[go: up one dir, main page]

WO2007032651A1 - Structure de connexion de tubes condenseur dans un système de climatisation pour équipement de communication - Google Patents

Structure de connexion de tubes condenseur dans un système de climatisation pour équipement de communication Download PDF

Info

Publication number
WO2007032651A1
WO2007032651A1 PCT/KR2006/003686 KR2006003686W WO2007032651A1 WO 2007032651 A1 WO2007032651 A1 WO 2007032651A1 KR 2006003686 W KR2006003686 W KR 2006003686W WO 2007032651 A1 WO2007032651 A1 WO 2007032651A1
Authority
WO
WIPO (PCT)
Prior art keywords
tube
pair
condenser
side frame
outdoor
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/KR2006/003686
Other languages
English (en)
Inventor
Hee Tae Park
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chang Jo 21 Co Ltd
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 WO2007032651A1 publication Critical patent/WO2007032651A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
    • H05K7/20327—Accessories for moving fluid, for connecting fluid conduits, for distributing fluid or for preventing leakage, e.g. pumps, tanks or manifolds
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
    • F25B25/005—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00 using primary and secondary systems
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/26—Arrangements for connecting different sections of heat-exchange elements, e.g. of radiators
    • 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
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/06—Several compression cycles arranged in parallel

Definitions

  • the present invention relates to air conditioning of communication equipment, and more particularly, to a connection structure of condenser tubes in an air conditioning system for communication equipment which improves the heat exchange efficiency of double cooling lines to effectively cool communication equipment disposed in a base station, a booth, etc., thereby preventing overheating of the communication equipment.
  • a conventional air conditioning system employs evaporation heat which is absorbed by refrigerant from the surroundings when the refrigerant evaporates.
  • refrigerant liquids such as ammonia, Freon, an azeotropic refrigerant mixture, chloromethyl, and so on, are generally used.
  • the low pressure liquid refrigerant enters an evaporator, exchanges heat with the inside air, and evaporates. Thereafter, the evaporated low pressure refrigerant enters the compressor to complete an air conditioning cycle which is continuously repeated.
  • the air cooled by the evaporation heat absorbed by the refrigerant in the evaporator is directed to a space or a target object by a blower fan to conduct a cooling function.
  • the conventional air conditioner uses refrigerant the phase of which can easily be changed such as through condensation and evaporation, to cool a desired space or a target object.
  • an object of the present invention is to provide a condenser tube connection structure of an air conditioning system for communication equipment in which a pair of heat exchange tubes constitute double cooling lines and are installed in each condenser so that they do not interfere with each other, thereby improving cooling efficiency and reliably maintaining the cooled state of communication equipment.
  • a condenser tube connection structure of an air conditioning system for communication equipment including an indoor module, placed inside a base station in which communication equipment is installed, and an outdoor module, placed outside the base station and having a condenser, wherein the condenser of the outdoor module has a pair of tubes; a first tube is installed in a manner such that a connection pattern, in which the first tube extends inward through one side frame of the condenser, outward through the other side frame of the condenser, inward through a horizontal adjoining portion on the other side frame, outward through one side frame, inward through a vertical adjoining portion on one side frame, and then outward through the other side frame, is continuously repeated; and a second tube is installed in the same manner as the first tube to be disposed in spaces between portions of the first tube, while not interfering with the first tube.
  • the indoor module comprises expansion valves installed on refrigerant pipes, brine coolers each having a pair of heat exchange tubes to which the refrigerant pipe extending from each expansion valve and a separate brine pipe are respectively connected, compressors for compressing refrigerant having passed through the brine coolers, an indoor heat exchanger having a heat exchange tube to which the brine pipe extending from the brine coolers is connected, and at least one indoor blower located adjacent to the indoor heat exchanger.
  • the outdoor module comprises a pair of circulation pumps connected in parallel to the brine pipe extending from the indoor heat exchanger, a pair of outdoor heat exchangers connected in series with each other while facing each other and each having a heat exchange tube to which the brine pipe extending from the circulation pumps is connected, a pair of condensers facing each other and having tubes to which the refrigerant pipes extending from the compressors of the indoor module are connected in parallel, and at least one outdoor blower located between the pair of outdoor heat exchangers.
  • the expansion valves, the brine coolers and the compressors of the indoor module constitute a single cooling group which is divided into first and second cooling sections; the first and second cooling sections are respectively connected to the refrigerant pipes which are separate from each other; two brine coolers are connected in series to one brine pipe; and each of a pair of condensers in the outdoor module has a pair of heat exchange tubes to which the refrigerant pipes extending from the respective cooling sections are connected.
  • each of a pair of condensers in the outdoor module has a pair of heat exchange tubes to which the refrigerant pipes extending from the respective cooling sections are connected.
  • the condenser tube connection structure of an air conditioning system for communication equipment provides advantages in that heat exchange efficiency is improved due to the presence of parallel connections, and even when one heat exchange tube is not working properly, the other heat exchange tube can reliably maintain the cooled state of communication equipment. Also, because the space inside a condenser is utilized to a maximum, the heat exchange efficiency of refrigerant is further improved.
  • FIG. 1 is a schematic structural view illustrating an air conditioning system for communication equipment in which a condenser tube connection structure in accordance with an embodiment of the present invention is used;
  • FIG. 2 is a front cross-sectional view illustrating the condenser tube connection structure according to the present invention.
  • FIG. 3 is a transverse cross-sectional view illustrating the condenser tube connection structure according to the present invention.
  • louvers 280 receiver driers
  • FIG. 1 is a schematic structural view illustrating an air conditioning system for communication equipment in which a condenser tube connection structure in accordance with an embodiment of the present invention is used.
  • the air conditioning system comprises an indoor module 100 which is placed inside a base station 300, and an outdoor module 200 which is placed outside the base station 300.
  • the indoor module 100 comprises expansion valves 110, brine coolers 120, compressors 130, an indoor heat exchanger 140, and indoor blowers 150.
  • the expansion valves 110 are installed on respective refrigerant pipes 160, and rapidly convert the liquid refrigerant supplied through the refrigerant pipes 160 and having a high pressure into misty refrigerant having a low temperature and a low pressure.
  • Each of the brine coolers 120 has a pair of heat exchange tubes 121 to which the refrigerant pipe 160 extending from each of the expansion valves 110 and a separate brine pipe 170 are respectively connected.
  • the compressors 130 compress the refrigerant having passed through the brine coolers 120, and comprise conventional compressors for compressing refrigerant to a high pressure.
  • the indoor heat exchanger 140 has a heat exchange tube 141, and the brine pipe
  • the indoor blowers 150 are positioned adjacent to the heat transfer surface of the indoor heat exchanger 140, where heat transfer occurs, and are structured so that air cooled through the heat exchange function of the indoor heat exchanger 140 can be blown toward communication equipment 180.
  • the indoor blowers 150 function to increase contact and heat exchange efficiency between the indoor heat exchanger 140 and indoor air.
  • the outdoor module 200 comprises circulation pumps 210, outdoor heat exchangers
  • a pair of circulation pumps 210 are used and are connected in parallel to the brine pipe 170 extending from the indoor heat exchanger 140.
  • regulation valves are respectively installed in the inlet and the outlet of each circulation pump 210 to appropriately regulate the amounts of brine which passes through the inlet and the outlet of each circulation pump 210.
  • the outdoor heat exchangers 220 are located to face each other and are connected in series with each other. Each outdoor heat exchanger 220 has a heat exchange tube 221 to which the brine pipe 170 extending from the circulation pumps 210 is connected.
  • the outdoor module 200 adopts a double structure in which the pair of outdoor heat exchangers 220 are installed in series on the brine pipe 170, heat exchange efficiency can be significantly improved.
  • the condensers 230 are located adjacent to both ends of the outdoor heat exchangers 220 to face each other.
  • the pair of condensers 230 are connected in parallel to the refrigerant pipes 160.
  • Each condenser 230 has a pair of tubes 231 to which the refrigerant pipes 160 extending from the compressors 130 of the indoor module 100 are respectively connected.
  • the condensers 230 serve heat exchangers for condensing and liquefying the refrigerant which is supplied from the compressors 130 and has a high pressure.
  • the pair of outdoor blowers 240 are located between the pair of outdoor heat exchangers 220 and between the pair of condensers 230.
  • the outdoor blowers 240 are positioned adjacent to the heat transfer surfaces of the outdoor heat exchangers 220, where heat transfer occurs, and function to increase contact and heat exchange efficiency between the outdoor heat exchangers 220 and outdoor air.
  • an indoor temperature sensor 190 is installed inside the base station 300, and an outdoor temperature sensor 250 is installed outside the base station 300.
  • a brine temperature sensor 260 is installed on a portion of the brine pipe 170 that enters the outdoor module 200 after passing through the indoor heat exchanger 140.
  • the temperatures sensed by the indoor temperature sensor 190, the outdoor temperature sensor 250 and the brine temperature sensor 260 are compared with one another or with reference temperatures, based on which the indoor heat exchanger 140 and the outdoor heat exchangers 220 are selectively driven to cool the space inside the base station 300.
  • liquids such as ammonia, Freon, an azeotropic refrigerant mixture, chloromethyl, and so on, are generally used.
  • the brine is a water solution of CaCl 2 and NaCl.
  • FIG. 2 is a front cross-sectional view illustrating the condenser tube connection structure according to the present invention
  • FIG. 3 is a transverse cross-sectional view illustrating the condenser tube connection structure according to the present invention.
  • the 230 comprise a first tube 231a and a second tube 231b.
  • the first tube 231a extends inward through one side frame 232 of the condenser 230, extends over a predetermined length to be elongate, and extends outward through the other side frame 233 of the condenser 230.
  • the first tube 231a extends inward through a horizontal adjoining portion on the other side frame 233, extends over the predetermined length to be elongate, and extends outward through one side frame 232.
  • the first tube 231a extends inward through a vertical adjoining portion on one side frame 232, extends over the predetermined length to be elongate, and extends outward through the other side frame 233 of the condenser 230.
  • connection pattern is continuously repeated. That is to say, the first tube 231a extends inward through a horizontal adjoining portion on the other side frame 233, extends over the predetermined length to be elongate, and extends outward through one side frame 232. The connection pattern continues along the side frames 232 and 233 of the condenser 230.
  • the second tube 231b is also installed along the side frames 232 and 233 in the same manner as the first tube 231.
  • the second tube 231b is installed in spaces defined between portions of the first tube 231a while not interfering with the first tube 231a.
  • the air conditioning system of the present invention comprises double cooling lines, depending upon the indoor temperature sensed by the indoor temperature sensor 190, the operation of the respective first and second cooling sections (the expansion valves 110, the brine coolers 120, and the compressors 130) and the condensers 230 is determined.
  • the brine having exchanged heat in the indoor heat exchanger 140 and absorbed heat inside the base station 300, passes through the outdoor heat exchanger 220.
  • the outdoor temperature and the brine temperature which are sensed by the outdoor temperature sensor 250 and the brine temperature sensor 260, are compared with each other, whether or not the outdoor heat exchanger 220 is operated is determined.
  • the brine exchanges heat with the natural cool air through the outdoor heat exchangers 220 to be cooled to a desired temperature, or is bypassed toward the indoor module 100 without exchanging heat in the outdoor heat exchangers 220.
  • the double brine circulation structures are adopted, in which the pair of circulation pumps 110 and the cooling group (the expansion valves 110, the brine coolers 120, and the compressors 130) and the condensers 230 are respectively installed in parallel, and the brine pipe 170 extends in series through the cooling group.
  • the cooling pipes 160 are branched and connected to the pair of heat exchange tubes 231 arranged in the respective condensers 230. As a result, heat exchange efficiency is improved, and when one heat exchange tube 231 does not properly work, the other heat exchange tube 231 can reliably maintain the cooled state of the communication equipment 180.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

Structure de connexion de tubes condenseurs d’un système de climatisation pour un équipement de communication comprenant un module intérieur placé à l'intérieur d’un poste de base dans lequel l’équipement de communication est installé et un module extérieur placé à l'extérieur du poste de base et ayant un condenseur. Le condenseur du module extérieur possède une paire de tubes. Un premier tube est installé de telle sorte qu’un schéma de connexion, selon lequel le premier tube s’étend vers l’intérieur à travers un châssis latéral, vers l’extérieur à travers l’autre châssis latéral, vers l’intérieur à travers une portion contiguë horizontale sur l’autre châssis latéral, vers l’extérieur à travers un châssis latéral, vers l’intérieur à travers une portion contiguë verticale sur un châssis latéral, puis vers l’extérieur à travers l’autre châssis latéral, est répété en continu. Un second tube est installé de la même manière que le premier tube et disposé dans des espaces séparant des portions du premier tube sans gêner le premier tube.
PCT/KR2006/003686 2005-09-15 2006-09-15 Structure de connexion de tubes condenseur dans un système de climatisation pour équipement de communication Ceased WO2007032651A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2005-0086227 2005-09-15
KR1020050086227A KR100680262B1 (ko) 2005-09-15 2005-09-15 통신장비용 냉방장치의 응축기 튜브 연결구조

Publications (1)

Publication Number Publication Date
WO2007032651A1 true WO2007032651A1 (fr) 2007-03-22

Family

ID=37865188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/003686 Ceased WO2007032651A1 (fr) 2005-09-15 2006-09-15 Structure de connexion de tubes condenseur dans un système de climatisation pour équipement de communication

Country Status (2)

Country Link
KR (1) KR100680262B1 (fr)
WO (1) WO2007032651A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100823653B1 (ko) 2006-09-01 2008-04-21 주식회사 창조이십일 통신장비용 냉방장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03279790A (ja) * 1990-03-26 1991-12-10 Hitachi Cable Ltd ヒートサイフォン式熱交換器
JPH06129732A (ja) * 1992-10-14 1994-05-13 Nippondenso Co Ltd 冷媒凝縮器
KR19990074071A (ko) * 1998-03-06 1999-10-05 윤종용 공기조화기의 열교환기

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000065456A (ja) 1998-08-20 2000-03-03 Denso Corp 沸騰冷却装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03279790A (ja) * 1990-03-26 1991-12-10 Hitachi Cable Ltd ヒートサイフォン式熱交換器
JPH06129732A (ja) * 1992-10-14 1994-05-13 Nippondenso Co Ltd 冷媒凝縮器
KR19990074071A (ko) * 1998-03-06 1999-10-05 윤종용 공기조화기의 열교환기

Also Published As

Publication number Publication date
KR100680262B1 (ko) 2007-02-07

Similar Documents

Publication Publication Date Title
US7874171B2 (en) Air conditioner for communication equipment and controlling method thereof
US7984621B2 (en) Air conditioning system for communication equipment and controlling method thereof
KR20070102621A (ko) 보조냉각기를 이용한 ｈｖａｃ 시스템
KR20110056180A (ko) 냉장 및 냉동 복합 공조시스템
US8667810B2 (en) Air conditioning system for communication equipment
KR20100046365A (ko) 히트펌프 시스템
CN101258789B (zh) 用于通讯设备的空调系统及其控制方法
US8322159B2 (en) Air conditioning system for communication equipment and controlling method thereof
KR20100005736U (ko) 히트펌프 시스템
KR101563620B1 (ko) 통신장비용 냉방장치 및 그 제어방법
KR20130055790A (ko) 고효율 히터펌프식 냉난방장치
WO2007032651A1 (fr) Structure de connexion de tubes condenseur dans un système de climatisation pour équipement de communication
KR20050043089A (ko) 히트 펌프
KR100773959B1 (ko) 통신장비용 냉방장치 및 그 제어방법
KR100687280B1 (ko) 통신장비용 냉방장치의 이중 열교환 구조
KR100863639B1 (ko) 공기 조화기
CN101171468A (zh) 用于通讯设备的空调系统及其控制方法
JP2010236855A (ja) 増設凝縮装置及びこれを用いた増設凝縮システム付冷凍サイクル装置
KR200264555Y1 (ko) 보조 열교환기를 이용한 에어컨의 효율향상 구조
KR100773962B1 (ko) 통신장비용 냉방장치 및 그 제어방법
KR100728683B1 (ko) 냉난방겸용 공기조화기
KR100806320B1 (ko) 통신장비용 냉방장치 및 그 제어방법
KR100252654B1 (ko) 공기조화기용 실외열교환기의 구조
KR20100046366A (ko) 급탕 히트펌프 시스템
KR20110072988A (ko) 칠러

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 06798783

Country of ref document: EP

Kind code of ref document: A1