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WO2008133399A1 - Système de conditionnement d'air destiné à un équipement de communication et procédé de contrôle de celui-ci - Google Patents

Système de conditionnement d'air destiné à un équipement de communication et procédé de contrôle de celui-ci Download PDF

Info

Publication number
WO2008133399A1
WO2008133399A1 PCT/KR2008/001148 KR2008001148W WO2008133399A1 WO 2008133399 A1 WO2008133399 A1 WO 2008133399A1 KR 2008001148 W KR2008001148 W KR 2008001148W WO 2008133399 A1 WO2008133399 A1 WO 2008133399A1
Authority
WO
WIPO (PCT)
Prior art keywords
indoor
temperature
outdoor
opening
air
Prior art date
Application number
PCT/KR2008/001148
Other languages
English (en)
Inventor
Hee Tae Park
Original Assignee
Chang Jo 21 Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chang Jo 21 Co., Ltd. filed Critical Chang Jo 21 Co., Ltd.
Publication of WO2008133399A1 publication Critical patent/WO2008133399A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/03—Constructional details, e.g. casings, housings
    • H04B1/036—Cooling arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D16/00—Devices using a combination of a cooling mode associated with refrigerating machinery with a cooling mode not associated with refrigerating machinery

Definitions

  • the present invention relates to an air conditioning system for communication equipment and a method for controlling the same, and more particularly, to an air conditioning system for communication equipment to enhance cooling efficiency by selectively using indoor air or outdoor air if needed and a method for controlling the same.
  • an air conditioner uses the evaporation heat that is absorbed from surroundings of a refrigerant while the refrigerant is evaporated.
  • the refrigerant includes liquids such as ammonia, freon, azeotropic refrigerant, and chloride methyl which is easily evaporated at relatively low temperatures.
  • the air conditioner performs following processes: The high-pressure vaporized refrigerant compressed by a compressor is changed into a high-pressure refrigerant liquefied by heat exchange with outdoor air at a condenser; The high-pressure liquefied refrigerant is changed into a low-pressure vaporized refrigerant by an expansion value and a capillary; and The low-pressure vaporized refrigerant flowed into an evaporator is evaporated by heat exchange with indoor air and the evaporated refrigerant is flowed back into the compressor.
  • the refrigerant flowed into the compressor repeatedly circulates by the above processes. Air cooled by evaporation heat of the refrigerant occurred at the evaporator is blown into a predetermined space or objects to be cooled.
  • a conventional air conditioner can cool objects by using characteristics of refrigerant to which a phase change, e.g.,condensation and evaporation easily occurs.
  • the present invention is directed to provide an air conditioning system for communication equipment to enhance cooling efficiency by selectively using indoor air or outdoor air if needed and a method for controlling the same.
  • an air conditioning system for communication equipment including an outdoor unit arranged outside a base station and an indoor unit arranged with the communication equipment in the base station.
  • the outdoor unit includes a compressor for compressing a refrigerant into a high- pressure/high-temperature vaporized refrigerant; a condenser for exchanging heat between the refrigerant and outdoor air; a reservoir tank for reserving the refrigerant liquidized by the condenser for a predetermined time; a drier for removing vapor and impurities of the refrigerant reserved in the reservoir tank; and an outdoor housing surrounding the compressor, the condenser, the reservoir tank and the drier.
  • the indoor unit includes an expansion valve for changing the refrigerant transferred from the drier into a low-temperature/low-pressure liquefied refrigerant; an evaporator for exchanging heat between the low-temperature/low-pressure refrigerant and indoor air; a first fan for blowing air cooled by the evaporator into the communication equipment; and an indoor housing surrounding the expansion valve, the evaporator, and the first fan.
  • the indoor housing has a first inlet and a second inlet for controlling the flow of outdoor air and indoor air, and a first outlet for flowing the cooled air into outdoor spa ce.
  • the first inlet has a first opening/closing unit.
  • the second inlet has a second opening/shosutedting unit.
  • the present invention can open or closed the first opening/ closing unit and the second opening/closing unit to selectively suck or circulate indoor air and outdoor air according to outdoor temperature and indoor temperature.
  • An air conditioning system for communication equipment can open or closed the first opening/closing unit and the second opening/ closing unit to selectively use indoor air and outdoor air for cooling the communication equipment. Also, since the air conditioning system can selectively use indoor air and outdoor air for cooling the communication equipment, the air conditioning system does not operate both of the indoor unit and the outdoor unit but operate only the indoor unit if the internal temperature of the communication equipment is not relatively low. Therefore, it can be efficiently reduce power consumption required for cooling the communication equipment.
  • FIG. 1 is a block diagram showing an air conditioning system for communication equipment in accordance with an embodiment of the present invention.
  • FIG. 2 is a flow chart illustrating a method for controlling an air conditioning system for communication equipment in accordance with an embodiment of the present invention.
  • FIGs. 3 and 4 are a block diagram showing an air conditioning system controlled according to the method in Fig. 2.
  • FIG. 1 is a block diagram showing an air conditioning system for communication equipment in accordance with an embodiment of the present invention.
  • the air conditioning system for communication equipment in accordance with an embodiment of the present invention includes an outdoor unit 100 arranged outside a base station 300 and an indoor unit 200 arranged with the communication equipment (not shown) in the base station 300.
  • the outdoor unit 100 includes a compressor 110, a condenser 120, a reservoir tank
  • the outdoor unit 100 is arranged on the roof or the outer wall of the base station 300.
  • the compressor 110 compresses the high-temperature/low-pressure refrigerant converted by heat exchange in an evaporator 220 into a high-temperature/high-pressure refrigerant with an adiabatic compression.
  • the high-temperature/high-pressure refrigerant converted in the compressor 110 is changed into a low- temperature/high-pressure refrigerant by heat exchange with outdoor air in the condenser 120.
  • outdoor air used by heat exchange in the condenser 120 is flow into the outdoor housing 150 through the first opening 152 of the outdoor housing 150 and blown into outdoor space by a condensing fan 122.
  • the low- temperature/high-pressure refrigerant converted by processes as described above is reserved in the reservoir tank 130 for a predetermined time, and vapor and impurities included in the low-temperature/high-pressure refrigerant is removed by the drier 140.
  • the outdoor housing 150 includes a temperature sensor 160 for measuring outdoor temperature to control a first to a third opening/closing units 262, 264, and 266.
  • the temperature sensor 160 is preferably arranged in or near a first inlet 312 of the indoor unit 200 for flowing outdoor air into the indoor unit 200.
  • the indoor unit 200 includes an expansion valve 210, an evaporator 220, a first fan
  • the indoor housing 250 is arranged in the internal space of the base station 300.
  • the expansion valve 210 converts the low-temperature/high-pressure refrigerant in which vapor and impurities is removed by the drier 140 into a low- temperature/low-pressure refrigerant with isothermal expansion.
  • the low- temperature/low -pressure refrigerant changed by the expansion valve 210 is changed into the high-temperature/low-pressure by heat exchange with indoor air in the evaporator 220.
  • the first fan 230 transfers air cooled by the evaporator 220 into the communication equipment that should be cooled.
  • the second fan 240 is operated to blow indoor air into outdoor space when the circulaton of indoor air is not relatively well.
  • the second fan 240 can be set up or removed depending on user's requirement.
  • air is used as the refrigerant circulating between the indoor unit 200 and the outdoor unit 100. Since the communication equipment should be generally cooled below only a predetermined temperature T , .e.g., 25 degrees, refrigerant such as Freon gas is not required to cool si the communication equipment.
  • the indoor housing 250 uses the wall 310 of the base station 300 as one side of the same and is parted into an upper room 254 and a lower room 256 by a partition wall 252.
  • the first inlet 312 is arranged on one side of the upper room 254 i.e., the wall 310 of the base station 300.
  • the first inlet 312 includes the first opening/closing unit 262 for selectively transferring outdoor air into the upper room 254.
  • a filter 270 for filtering impurities of outdoor air is arranged at one side of the first inlet 312.
  • a first outlet 282 is arranged on the opposite side of the first inlet 312 in the upper room 254 and the evaporator 220 is arranged at one side of the first outlet 282.
  • the first fan 230 is arranged at one side of the evaporator 220.
  • the second inlet 284 is arranged on a bottom wall, i.e., the partition wall 252 of the upper room 254.
  • the indoor air flowed in the lower room 256 through a third inlet 286 is transferred through a second inlet 284 into the upper room 254.
  • the second inlet 284 includes the second opening/ closing unit 264 for selectively transferring indoor air of the lower room 256 into the upper room 254.
  • a second outlet 314 is arranged on one side of the lower room 256, i.e., the wall 310 of the base station 300 for transferring indoor air into outdoor space.
  • the second outlet 314 includes the third opening/closing unit 266 for selectively transferring indoor air of the lower room 254 into outdoor space.
  • the second fan 240 is arranged at one side of the second inlet 314.
  • the indoor unit 200 according to the embodiment of the present invention in Fig. 1 is arranged on the wall 310 of the base station, it will be apparent to those skilled in the art that various changes and modifications may be made. For instance, there can be left a space between the wall 310 and the indoor unit 200. If there is space between the wall 310 and the indoor unit 200, an aid apparatus such as a duct can be used for controlling flow of outdoor air or indoor air.
  • the indoor housing 250 includes a temperature sensor 290 for measuring indoor temperature.
  • the indoor temperature measured by the temperature sensor 290 is used to control an operation of the first to third opening/closing units 262, 264, and 266.
  • the temperature sensor 290 is arranged at the outside of the indoor housing 250 in order to accurately measure indoor temperature.
  • the first to third opening/closing units 262, 264, and 266 can use an electric louver.
  • the electric louver a plurality of plates are horizontally and regularly arranged.
  • the first to third opening/closing units 262, 264, and 266 are opened or closed according to indoor temperature and outdoor temperature measured by the pair of temperature sensors 160 and 290, respectively.
  • An air conditioning system according to the present invention as describecoolove can cool the communication equipment by selectively using indoor air or outdoor air.
  • the air conditioning system by the present invention can reduce useless power consumption and enhance efficiency of power consumption needed for air-conditioning the communication equipment.
  • FIG. 2 is a flow chart illustrating a method for controlling an air conditioning system for communication equipment in accordance with an embodiment of the present invention.
  • Figs. 3 and 4 are a block diagram showing an air conditioning system controlled according to the method illustrated in Fig. 2.
  • the inside temperature and the outside temperature of the base station i.e., the indoor temperature T and the outdoor temperature T are measured by the m out temperature sensor 160 of the outdoor unit 100 and the temperature sensor 290 of the indoor unit 200, respectively (S 102). If the indoor tinperature T is higher than a first predetermined temperature T , e.g. 25 degrees (S 104), the indoor unit 200 is operated si
  • the first opening/closing unit 262 and the third opening/closing unit 266 are opened (Sl 12). Then, outdoor air is flowed into the indoor unit 200 through the first inlet 312 and indoor air of the indoor unit 200 is flowed into outdoor space through the second outlet 314 .
  • the second opening/closing unit 264 is closed to prevent indoor air in the lower room 256 of the indoor unit 200 from blowing into the upper room 254 of the indoor unit 200. [42] If the outdoor temperature T is higher than the indoor temperatur T , as shown in out m
  • the first opening/closing unit 262 and the third opening/closing unit 266 are closed. Then, outdoor air is prevented to flow into the indoor unit 200 through the first inlet 312 and indoor air of the indoor unit 200 is prevented to flow into outdoor space through the second outlet 314. Also, the second opening/closing unit 264 is opened and then, indoor air circulates between the lower room 256 and the upper room 254 (S 122).
  • the former case(Sl 12) is a method for air-conditioning the communication equipment using low-temperature outdoor air.
  • the latter case(S122) is a method for air-conditioning the communication equipment by preventing high-temperature outdoor air from blowing into the indoor unit 200.
  • outdoor air flowed through the second inlet 284 is cooled by heat exchange in the evaporator 220 and the cooled air is flowed into the communication equipment.
  • this case is called a air-conditioning state.
  • the outdoor temperature Tout is lower than the indoor temperature T
  • the first and the third opening/closing units 262 and 266 are opened and the second opening/closing unit 264 is closed (S 130).
  • the outdoor unit 100 is stopped to operate if the indoor temperature T is lower than a pre- determined temperature T , e.g., 26.5 degrees.
  • the operation of the outdoor unit 100 is controlled by the temperature T . If the indoor temperature T is higher than the predetermined temperature T , the operation of the m s2 outdoor unit 100 is started. Otherwise, if the indoor temperature T is lower than the predetermined temperature T , the operation of the outdoor unit 100 is stopped.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention concerne un système de conditionnement d'air pour un équipement de communication afin d'améliorer une efficacité du refroidissement en utilisant de façon sélective l'air intérieur ou l'air extérieur si nécessaire et un procédé pour contrôler celui-ci. La présente invention propose un système de conditionnement d'air pour un équipement de communication comprenant une unité extérieure qui comprend un compresseur, un condensateur, une cuve de réservoir, un déshydrateur, et un boîtier extérieur, et une unité intérieure qui comprend un détendeur, un évaporateur, un premier ventilateur, et un boîtier intérieur dans lequel le boîtier intérieur comprend une première ouïe qui comprend une unité d'ouverture/fermeture et une seconde ouïe qui comprend une seconde unité d'ouverture/fermeture pour contrôler le flux de l'air extérieur et de l'air intérieur, et une première sortie pour écouler l'air refroidi dans l'espace extérieur.
PCT/KR2008/001148 2007-04-27 2008-02-27 Système de conditionnement d'air destiné à un équipement de communication et procédé de contrôle de celui-ci WO2008133399A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070041537A KR100869534B1 (ko) 2007-04-27 2007-04-27 통신장비용 냉방장치 및 그 제어방법
KR10-2007-0041537 2007-04-27

Publications (1)

Publication Number Publication Date
WO2008133399A1 true WO2008133399A1 (fr) 2008-11-06

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Application Number Title Priority Date Filing Date
PCT/KR2008/001148 WO2008133399A1 (fr) 2007-04-27 2008-02-27 Système de conditionnement d'air destiné à un équipement de communication et procédé de contrôle de celui-ci

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Country Link
KR (1) KR100869534B1 (fr)
WO (1) WO2008133399A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403148A1 (fr) * 2010-06-30 2012-01-04 Nokia Siemens Networks Oy Boîtier

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101680264B1 (ko) 2015-04-23 2016-11-29 주식회사 쏠리드 통신장비용 냉방장치
WO2017217571A1 (fr) * 2016-06-16 2017-12-21 주식회사 쏠리드벤투스 Dispositif de refroidissement destiné à un équipement de communication

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199045A (ja) * 1984-10-19 1986-05-17 Nippon Telegr & Teleph Corp <Ntt> 空冷形空気調和装置
JPH0345837A (ja) * 1989-07-10 1991-02-27 Toshiba Corp 空気調和装置
KR200246356Y1 (ko) * 2001-06-01 2001-10-17 주식회사 크린에어 밀폐된 공간 냉방 장치
KR20020040966A (ko) * 2000-11-25 2002-05-31 유종이 냉방기용 에너지 절약 제어시스템
KR20030008707A (ko) * 2001-07-19 2003-01-29 이재환 폐열회수형 냉, 난방 및 환기 겸용 에어콘
KR100590330B1 (ko) * 2004-05-21 2006-06-19 엘지전자 주식회사 환기 겸용 공기조화기

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6199045A (ja) * 1984-10-19 1986-05-17 Nippon Telegr & Teleph Corp <Ntt> 空冷形空気調和装置
JPH0345837A (ja) * 1989-07-10 1991-02-27 Toshiba Corp 空気調和装置
KR20020040966A (ko) * 2000-11-25 2002-05-31 유종이 냉방기용 에너지 절약 제어시스템
KR200246356Y1 (ko) * 2001-06-01 2001-10-17 주식회사 크린에어 밀폐된 공간 냉방 장치
KR20030008707A (ko) * 2001-07-19 2003-01-29 이재환 폐열회수형 냉, 난방 및 환기 겸용 에어콘
KR100590330B1 (ko) * 2004-05-21 2006-06-19 엘지전자 주식회사 환기 겸용 공기조화기

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2403148A1 (fr) * 2010-06-30 2012-01-04 Nokia Siemens Networks Oy Boîtier

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Publication number Publication date
KR100869534B1 (ko) 2008-11-19

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