CN103179822B - Intelligent constant-temperature air-conditioning electromagnetic shielding rack - Google Patents
Intelligent constant-temperature air-conditioning electromagnetic shielding rack Download PDFInfo
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- CN103179822B CN103179822B CN201310077820.6A CN201310077820A CN103179822B CN 103179822 B CN103179822 B CN 103179822B CN 201310077820 A CN201310077820 A CN 201310077820A CN 103179822 B CN103179822 B CN 103179822B
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Abstract
The invention discloses a kind of intelligent constant-temperature air-conditioning electromagnetic shielding rack, comprise Leng Cang, hot storehouse and refrigerating system, described air-conditioning refrigeration system comprises air-conditioning, air-conditioning cold air port, air-conditioning Inner eycle mouth, air conditioner temperature controller and air-conditioning stabilized voltage power supply, described air-conditioning cold air port is communicated with described cold storehouse, and described air-conditioning Inner eycle mouth is communicated with described hot storehouse; Described air conditioner temperature controller, for setting the internal temperature of described rack, keeps the constant of the internal temperature of described rack, and described air-conditioning stabilized voltage power supply is used for described air-conditioning stable power-supplying.Intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention has good shielding properties, has good radiating effect and anti-lightning strike performance simultaneously.
Description
Technical field
The present invention relates to a kind of electromagnetic shielding rack, specifically, relate to a kind of intelligent constant-temperature air-conditioning electromagnetic shielding rack.
Background technology
Electromagnetic shielding rack can be used for placing computer, the webserver and communication electronic device etc., electromagnetic wave can be stopped to personal injury, effective suppression electromagnetic information leakage and prevent from outside strong electromagnetic from harassing affecting equipment and normally work, be usually used in government bodies, bank, security, army, the industry that the concerning security matters level requirements of scientific research etc. is higher.The rack that seal is better, its capability of electromagnetic shielding is also better; But the seal due to rack makes equipment not easy heat radiation.At present, conventional cooling measure is in cabinet walls, arrange the waveguide window with ventilation function, makes the air circulation inside and outside rack, thus takes away heat.
Chinese invention patent application (publication number: CN102573418) discloses a kind of closed heat exchange type electromagnetic shielding cabinet.This closed heat exchange type electromagnetic shielding cabinet inside is provided with cold wind inner looping, hot blast inner looping and heat exchanger.Heat exchanger is connected with hot blast inner looping with cold wind inner looping respectively.Heat exchanger is provided with fan.Realize forcing air flowing by fan, ensure that refrigerating capacity meets instructions for use.But the refrigeration of fan is limited, be unfavorable for the heat radiation of relatively high power equipment, also cannot detect the temperature of interior of equipment cabinet in real time, thus realize the temperature constant of interior of equipment cabinet.In addition, this closed heat exchange type electromagnetic shielding cabinet does not arrange anti-lightning strike device, is subject to thunderbolt, thus causes the damage of equipment.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of intelligent constant-temperature air-conditioning electromagnetic shielding rack, has good shielding properties, has good radiating effect and anti-lightning strike performance simultaneously.
Technical scheme of the present invention is as follows:
A kind of intelligent constant-temperature air-conditioning electromagnetic shielding rack, comprise Leng Cang, hot storehouse and refrigerating system, described air-conditioning refrigeration system comprises air-conditioning, air-conditioning cold air port, air-conditioning Inner eycle mouth, air conditioner temperature controller and air-conditioning stabilized voltage power supply, described air-conditioning cold air port is communicated with described cold storehouse, and described air-conditioning Inner eycle mouth is communicated with described hot storehouse; Described air conditioner temperature controller, for setting the internal temperature of described rack, keeps the constant of the internal temperature of described rack, and described air-conditioning stabilized voltage power supply is used for described air-conditioning stable power-supplying.
Further: described air-conditioning is arranged in air-conditioning shielding box, described air-conditioning cold air port is arranged on the bottom of described air-conditioning shielding box, described air-conditioning shielding box comprises at least one first air channel cowling panel, described first air channel cowling panel is inclined plane, the air outlet of described air-conditioning is facing to described first air channel cowling panel, the angle that the bottom surface of described first air channel cowling panel and described air-conditioning shielding box is formed is acute angle, for changing wind direction, reduce the generation at described air-conditioning cold air port place condensed water, the below of described first air channel cowling panel is provided with the second air channel cowling panel; The top of described air-conditioning is provided with groove, and air inlet is arranged on described groove, and described air-conditioning shielding box is provided with condensation water collection mouth.
Further: also to comprise lightning surge protection module, described lightning surge protection module for the protection of the equipment of the inside of described rack from the destruction of thunder and lightning.
Further: described air-conditioning cold air port and described air-conditioning Inner eycle mouth are all waveguide window, the waveguide window surface in described air-conditioning cold air port is provided with downward-sloping blinds, and the waveguide window of described air-conditioning Inner eycle mouth is outside equipped with downward-sloping guide plate.
Further: the outlet pipe of described air-conditioning refrigeration system is arranged on the left side of the inside of the shell of described rack, described outlet pipe is transparent outlet pipe, and effluent pipe mouth is arranged on below the left side of described shell.
Further: described interior of equipment cabinet is provided with traffic filter, power-supply filter and waveguide, be separated with space between described traffic filter and described power-supply filter, described waveguide be provided with pipe lid.
Further: the left inside sidewall of described shell and right inside sidewall are respectively fixedly installed a physical isolation pipe, for wrapping up refrigerating system power line and device power supply (DPS) line.
Further: the below below of described shell is provided with serial ports and earth terminal, and described serial ports is for connecting external equipment.
Further: the inwall of described shell, the Qianmen of described rack and the inner surface at back door are all provided with acoustical cotton.
Further: described Qianmen and back door are all provided with a shielding construction, described door shielding construction comprises reed, and described reed and front doorframe and rear door frame crimping, described front doorframe and described rear door frame are provided with shielding gasket.
Technique effect of the present invention is as follows:
1, the screening effectiveness of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention meets the B level requirement of GJB5792-2006.
2, air-conditioning refrigeration system is provided with in intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention, can arrange and automatic regulating machine cabinet internal temperature, in real time remote monitoring is carried out to state of temperature in rack, keep temperature constant in rack, and design temperature alarm can be exceeded at machine in-cabinet temperature.
3, lightning surge protection module is set in intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention, protects the destruction of equipment from thunder and lightning of interior of equipment cabinet.
4, be provided with insulation acoustic damping materials in intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention, the equipment noise in rack can be made to reduce more than 20db, meanwhile, possess the effect of fire-retardant heat insulation.
5, intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention can connect computer, realizes remote monitoring, and a computer can monitor simultaneously and control the temperature in 101 these racks.
Accompanying drawing explanation
Fig. 1 is the front view of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 2 is the rearview of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 3 is the left view of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 4 is the right view of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 5 is the schematic diagram of door shielding construction of the present invention;
Fig. 6 is the structural representation of the air-conditioning of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 7 is the structural representation of the air-conditioning shielding box of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 8 is the structural representation of the lower plate of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention;
Fig. 9 is the structural representation of the physical isolation pipe of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention.
Embodiment
Below with reference to the accompanying drawings and preferred embodiment, the present invention is described in detail.
As Figure 1-4, the front view of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention, rearview, left view and right view is respectively.
The structure of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention comprises upper plate, lower plate 18, Qianmen 4, back door 5, shell 1, division board 7, frame, refrigerating system and lightning surge protection module 6.Upper plate is fixedly installed on above frame.Lower plate 18 is fixedly installed on below frame.The front side of shell 1 and rear side are respectively arranged with front doorframe 28 and rear door frame.Qianmen 4 is arranged on front doorframe 28 place.Back door 5 is arranged on rear door frame place.In the present invention one preferred embodiment, front doorframe 28 and rear door frame can be two doorframes be arranged above and below.Be convenient to industrial processes like this.Correspondingly, Qianmen 4 and back door 5 also can be two doors be arranged above and below.As shown in Figure 5, be the schematic diagram of door shielding construction of the present invention.Qianmen 4 and back door 5 are all provided with a shielding construction.Door shielding construction comprises reed 27.Reed 27 and front doorframe 28 and rear door frame crimping.Front doorframe 28 and rear door frame are provided with shielding gasket.When closing Qianmen 4 and back door 5, reed 27 and shielding gasket can make Qianmen 4 and back door 5 closely be crimped on respectively on front doorframe 28 and rear door frame, make obturation effect good, reach good effectiveness.Qianmen 4 and back door 5 can be provided with force-increasing lock 10.This force-increasing lock 10 is prior art, can be the application for a patent for invention of CN101591997 with reference to publication number.The left side of frame and right side are fixed on the inwall of shell 1.The inner surface at the inwall of shell 1, Qianmen 4 and back door 5 is all provided with acoustical cotton 20.In the present invention one preferred embodiment, this acoustical cotton 20 is PU crest acoustical cotton.PU crest acoustical cotton surface has the structure of crest and trough.This acoustical cotton 20 can absorb noise, makes equipment within machine cabinet noise reduction >=20db.This acoustical cotton 20 also possesses the effect of heat-insulating and fire-proof.The inwall of the front side of frame and rear side and shell leaves space.Division board 7 is fixed on before frame.Intelligent constant-temperature air conditioner electric magnetic screen interior of equipment cabinet is separated into Leng Cang and Re Cang by division board 7.In the present invention one preferred embodiment, division board 7 is aluminum division board.Division board 7 generally adopts the rectangular division board of different size to be spliced, conventional is adopt highly for the division board of 1U and 2U each one and be highly 3U division board several.Adopt this collocation can avoid producing gap, thus Leng Cang and the sealing of hot storehouse are separated.The volume in the volume general specific heat storehouse in cold storehouse is little.Cold storehouse is less, the overall cooling capacity in cold storehouse is better, the air-out speed in the air-conditioning cold air port 8 in cold storehouse and refrigerating capacity can also be made to reduce, avoid accumulating in rack the equipment in rack of damaging and rack itself because air-conditioning refrigeration system refrigeration produces a large amount of condensed waters.But the volume ratio in Leng Cang and hot storehouse has a scope, can set according to the size of rack.
As shown in Figure 6 and Figure 7, be the air-conditioning of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention and the structural representation of air-conditioning shielding box respectively.
Air-conditioning refrigeration system is arranged on above upper plate.Refrigerating system comprises air-conditioning 21, air-conditioning cold air port 8, air-conditioning Inner eycle mouth 9, air conditioner temperature controller 2 and air-conditioning stabilized voltage power supply 3.Air-conditioning 21 is arranged in an air-conditioning shielding box 22.Air-conditioning cold air port 8 is arranged on the bottom of air-conditioning shielding box 22.The top of air-conditioning 21 is provided with groove 25.Air inlet 24 is arranged on groove 25 place.Air-conditioning shielding box 22 comprises at least one first air channel cowling panel 29.First air channel cowling panel 29 is inclined plane, for changing wind direction, reduces the generation at air-conditioning cold air port 8 place condensed water.The angle that this first air channel cowling panel 29 and bottom surface are formed is acute angle.The air outlet 23 of air-conditioning 21 is facing to the first air channel cowling panel 29.If the air outlet of air-conditioning 21 is in different sides, any one side of air-conditioning shielding box 22 corresponding with it can be designed to the first air channel cowling panel tilted, and to realize changing wind direction, reduces the function of the generation at air-conditioning cold air port 8 place condensed water.One second air channel cowling panel 26 is provided with on the downside of the first air channel cowling panel 29 of air-conditioning shielding box 22.Air-conditioning shielding box 22 is provided with condensation water collection mouth, for collecting condensed water.After hot blast enters air-conditioning 21 from air inlet 24, the compression through air-conditioning 21 becomes cold wind, blows out from air outlet 23.After cold wind runs into the first air channel cowling panel 29, refraction changes wind direction.Part cold wind directly blows out from air-conditioning cold air port 8; Part cold wind reflects through the first air channel cowling panel 29, and the cold wind after refraction blows on the second air channel cowling panel 26, reflects after change wind direction, blow out from air-conditioning cold air port 8 through the second air channel cowling panel 26.It is that the cold wind blown out by the first air channel cowling panel 29 and the second air channel cowling panel 26 and air-conditioning 21 is contacted and produces altitude temperature difference effect that cool solidifying water of the present invention eliminates principle, makes the first air channel cowling panel 29 and the second air channel cowling panel 26 are coated with Hydrophilic ionic layer to eliminate condensed water.Cold wind is through superrefraction after blowing out from air outlet 23, and its energy and wind speed all decrease, and make when cold wind blows out from air-conditioning cold air port 8, the condensed water of generation greatly reduces, thus can reduce the destruction of condensed water to other assemblies.Air-conditioning cold air port 8 is communicated with cold storehouse.Air-conditioning cold air port 8 is waveguide window.This waveguide window plays the effect of electromagnetic shielding.Waveguide window surface is provided with downward-sloping blinds, and the length of every a slice of this blinds is longer, can play the effect reducing wind speed.What blinds employing was downward-sloping arranges the cold wind guiding acoustical cotton 20 that can blow out from air-conditioning cold air port 8, instead of on the inwall of guiding shell 1, thus the condensed water avoided due to refrigeration generation accumulates on the inwall of shell 1.Acoustical cotton 20 self has the effect of absorption condensation water, and has the structure of crest and trough due to acoustical cotton 20, cold wind can be made repeatedly to reflect to change wind direction in the structure of crest and trough, and slow down wind speed, cold wind be dispersed, reduces the generation of condensed water.Air-conditioning Inner eycle mouth 9 is communicated with hot storehouse.Air-conditioning Inner eycle mouth 9 is also waveguide window.This waveguide window plays the effect of electromagnetic shielding.Waveguide window is outside equipped with downward-sloping guide plate.This guide plate, for controlling wind direction, makes hot blast can enter air-conditioning Inner eycle mouth 9.Air conditioner temperature controller 2 is arranged on the top of shell 1, for setting the temperature of interior of equipment cabinet, keeps the constant of interior of equipment cabinet temperature; And can by arranging Displaying Meter, the temperature of display interior of equipment cabinet in real time.Air-conditioning stabilized voltage power supply 3 is arranged on the upper right side of intelligent constant-temperature air-conditioning electromagnetic shielding rack, for air-conditioning 21 stable power-supplying, avoids generation accident.The circuit 3 of air conditioner temperature controller 2 and air-conditioning stabilized voltage power supply is independent of one another, does not interfere with each other; And spaced apart between the two, mutual electromagnetic interference when avoiding work.The outlet pipe of this air-conditioning refrigeration system is arranged on the left side of the inside of the shell 1 of rack, and outlet pipe is transparent outlet pipe, convenient situation about checking in outlet pipe, the place of cleaning blocking in time.Effluent pipe mouth 13 is arranged on below the left side of shell 1.By this air-conditioning refrigeration system, the temperature in rack can be made to remain on 25 DEG C ~ 35 DEG C.
Lightning surge protection module 6 from the destruction of thunder and lightning, is arranged on the bottom of shell 1 for the protection of the equipment of interior of equipment cabinet, makes lightning surge protect the close together on module 6 and ground.The electric current of lightning surge protection module 6 abrupt release is comparatively large, and by ground wire grounded, therefore lightning surge protection module 6 is more near better with the distance on ground.In addition, the circuit of lightning surge protection module 6 is independent, is not subject to the impact of other assemblies or equipment.Conveniently overhaul, lightning surge can also be protected module 6 to be set to the form that can extract out, during maintenance, only lightning surge need be protected module 6 extract out from rack.In addition, conveniently observe, transparent visual window can be set on shell 1, make user be convenient to observation lightning surge protection module 6 and whether be in normal operating conditions.The structure of lightning protected module 6 of the present invention is prior art.By arranging this lightning surge protection module 6, lightning surge protection can be made to meet IEC61643-1 " low pressure surge protective device " D grade standard.
As shown in FIG. 8 and 9, be the lower plate of intelligent constant-temperature air-conditioning electromagnetic shielding rack of the present invention and the structural representation of physical isolation pipe.
The lower plate 18 of interior of equipment cabinet is provided with traffic filter 15, power-supply filter 16 and waveguide 17.Be separated with space between traffic filter 15 and power-supply filter 16, avoid both mutually to produce electromagnetic interference.Waveguide 17 is provided with pipe lid, dust can be avoided to enter in waveguide 17.In the present invention one preferred embodiment, each 10 of the waveguide 17 of internal diameter to be Φ 13mm and internal diameter be Φ 8mm.The left inside sidewall of shell 1 and right inside sidewall are respectively fixedly installed a physical isolation pipe 19, for wrapping up power line 21, reduce the electromagnetic radiation of power line 21, and both can be avoided mutually to produce electromagnetic interference.Power line 21 comprises refrigerating system power line and device power supply (DPS) line.
The below below of shell 1 is provided with serial ports 12 and earth terminal 11.This serial ports 12 is for connecting external equipment, and such as, remote monitoring computer, can realize the remote monitoring to this rack.In the present invention one preferred embodiment, this serial ports 12 is RS485 interface, and a computer can monitor simultaneously and control the temperature in 101 these racks.This rack can also arrange overtemperature alarm mechanism, carries out sound and light alarm by remote monitoring computer to overtemperature rack.
Castor 14 can also be provided with, convenient this rack mobile below lower plate 18.In addition, according to actual needs, in this rack, some pallets can be set, rack be divided into the space of different size, hold the instrument of different size.
When using this rack, air conditioner refrigerating, blows out cold wind from air-conditioning cold air port 8, and cold wind flows downward in cold storehouse, and the devices exchange heat in rack, cold wind to become after hot blast in hot storehouse on flowing.Hot blast enters air-conditioning Inner eycle mouth 9, and then discharges rack, thus makes the equipment cooling of interior of equipment cabinet and inside thereof, keeps temperature constant in rack.
Above-described embodiment, just the specific embodiment of the invention is several, and the usual change that those skilled in the art carries out within the scope of technical solution of the present invention and replacement all should be included in protection scope of the present invention.
Claims (9)
1. an intelligent constant-temperature air-conditioning electromagnetic shielding rack, comprise Leng Cang and Re Cang, it is characterized in that: also comprise refrigerating system, described refrigerating system comprises air-conditioning, air-conditioning cold air port, air-conditioning Inner eycle mouth, air conditioner temperature controller and air-conditioning stabilized voltage power supply, described air-conditioning cold air port is communicated with described cold storehouse, and described air-conditioning Inner eycle mouth is communicated with described hot storehouse; Described air conditioner temperature controller, for setting the internal temperature of described rack, keeps the constant of the internal temperature of described rack, and described air-conditioning stabilized voltage power supply is used for described air-conditioning stable power-supplying; Described air-conditioning is arranged in air-conditioning shielding box, described air-conditioning cold air port is arranged on the bottom of described air-conditioning shielding box, described air-conditioning shielding box comprises at least one first air channel cowling panel, described first air channel cowling panel is inclined plane, the air outlet of air-conditioning is facing to described first air channel cowling panel, the angle that the bottom surface of described first air channel cowling panel and described air-conditioning shielding box is formed is acute angle, for changing wind direction, reduce the generation at described air-conditioning cold air port place condensed water, the below of described first air channel cowling panel is provided with the second air channel cowling panel; The top of described air-conditioning is provided with groove, and air inlet is arranged on described groove, and described air-conditioning shielding box is provided with condensation water collection mouth.
2. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, is characterized in that: also comprise lightning surge protection module, described lightning surge protection module for the protection of the equipment of the inside of described rack from the destruction of thunder and lightning.
3. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, it is characterized in that: described air-conditioning cold air port and described air-conditioning Inner eycle mouth are all waveguide window, the waveguide window surface in described air-conditioning cold air port is provided with downward-sloping blinds, and the waveguide window of described air-conditioning Inner eycle mouth is outside equipped with downward-sloping guide plate.
4. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, it is characterized in that: the outlet pipe of described refrigerating system is arranged on the left side of the inside of the shell of described rack, described outlet pipe is transparent outlet pipe, and effluent pipe mouth is arranged on below the left side of described shell.
5. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, it is characterized in that: described interior of equipment cabinet is provided with traffic filter, power-supply filter and waveguide, be separated with space between described traffic filter and described power-supply filter, described waveguide be provided with pipe lid.
6. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, is characterized in that: the left inside sidewall of the shell of described rack and right inside sidewall are respectively fixedly installed a physical isolation pipe, for wrapping up refrigerating system power line and device power supply (DPS) line.
7. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, is characterized in that: the below below of the shell of described rack is provided with serial ports and earth terminal, and described serial ports is for connecting external equipment.
8. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 1, is characterized in that: the inwall of the shell of described rack, the Qianmen of described rack and the inner surface at back door are all provided with acoustical cotton.
9. intelligent constant-temperature air-conditioning electromagnetic shielding rack as claimed in claim 8, it is characterized in that: described Qianmen and back door are all provided with a shielding construction, described door shielding construction comprises reed, described reed and front doorframe and rear door frame crimping, described front doorframe and described rear door frame are provided with shielding gasket.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310077820.6A CN103179822B (en) | 2013-03-12 | 2013-03-12 | Intelligent constant-temperature air-conditioning electromagnetic shielding rack |
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| CN201310077820.6A CN103179822B (en) | 2013-03-12 | 2013-03-12 | Intelligent constant-temperature air-conditioning electromagnetic shielding rack |
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| CN103179822B true CN103179822B (en) | 2015-12-02 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107346926A (en) * | 2016-05-04 | 2017-11-14 | 韩磊 | The shielding external electromagnetic pulse attack system of electric vehicle motor controller |
| CN106163249A (en) * | 2016-08-31 | 2016-11-23 | 苏州广能电子科技有限公司 | A kind of shielding rack |
| CN107360709B (en) * | 2017-06-19 | 2018-08-24 | 广州汇安科技有限公司 | A kind of all-in-one micro computer room with low-and high-frequency electro-magnetic screen function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202524702U (en) * | 2012-01-17 | 2012-11-07 | 浙江中易和节能技术有限公司 | Energy-saving cooling cabinet |
| CN202679884U (en) * | 2012-06-04 | 2013-01-16 | 艾默生网络能源有限公司 | Cabinet air conditioner ventilation quantity adjusting device and modularization data center |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2007018994A2 (en) * | 2005-08-04 | 2007-02-15 | Liebert Corporation | Electronic equipment cabinet with integrated, high capacity, cooling system, and backup ventilation system |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202524702U (en) * | 2012-01-17 | 2012-11-07 | 浙江中易和节能技术有限公司 | Energy-saving cooling cabinet |
| CN202679884U (en) * | 2012-06-04 | 2013-01-16 | 艾默生网络能源有限公司 | Cabinet air conditioner ventilation quantity adjusting device and modularization data center |
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