FI4030117T3 - Outdoor unit and refrigeration cycle device - Google Patents

Outdoor unit and refrigeration cycle device Download PDF

Info

Publication number
FI4030117T3
FI4030117T3 FIEP19944984.4T FI19944984T FI4030117T3 FI 4030117 T3 FI4030117 T3 FI 4030117T3 FI 19944984 T FI19944984 T FI 19944984T FI 4030117 T3 FI4030117 T3 FI 4030117T3
Authority
FI
Finland
Prior art keywords
flow path
outdoor unit
coolant
compensator
compressor
Prior art date
Application number
FIEP19944984.4T
Other languages
Finnish (fi)
Inventor
Tomotaka Ishikawa
Yusuke Arii
Motoshi Hayasaka
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of FI4030117T3 publication Critical patent/FI4030117T3/en

Links

Classifications

    • 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or 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
    • 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
    • F25B2400/04—Refrigeration circuit bypassing means
    • F25B2400/0411—Refrigeration circuit bypassing means for the expansion valve or capillary tube
    • 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
    • F25B2400/13—Economisers
    • 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
    • F25B2400/23—Separators
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2501—Bypass valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2515—Flow valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2519—On-off valves
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Claims (7)

PatenttivaatimuksetPatent Claims 1. Jäähdytyskiertolaitteiston (1) ulkoyksikkö (2), jossa ulkoyksikkö (2) on liitettävissä kuormalaitteeseen (3) sisältäen ensimmäisen kompensaattorin (50) ja evaporaattorin (60), jossa ulkoyksikkö (2) käsittää: jäähdytysaineen ulostuloaukon (PO2) ja jäähdytysaineen sisääntulo- aukon (P12) kuormalaitteen (3) liittämiseksi; ensimmäisen virtaustien (F1), joka on virtaustie jäähdytysaineen si- sääntuloaukosta (P12) jäähdytysaineen ulostuloaukkoon (PO2), joka ensimmäinen virtaustie (F1) on konfiguroitu muodostamaan yhdessä kuormalaitteen (3) kanssa —kiertovirtaustien, jonka kautta jäähdytysaine kiertää; kompressorin (10), jäähdyttimen (20), ja toisen kompensaattorin (40) sijoitettuna ensimmäiseen virtaustiehen (F1); toisen virtaustien (F2), joka on konfiguroitu haarautumaan ensimmäi- sen virtaustien (F1) jäähdyttimen (20) ja toisen kompensaattorin (40) välisestä osuudesta, ja palauttamaan kompressoriin (10) jäähdytysaine, joka on kulkenut jäähdyttimen (20) läpi; ja kolmannen kompensaattorin (71) ja säiliön (73) sijoitettuna toiseen virtaustiehen (F2) haarautumakohdasta, jossa toinen virtaustie (F2) on haarautu- nut ensimmäisestä virtaustiestä (F1), tunnettu siitä, että se lisäksi käsittää; kolmannen virtaustien (F3), joka on konfiguroitu yhdistämään ensim- mäisen virtaustien (F1) toisen jäähdytyslaitteen (40) ja jäähdytysaineen ulostulo- aukon (PO2) välinen osuus säiliön (73) jäähdytysaineen sisääntuloaukkoon; ja kaksiasentoventtiilin (78) sijoitettuna kolmanteen virtaustiehen (F3).1. The outdoor unit (2) of the cooling circuit equipment (1), where the outdoor unit (2) can be connected to the loading device (3) including the first compensator (50) and the evaporator (60), where the outdoor unit (2) comprises: a coolant outlet (PO2) and a coolant inlet opening (P12) for connecting the loading device (3); of the first flow path (F1), which is a flow path from the coolant inlet (P12) to the coolant outlet (PO2), which the first flow path (F1) is configured to form together with the loading device (3)—a circulating flow path through which the coolant circulates; a compressor (10), a cooler (20), and a second compensator (40) placed in the first flow path (F1); a second flow path (F2) configured to branch from the section between the cooler (20) and the second compensator (40) of the first flow path (F1) and to return to the compressor (10) the refrigerant that has passed through the cooler (20); and the third compensator (71) and tank (73) placed in the second flow path (F2) at the branching point, where the second flow path (F2) has branched from the first flow path (F1), characterized in that it further comprises; a third flow path (F3) configured to connect the portion of the first flow path (F1) between the second cooling device (40) and the coolant outlet (PO2) to the coolant inlet of the container (73); and the two-position valve (78) placed in the third flow path (F3). 2. Patenttivaatimuksen 1 mukainen ulkoyksikkö, jossa kaksiasento- venttiili (78) on konfiguroitu aukaistavaksi, kun paine ensimmäisen virtaustien (F1) toisen jäähdytyslaitteen (40) ja jäähdytysaineen ulostuloaukon (PO2) väli- sessä osuudessa ylittää raja-arvon.2. Outdoor unit according to claim 1, in which the two-position valve (78) is configured to open when the pressure in the section of the first flow path (F1) between the second cooling device (40) and the coolant outlet (PO2) exceeds the limit value. 3. Patenttivaatimuksen 1 mukainen ulkoyksikkö, joka lisäksi käsittää virtaaman säätöventtiilin (72), sijoitettuna toiseen virtaustiehen (F2) ja konfigu- roituna säätämään nestemäisen jäähdytysaineen poiston virtaamaa säiliöstä (73).3. An outdoor unit according to claim 1, which additionally comprises a flow control valve (72), placed in the second flow path (F2) and configured to adjust the flow of the liquid cooling medium from the tank (73). 4. Patenttivaatimuksen 3 mukainen ulkoyksikkö, käsittäen lisäksi läm- mönvaihtimen (30), jossa on ensimmäinen kanava (H1) ja toinen kanava (H2), ja joka on konfiguroitu vaihtamaan lämpöä ensimmäisessä kanavassa (H1) virtaavan jäähdytysaineen, ja toisessa kanavassa (H2) virtaavan jäähdytysaineen kesken, jossa lämmönvaihtimen (30) ensimmäinen kanava (H1) on sijoitettu jäähdyt- timen (20) ja ensimmäisen virtaustien (F1) haarautumakohdan väliin, ja lämmönvaihtimen (30) toinen kanava (H2) on sijoitettu toisen virtaus- tien (F2) virtaaman säätöventtiilin (72) ja kompressorin (10) väliin,4. The outdoor unit according to claim 3, further comprising a heat exchanger (30) with a first channel (H1) and a second channel (H2), and which is configured to exchange heat with the coolant flowing in the first channel (H1), and in the second channel (H2) between the flowing coolant, where the first channel (H1) of the heat exchanger (30) is placed between the cooler (20) and the bifurcation point of the first flow path (F1), and the second channel (H2) of the heat exchanger (30) is placed between the second flow path (F2) between the flow control valve (72) and the compressor (10), 5. Patenttivaatimuksen 1 mukainen ulkoyksikkö, jossa kompressorissa (10) on purkausaukko (G2), imuaukko (G1), ja välipai- neaukko (G3), ulkoyksikkö (2) käsittää lisäksi virtaustien kytkentäyksikön (74), kon- figuroituna kytkemään toisen virtaustien (F2) läpi menneen jäähdytysaineen koh- teeksi yhden välipaineaukosta (G3) ja imuaukosta (G1), ja virtaustien kytkentäyksikkö (74) on konfiguroitu valitsemaan imu- aukko (G1) kohteeksi kun paine ensimmäisen virtaustien (F1) osuudesta, joka on alavirtaan toisesta kompensaattorista (40) tulee matalammaksi kuin säiliössä (73) oleva paine.5. The outdoor unit according to claim 1, where the compressor (10) has a discharge opening (G2), a suction opening (G1), and an intermediate pressure opening (G3), the outdoor unit (2) additionally comprises a flow path switching unit (74), configured to switch the second flow path ( F2) as the destination of the coolant that has passed through one of the intermediate pressure port (G3) and the suction port (G1), and the flow path switching unit (74) is configured to select the suction port (G1) as the target when the pressure from the portion of the first flow path (F1) that is downstream from the second compensator ( 40) becomes lower than the pressure in the tank (73). 6. Patenttivaatimuksen 1 mukainen ulkoyksikkö, käsittäen lisäksi: paineanturin (112) konfiguroituna havaitsemaan paine ensimmäisen virtaustien (F1) osuudessa, joka on alavirtaan toisesta kompensaattorista (40); ja ohjain (100) konfiguroituna ohjaamaan kompressoria (10) ja kaksi- asentoventtiiliä (78), jossa kun paineanturin (112) havaintoarvo vaihtuu tilasta, jossa havainto- arvo on matalampi kuin raja-arvo, tilaan, jossa havaintoarvo on korkeampi kuin raja-arvo, ohjain (100) on konfiguroitu avaamaan kaksiasentoventtiili (78) ja las- kemaan kompressorin (10) pyörintänopeutta.6. The outdoor unit according to claim 1, further comprising: a pressure sensor (112) configured to detect the pressure in the portion of the first flow path (F1) that is downstream from the second compensator (40); and the controller (100) configured to control the compressor (10) and the two-position valve (78), where when the detection value of the pressure sensor (112) changes from a state where the detection value is lower than the limit value to a state where the detection value is higher than the limit value , the controller (100) is configured to open the two-position valve (78) and calculate the rotational speed of the compressor (10). 7. Jäähdytyskiertolaitteisto (1) käsittäen: minkä tahansa patenttivaatimuksen 1-6 mukaisen ulkoyksikön (2); ja kuormayksikön (3).7. Refrigeration circulation equipment (1) comprising: an outdoor unit (2) according to any one of claims 1-6; and load unit (3).
FIEP19944984.4T 2019-09-09 2019-09-09 Outdoor unit and refrigeration cycle device FI4030117T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2019/035372 WO2021048900A1 (en) 2019-09-09 2019-09-09 Outdoor unit and refrigeration cycle device

Publications (1)

Publication Number Publication Date
FI4030117T3 true FI4030117T3 (en) 2023-12-14

Family

ID=74866223

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP19944984.4T FI4030117T3 (en) 2019-09-09 2019-09-09 Outdoor unit and refrigeration cycle device

Country Status (7)

Country Link
EP (1) EP4030117B1 (en)
JP (1) JP7195449B2 (en)
CN (1) CN114364929B (en)
DK (1) DK4030117T3 (en)
ES (1) ES2967450T3 (en)
FI (1) FI4030117T3 (en)
WO (1) WO2021048900A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2024023988A1 (en) * 2022-07-27 2024-02-01 三菱電機株式会社 Refrigeration cycle device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4734161B2 (en) * 2006-04-19 2011-07-27 日立アプライアンス株式会社 Refrigeration cycle apparatus and air conditioner
JP4920432B2 (en) * 2007-01-23 2012-04-18 三菱電機株式会社 Air conditioning system
JP4687710B2 (en) 2007-12-27 2011-05-25 三菱電機株式会社 Refrigeration equipment
JP2010127531A (en) * 2008-11-27 2010-06-10 Mitsubishi Electric Corp Refrigeration air conditioner
JP5500240B2 (en) 2012-05-23 2014-05-21 ダイキン工業株式会社 Refrigeration equipment
JP6112388B2 (en) 2012-11-16 2017-04-12 パナソニックＩｐマネジメント株式会社 Refrigeration equipment
EP3088809A4 (en) 2013-12-25 2017-08-09 Mitsubishi Electric Corporation Air conditioner
JP6295676B2 (en) * 2014-01-21 2018-03-20 株式会社デンソー Heat pump cycle
WO2017175299A1 (en) 2016-04-05 2017-10-12 三菱電機株式会社 Refrigeration cycle device
JP6935720B2 (en) * 2017-10-12 2021-09-15 ダイキン工業株式会社 Refrigeration equipment
CN107965937B (en) * 2017-11-17 2019-07-16 珠海格力电器股份有限公司 Refrigerating unit and evacuation shutdown control method thereof

Also Published As

Publication number Publication date
DK4030117T3 (en) 2023-12-18
ES2967450T3 (en) 2024-04-30
JP7195449B2 (en) 2022-12-23
EP4030117B1 (en) 2023-11-22
CN114364929A (en) 2022-04-15
JPWO2021048900A1 (en) 2021-03-18
CN114364929B (en) 2024-01-02
EP4030117A4 (en) 2022-09-07
WO2021048900A1 (en) 2021-03-18
EP4030117A1 (en) 2022-07-20

Similar Documents

Publication Publication Date Title
US9010135B2 (en) Refrigeration apparatus with a refrigerant collection operation between a plurality of outdoor units
US7752864B2 (en) Refrigeration apparatus
US9163864B2 (en) Air-conditioning apparatus with oil return in a transcritical cycle
AU2005268223B2 (en) Refrigerating apparatus
KR100924628B1 (en) Refrigeration device
JP6792057B2 (en) Refrigeration cycle equipment
EP1783443A1 (en) Freezing apparatus
JP2007315702A (en) Freezer
WO2009082367A1 (en) Refrigerant system and method of operating the same
CN102419024A (en) Refrigeration cycle apparatus and hot-water heating apparatus
US8276400B2 (en) Refrigeration apparatus
EP3163219B1 (en) Chiller system
JP2010002173A (en) Refrigerator
US11624538B2 (en) Refrigeration device provided with a secondary by-pass branch and method of use thereof
FI4030117T3 (en) Outdoor unit and refrigeration cycle device
FI4030116T3 (en) Outdoor unit and refrigeration cycle device
JP2018091540A (en) Air conditioner
WO2021065156A1 (en) Heat source unit and refrigeration device
CN111919073B (en) Refrigerating device
GB2579961A (en) Air-conditioning apparatus
JP2013190906A (en) Automatic vending machine
JP2009293887A (en) Refrigerating device
JP2018173191A (en) Air conditioner
JPWO2018055739A1 (en) Air conditioner
FI4030122T3 (en) Outdoor unit and refrigeration cycle apparatus