CN102307446A - Conduit heat dissipation type computer room ventilation system and control method thereof - Google Patents
Conduit heat dissipation type computer room ventilation system and control method thereof Download PDFInfo
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- CN102307446A CN102307446A CN201110245476A CN201110245476A CN102307446A CN 102307446 A CN102307446 A CN 102307446A CN 201110245476 A CN201110245476 A CN 201110245476A CN 201110245476 A CN201110245476 A CN 201110245476A CN 102307446 A CN102307446 A CN 102307446A
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20709—Modifications to facilitate cooling, ventilating, or heating for server racks or cabinets; for data centers, e.g. 19-inch computer racks
- H05K7/20718—Forced ventilation of a gaseous coolant
- H05K7/20745—Forced ventilation of a gaseous coolant within rooms for removing heat from cabinets, e.g. by air conditioning device
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Abstract
The invention relates to a ventilation system for various computer rooms, in particular to a conduit heat dissipation type computer room ventilation system and a control method thereof. The system comprises cabinets, heat conduit radiators, a convertible frequency air conditioner and a fan case, wherein the heat conduit radiators are arranged on the cabinets, and heat conduits and a baffle plate are arranged in each heat conduit radiator; each heat conduit radiator is divided into a heat absorption area and a heat dissipation area by the baffle plate; the heat conduits are separated by the baffle plate, one part of each heat conduit is arranged in the heat absorption area, and the other part of each heat conduit is arranged in the heat dissipation area; the air outlet of each heat absorption area is provided with a small fan; each heat conduit radiator is connected with an air exhausting flexible pipe; air exhausting flexible pipes are connected with the fan case through an air exhausting main pipe; and an internal circulating air outlet and an external exhaust outlet are formed in the fan case. Heat in the cabinets is conducted outdoors or is reasonably used indoors by using the super-high efficient heat conduction performance of the heat conduits, so that the problems that the service life of the components is influenced due to high temperature inside the cabinets, and the power consumption of air conditioners of the computer rooms is high are solved.
Description
Technical field:
The ventilating system of the present invention and all kinds of machine rooms more specifically relates to a kind of conduit heat dissipation type equipment room ventilation system and control method thereof.
Background technology:
The too high phenomenon of electrical control cubicles in all kinds of machine rooms, rack is inner because the components and parts heating can not get outwards distributing temperature is very general; Temperature is high in not only making between machine room summer; Condition of work is abominable; And have a strong impact on useful life of components and parts; And existing cooling measure often radiating effect is poor, and waste energy.In addition, some industry rack room air ambients are relatively poor, and dust, bad gas are arranged, and components and parts are short useful life in the rack, and are particularly serious at building materials, energy field.At present, the heat pipe technology is used to reclaim the air-conditioning air draft in the normal temperature field cold and hot/amount is in the starting stage, and this technology stems from space flight, and the back gets into civilian, utilizes the existing certain scale of cogeneration of smoke evacuation in the high temperature field.The heat pipe technology is to vacuumizing in the metal tube; Pour into working media; Seal; Its two ends ambient temperature of living in not simultaneously, the inner liquid working media of the higher end of temperature absorbs the phase transformation of heat generating gasification, evaporate into the lower other end of temperature; The liquefaction phase transformation takes place in distribute heat; Flow back into the higher end of temperature again, constantly circulation, thus make metal tube carry out heat conduction to the two ends environment with extreme efficiency.Because heat pipe is remarkable in heat conduction and energy-saving field effect, its range of application is also continuing expansion.
But in the ventilation and heat field of all kinds of machine rooms, the heat pipe technology does not also find application, and the present invention is a kind of brand-new conduit heat dissipation type equipment room ventilation system and the control method thereof that this technical application is invented in the equipment room ventilation system.
Summary of the invention:
The purpose of this invention is to provide a kind of conduit heat dissipation type equipment room ventilation system and control method thereof; The heat conductivility of utilization heat pipe ultra high efficiency; Be placed in the top of electrical control cubicles and all kinds of heating racks; Two pores through on its top board, offering carry out air circulation to rack inside; Simultaneously that rack is inner heat conducts outdoor or rationally is utilized in indoor; Solve because rack internal temperature height influences the puzzlement in components and parts life-span, and the high problem of air conditioner in machine room power consumption.
For realizing above-mentioned purpose, the present invention adopts following technical scheme:
A kind of conduit heat dissipation type equipment room ventilation provided by the invention system, said system comprises rack, heat pipe radiator, convertible frequency air-conditioner and air box on the rack is set;
Said heat pipe radiator inside is provided with heat pipe and dividing plate; Said dividing plate is divided into heat absorption district and radiating area with the heat pipe radiator; Have the dividing plate hole on the said dividing plate; Said heat pipe passes the dividing plate hole and is divided into two parts by dividing plate; The part of said heat pipe is in the heat absorption district, and another part is in radiating area;
Have heat absorption district air inlet and heat absorption district air outlet in the heat absorption district of said heat pipe radiator, said enclosure top is provided with and said heat absorption district air inlet and corresponding mouthful of heat absorption district air outlet, and air outlet place, said heat absorption district also is provided with little blower fan;
Have radiating area air inlet and radiating area air outlet on the radiating area of said heat pipe radiator; Said radiating area air outlet is connected with discharge hose one end; The said discharge hose other end is connected with air box one end through the air draft person in charge; The said air box other end is provided with adjuster valve, circulation air port and outer exhaust outlet in said adjuster valve is communicated with.
In a kind of conduit heat dissipation type equipment room ventilation systems technology scheme provided by the invention, encapsulation process is done in the junction in said heat pipe and dividing plate hole, and the said dividing plate district of will absorbing heat completely cuts off with radiating area.
In another preferred a kind of conduit heat dissipation type equipment room ventilation systems technology scheme provided by the invention, said heat absorption district air inlet faces the heat pipe in the said heat absorption district, and the heat pipe place in the said radiating area is provided with the radiating area air outlet.
In the preferred a kind of conduit heat dissipation type equipment room ventilation systems technology scheme more provided by the invention, said radiating area air inlet place is provided with the air intake blinds, and air outlet place, said heat absorption district is provided with filter.
In another preferred a kind of conduit heat dissipation type equipment room ventilation systems technology scheme provided by the invention; Said convertible frequency air-conditioner is provided with new wind air inlet; Be provided with fresh air purifier between said convertible frequency air-conditioner and the new wind air inlet, also be provided with condensate draining pipe on the said convertible frequency air-conditioner.
In another preferred a kind of conduit heat dissipation type equipment room ventilation systems technology scheme provided by the invention, said discharge hose and air draft are responsible for outer surface and all are provided with heat-insulating material.
In another preferred a kind of conduit heat dissipation type equipment room ventilation systems technology scheme provided by the invention; Air outlet place, said heat pipe radiator heat-dissipation district is provided with thermometer I; Said thermometer I is connected with Programmable Logic Controller; Also be provided with minute-pressure difference appearance and thermometer II on the said Programmable Logic Controller, said air box, adjuster valve and fresh air purifier also link to each other with said Programmable Logic Controller respectively.
The control method of a kind of conduit heat dissipation type equipment room ventilation provided by the invention system comprises that step is following:
Step 1: the little blower fan work at air outlet place, said heat absorption district, make the inner air of rack rack and the heat absorption district between circulate, the heat pipe in the heat absorption district absorbs airborne heat and is delivered to the heat pipe place in the radiating area;
Step 2: said air box work, room air is sucked from the radiating area air inlet, get into air draft behind the heat of heat pipe in the absorption radiating area and be responsible for;
Step 3: said adjuster valve work, feasible wind of coming from air draft person in charge biography is through perhaps being discharged to outdoor through outer exhaust outlet in the inlet chamber of interior circulation air port;
Step 4: said fresh air purifier sucks new wind through new wind air inlet from the external world, send into convertible frequency air-conditioner, and the after-blow of convertible frequency air-conditioner refrigeration is gone into indoor.
The control method of another preferred a kind of conduit heat dissipation type equipment room ventilation system provided by the invention; In the said step 3; The earlier preset indoor temperature T1 of Programmable Logic Controller; The detected actual indoor temperature of thermometer II is T2; When T2 >=T1; The circulation air port was closed in the Controlled by Programmable Controller adjuster valve made, outer exhaust outlet is opened, and made that passing the wind of coming from the air draft person in charge is discharged to outdoor; When T2＜T1, the Controlled by Programmable Controller adjuster valve makes outer exhaust outlet cut out, and open in interior circulation air port, makes that to be responsible for the wind that biography comes from air draft indoor through being discharged to.
In the said step 4; Programmable Logic Controller is preset a room pressure P1; Actual pressure is P2 in the minute-pressure difference appearance sensing chamber that connects on the Programmable Logic Controller, and Programmable Logic Controller makes room pressure P2 all the time near P1 through adjusting fresh air purifier sucks the air quantity of new wind from the external world size.
Because the beneficial effect that has adopted technique scheme, the present invention to obtain is:
1, the thermal conductance tubular radiator utilizes the heat conductivility of heat pipe ultra high efficiency; Be placed in the top of electrical control cubicles and all kinds of heating racks; Two pores through on its top board, offering carry out air circulation to rack inside; Simultaneously that rack is inner heat conducts out; Can in machine room, not spread; Directly be discharged into atmosphere; Thereby reduce the rack temperature inside greatly; And the air conditioning energy consumption of rack room is reduced to bottom line; Solve because rack internal temperature height influences the puzzlement in components and parts life-span, and the high problem of air conditioner in machine room power consumption.
2, this system's heat pipe radiator overall dimension is little, in light weight, can be placed in general enclosure top easily.
3, this system programmable controller changes according to actual indoor temperature, new wind-warm syndrome degree and room pressure; Send instruction to air draft blower fan, exhaust valve, new wind blower fan; Discharge unnecessary heat outdoor; Allow available energy in indoor circulation; Replenish enough new wind simultaneously, guarantee cleaning and normal pressure in the machine room.
4, this air outlet place, system heat absorption district is provided with filter, and the heat pipe radiator purifies air filtration in the rack with the mode of air circulation in the rack.
Description of drawings
Fig. 1 is an a kind of conduit heat dissipation type equipment room ventilation system mounting means sketch map;
Fig. 2 is heat pipe radiator internal structure sketch map among the present invention;
Fig. 3 is the heat absorption district cutaway view of heat pipe radiator among the present invention;
Fig. 4 is the radiating area cutaway view of heat pipe radiator among the present invention;
Fig. 5 is the vertical view of heat pipe radiator internal structure among the present invention;
Fig. 6 is heat pipe radiator and cabinet combination sketch map among the present invention;
Fig. 7 is a kind of conduit heat dissipation type equipment room ventilation system works principle schematic;
Wherein, 1-rack, 2-heat pipe radiator; The 3-dividing plate, 4-heat pipe, 5-radiating area; The 6-district of absorbing heat, the little blower fan of 7-, 8-heat absorption district air outlet; 9-heat absorption district air inlet, 10-radiating area air inlet, 11-air intake blinds; 12-radiating area air outlet, 13-discharge hose, 14-filter; The 15-air draft is responsible for, 16-air box, 17-adjuster valve; Circulation air port in the 18-, the outer exhaust outlet of 19-, 20-convertible frequency air-conditioner; The 21-fresh air purifier, 22-condensate draining pipe, the new wind air inlet of 23-; 24-thermometer I; 25-thermometer II, 26-minute-pressure difference appearance, 27-Programmable Logic Controller.
Embodiment
Below in conjunction with embodiment invention is done further to describe in detail.
Embodiment 1:
Shown in Fig. 1-7; A kind of brand-new conduit heat dissipation type equipment room ventilation system and the control method thereof of the invention of this example; System comprises rack 1, heat pipe radiator 2, convertible frequency air-conditioner 20 and air box 16 on the rack 1 is set; Different machine room rack 1 quantity is different; A rack 1 is provided with a heat pipe radiator 2; Preferred version is three racks in this example, three heat pipe radiators 2;
Have heat absorption district air inlet 9 and heat absorption district air outlet 8 in the heat absorption district 6 of heat pipe radiator 2; Rack 1 top is provided with and district's air inlet 9 and 8 corresponding mouthfuls of the heat absorption district air outlets of absorbing heat; Heat absorption district air inlet 9 faces the heat pipe 4 in the heat absorption district 6; Air outlet 8 places, heat absorption district also are provided with little blower fan 7 and filter 14, and filter is to the circulating air filtration, purification in heat pipe radiator 2 and the rack 1;
The hot-air sucking-off that the heat absorption district air inlet 9 of heat pipe radiator 2 is inner with rack; Earlier through filter 14; Its heat is absorbed by heat pipe 4; Little blower fan 7 blows to rack inside with wind with certain wind speed, constantly circulation, 35 watts of power of fan; Per hour 300 cubic metres of air quantity; Rack 1 inner air is per hour circulated about 200 times, can fully shift heat in the rack 1, eliminate laying dust and bad air in the cabinet;
Have radiating area air inlet 10 and radiating area air outlet 12 on the radiating area 5 of heat pipe radiator 2; Radiating area air inlet 10 places are provided with air intake blinds 11; The angle of air intake blinds 11 can manual adjustments perhaps be provided with automatic governor motion; Heat pipe 4 places in the radiating area 5 are provided with radiating area air outlet 12; Radiating area air outlet 12 is connected with discharge hose 13 1 ends; Discharge hose 13 other ends are responsible for 15 by air draft and are connected with air box 16 1 ends; Air draft is responsible on 15 and is communicated with three discharge hoses 13 in this example; Air box 16 other ends are provided with control valve 17; Circulation air port 18 and outer exhaust outlet 19 in control valve 17 is communicated with, discharge hose 13 is responsible for 15 outer surfaces with air draft and all is provided with heat-insulating material commonly used;
Convertible frequency air-conditioner 20 is provided with new wind air inlet 23, is provided with fresh air purifier 21 between convertible frequency air-conditioner 20 and the new wind air inlet 23, and the new wind that fresh air purifier 21 is used to suck also purifies new wind; Also be provided with condensate draining pipe 22 on the convertible frequency air-conditioner 20, be used for getting rid of the condensed water of convertible frequency air-conditioner 20;
Heat Pipe Radiator 2 zone air outlet 12 has a temperature meter I? 24, thermometer I? 24 is connected to the programmable controller 27, in this case the programmable controller is currently used by programming or software configuration changes Control measures controllers, three heat pipe radiator 2 is provided with three temperature meter I? 24, is intended for detection of three heat pipe radiator cooling zone 5 2 temperature maintenance personnel manually adjust the respective inlet louvers 11 change the angle of the size of the intake air volume, so that each heat pipe type cooling capacity of the radiator 2, so that the temperature of the three cooling zones 5 as to achieve consistent discharge of the air temperature as close as possible; the programmable controller 27 is also provided Differential pressure and temperature meter 26 meter II? 25, the wind box 16, control valve 17 and the new air purifier 21 were also connected to the programmable controller 27, the controller 27 can be separately programmable micro-pressure meter 26, the temperature meter II? 25, the wind box 16, control valve 17 and the air purification machine 21 to adjust.
The control method of a kind of conduit heat dissipation type equipment room ventilation of the present invention system comprises that step is following:
Step 1: when 1 temperature of rack in the machine room is too high; Little blower fan 7 work at air outlet 8 places, heat pipe radiator 2 heat absorptions district; Make the inner air of rack 1 rack 1 and heat absorption district 6 between circulation, the heat pipes 4 in the heat absorption district 6 absorb airborne heats and also are delivered to heat pipe 4 places in the radiating area 5;
Step 2: air box 16 work air draughts, room air is sucked from radiating area air inlet 12, air flows through the heat pipe 4 in the radiating area 5, gets into air drafts from discharge hose 13 behind the heat of absorption heat pipe 4 and is responsible for 15;
Step 3: adjuster valve 17 work, feasible wind of coming from the air draft person in charge 15 biographies is through perhaps being discharged to outdoor through outer exhaust outlet 19 in 18 inlet chambers of interior circulation air port; In this routine step 3; Programmable Logic Controller 27 earlier preset indoor temperature T1; Thermometer II 25 detected actual indoor temperatures are T2; When T2 >=T1; Circulation air port 18 was closed in Programmable Logic Controller 27 regulating and controlling valves 17 made; Outer exhaust outlet 19 is opened, and makes that passing the wind of coming from the air draft person in charge 15 is discharged to outdoor; When T2＜T1, Programmable Logic Controller 27 regulating and controlling valves 17 make outer exhaust outlets 19 cut out, and open in interior circulation air port 18, make that being responsible for the wind that 15 biographies come from air draft is discharged to indoor through interior circulation air port 18;
Step 4: fresh air purifier 21 sucks new wind through new wind air inlet 23 from the external world, send into convertible frequency air-conditioner 20, and convertible frequency air-conditioner 20 refrigeration after-blow are gone into indoor; In this routine step 4; Programmable Logic Controller 27 preset room pressure P1; Actual pressure is P2 in minute-pressure difference appearance 26 sensing chamber that connect on the Programmable Logic Controller; Programmable Logic Controller 27 makes room pressure P2 all the time near P1 through adjusting fresh air purifier 21 sucks the air quantity of new wind from the external world size.
Conduit heat dissipation type equipment room ventilation of the present invention system handles the hot blast that has absorbed the rack internal heat according to the energy-conservation principle of maximum, it is minimum that machine room operating cost is dropped to, energy-conservation to greatest extent, and keeps air quality in the good machine room.All kinds of electrical control cubicles, rack are widely used in each field, and quantity is many, are difficult to statistics.The inner heat of ubiquity rack, laying dust problem and the air conditioner in machine room high problem that consumes energy, some electrical control cubicles caloric value reaches 8 to 10 kilowatts.Some industry rack room air ambients are relatively poor, and dust, bad gas are arranged, and components and parts are short useful life in the rack, and are particularly serious at building materials, energy field; If machine room indoor temperature set point is approaching with locality mean temperature in summer, air-conditioning equipment can be set, new wind is mended in all outer air drafts in a large number, reduce cost of equipment and operating cost significantly, and the rack internal temperature is not high.Of the present invention applying will thoroughly change rack internal temperature height, the many phenomenons of laying dust, reduces equipment room ventilation operation of air conditioner expense significantly, energy efficient, performance good society effect.
Should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not to its restriction; Although the present invention is described in detail with reference to the foregoing description; Under the those of ordinary skill in field be to be understood that: still can specific embodiments of the invention make amendment or be equal to replacement; And do not break away from any modification of spirit and scope of the invention or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (9)
1. conduit heat dissipation type equipment room ventilation system, it is characterized in that: said system comprises rack (1), heat pipe radiator (2), convertible frequency air-conditioner (20) and air box (16) on the rack (1) is set;
Said heat pipe radiator (2) inside is provided with heat pipe (4) and dividing plate (3); Said dividing plate (3) is divided into heat absorption district (6) and radiating area (5) with heat pipe radiator (2); Said dividing plate has the dividing plate hole on (3); Said heat pipe (4) passes the dividing plate hole and is divided into two parts by dividing plate (3); The part of said heat pipe (4) is in heat absorption district (6), and another part is in radiating area (5);
Have heat absorption district's air inlet (9) and heat absorption district air outlet (8) in the heat absorption district (6) of said heat pipe radiator (2); Said rack (1) top is provided with and said heat absorption district air inlet (9) and the corresponding mouth of heat absorption district's air outlet (8), and said heat absorption district air outlet (8) locates also to be provided with little blower fan (7);
Have radiating area air inlet (10) and radiating area air outlet (12) on the radiating area (5) of said heat pipe radiator (2); Said radiating area air outlet (12) is connected with discharge hose (13) one ends; Said discharge hose (13) other end is responsible for (15) through air draft and is connected with air box (16) one ends; Said air box (16) other end is provided with adjuster valve (17), circulation air port (18) and outer exhaust outlet (19) in said adjuster valve (17) is communicated with.
2. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 1 system, it is characterized in that: said heat pipe (4) is done encapsulation process with the junction in dividing plate hole, and will absorb heat district (6) and radiating area (5) of said dividing plate (3) completely cuts off.
3. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 1 system; It is characterized in that: said heat absorption district air inlet (9) faces the heat pipe (4) in the said heat absorption district (6), and the heat pipe (4) in the said radiating area (5) locates to be provided with radiating area air outlet (12).
4. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 3 system, it is characterized in that: said radiating area air inlet (10) locates to be provided with air intake blinds (11), and said heat absorption district air outlet (8) locates to be provided with filter (14).
5. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 1 system; It is characterized in that: said convertible frequency air-conditioner (20) is provided with new wind air inlet (23); Be provided with fresh air purifier (21) between said convertible frequency air-conditioner (20) and the new wind air inlet (23), also be provided with condensate draining pipe (22) on the said convertible frequency air-conditioner (20).
6. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 1 system, it is characterized in that: said discharge hose (13) and air draft are responsible for (15) outer surface and all are provided with heat-insulating material.
7. a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 1 system; It is characterized in that: said heat pipe radiator (2) radiating area air outlet (12) locates to be provided with thermometer I (24); Said thermometer I (24) is connected with Programmable Logic Controller (27); Also be provided with minute-pressure difference appearance (26) and thermometer II (25) on the said Programmable Logic Controller (27), said air box (16), adjuster valve (17) and fresh air purifier (21) also link to each other with said Programmable Logic Controller (27) respectively.
8. like the control method of the arbitrary described a kind of conduit heat dissipation type equipment room ventilation of claim 1-7 system, it is characterized in that: comprise that step is following:
Step 1: little blower fan (7) work that said heat absorption district air outlet (8) is located; Make the inner air of rack (1) rack (1) and heat absorption district (6) between circulation, the heat pipe (4) in the heat absorption district (6) absorbs airborne heat and the heat pipe (4) that is delivered in the radiating area (5) is located;
Step 2: said air box (16) work, room air is sucked from radiating area air inlet (12), get into air draft behind the heat of the absorption interior heat pipe of radiating area (5) (4) and be responsible for (15);
Step 3: said adjuster valve (17) is worked, and makes that passing the wind of coming from the air draft person in charge (15) perhaps is discharged to outdoor through outer exhaust outlet (19) through interior circulation air port (18) inlet chamber is interior;
Step 4: said fresh air purifier (21) sucks new wind through new wind air inlet (23) from the external world, sends into convertible frequency air-conditioner (20), and the after-blow of convertible frequency air-conditioner (20) refrigeration is gone into indoor.
9. the control method of a kind of conduit heat dissipation type equipment room ventilation as claimed in claim 8 system is characterized in that:
In the said step 3; The earlier preset indoor temperature T1 of Programmable Logic Controller (27); The detected actual indoor temperature of thermometer II (25) is T2; When T2 >=T1; Circulation air port (18) was closed in Programmable Logic Controller (27) regulating and controlling valve (17) made; Outer exhaust outlet (19) is opened, and makes that passing the wind of coming from the air draft person in charge (15) is discharged to outdoor; When T2＜T1, Programmable Logic Controller (27) regulating and controlling valve (17) makes outer exhaust outlet (19) cut out, and open in interior circulation air port (18), makes that to be responsible for the wind that (15) biography comes from air draft indoor through being discharged to.
In the said step 4; Programmable Logic Controller (27) is preset a room pressure P1; Actual pressure is P2 in minute-pressure difference appearance (26) sensing chamber that connects on the Programmable Logic Controller; Programmable Logic Controller (27) makes room pressure P2 all the time near P1 through adjusting fresh air purifier (21) sucks the air quantity of new wind from the external world size.
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| CN201110245476A CN102307446A (en) | 2011-08-25 | 2011-08-25 | Conduit heat dissipation type computer room ventilation system and control method thereof |
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| CN201110245476A CN102307446A (en) | 2011-08-25 | 2011-08-25 | Conduit heat dissipation type computer room ventilation system and control method thereof |
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| CN109246336A (en) * | 2018-08-22 | 2019-01-18 | 湖北鑫美企业发展股份有限公司 | A kind of monitoring shield helping heat dissipation |
| CN111022357A (en) * | 2020-01-07 | 2020-04-17 | 龙游欣沽通风设备有限公司 | Indoor ventilator capable of ventilating at multiple angles |
| KR20200076669A (en) * | 2017-10-30 | 2020-06-29 | 블루에어 에이비 | Air treatment unit for ventilation air inlets |
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| CN107702247A (en) * | 2017-08-04 | 2018-02-16 | 国网浙江海盐县供电公司 | Dispatch the embedded auxiliary heat dissipating system of hall high density small room and radiating mode |
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| CN109151269A (en) * | 2018-08-22 | 2019-01-04 | 湖北鑫美企业发展股份有限公司 | A kind of video monitoring shield of real-time temperature adjustment |
| CN109246336A (en) * | 2018-08-22 | 2019-01-18 | 湖北鑫美企业发展股份有限公司 | A kind of monitoring shield helping heat dissipation |
| CN109151269B (en) * | 2018-08-22 | 2020-06-16 | 湖北鑫美企业发展股份有限公司 | Real-time temperature-adjusting video monitoring protective cover |
| CN109246336B (en) * | 2018-08-22 | 2020-09-25 | 湖北鑫美企业发展股份有限公司 | Monitoring protective cover beneficial to heat dissipation |
| CN111022357A (en) * | 2020-01-07 | 2020-04-17 | 龙游欣沽通风设备有限公司 | Indoor ventilator capable of ventilating at multiple angles |
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