FI3734167T3 - Air conditioner system - Google Patents

Air conditioner system Download PDF

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Publication number
FI3734167T3
FI3734167T3 FIEP18893462.4T FI18893462T FI3734167T3 FI 3734167 T3 FI3734167 T3 FI 3734167T3 FI 18893462 T FI18893462 T FI 18893462T FI 3734167 T3 FI3734167 T3 FI 3734167T3
Authority
FI
Finland
Prior art keywords
heat exchanger
pipeline
bypass
gas
compressor
Prior art date
Application number
FIEP18893462.4T
Other languages
Finnish (fi)
Swedish (sv)
Inventor
Fei Wang
Yu Fu
Rongbang Luo
Wenming Xu
Original Assignee
Qingdao Haier Air Conditioner General Corp Ltd
Chongqing Haier Air Conditioner Co 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 Qingdao Haier Air Conditioner General Corp Ltd, Chongqing Haier Air Conditioner Co Ltd filed Critical Qingdao Haier Air Conditioner General Corp Ltd
Application granted granted Critical
Publication of FI3734167T3 publication Critical patent/FI3734167T3/en

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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
    • F25B13/00—Compression machines, plants or systems, with 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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by 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
    • 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
    • F24F1/14—Heat exchangers specially adapted for separate outdoor units
    • 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
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • 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
    • F24F11/67—Switching between heating and cooling modes
    • 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
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • 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
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • F25B47/022—Defrosting cycles hot gas defrosting
    • 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
    • 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

Claims (2)

PatenttivaatimuksetPatent Claims 1. Ilmastointijärjestelmä, käsittäen kompressorin (1), sisälämmön- vaihtimen (2), erään ensimmäisen kuristinlaiteen (3) ja ulkolämmönvaihtimen (4) kytkettynä sarjaan pääpiirissä, joka ilmastointijärjestelmä edelleen käsittää ohitusputkilinjan (L), ohitusjäätymisenestopiirin (P) ja kuristinventtiilin (9), jossa pääpiiri on varustettu myös eräällä ensimmäisellä putkilinjalla (M), eräällä toisella putkilinjalla (L), lämmönvaihtimella (5), eräällä ensimmäi- sellä kaasuneste-erottajalla (6) ja eräällä toisella kaasuneste-erottajalla (11), joka ohitusjäätymisenestopiiri (P) on sijoitettu kompressorin (1) ja ulkolämmönvaihtimen (4) väliin, lämmönvaihtimen (5) yksi puoli on kytketty ensimmäiseen putkilin- jaan (M) ensimmäisen kuristinlaitteen (3) ja sisälämmönvaihtimen (2) väliin, ja lämmönvaihtimen (5) toinen puoli on kytketty toiseen putkilinjaan (N) ensim- mäisen kuristinlaitteen (3) ja ulkolämmönvaihtimen (4) väliin niin, että jäähdy- tysaine, joka kulkee ensimmäisen putkilinjan (M) kautta ja jäähdytysaine, joka kulkee toisen putkilinjan (N) kautta, voivat vaihtaa lämpöä lämmönvaihtimessa (5); ja ensimmäinen kaasuneste-erottaja (6) on sijoitettu toisen putkilinjan (N) osuuteen lämmönvaihtimen (5) ja sisälämmönvaihtimen (2) väliin, ja ohi- tusputkilinja (L) on sijoitettu ensimmäinen kaasuneste-erottajan (6) ja komp- ressorin (1) väliin; ja ohitusjäätymisenestopiiri (P) on konfiguroitu suorittamaan jäätymi- seneston operaatio ulkolämmönvaihtimella (4) ilmastoinnin lämmitysprosessis- sa, jossa kuristinventtiili (9) on sijoitettu ohitusjäätymisenestopiiriin (P), kun ulkolämmönvaihdin (4) täytyy sulattaa, kuristinventtiili (9) on konfiguroitu olemaan avoin niin, että jäähdytysaine, joka virtaa pois kompres- sorista (1), suorittaa sulatusoperaation ulkolämmönvaihtimella (4) ohitusjääty- misenestopiirin (P) kautta; ja kun ulkolämmönvaihtajaa (4) ei tarvitse sulattaa, kuristinventtiili (9) on konfiguroitu olemaan kiinni, jossa kompressori (1) on varustettu toisella nestekaasu-erottajalla (11), ja jäähdytysaine virtaa takaisin kompressoriin (1) sen jälkeen kun se on kulkenut toisen kaasuneste-erottajan (11) kautta, jossa ohitusputkilinja (L) on kytketty ylävirtaan toisesta kaasuneste-erottajasta (11).1. An air conditioning system, comprising a compressor (1), an indoor heat exchanger (2), a first throttle device (3) and an outdoor heat exchanger (4) connected in series in the main circuit, which air conditioning system further comprises a bypass pipeline (L), a bypass antifreeze circuit (P) and a throttle valve (9) , where the main circuit is also equipped with a first pipeline (M), a second pipeline (L), a heat exchanger (5), a first gas-liquid separator (6) and a second gas-liquid separator (11), which bypass antifreeze circuit (P) is placed between the compressor (1) and the outdoor heat exchanger (4), one side of the heat exchanger (5) is connected to the first pipeline (M) between the first throttle device (3) and the indoor heat exchanger (2), and the other side of the heat exchanger (5) is connected to the other to the pipeline (N) between the first throttle device (3) and the outdoor heat exchanger (4) so that the refrigerant passing through the first pipeline (M) and the refrigerant passing through the second pipeline (N) can exchange heat in the heat exchanger (5) ); and the first gas-liquid separator (6) is placed in the section of the second pipeline (N) between the heat exchanger (5) and the indoor heat exchanger (2), and the bypass pipeline (L) is placed between the first gas-liquid separator (6) and the compressor (1) between; and the bypass antifreeze circuit (P) is configured to perform the antifreeze operation on the outdoor heat exchanger (4) in the heating process of the air conditioner, where the throttle valve (9) is placed in the bypass antifreeze circuit (P), when the outdoor heat exchanger (4) needs to be defrosted, the throttle valve (9) is configured to be open so , that the refrigerant flowing out of the compressor (1) performs the defrosting operation with the outdoor heat exchanger (4) through the bypass anti-freeze circuit (P); and when the outdoor heat exchanger (4) does not need to be defrosted, the throttle valve (9) is configured to be closed, where the compressor (1) is equipped with a second liquid gas separator (11), and the refrigerant flows back to the compressor (1) after passing through the second gas liquid -through the separator (11), where the bypass pipeline (L) is connected upstream from the second gas-liquid separator (11). 2. Patenttivaatimuksen 1 mukainen ilmastointijärjestelmä, jossa il- mastointijärjestelmä käsittää myös nelitieventtiilin (O), ja nelitieventtiili (0) on konfiguroitu kytkemään ilmastointijärjestelmä jäähdytysmoodin ja lämmitys- moodin välillä.2. The air conditioning system according to claim 1, wherein the air conditioning system also comprises a four-way valve (O), and the four-way valve (0) is configured to switch the air conditioning system between cooling mode and heating mode.
FIEP18893462.4T 2017-12-29 2018-11-15 Air conditioner system FI3734167T3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201711474368.1A CN108332285B (en) 2017-12-29 2017-12-29 Air conditioner system
PCT/CN2018/115747 WO2019128516A1 (en) 2017-12-29 2018-11-15 Air conditioner system

Publications (1)

Publication Number Publication Date
FI3734167T3 true FI3734167T3 (en) 2023-03-17

Family

ID=62924477

Family Applications (1)

Application Number Title Priority Date Filing Date
FIEP18893462.4T FI3734167T3 (en) 2017-12-29 2018-11-15 Air conditioner system

Country Status (8)

Country Link
EP (1) EP3734167B1 (en)
JP (1) JP7175985B2 (en)
CN (1) CN108332285B (en)
DK (1) DK3734167T3 (en)
ES (1) ES2939186T3 (en)
FI (1) FI3734167T3 (en)
PL (1) PL3734167T3 (en)
WO (1) WO2019128516A1 (en)

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Also Published As

Publication number Publication date
CN108332285A (en) 2018-07-27
EP3734167A4 (en) 2020-12-30
CN108332285B (en) 2019-12-06
WO2019128516A1 (en) 2019-07-04
PL3734167T3 (en) 2023-04-24
EP3734167A1 (en) 2020-11-04
JP7175985B2 (en) 2022-11-21
JP2021509945A (en) 2021-04-08
EP3734167B1 (en) 2023-01-25
DK3734167T3 (en) 2023-02-20
ES2939186T3 (en) 2023-04-19

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