SG11201909766SA - Air conditioning system with reduced mould growth conditions - Google Patents

Air conditioning system with reduced mould growth conditions

Info

Publication number
SG11201909766SA
SG11201909766SA SG11201909766SA SG11201909766SA SG 11201909766S A SG11201909766S A SG 11201909766SA SG 11201909766S A SG11201909766S A SG 11201909766SA SG 11201909766S A SG11201909766S A SG 11201909766SA
Authority
SG
Singapore
Prior art keywords
air
conditioned space
relative humidity
treated
outdoor air
Prior art date
Application number
Inventor
Peter Phillips
Original Assignee
Smac Tech Pty 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
Priority claimed from AU2017901470A external-priority patent/AU2017901470A0/en
Application filed by Smac Tech Pty Ltd filed Critical Smac Tech Pty Ltd
Publication of SG11201909766SA publication Critical patent/SG11201909766SA/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F3/147—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification with both heat and humidity transfer between supplied and exhausted air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/0008—Control or safety arrangements for air-humidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00—Use of energy recovery systems in air conditioning, ventilation or screening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/001—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems in which the air treatment in the central station takes place by means of a heat-pump or by means of a reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • F24F3/048—Systems in which all treatment is given in the central station, i.e. all-air systems with temperature control at constant rate of air-flow
    • F24F3/052—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • F24F2110/22—Humidity of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2203/00—Devices or apparatus used for air treatment
    • F24F2203/02—System or Device comprising a heat pump as a subsystem, e.g. combined with humidification/dehumidification, heating, natural energy or with hybrid system
    • F24F2203/021—Compression cycle
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/56—Heat recovery units

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Sorption Type Refrigeration Machines (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

Rs I A N BMS Y 10 11 rYf w N 12 ;,.] 13 E j N (12) INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 25 October 2018 (25.10.2018) WIP0 I PCT °mono n o VIII VIII How Boil iflo VII IE (10) International Publication Number WO 2018/191781 Al (51) International Patent Classification: F24F 3/00 (2006.01) F24F 3/052 (2006.01) F24F 12/00 (2006.01) (21) International Application Number: PCT/AU2018/050350 (22) International Filing Date: 19 April 2018 (19.04.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 2017901470 21 April 2017 (21.04.2017) AU (71) Applicant: SMAC TECHNOLOGIES PTY LTD [AU/AU]; 107 King William Street, Kent Town, South Aus- tralia 5067 (AU). (72) Inventor: PHILLIPS, Peter, George; 5 Church Street, Carrick, Tasmania 7291 (AU). (74) Agent: PHILLIPS ORMONDE FITZPATRICK; Level 16, 333 Collins Street, Melbourne, Victoria 3000 (AU). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, (54) Title: AIR CONDITIONING SYSTEM WITH REDUCED MOULD GROWTH CONDITIONS Figure 1 (57) : An air conditioning system that is capable of treating a conditioned space by treating outdoor air from outside the conditioned space and return air from inside the conditioned space, and mixing the treated outdoor air with the treated return air to form supply air for the conditioned space, the air conditioning system including: an outdoor air latent cooling treatment stage configured to provide parallel airflow with a return air sensible cooling treatment stage; a mixer for mixing the treated outdoor air with the treated return air to form the conditioned space supply air; a first relative humidity controller capable of monitoring the treated outdoor air relative humidity and separating the treated outdoor air from saturation to maintain relative humidity in treated outdoor air ducting below a predetermined mould growth limit; and a second relative humidity controller capable of monitoring the conditioned space supply air relative humidity and separating the conditioned space supply air from saturation to maintain relative humidity in conditioned space supply air ducting below a predetermined mould growth limit; wherein the outdoor air latent cooling treatment stage includes at least a dehumidification heat exchanger, combination pre-cooling and heat reclaim heat exchangers, and a heat transfer pump, and the return air sensible cooling treatment stage includes at least a sensible cooling heat exchanger. [Continued on next page] WO 2018/191781 Al MIDEDIMOM0101011EFEMOMOICROINIERHIMOVOIMIE MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))
SG11201909766S 2017-04-21 2018-04-19 Air conditioning system with reduced mould growth conditions SG11201909766SA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU2017901470A AU2017901470A0 (en) 2017-04-21 Air conditioning system with reduced mould growth conditions
PCT/AU2018/050350 WO2018191781A1 (en) 2017-04-21 2018-04-19 Air conditioning system with reduced mould growth conditions

Publications (1)

Publication Number Publication Date
SG11201909766SA true SG11201909766SA (en) 2019-11-28

Family

ID=63855457

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11201909766S SG11201909766SA (en) 2017-04-21 2018-04-19 Air conditioning system with reduced mould growth conditions

Country Status (5)

Country Link
US (1) US11326795B2 (en)
CN (1) CN110799791B (en)
AU (1) AU2018255508B2 (en)
SG (1) SG11201909766SA (en)
WO (1) WO2018191781A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11441797B1 (en) * 2019-09-04 2022-09-13 Altaire Systems LLC Systems and methods for commercial airstream pretreatment
CN112254267B (en) * 2020-10-12 2022-03-29 青岛海尔空调器有限总公司 Control method and control device of air conditioner and air conditioner

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4834285A (en) * 1987-03-13 1989-05-30 Canadian Gas Research Institute Heating and ventilating system
US5802862A (en) * 1991-11-12 1998-09-08 Eiermann; Kenneth L. Method and apparatus for latent heat extraction with cooling coil freeze protection and complete recovery of heat of rejection in Dx systems
US5309725A (en) * 1993-07-06 1994-05-10 Cayce James L System and method for high-efficiency air cooling and dehumidification
AUPO783697A0 (en) * 1997-07-10 1997-07-31 Shaw, Allan A low energy high performance variable coolant temperature air conditioning system
DE10027467A1 (en) * 2000-06-02 2001-12-06 Inst Luft Kaeltetech Gem Gmbh Air conditioning in hot-and-humid and hot climatic regions involves using rapidly running absorption exchanger to reduce enthalpy and hence cooling and dehumidification of feed air
WO2008061297A1 (en) * 2006-11-20 2008-05-29 Smac Technologies Pty Ltd Improved air conditioning system
US8564924B1 (en) * 2008-10-14 2013-10-22 Global Plasma Solutions, Llc Systems and methods of air treatment using bipolar ionization
US10126005B1 (en) * 2010-01-19 2018-11-13 William S. Carson, Sr. Air conditioning system
JP5185319B2 (en) * 2010-05-14 2013-04-17 株式会社東芝 Air conditioning system and air conditioning control method for server room management
US8725300B2 (en) * 2011-07-08 2014-05-13 Aircuity, Inc. Methods and apparatus for differential energy based airside economizer changeover
JP2013104639A (en) * 2011-11-16 2013-05-30 Toshiba Corp Air conditioning system and air conditioning control method for server room management
FR3011624B1 (en) * 2013-10-09 2017-12-22 Commissariat Energie Atomique SYSTEM AND METHOD FOR PROCESSING AND CONDITIONING AIR
US10488059B2 (en) * 2014-09-01 2019-11-26 Smac Technologies Pty Ltd Direct expansion air conditioning system with separate outdoor air latent cooling and return air sensible cooling arrangements
CN205957353U (en) * 2015-08-29 2017-02-15 刘雄 Air treatment device
CN205747186U (en) * 2016-04-28 2016-11-30 广东美的暖通设备有限公司 Air treatment system
US11280511B2 (en) * 2016-09-02 2022-03-22 Johnson Controls Technology Company Systems and methods for evaporative heat rejection equipment fan speed control

Also Published As

Publication number Publication date
AU2018255508A1 (en) 2019-11-14
WO2018191781A1 (en) 2018-10-25
US11326795B2 (en) 2022-05-10
US20200191422A1 (en) 2020-06-18
CN110799791A (en) 2020-02-14
AU2018255508B2 (en) 2023-05-11
CN110799791B (en) 2022-04-26

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