CN102264212B - A kind of cooling system being applied to rack - Google Patents
A kind of cooling system being applied to rack Download PDFInfo
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- CN102264212B CN102264212B CN201010183449.8A CN201010183449A CN102264212B CN 102264212 B CN102264212 B CN 102264212B CN 201010183449 A CN201010183449 A CN 201010183449A CN 102264212 B CN102264212 B CN 102264212B
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Abstract
The invention discloses a kind of cooling system being applied to rack, to improve flexibility, maintainability, the extensibility of cooling system layout and to improve radiating efficiency.This cooling system comprises: rack, the multiple equipment interpolation frames be fixed in rack, be arranged on the heat abstractor of interior of equipment cabinet.Heat abstractor comprises Inner eycle fan inserting box, outer circulation fan inserting box and heat exchanger core body unit, wherein: described heat exchanger core body unit is fixedly mounted on described rack inwall, carries out heat exchange for rack inner circulating air and outer circulation air; Described Inner eycle fan inserting box is arranged on described rack inwall, flows in described heat exchanger core body unit for driving rack inner circulating air; Described outer circulation fan inserting box is arranged on described rack inwall, flows in described heat exchanger core body unit for driving outer circulation air.Adopt technical solution of the present invention, improve the flexibility of cooling system for computer case layout, maintainability, extensibility and improve radiating efficiency.
Description
Technical field
The present invention relates to the heat dissipation equipment field of communication equipment, particularly relate to a kind of cooling system being applied to rack.
Background technology
Along with the construction and development of communication network, for solving the covering of network black spots, reduce cost of investment, emerge a large amount of outdoor base stations, outdoor type communication apparatus, the remote equipments such as power supply unit, under these remote equipments are in severe external environment condition, electronic system itself may not comprise the design of antagonism severe environmental conditions, in order to protect the electronic equipment be under outdoor environment, at present, a large amount of time and efforts is dropped into the heat dissipation problem of these electronic equipments, wherein, the radiating treatment of outdoor communication cabinet has become problem very important at present.
Cooling system is the key of equipment cooling, in the heat dissipation technology of existing outdoor communication cabinet, to the radiating treatment of the outdoor cabinet of larger hear rate, realize mainly through adopting heat exchanger, namely cabinet system is airtight, carries out heat exchange to realize the radiating treatment to equipment within machine cabinet by air in cool ambient air and cabinet system.
At present, in the product on market, the application scheme of heat exchanger on communication cabinet has their own characteristics each, and main Problems existing has:
1, the outdoor cabinet heat-exchange system of cross-current heat exchange pattern, namely the Inner eycle (referring to the gas circulation formed in cabinet system inside) of heat exchanger is orthogonal with the direction of outer circulation air (referring to the gas circulation that the air that the external world enters is formed in cabinet system inside), adopt this kind of radiating mode, make the contact-making surface of inner circulating air and outer circulation air less, in, heat exchange efficiency between outer circulation air is low, system radiating ability is low, if desired reach certain radiating effect and need larger air quantity, therefore, the number of fans needed is more, add the noise of cooling system.
2, heat exchanger is set in enclosure top, namely the heat exchanger carrying out heat exchange for outer circulation air and inner circulating air is arranged on the top of rack, adopt this kind of mode, outer circulating air duct is the space formed between Door of communication apparatus cabinet and back door, or outer circulating air duct is for perpendicular to the space formed between Door of communication apparatus cabinet and back door, be unfavorable for the also cabinet of rack like this or install back-to-back, simultaneously, heat exchanger is arranged on enclosure top and greatly occupies the limited height space of rack, does not make full use of enclosure interior and existing air channel.
3, the heat exchanger of complete machine countercurrent heat exchange pattern is set in cabinet door, namely heat exchanger whole machine installation is in cabinet door, the program is adopted to be by heat exchanger complete machine and the design of rack extension set, major defect is that heat exchanger and rack can not effectively combine, can not space and existing air channel in rational and efficient use rack, the area occupied of heat exchanger is comparatively large, is unfavorable for machine system flexible topology, the maintainability of heat exchanger is poor, and the extensibility of heat radiation is poor.Further, heat exchanger complete machine (comprising fan, core body heat exchange unit, control board) is designed separately by specialized factory, and cost is higher.
Summary of the invention
The invention provides a kind of cooling system being applied to rack, to improve flexibility, maintainability, the extensibility of cooling system layout and to improve radiating efficiency.
A kind of cooling system being applied to rack, comprise rack, be fixed on the multiple equipment interpolation frames in described rack, described rack is provided with Qianmen, this Qianmen is hollow structure, comprise outside door-plate and inner door panel, this cooling system also comprises the heat abstractor being arranged on described interior of equipment cabinet, described heat abstractor comprises Inner eycle fan inserting box, outer circulation fan inserting box and heat exchanger core body unit, at least one fan is placed with in described Inner eycle fan inserting box, at least one fan is placed with in described outer circulation fan inserting box, wherein:
It is inner that described heat exchanger core body unit is fixedly mounted on described Qianmen, carries out heat exchange for rack inner circulating air and outer circulation air;
Described Inner eycle fan inserting box is arranged on described rack inwall top, flows in described heat exchanger core body unit for driving rack inner circulating air;
Described outer circulation fan inserting box is arranged on the lower position of inside, described Qianmen, and in the below of described heat exchanger core body unit, flows in described heat exchanger core body unit for driving outer circulation air;
The bottom of the outside door-plate at described Qianmen is provided with the first air inlet, and this first air inlet is below described heat exchanger core body unit, and described outer circulation air enters into described outer circulation fan inserting box from this first air inlet;
The top of the outside door-plate at described Qianmen is provided with the first air outlet, and this first air outlet is at the top of described heat exchanger core body unit, and described outer circulation air and described inner circulating air are discharged from this first air outlet after carrying out heat exchange;
The top of the inner door panel at described Qianmen is provided with the second air outlet, and this second air outlet is above described heat exchanger core body unit, and described inner circulating air enters into described heat exchanger core body unit from this second air outlet;
The bottom of the inner door panel at described Qianmen is provided with the second air inlet, this second air inlet is in the bottom of described heat exchanger core body unit, and described inner circulating air and described outer circulation air enter into described equipment interpolation frame from this second air inlet after carrying out heat exchange.
The embodiment of the present invention also provides another kind of cooling system, comprise the rack being provided with Qianmen, the multiple equipment interpolation frames be fixed in described rack, be arranged on the heat abstractor of described interior of equipment cabinet, described heat abstractor comprises Inner eycle fan inserting box, at least one fan is placed with in described Inner eycle fan inserting box, wherein:
Described Inner eycle fan inserting box is arranged on described rack inwall, for driving the inner circulating air of described rack;
The outer lower portion at described Qianmen is provided with the first air inlet, and outer circulation air enters into described equipment interpolation frame from this first air inlet;
The outer upper at described Qianmen is provided with the first air outlet, and described inner circulating air is discharged from this rack from this first air outlet;
This cooling system also comprises: the second air inlet, and described second air inlet is arranged on the lower inside at described Qianmen; Second air outlet, described second air outlet is arranged on the bottom of the inner door panel at described Qianmen.
In the cooling system that the embodiment of the present invention provides, on the one hand, multiple part is split into heat abstractor, each part designs separately and installs, improve the flexibility of cooling system layout, maintainability, and multiple parts of heat abstractor are arranged on interior of equipment cabinet respectively, thus abundant Appropriate application enclosure interior; On the other hand, inner circulating air is parallel with the flow direction of outer circulation air oppositely, and contact-making surface is comparatively large, improves heat exchanger effectiveness, reduces air quantity, reduces number of fans, thus reduces the noise of cooling system.
Accompanying drawing explanation
Fig. 1 is the structural representation of the cooling system in the embodiment of the present invention one;
Fig. 2 is the structural representation of the cooling system in the embodiment of the present invention two;
Fig. 3 is the structural representation of the cooling system in the embodiment of the present invention three;
Fig. 4 is the structural representation of the cooling system in the embodiment of the present invention four.
Embodiment
For solving the technical problem that prior art exists, the embodiment of the present invention provides a kind of cooling system being applied to rack, the main theory structure of this cooling system is: heat is handed over device (as heat exchanger) block design and installation, heat-exchange device comprises Inner eycle fan inserting box, outer circulation fan inserting box and heat exchanging core heat exchange unit, to improve the maintainability of cooling system, be conducive to the integrated design of cooling system and cabinet, fan inserting box module and heat exchanger core body unit inside and outside flexible topology simultaneously; Further, Inner eycle fan inserting box, outer circulation fan inserting box are arranged on all respectively the duct space in rack, heat exchanging core cellular installation is inner at Door of communication apparatus cabinet, effectively utilize enclosure interior, save height space, reduce the dimension volume of rack; Regulate the heat-sinking capability of rack (as improved heat-sinking capability by increasing number of fans, reducing number of fans and reducing heat-sinking capability) by the quantity changing inside and outside circulating fan subrack fan, thus realize the extensibility of cooling machine cabinet.
Below in conjunction with Figure of description, technical solution of the present invention is described in detail.
See Fig. 1, be the structural representation of the cooling system in the embodiment of the present invention one, this cooling system comprises: rack, the multiple equipment interpolation frames 18 be fixed in this rack, also comprise the heat abstractor being arranged on interior of equipment cabinet.Heat abstractor comprises Inner eycle fan inserting box 17 and (is placed with at least one fan in Inner eycle fan inserting box 17, the quantity of fan sets as required), outer circulation fan inserting box 12 (is placed with at least one fan in outer circulation fan inserting box 12, the quantity of fan sets as required) and heat exchanger core body unit 14, wherein:
Heat exchanger core body unit 14 is fixedly mounted on rack inwall, carries out heat exchange for rack inner circulating air and outer circulation air;
Inner eycle fan inserting box 17 is arranged on rack inwall, flows in heat exchanger core body unit 14 for driving rack inner circulating air;
Outer circulation fan inserting box 12 is arranged on rack inwall, flows in heat exchanger core body unit 14 for driving outer circulation air.
Rack is provided with Qianmen 16 and back door 10, and wherein Qianmen 16 is hollow structure, comprises outside door-plate 161 and inner door panel 162.
Preferably, heat exchanger core body unit 14 is fixedly mounted on the inside at Qianmen 16.
Preferably, Inner eycle fan inserting box 17 is arranged on rack inwall top; The top of the inner door panel 162 of Door of communication apparatus cabinet 16 is provided with air outlet 19, and air outlet 19 is above heat exchanger core body unit 14, and inner circulating air enters into heat exchanger core body unit 14 from this air outlet 19.
Preferably, outer circulation fan inserting box 12 is arranged on the bottom of inside, Qianmen 16, and in the below of heat exchanger core body unit 14; The bottom of the outside door-plate 161 of Door of communication apparatus cabinet 16 is provided with air inlet 11, and the below of this air inlet 11 circulating fan subrack 12 outside, outer circulation air enters into outer circulation fan inserting box 12 by this air inlet 11.
Preferably, the top of the outside door-plate of Door of communication apparatus cabinet 16 is provided with air outlet 15, and air outlet 15 is at the top of heat exchanger core body unit 14, and outer circulation air and inner circulating air discharge rack from this air outlet 15 after carrying out heat exchange.
Preferably, the bottom of the inner door panel of Door of communication apparatus cabinet 16 is provided with air inlet 13, and this air inlet 13 is in the bottom of heat exchanger core body unit 14, and inner circulating air and outer circulation air enter into multiple equipment interpolation frame 18 from this air inlet 13 after carrying out heat exchange.
Equipment interpolation frame 18 and rack back door 10 form interior air channel II, and equipment interpolation frame 18 forms interior air channel I with the inner door panel 162 of Door of communication apparatus cabinet 16.
Preferably, in order to better dust-proof, in order to avoid dust enters into equipment, be also provided with Air Filter at the air inlet 11 at the Qianmen 16 of rack.For further improving dust-proof effect, above-mentioned air inlet 13 also can arrange Air Filter.
Preferably, for preventing because humidity is too heavy and cause internal unit 0 to produce corroding, in the embodiment of the present invention, be provided with the water fender of waterproof construction at the bottom position of Door of communication apparatus cabinet 16 inside, this water fender is arranged on air inlet 11 side by equipment interpolation frame 18.
Cooling system in the embodiment of the present invention, Inner eycle subrack 17 is not limited in and is arranged on rack inwall top, the optional position in the duct space of interior of equipment cabinet can also be arranged on, as space, air channel II (as being arranged on rack back door 10) can be arranged on, the top of heat exchanger core body unit 14 also can be arranged on.Outer circulation fan inserting box 12 is not limited in and is arranged on Door of communication apparatus cabinet 16, can also be arranged on the bottom of heat exchanger core body unit 34.
The principle adopting cooling system as shown in Figure 1 to dispel the heat to communication apparatus is as follows:
Outer circulation air flow: outer circulation air (follow-uply to represent with cold air, cold wind is represented with dotted arrow in figure) enter from the air inlet 11 of Door of communication apparatus cabinet 16, and enter heat exchanger core body unit 14 after being cooled further by the multiple fans in outer circulation fan inserting box 12; The inner circulating air of cold wind and communication apparatus inside (follow-up represent with hot blast, the solid arrow in figure represents hot blast) carries out heat exchange in heat exchanger core body unit 14; The air outlet 15 of cold wind by Door of communication apparatus cabinet 16 after carrying out heat exchange with hot blast is discharged.
Inner circulating air flows to: the air flowing of the multiple fans drive interior of equipment cabinets in Inner eycle fan inserting box 17; Hot blast in rack enters into heat exchanger core body unit 14 by the air outlet 19 of Door of communication apparatus cabinet 16; Hot blast and the extraneous cold wind entered enter into equipment interpolation frame 18 by the air inlet 13 of Door of communication apparatus cabinet 16 carry out heat exchange in heat exchanger core body unit 14 after; Hot blast flows in air channel I, after dispelling the heat, flows in Inner eycle fan inserting box 17, to recycle by equipment interpolation frame 18, air channel II to the equipment in equipment interpolation frame 18.
In above-mentioned principle, when cold wind and hot blast carry out heat exchange in heat exchanger core body unit 34, cold wind does not mix with hot blast.
See Fig. 2, be the structural representation of the cooling system in the embodiment of the present invention two, this cooling system comprises: be provided with the rack at Qianmen 26 and back door 20, be fixed on the multiple equipment interpolation frame 28 in this rack and be arranged on the heat abstractor of interior of equipment cabinet; Qianmen 26 is hollow structure, comprises outside door-plate 261 and inner door panel 262.Heat abstractor comprises Inner eycle fan inserting box 27 (be placed with at least one fan in Inner eycle fan inserting box 27, number of fans is arranged as required), wherein:
Inner eycle fan inserting box 27 is arranged on rack inwall, flows for driving the inner circulating air of rack;
Preferably, Inner eycle fan inserting box 27 is arranged on rack inwall top;
The bottom of the outside door-plate 261 of Door of communication apparatus cabinet 26 is provided with air inlet 21, and outer circulation air enters into equipment interpolation frame 28 from this air inlet 21;
The top of the outside door-plate 261 of Door of communication apparatus cabinet 26 is provided with air outlet 45, and inner circulating air discharges rack from this air outlet 45.
Equipment interpolation frame 28 and rack back door 20 form interior air channel II, and equipment interpolation frame 28 and Door of communication apparatus cabinet 26 form interior air channel I.
Preferably, in order to better dust-proof, in order to avoid the dust in the external world enters into the equipment in rack, also Air Filter can be provided with at the air inlet 21 stated in Door of communication apparatus cabinet 26.For further dust-proof, also can Air Filter be set at above-mentioned air inlet 22.
Preferably, for prevent due to humidity too heavy and cause internal unit produce corrode, in the embodiment of the present invention, be provided with the water fender 23 of waterproof construction at the lower position of Door of communication apparatus cabinet 26 inside, this water fender 23 is arranged on air inlet 21 and and seals between 22.For further waterproof, be also provided with water fender 24 at the upper position of the inside of above-mentioned Door of communication apparatus cabinet 26, this water fender 24 is arranged between air outlet 25 and air outlet 29.
The principle adopting cooling system as shown in Figure 2 to dispel the heat to communication apparatus is as follows:
After the fan of inner circulating air (follow-up represent with hot blast) in Inner eycle subrack 27 drives, discharge from air outlet 25 through air outlet 29.
Outer circulation air (follow-up represent with cold wind, represent cold wind in figure with dotted arrow) enters from the air inlet 21 of Door of communication apparatus cabinet 26, after water fender 23, enters in multiple equipment interpolation frame 28 by air inlet 22; Cold wind dispels the heat to the equipment in the plurality of equipment interpolation frame 28, and after heat radiation, cold wind enters into air channel II by the backboard of equipment interpolation frame 28; This cold wind is exported by air outlet 29 by after Inner eycle fan frame 27, and discharges rack by air outlet 25 after water fender 24.
Preferably, for external circulating air cools further, to improve the efficiency of dispelling the heat to equipment, arrange fan inserting box (arranging at least one fan in this fan inserting box) in the bottom at above-mentioned Qianmen 26, this fan inserting box is between air inlet 21 and air inlet 22.
Preferably, in the embodiment of the present invention, by silicone rubber seal between cabinet door and cabinet, to realize the IP protection of complete machine.
Preferably, for accelerating the air circulation flow of interior of equipment cabinet, in cooling system, fan inserting box is provided with respectively in all or part of equipment interpolation frame of above-mentioned cooling system, obtain the cooling system structure schematic diagram of embodiment three and embodiment four, corresponding diagram 3 and the system configuration shown in Fig. 4 respectively, and in fan inserting box, be placed with multiple fans of quantity set, move to drive rack internal air stream.
In the embodiment of the present invention, the air outlet being arranged on rack outer upper is not limited in and is arranged on Qianmen, and can also be arranged on outside enclosure top or rack back door, implementation is varied, can arrange flexibly as required.
In technical solution of the present invention, due to heat exchanger heat radiation and the mode of direct-ventilation heat dissipating, cooling system corresponding to it, both interior of equipment cabinet structures are the same, difference is that the structure of Door of communication apparatus cabinet is inconsistent, therefore, heat exchanger heat radiation (cooling system as shown in Figure 1,3) in the embodiment of the present invention and direct-ventilation heat dissipating (cooling system as shown in Figure 2,4) are by changing Door of communication apparatus cabinet to realize the switching of two kinds of radiating modes.
The cooling system adopting the embodiment of the present invention to provide, can bring following beneficial effect:
(1) heat exchanger complete machine is split into Inner eycle subrack module, outer circulation subrack module and heat exchanger core body unit, therefore, be conducive to the maintainability of later stage to radiator structure, simultaneously, heat exchanger is conducive to after splitting into module being combined with integration design with cabinet, the inside and outside fan inserting box module of flexible topology and heat exchanger core body unit.
(2) radiator structure and cabinet body structure integration are combined design, inside and outside circulating fan subrack is arranged on the duct space in rack, effectively can utilizes enclosure interior, save height space, reduce the dimension volume of rack.
(3) inside and outside fan inserting box modularized design improves the maintainability of fan, the heat-sinking capability of rack is adjusted by the number of fans changed in inside and outside fan inserting box, realize the extensibility of cooling machine cabinet, as improved the heat-sinking capability of rack by increasing number of fans, reduce the heat-sinking capability of rack by reducing number of fans.
(4) in the embodiment of the present invention, just carry out improving to realize to Door of communication apparatus cabinet for different radiating modes (as heat exchanger heat radiation and direct-ventilation heat dissipating), therefore, the switching of heat exchanger heat radiation and direct-ventilation heat dissipating mode just can be realized by changing Qianmen.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (13)
1. one kind is applied to the cooling system of rack, comprise rack, the multiple equipment interpolation frames be fixed in described rack, it is characterized in that, described rack is provided with Qianmen, this Qianmen is hollow structure, comprise outside door-plate and inner door panel, this cooling system also comprises: the heat abstractor being arranged on described interior of equipment cabinet, described heat abstractor comprises Inner eycle fan inserting box, outer circulation fan inserting box and heat exchanger core body unit, at least one fan is placed with in described Inner eycle fan inserting box, at least one fan is placed with in described outer circulation fan inserting box, wherein:
It is inner that described heat exchanger core body unit is fixedly mounted on described Qianmen, carries out heat exchange for rack inner circulating air and outer circulation air;
Described Inner eycle fan inserting box is arranged on described rack inwall top, flows in described heat exchanger core body unit for driving rack inner circulating air;
Described outer circulation fan inserting box is arranged on the lower position of inside, described Qianmen, and in the below of described heat exchanger core body unit, flows in described heat exchanger core body unit for driving outer circulation air;
The bottom of the outside door-plate at described Qianmen is provided with the first air inlet, and this first air inlet is below described heat exchanger core body unit, and described outer circulation air enters into described outer circulation fan inserting box from this first air inlet;
The top of the outside door-plate at described Qianmen is provided with the first air outlet, and this first air outlet is at the top of described heat exchanger core body unit, and described outer circulation air and described inner circulating air are discharged from this first air outlet after carrying out heat exchange;
The top of the inner door panel at described Qianmen is provided with the second air outlet, and this second air outlet is above described heat exchanger core body unit, and described inner circulating air enters into described heat exchanger core body unit from this second air outlet;
The bottom of the inner door panel at described Qianmen is provided with the second air inlet, this second air inlet is in the bottom of described heat exchanger core body unit, and described inner circulating air and described outer circulation air enter into described equipment interpolation frame from this second air inlet after carrying out heat exchange.
2. cooling system as claimed in claim 1, it is characterized in that, the top of the part or all of equipment interpolation frame in described multiple equipment interpolation frame is provided with fan inserting box, places at least one fan in described fan inserting box.
3. cooling system as claimed in claim 1, is characterized in that, do not mix when described inner circulating air carries out heat exchange with described outer circulation air in described heat exchanger core body unit.
4. cooling system as claimed in claim 1, it is characterized in that, described first air inlet is provided with the first Air Filter.
5. cooling system as claimed in claim 4, it is characterized in that, described second air inlet is provided with the second Air Filter.
6. one kind is applied to the cooling system of rack, comprise the rack being provided with Qianmen and the multiple equipment interpolation frames be fixed in described rack, described Qianmen is hollow structure, comprise outside door-plate and inner door panel, it is characterized in that, also comprise the heat abstractor being arranged on described interior of equipment cabinet, described heat abstractor comprises Inner eycle fan inserting box, at least one fan is placed with in described Inner eycle fan inserting box, wherein:
Described Inner eycle fan inserting box is arranged on described rack inwall, for driving the inner circulating air of described rack;
The bottom of the outside door-plate at described Qianmen is provided with the first air inlet, and outer circulation air enters into described equipment interpolation frame from this first air inlet;
The top of the outside door-plate at described Qianmen is provided with the first air outlet, and described inner circulating air is discharged from this rack from this first air outlet;
This cooling system also comprises: the second air inlet, and described second air inlet is arranged on the lower inside at described Qianmen; Second air outlet, described second air outlet is arranged on the bottom of the inner door panel at described Qianmen.
7. cooling system as claimed in claim 6, it is characterized in that, described Inner eycle subrack is arranged on described rack inwall top.
8. system as claimed in claims 6 or 7, it is characterized in that, the top of the part or all of equipment interpolation frame in described multiple equipment interpolation frame is provided with fan inserting box, places at least one fan in described fan inserting box.
9. system as claimed in claim 8, it is characterized in that, described first air inlet is provided with the first Air Filter.
10. system as claimed in claim 8, it is characterized in that, described outer circulation air enters into described equipment interpolation frame by this second air inlet after described first Air Filter.
11. systems as claimed in claim 10, it is characterized in that, described second air inlet is provided with the second Air Filter.
12. systems as claimed in claim 11, is characterized in that, the bottom position of inside, described Qianmen is provided with the first water fender of waterproof construction, and described first water fender is between described first air inlet and described second air inlet.
13. systems as claimed in claim 12, is characterized in that, the tip position of inside, described Qianmen is provided with the second water fender of waterproof construction, and described second water fender is between described first air outlet and described second air outlet.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201010183449.8A CN102264212B (en) | 2010-05-24 | 2010-05-24 | A kind of cooling system being applied to rack |
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| CN201010183449.8A CN102264212B (en) | 2010-05-24 | 2010-05-24 | A kind of cooling system being applied to rack |
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| CN102264212B true CN102264212B (en) | 2015-09-16 |
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