EP1243865A2 - Dispositif de drainage des eaux de condensation dans un dispositif de conditionnement d'air - Google Patents

Dispositif de drainage des eaux de condensation dans un dispositif de conditionnement d'air Download PDF

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Publication number
EP1243865A2
EP1243865A2 EP02425107A EP02425107A EP1243865A2 EP 1243865 A2 EP1243865 A2 EP 1243865A2 EP 02425107 A EP02425107 A EP 02425107A EP 02425107 A EP02425107 A EP 02425107A EP 1243865 A2 EP1243865 A2 EP 1243865A2
Authority
EP
European Patent Office
Prior art keywords
condenser
condensation water
unit
external unit
distributor
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.)
Withdrawn
Application number
EP02425107A
Other languages
German (de)
English (en)
Other versions
EP1243865A3 (fr
Inventor
Oreste Bottaro
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.)
Elettroplastica Elettrodomestici Srl
Original Assignee
Elettroplastica Elettrodomestici Srl
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 Elettroplastica Elettrodomestici Srl filed Critical Elettroplastica Elettrodomestici Srl
Publication of EP1243865A2 publication Critical patent/EP1243865A2/fr
Publication of EP1243865A3 publication Critical patent/EP1243865A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/42—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger characterised by the use of the condensate, e.g. for enhanced cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F13/222—Means for preventing condensation or evacuating condensate for evacuating condensate
    • F24F2013/225—Means for preventing condensation or evacuating condensate for evacuating condensate by evaporating the condensate in the cooling medium, e.g. in air flow from the condenser
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/041—Details of condensers of evaporative condensers
    • 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
    • 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
    • F25D2321/00—Details or arrangements for defrosting; Preventing frosting; Removing condensed or defrost water, not provided for in other groups of this subclass
    • F25D2321/14—Collecting condense or defrost water; Removing condense or defrost water
    • F25D2321/141—Removal by evaporation
    • F25D2321/1412—Removal by evaporation using condenser heat or heat of desuperheaters

Definitions

  • the present invention relates to a device for draining condensation water in air conditioning units, particularly those used in residential, commercial or industrial buildings.
  • the invention relates to installation air conditioners, also known as stationary air conditioners, consisting of one or more internal units which are installed within the building, and of an external "motocondensing" unit installed outside the building.
  • air conditioners also known as stationary air conditioners
  • the internal unit substantially comprises an evaporation battery for a frigorific fluid, a fan and an electric and/or electronic card for the control of the air conditioner, housed within a supporting casing.
  • the external unit within a second supporting casing, are installed a compressor, a condensation battery for the frigorific fluid and a fan creating a forced ventilation through the condensation battery.
  • the external and internal units are connected one to the other by means of a double tube (usually made of copper and passing through suitable holes made in the wall of the building) conveying the frigorific fluid, and of a multiple electrical connection.
  • a double tube usually made of copper and passing through suitable holes made in the wall of the building
  • the frigorific fluid conveying the frigorific fluid
  • a multiple electrical connection As is known, a certain amount of condensation water is generated within the internal unit, on the evaporation battery, because of the removal of the latent heat from inside the building. Therefore, such condensate should be collected within a suitable tank and then conveyed into a suitable flexible draining tube for discharging outside the water generated within the internal unit. In order to drain the condensation water generated within the internal unit, whose flow rate is of some liters per hour, some solutions have been put forth.
  • a first method consists in taking the draining tube outside the building and then discharging water directly into the ground. This solution is quite simple to be carried out but disadvantageous because a large amount of water is going to be wasted outside the building. If the house is not provided with an adjacent garden or piece of ground, for instance within towns and cities, this feature cannot be taken into consideration since it causes the formation of troublesome water spots on the asphalt.
  • a third known technique provides for the connection of the condensate draining tube directly with the water draining pipes of the building.
  • This third solution disadvantageously requires complex and elaborate operations for the connection of the draining tube with said pipes during the installation of the air conditioning system.
  • Such problem is particularly relevant in case of installation of air conditioners in old buildings, since often pipes are not close to the conditioner installation spot and it is therefore necessary to break a part of the building walls in order to carry out the connection of the draining tube.
  • the technical aim underlying the present invention is to provide for a device for draining condensation water for air conditioners which is able to substantially overcome the disadvantages mentioned above.
  • a technical aim of the present invention is to provide for a device for draining condensation water for air conditioners which allows to drain automatically and effectively condensation water generated within the internal unit of the air conditioner.
  • Another aim of the present invention is to conceive a device for draining condensation water with a simple and fast installation.
  • a further aim of the present invention is to provide for a device for draining condensation water which allows to "recover" part of the energy absorbed by the air conditioner in order to take latent heat from the ambient, thus increasing the effectiveness of the refrigerating cycle.
  • a last aim of the present invention is to propose a device for draining condensation water which is simple and economic to be carried out.
  • a device for draining condensation water for air conditioners comprising at least an internal unit in which condensation water is generated and an external unit equipped at least with a condenser for the frigorific fluid and with a fan generating a forced air flow through the condenser, characterized in that it comprises a conveyor which puts into fluid communication the internal unit and the external unit so to convey the condensation water generated in the internal unit onto the condenser of the external unit.
  • the conveyor advantageously comprises at least a draining tube for condensation water connecting the internal unit with the external unit.
  • the conveyor preferably further comprises at least a pierced distributor operatively connected with the draining tube and arranged in the external unit on the condenser of the frigorific fluid, so as to distribute condensation water onto the condenser.
  • an installation air conditioner of type known per se is globally indicated with reference number 1.
  • the air conditioner 1 substantially comprises an internal unit 2 and an external or motocondensing unit 3, both installed in a building.
  • the internal unit is preferably mounted in a high position on a wall 4 of the building within an internal room to be conditioned 5 by means of suitable prop brackets.
  • the external unit 3 is installed outside the building and is typically connected operatively with the internal unit 2 by means of a forth conveying tube 6 for the frigorific fluid from the internal unit 2 to the external unit 3, a back conveying tube 6' for the frigorific fluid from the external unit 3 to the internal unit, and a multiple electrical connection 7 to operatively connect the internal unit 2 with the external unit 3.
  • the internal unit 2 comprises a frame 8 housing at least an evaporation battery or evaporator 9 for the frigorific fluid and an electrofan 10 for generating a forced air flow through the evaporation battery 9, as well as control electric and/or electronic means 11, all being known elements schematically represented in figure 1.
  • the external unit 3 comprises a supporting casing 12 housing at least a condensation battery or condenser 13 for the frigorific fluid, a compressor 14 for the frigorific fluid operatively connected with the condenser 13, and a fan 15 generating a forced air flow through the condenser 13.
  • the condenser 13 substantially consists of a radiator equipped with a plurality of cooling wings 16 promoting the heat exchange between the primary fluid, i.e. the frigorific fluid, and the secondary fluid, in this case the air blown by the fan 15.
  • the external unit 3 further comprises a series of conventional elements, such as the electric motor of the fan 15, an electronic unit control system and a plurality of connecting tubes, not shown in the attached figures for reasons of simplicity.
  • the device 17 comprises a conveyor 18 for conveying the condensation water generated within the internal unit 2 from said internal unit 2 as far as the condenser 13 of the external unit 3.
  • the conveyor 18 comprises a draining tube 19 getting out of the internal unit 2 and into the external unit 3 so as to convey the condensation water generated within the internal unit 2 as far as the condenser 13.
  • the conveyor 18 further comprises a distributor 18 which is operatively connected in an indirect way with the draining tube 19.
  • the distributor 20 is equipped in its lower portion with a plurality of small holes 21 and is arranged within the external unit above and on the condenser 13 of the frigorific fluid, in order to distribute condensation water onto said condenser 13.
  • the distributor 20 consists for instance of an elongated parallelepiped-shaped channel extending on the whole length of the condenser 13 so as to obtain a regular distribution of condensation water onto said condenser 13.
  • the distributor 20 can be equipped in its lower portion with an inclined diffusion wall 22 arranged above the condenser 13 and below the holes 21 of the distributor 20.
  • Such diffusion wall 22 breaks the water drops 23 coming from the holes 21 and allows to distribute onto the condenser 13 a uniform water film 24. It is thus possible to increase greatly the contact surface between the water and the condenser 13, thus promoting the evaporation of water and the subsequent cooling of the condenser 13.
  • the diffusion wall 22 is arranged on the air intake side within the condenser 13, and therefore on the side from which the forced air flow gets into the condenser, so that said forced air flow getting into the unit 3 draws the water film across the whole surface of the condenser 13. Thanks to this contrivance it is possible to further increase the contact surface between the water and the condenser 13. It should also be remembered that said forced air flow further promotes water evaporation.
  • the conveyor 18 further comprises a pump 25 operatively placed between the distributor 20 and the draining tube 19 and preferably housed within the casing 12.
  • a pump 25 operatively placed between the distributor 20 and the draining tube 19 and preferably housed within the casing 12.
  • some components of the conveyor 18, for instance the pump 25, are arranged outside the external unit 3.
  • the conveyor 18 further comprises a collection tank 27 arranged below the condenser 13 to collect the water distributed onto the condenser 13 by the distributor 20.
  • said tank 27 is obtained on the bottom of the casing 12.
  • the pump 25 is suitably connected operatively with the collection tank 27 so as to convey again the water collected by the tank 27 to the distributor and to make it re-circulate on the condenser 13 until its complete evaporation.
  • the draining tube 19 conveys the condensation water into the tank 27 from where the pump 25 sucks water and conveys it to the distributor 20 by means of a second tube 26.
  • said second tube 26 is represented getting into the central area of the distributor 20, but it could also get in on one of the ends of the distributor 20.
  • the draining tube 19 can be connected directly with the pump 25 or with the distributor 20, instead of the tank 27.
  • the external unit 3 is further advantageously equipped with a barrier 28 placed between the compressor 14 and the condenser 13 so as to protect the compressor 14 and the other internal components of the external unit 3 from the steam generated within the unit 3 by the device 17.
  • Figures 3 and 4 further show an arrow 29 indicating direction and sense of the forced air flow in the internal unit 3.
  • the condensation water generated by the internal unit 2 is conveyed by means of the draining tube 19 and thanks to the inclination of said tube 19 as far as the tank 27 and then to the pump 25 within the external unit 3.
  • the pump 25 pushes water into the distributor 20, from where water falls through the holes 21 onto the diffusion wall 22 and is then distributed uniformly onto the condenser 13.
  • the air flow generated by the fan 15 passes through the condenser 13 and draws the water film onto the whole surface of said condenser 13.
  • the water which does not evaporate in the first passage on the condenser 13 is collected in the tank 27 from where it is then sucked by the pump 25 and conveyed again to the distributor 20 for a new passage onto the condenser 13. It is thus possible to obtain a complete drainage by evaporation of the condensate generated in the internal unit 2, together with a drop of the operating temperature of the condenser 13 of the frigorific fluid within the external unit 3.
  • the invention has important advantages.
  • a device for draining condensation water for air conditioners enables an effective drainage of the condensation water generated by the internal unit, preventing its dispersion in the environment. Furthermore, a device for draining condensation water according to the present invention allows to simplify the installation of the air conditioner since it does not require any complex connections of the draining tube for condensation water with the draining system of the building. In the embodiment as mounting kit, with some elements placed outside the external unit, it is further possible to apply a device according to the present invention also to air conditioners which have already been installed.
  • the invention further allows to recover part of the energy used by the air conditioner to remove the latent heat from inside the building, thanks to the evaporation of the condensation water on the condensation battery of the frigorific fluid in the external unit.
  • the invention therefore allows to save 10-15% of energy in terms of absorption of electric energy and to obtain a related increase of the absolute yield of the refrigerating cycle of the air conditioner. Finally, it should be noted that the invention is simple to be carried out and quite cheap.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Physical Water Treatments (AREA)
EP02425107A 2001-03-20 2002-02-27 Dispositif de drainage des eaux de condensation dans un dispositif de conditionnement d'air Withdrawn EP1243865A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ITBS20010033 ITBS20010033U1 (it) 2001-03-20 2001-03-20 Dispositivo per smaltire l'acqua di condensazione in climatizzatori
ITBS010033U 2001-03-20

Publications (2)

Publication Number Publication Date
EP1243865A2 true EP1243865A2 (fr) 2002-09-25
EP1243865A3 EP1243865A3 (fr) 2003-07-23

Family

ID=11440698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02425107A Withdrawn EP1243865A3 (fr) 2001-03-20 2002-02-27 Dispositif de drainage des eaux de condensation dans un dispositif de conditionnement d'air

Country Status (2)

Country Link
EP (1) EP1243865A3 (fr)
IT (1) ITBS20010033U1 (fr)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949581A (zh) * 2010-09-26 2011-01-19 史斌 一种无冷凝水空调换热器系统
CN102914039A (zh) * 2012-10-19 2013-02-06 苏州市时代工程咨询设计管理有限公司 冷凝水再利用装置
CN102997394A (zh) * 2013-01-06 2013-03-27 臧建彬 一种优化设计的新型空冷机组系统
CN103900165A (zh) * 2014-04-25 2014-07-02 杨建宁 分体式空调机组中的凝结水潜热利用装置
CN106288034A (zh) * 2016-09-07 2017-01-04 珠海格力电器股份有限公司 室外机换热辅助装置、空调系统及室外机换热方法
CN107477836A (zh) * 2017-09-06 2017-12-15 珠海格力电器股份有限公司 分水器及使用其的空调器
CN107477713A (zh) * 2017-08-14 2017-12-15 珠海格力电器股份有限公司 分水装置及空调
JP2019086257A (ja) * 2017-11-09 2019-06-06 株式会社竹中工務店 外気処理装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107576050B (zh) * 2017-10-24 2023-07-14 高风东 一种冷凝水循环系统及其空调

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09287761A (ja) * 1996-04-19 1997-11-04 Calsonic Corp 空気調和装置
JPH10141807A (ja) * 1996-11-06 1998-05-29 Toho Gas Co Ltd 空冷式放熱装置
JPH10246459A (ja) * 1997-03-05 1998-09-14 Calsonic Corp 空気調和装置
JP2000074411A (ja) * 1998-08-25 2000-03-14 Taisei Corp 空気調和機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09287761A (ja) * 1996-04-19 1997-11-04 Calsonic Corp 空気調和装置
JPH10141807A (ja) * 1996-11-06 1998-05-29 Toho Gas Co Ltd 空冷式放熱装置
JPH10246459A (ja) * 1997-03-05 1998-09-14 Calsonic Corp 空気調和装置
JP2000074411A (ja) * 1998-08-25 2000-03-14 Taisei Corp 空気調和機

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03, 27 February 1998 (1998-02-27) -& JP 09 287761 A (CALSONIC CORP), 4 November 1997 (1997-11-04) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 10, 31 August 1998 (1998-08-31) -& JP 10 141807 A (TOHO GAS CO LTD), 29 May 1998 (1998-05-29) *
PATENT ABSTRACTS OF JAPAN vol. 1998, no. 14, 31 December 1998 (1998-12-31) -& JP 10 246459 A (CALSONIC CORP), 14 September 1998 (1998-09-14) *
PATENT ABSTRACTS OF JAPAN vol. 2000, no. 06, 22 September 2000 (2000-09-22) -& JP 2000 074411 A (TAISEI CORP), 14 March 2000 (2000-03-14) *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101949581A (zh) * 2010-09-26 2011-01-19 史斌 一种无冷凝水空调换热器系统
CN102914039A (zh) * 2012-10-19 2013-02-06 苏州市时代工程咨询设计管理有限公司 冷凝水再利用装置
CN102997394A (zh) * 2013-01-06 2013-03-27 臧建彬 一种优化设计的新型空冷机组系统
CN102997394B (zh) * 2013-01-06 2015-03-18 臧建彬 一种优化设计的新型空冷机组系统
CN103900165A (zh) * 2014-04-25 2014-07-02 杨建宁 分体式空调机组中的凝结水潜热利用装置
CN106288034A (zh) * 2016-09-07 2017-01-04 珠海格力电器股份有限公司 室外机换热辅助装置、空调系统及室外机换热方法
CN107477713A (zh) * 2017-08-14 2017-12-15 珠海格力电器股份有限公司 分水装置及空调
CN107477713B (zh) * 2017-08-14 2023-06-30 珠海格力电器股份有限公司 分水装置及空调
CN107477836A (zh) * 2017-09-06 2017-12-15 珠海格力电器股份有限公司 分水器及使用其的空调器
CN107477836B (zh) * 2017-09-06 2023-05-30 珠海格力电器股份有限公司 分水器及使用其的空调器
JP2019086257A (ja) * 2017-11-09 2019-06-06 株式会社竹中工務店 外気処理装置

Also Published As

Publication number Publication date
EP1243865A3 (fr) 2003-07-23
ITBS20010033U1 (it) 2002-09-20

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