EP3961120A4 - Humidity control unit and humidity control system - Google Patents

Humidity control unit and humidity control system Download PDF

Info

Publication number
EP3961120A4
EP3961120A4 EP20822731.4A EP20822731A EP3961120A4 EP 3961120 A4 EP3961120 A4 EP 3961120A4 EP 20822731 A EP20822731 A EP 20822731A EP 3961120 A4 EP3961120 A4 EP 3961120A4
Authority
EP
European Patent Office
Prior art keywords
humidity control
control unit
control system
humidity
unit
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.)
Granted
Application number
EP20822731.4A
Other languages
German (de)
French (fr)
Other versions
EP3961120B1 (en
EP3961120A1 (en
Inventor
Takeshi Arakawa
Yu Jiang
Takayuki Sunayama
Eisaku Okubo
Takashi Takahashi
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.)
Daikin Industries Ltd
Original Assignee
Daikin Industries 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 Daikin Industries Ltd filed Critical Daikin Industries Ltd
Publication of EP3961120A1 publication Critical patent/EP3961120A1/en
Publication of EP3961120A4 publication Critical patent/EP3961120A4/en
Application granted granted Critical
Publication of EP3961120B1 publication Critical patent/EP3961120B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • 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
    • F24F11/79—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling the direction of the supplied 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
    • F24F11/89—Arrangement or mounting of control or safety devices
    • 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
    • F24F13/08—Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • F24F13/10—Air-flow control members, e.g. louvres, grilles, flaps or guide plates movable, e.g. dampers
    • 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
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • 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
    • F24F3/1411—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 by absorbing or adsorbing water, e.g. using an hygroscopic desiccant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/04—Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/065—Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit fan combined with single duct; mounting arrangements of a fan in a duct
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F2007/005—Cyclic ventilation, e.g. alternating air supply volume or reversing flow direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Central Air Conditioning (AREA)
  • Air Conditioning Control Device (AREA)
EP20822731.4A 2019-06-10 2020-05-19 Humidity control unit and humidity control system Active EP3961120B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019107782A JP2020200985A (en) 2019-06-10 2019-06-10 Humidity control unit and humidity control system
PCT/JP2020/019798 WO2020250629A1 (en) 2019-06-10 2020-05-19 Humidity control unit and humidity control system

Publications (3)

Publication Number Publication Date
EP3961120A1 EP3961120A1 (en) 2022-03-02
EP3961120A4 true EP3961120A4 (en) 2023-01-04
EP3961120B1 EP3961120B1 (en) 2024-09-11

Family

ID=73742665

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20822731.4A Active EP3961120B1 (en) 2019-06-10 2020-05-19 Humidity control unit and humidity control system

Country Status (6)

Country Link
US (1) US20220074608A1 (en)
EP (1) EP3961120B1 (en)
JP (1) JP2020200985A (en)
CN (1) CN113874660A (en)
SG (1) SG11202112648TA (en)
WO (1) WO2020250629A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118401789A (en) 2021-12-17 2024-07-26 大金工业株式会社 Air conditioning system and air conditioning control device
WO2024004319A1 (en) * 2022-06-27 2024-01-04 シャープ株式会社 Total heat exchanger and ventilator

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364942B1 (en) * 2000-03-06 2002-04-02 Honeywell International Inc. Dehumidifier using non-rotating desiccant material
JP2010249485A (en) * 2009-03-24 2010-11-04 Mitsubishi Electric Corp Air conditioner and air conditioning system
JP2011043311A (en) * 2009-08-24 2011-03-03 Okayama Eco Energy Gijutsu Kenkyusho:Kk Advanced humidity control system and method of operating the same
JP2011177657A (en) * 2010-03-02 2011-09-15 Toyota Industries Corp Dehumidifying device
US20130213079A1 (en) * 2010-12-22 2013-08-22 Mitsubishi Electric Corporation Air-conditioning system and humidity control device
EP2918927A1 (en) * 2012-10-10 2015-09-16 Daikin Industries, Ltd. Humidity control and ventilation device
WO2016065394A1 (en) * 2014-10-27 2016-05-06 Intex Holdings Pty Ltd Dehumidification system and method
JP2016142448A (en) * 2015-02-02 2016-08-08 パナソニックＩｐマネジメント株式会社 Fan filter unit system
JP2018035984A (en) * 2016-08-30 2018-03-08 三菱電機株式会社 Air cleaning system

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS525945A (en) * 1975-07-04 1977-01-18 Hitachi Ltd Wind fan and dehumidifier in one
JPH07275640A (en) * 1993-05-10 1995-10-24 Berner Erling Air dehumidifier
CA2265067A1 (en) * 1998-03-09 1999-09-09 Grant Reuter Module-controlled building drying system and process
TW564770U (en) * 2000-08-17 2003-12-01 Daikin Ind Ltd Dehumidifying device and a device for dehumidifying local space
JP2003106613A (en) * 2001-09-28 2003-04-09 Fujitsu General Ltd Air conditioner
DE10220631A1 (en) * 2002-05-10 2003-11-20 Loeffler Michael Process for sorption air conditioning with process control in a heat exchanger
JP4328942B2 (en) * 2003-04-21 2009-09-09 株式会社富士通ゼネラル Air conditioner
JP4569150B2 (en) 2004-03-31 2010-10-27 ダイキン工業株式会社 Humidity control device
JP5018402B2 (en) * 2007-10-31 2012-09-05 ダイキン工業株式会社 Humidity control device
CN201527055U (en) * 2009-10-23 2010-07-14 清华大学 Air handling device with natural heat supply and humidity control
JP5229368B2 (en) * 2011-09-29 2013-07-03 ダイキン工業株式会社 Humidity control device
AU2013387943B2 (en) * 2013-04-24 2016-04-21 Mitsubishi Electric Corporation Dehumidifier
EP2990093B1 (en) * 2013-04-24 2018-03-28 Mitsubishi Electric Corporation Dehumidifying device
JP6394521B2 (en) * 2014-08-21 2018-09-26 株式会社デンソー Humidifier
CN106659965A (en) * 2014-09-26 2017-05-10 三菱电机株式会社 Dehumidifying device
CN106678992A (en) * 2017-03-08 2017-05-17 孙金鹏 Intelligent fresh and return air volume adjusting type air purifier
CN109140707B (en) * 2018-07-19 2019-12-20 珠海格力电器股份有限公司 Air conditioner self-cleaning method and system and air conditioner

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6364942B1 (en) * 2000-03-06 2002-04-02 Honeywell International Inc. Dehumidifier using non-rotating desiccant material
JP2010249485A (en) * 2009-03-24 2010-11-04 Mitsubishi Electric Corp Air conditioner and air conditioning system
JP2011043311A (en) * 2009-08-24 2011-03-03 Okayama Eco Energy Gijutsu Kenkyusho:Kk Advanced humidity control system and method of operating the same
JP2011177657A (en) * 2010-03-02 2011-09-15 Toyota Industries Corp Dehumidifying device
US20130213079A1 (en) * 2010-12-22 2013-08-22 Mitsubishi Electric Corporation Air-conditioning system and humidity control device
EP2918927A1 (en) * 2012-10-10 2015-09-16 Daikin Industries, Ltd. Humidity control and ventilation device
WO2016065394A1 (en) * 2014-10-27 2016-05-06 Intex Holdings Pty Ltd Dehumidification system and method
JP2016142448A (en) * 2015-02-02 2016-08-08 パナソニックＩｐマネジメント株式会社 Fan filter unit system
JP2018035984A (en) * 2016-08-30 2018-03-08 三菱電機株式会社 Air cleaning system

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020250629A1 *

Also Published As

Publication number Publication date
EP3961120B1 (en) 2024-09-11
US20220074608A1 (en) 2022-03-10
EP3961120A1 (en) 2022-03-02
JP2020200985A (en) 2020-12-17
SG11202112648TA (en) 2021-12-30
CN113874660A (en) 2021-12-31
WO2020250629A1 (en) 2020-12-17

Similar Documents

Publication Publication Date Title
EP3714217A4 (en) Relative humidity control systems and methods
EP3848644A4 (en) Ventilation control apparatus and ventilation system
EP3995910A4 (en) Control system
EP4050436A4 (en) Control device and distributed control system
EP4049906A4 (en) Sensor system and sensor unit
EP3835902A4 (en) Control system and control device
EP3915883A4 (en) Spacecraft and control system
EP3717835A4 (en) Humidity control unit and method
EP3919832A4 (en) Environment control system and environment control method
EP3936888A4 (en) Control circuit and ranging system
EP3940474A4 (en) Control system
EP3938017A4 (en) Oxygen monitoring and control system
EP3985318A4 (en) Air-conditioning control device and air-conditioning control system
EP3940708A4 (en) Environment control system
EP4035829A4 (en) Control system
EP3982222A4 (en) Control system and control method
EP3882727A4 (en) Control system and control device
EP3851925A4 (en) Control system and control device
EP3961120A4 (en) Humidity control unit and humidity control system
EP4083726A4 (en) Control system
EP3940469A4 (en) Control device and control system
EP4003673A4 (en) Systems and methods for safety-enabled control
EP3810308A4 (en) Humidity control system
EP3982212A4 (en) Control system
EP4020104A4 (en) Control system, control device, and program

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20211123

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20221205

RIC1 Information provided on ipc code assigned before grant

Ipc: F24F 7/00 20210101ALI20221129BHEP

Ipc: F24F 13/10 20060101ALI20221129BHEP

Ipc: F24F 7/06 20060101ALI20221129BHEP

Ipc: F24F 11/79 20180101ALI20221129BHEP

Ipc: F24F 7/013 20060101ALI20221129BHEP

Ipc: F24F 3/14 20060101ALI20221129BHEP

Ipc: F24F 11/65 20180101AFI20221129BHEP

RAP3 Party data changed (applicant data changed or rights of an application transferred)

Owner name: DAIKIN INDUSTRIES, LTD.

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230525

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240320

RIN1 Information on inventor provided before grant (corrected)

Inventor name: TAKAHASHI, TAKASHI

Inventor name: OKUBO, EISAKU

Inventor name: SUNAYAMA, TAKAYUKI

Inventor name: JIANG, YU

Inventor name: ARAKAWA, TAKESHI

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

INTG Intention to grant announced

Effective date: 20240503

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 602020037658

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D