method and equipment applied to train |
-
2011
- 2011-11-17 CN CN2011204581570U patent/CN202364519U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440071A (en) * | 2015-07-03 | 2017-02-22 | 曾庆照 | Guiding mechanism of cabinet air conditioner |
| CN106440071B (en) * | 2015-07-03 | 2022-05-13 | 曾庆照 | Guiding mechanism of cabinet air conditioner |
| WO2017041434A1 (en) * | 2015-09-07 | 2017-03-16 | 中兴通讯股份有限公司 | Cabinet |
| CN110989802A (en) * | 2019-11-15 | 2020-04-10 | 苏州浪潮智能科技有限公司 | Server inlet air temperature correction method and system based on machine room backflow |
| CN111587051A (en) * | 2020-06-15 | 2020-08-25 | 阳光电源股份有限公司 | Photovoltaic inverter |
| CN111683505A (en) * | 2020-06-18 | 2020-09-18 | 北京无线电测量研究所 | Gas-liquid heat dissipation radar electronic equipment rack |
| CN111683505B (en) * | 2020-06-18 | 2022-08-16 | 北京无线电测量研究所 | Gas-liquid heat dissipation radar electronic equipment rack |
| CN114355999A (en) * | 2021-12-24 | 2022-04-15 | 交控科技股份有限公司 | Intelligent temperature control cabinet, control method and equipment applied to train |
| CN114355999B (en) * | 2021-12-24 | 2023-05-23 | 交控科技股份有限公司 | Intelligent temperature control cabinet applied to train, control method and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20121117 |