BR0214803A - Sistema de volume de ar variável (vav) de alto rendimento com controle de ventilação zonal - Google Patents

Sistema de volume de ar variável (vav) de alto rendimento com controle de ventilação zonal

Info

Publication number
BR0214803A
BR0214803A BR0214803-0A BR0214803A BR0214803A BR 0214803 A BR0214803 A BR 0214803A BR 0214803 A BR0214803 A BR 0214803A BR 0214803 A BR0214803 A BR 0214803A
Authority
BR
Brazil
Prior art keywords
ventilation
air
air volume
vav
duct
Prior art date
Application number
BR0214803-0A
Other languages
English (en)
Inventor
Chandra Sekhar Bontu
Kwok Wai Tham
Kok Wai David Cheong
Nyuk Hien Wong
Original Assignee
Nat University Singapore
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 Nat University Singapore filed Critical Nat University Singapore
Publication of BR0214803A publication Critical patent/BR0214803A/pt

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
    • F24F3/044—Systems in which all treatment is given in the central station, i.e. all-air systems
    • F24F3/0442—Systems in which all treatment is given in the central station, i.e. all-air systems with volume control at a constant temperature
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • 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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/46—Improving electric energy efficiency or saving
    • 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
    • F24F11/77—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 by controlling the speed of ventilators
    • 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
    • F24F2110/50—Air quality properties
    • F24F2110/65—Concentration of specific substances or contaminants
    • F24F2110/70—Carbon dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • 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]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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)
  • Central Air Conditioning (AREA)

Abstract

"SISTEMA DE VOLUME DE AR VARIáVEL (VAV) DE ALTO RENDIMENTO COM CONTROLE DE VENTILAçãO ZONAL". A invenção refere-se a um sistema de ventilação e condicionamento de ar que utiliza um primeiro sistema de volume de ar variável para resfriar e desumidificar ar fresco externo e fornecê-lo através de um primeiro duto para uma caixa de mistura localizada a jusante. O sistema ainda utiliza um segundo sistema de volume de ar variável para adicionalmente resfriar e desumidificar ar reciclado e fornecê-lo através de um segundo duto para a caixa de mistura onde o ar fresco e reciclado são capazes de misturar antes de ventilar para uma sala ou escritório. O sistema utiliza um sensor de dióxido de carbono e um sensor de temperatura para prover sinais de retorno para um sistema de controle, o qual por sua vez regula as velocidades dos ventiladores e as aberturas dos registros de modo a prover um ótimo resfriamento e ventilação e conservar energia quando as necessidades de resfriamento e de ventilação são baixas.
BR0214803-0A 2001-11-30 2002-11-29 Sistema de volume de ar variável (vav) de alto rendimento com controle de ventilação zonal BR0214803A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US33410401P 2001-11-30 2001-11-30
PCT/SG2002/000281 WO2003046445A1 (en) 2001-11-30 2002-11-29 Energy-efficient variable-air volume (vav) system with zonal ventilation control

Publications (1)

Publication Number Publication Date
BR0214803A true BR0214803A (pt) 2004-09-14

Family

ID=23305589

Family Applications (1)

Application Number Title Priority Date Filing Date
BR0214803-0A BR0214803A (pt) 2001-11-30 2002-11-29 Sistema de volume de ar variável (vav) de alto rendimento com controle de ventilação zonal

Country Status (6)

Country Link
US (1) US6698219B2 (pt)
CN (1) CN100337068C (pt)
AU (1) AU2002365546B2 (pt)
BR (1) BR0214803A (pt)
HK (1) HK1071927A1 (pt)
WO (1) WO2003046445A1 (pt)

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Also Published As

Publication number Publication date
CN1610807A (zh) 2005-04-27
HK1071927A1 (en) 2005-08-05
AU2002365546B2 (en) 2008-05-29
CN100337068C (zh) 2007-09-12
WO2003046445A1 (en) 2003-06-05
US20030146289A1 (en) 2003-08-07
US6698219B2 (en) 2004-03-02
AU2002365546A1 (en) 2003-06-10

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2156 DE 02/05/2012.

B15K Others concerning applications: alteration of classification

Ipc: F24F 3/044 (2006.01), F24F 11/30 (2018.01), F24F 1