WO2020177195A1 - Système de climatisation avec fonction de réfrigération d'urgence - Google Patents

Système de climatisation avec fonction de réfrigération d'urgence Download PDF

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Publication number
WO2020177195A1
WO2020177195A1 PCT/CN2019/083731 CN2019083731W WO2020177195A1 WO 2020177195 A1 WO2020177195 A1 WO 2020177195A1 CN 2019083731 W CN2019083731 W CN 2019083731W WO 2020177195 A1 WO2020177195 A1 WO 2020177195A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant
heat exchange
exchange unit
outlet
inlet
Prior art date
Application number
PCT/CN2019/083731
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English (en)
Chinese (zh)
Inventor
刘水旺
陈邦稳
葛志刚
姜晓君
游庆生
曹维兵
Original Assignee
深圳市艾特网能技术有限公司
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Application filed by 深圳市艾特网能技术有限公司 filed Critical 深圳市艾特网能技术有限公司
Publication of WO2020177195A1 publication Critical patent/WO2020177195A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • 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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle

Definitions

  • the utility model relates to the technical field of data center computer room refrigeration, and more specifically, to an air conditioning system with emergency refrigeration function.
  • the data center computer room is a special place that needs to provide cooling conditions all year round.
  • the air conditioning system of the computer room is shut down for a short time due to objective reasons, the entire data center computer room is particularly prone to short-term local high temperature, especially For a data room with a super high heat flux, the temperature will rise quickly, which may easily cause damage to related equipment.
  • the technical problem to be solved by the utility model is to provide an air conditioning system with emergency refrigeration function.
  • the technical solution adopted by the utility model to solve the technical problem is: construct an air conditioning system with emergency refrigeration function, which is characterized by including an evaporative heat exchange unit, a condensation heat exchange unit for cooling refrigerant, and an auxiliary cold source.
  • the evaporative heat exchange unit includes an evaporator for evaporative heat exchange and a first fan for blowing the evaporator; the refrigerant outlet of the evaporator is connected to the refrigerant inlet of the condensation heat exchange unit and the The refrigerant inlet of the emergency refrigeration and heat exchange unit, the refrigerant outlet of the condensation heat exchange unit and the refrigerant outlet of the emergency refrigeration heat exchange unit are respectively connected to the refrigerant inlet of the refrigerant booster unit, and the refrigerant The refrigerant outlet of the supercharging unit is connected to the refrigerant inlet of the evaporator.
  • the refrigerant outlet of the evaporator is connected to the refrigerant inlet of the condensation heat exchange unit, and the refrigerant outlet of the condensation heat exchange unit passes through
  • the three-way valve is respectively connected to the refrigerant inlet of the emergency refrigeration and heat exchange unit and the refrigerant inlet of the refrigerant booster unit, and the refrigerant outlet of the emergency refrigeration and heat exchange unit is connected to the refrigeration of the refrigerant booster unit.
  • the refrigerant outlet of the evaporator is respectively connected to the refrigerant inlet of the condensation heat exchange unit and the emergency refrigeration heat exchange through a three-way valve.
  • the refrigerant inlet of the unit, the refrigerant outlet of the condensation heat exchange unit and the refrigerant outlet of the emergency refrigeration heat exchange unit are respectively connected to the refrigerant inlet of the refrigerant booster unit.
  • the condensing heat exchange unit includes a condenser for condensing heat exchange and a second fan for supplying air to the condenser.
  • the refrigerant inlet of the condenser is connected to the refrigerant outlet of the evaporator, and the refrigerant outlet of the condenser is connected to the refrigerant inlet of the refrigerant supercharging unit.
  • the emergency refrigeration and heat exchange unit includes a heat exchanger for heat exchange between the auxiliary cold source and the refrigerant, and an auxiliary cold source is stored.
  • the refrigerant inlet of the heat exchanger is connected to the refrigerant outlet of the evaporator, and the refrigerant outlet of the heat exchanger is connected to the refrigerant inlet of the refrigerant supercharging unit;
  • the cold source outlet of the cold storage box is connected to the cold source inlet of the heat exchanger, the cold source outlet of the heat exchanger is connected to the cold source inlet of the cold storage box, and the auxiliary cold source circulating pump is arranged at the cold storage box. Between the cold source outlet of the box and the cold source inlet of the heat exchanger.
  • the refrigerant outlet of the condensation heat exchange unit is connected to the refrigerant inlet of the refrigerant boosting unit and the refrigerant inlet through a three-way valve.
  • the refrigerant inlet of the heater is connected to the refrigerant inlet of the refrigerant boosting unit and the refrigerant inlet through a three-way valve.
  • the emergency refrigeration and heat exchange unit further includes an auxiliary cold source supply device for providing an auxiliary cold source, and the auxiliary cold source supply device The source outlet is connected to the cold source inlet of the cold storage tank.
  • the refrigerant pressurizing unit includes an accumulator for storing refrigerant and a refrigerant pump for pressurizing the refrigerant;
  • the refrigerant inlet of the accumulator is connected to the refrigerant outlet of the condensation heat exchange unit and the refrigerant outlet of the emergency refrigeration and heat exchange unit, and the refrigerant outlet of the accumulator is connected to the refrigerant pump.
  • a refrigerant inlet, and the refrigerant outlet of the refrigerant pump is connected to the refrigerant inlet of the evaporative heat exchange unit.
  • a one-way valve is provided at both the refrigerant outlet of the emergency refrigeration and heat exchange unit and the refrigerant outlet of the refrigerant booster unit .
  • the air-conditioning system with emergency refrigeration function of the present invention further includes a power supply for supplying power to the air-conditioning system.
  • the power supply includes a mains power supply and a backup power supply.
  • the backup power supply includes a UPS and a backup power supply. Intermittent power supply.
  • the air conditioning system of the present invention adds an emergency refrigeration and heat exchange unit, which can be used to provide auxiliary cooling when the air conditioning system is shut down for a short time.
  • the source cools the refrigerant, and the cooled refrigerant is transmitted to the evaporator to cool the computer room, so that the air-conditioning system has emergency cooling function, preventing local high temperature inside the computer room when the air-conditioning system of the computer room is shut down for a short time, and even causing the computer room Damage to the equipment.
  • Figure 1 is a structural diagram of an air conditioning system with emergency refrigeration function of the present invention.
  • the air-conditioning system with emergency refrigeration function of the present invention includes an evaporative heat exchange unit 1, a condensation heat exchange unit 4 for cooling the refrigerant, and an emergency refrigeration heat exchange that provides an auxiliary cold source to cool the refrigerant.
  • the evaporative heat exchange unit 1 includes an evaporation for evaporative heat exchange 1-2 and the first fan 1-1 that supplies air to the evaporator 1-2;
  • the refrigerant outlet of the evaporator 1-2 is connected to the refrigerant inlet of the condensation heat exchange unit 4 and the refrigerant of the emergency refrigeration heat exchange unit 3
  • the inlet, the refrigerant outlet of the condensation heat exchange unit 4 and the refrigerant outlet of the emergency cooling and heat exchange unit 3 are respectively connected to the refrigerant inlet of the refrigerant booster unit 2, and the refrigerant outlet of the refrigerant booster unit 2 is connected to the evaporator 1- 2 refrigerant inlet.
  • the air conditioning system with emergency cooling function includes an indoor unit located indoors and an outdoor unit located outdoors.
  • the outdoor unit and the indoor unit are connected to each other to complete the cooling of the data center computer room.
  • the temperature of the refrigerant rises after the cooling of the indoor unit is completed.
  • the heat exchange unit of the outdoor unit exchanges heat with the refrigerant to cool down and cool the refrigerant.
  • the cooled refrigerant then returns to the indoor unit along the refrigerant circulation circuit for cooling.
  • the heat exchange unit of the outdoor unit includes a condensation heat exchange unit 4 and an emergency refrigeration heat exchange unit 3.
  • the condensation heat exchange unit 4 adopts air-cooled heat exchange, that is, cold air-refrigerant heat exchange is performed on the refrigerant through cold air;
  • the emergency refrigeration and heat exchange unit 3 uses liquid-cooled heat exchange, that is, auxiliary cold source-refrigerant heat exchange is performed on the refrigerant through auxiliary cold sources such as chilled water or cooling water.
  • the refrigerant outlet of the evaporator 1-2 is connected to the refrigerant inlet of the condensation heat exchange unit 4, and the refrigerant outlet of the condensation heat exchange unit 4 is respectively connected to the emergency refrigeration and heat exchange unit through a three-way valve
  • the refrigerant inlet of 3 and the refrigerant inlet of the refrigerant booster unit 2, and the refrigerant outlet of the emergency cooling and heat exchange unit 3 is connected to the refrigerant inlet of the refrigerant booster unit 2.
  • the refrigerant outlet of the evaporator 1-2 may also be connected to the refrigerant inlet of the condensation heat exchange unit 4 and the refrigerant inlet of the emergency refrigeration heat exchange unit 3 through a three-way valve.
  • the refrigerant outlet of the heat exchange unit 4 and the refrigerant outlet of the emergency cooling and heat exchange unit 3 are respectively connected to the refrigerant inlet of the refrigerant booster unit 2.
  • the type of the evaporator 1-2 is not limited, and it can be a plate heat exchanger, a double-pipe heat exchanger, a shell-and-tube heat exchanger, etc., which is not limited by the present invention.
  • a filter drier can also be provided between the refrigerant inlet of the evaporator 1-2 and the refrigerant outlet of the refrigerant booster unit 2, using dry filtration To remove impurities and moisture.
  • the condensation heat exchange unit 4 includes a condenser 4-2 for condensation heat exchange and a second fan 4-1 for supplying air to the condenser 4-2.
  • the refrigerant inlet of the condenser 4-2 is connected to an evaporator.
  • the refrigerant outlet of 1-2 and the refrigerant outlet of the condenser 4-2 are connected to the refrigerant inlet of the refrigerant booster unit 2.
  • the refrigerant outlet of the condenser 4-2 is connected to the refrigerant inlet of the refrigerant booster unit 2 and the refrigerant inlet of the emergency refrigeration and heat exchange unit 3 through a three-way valve.
  • the temperature of the refrigerant rises after cooling in the evaporator 1-2, and the refrigerant exchanges heat through the condenser 4-2 to cool the refrigerant, and the cooled refrigerant returns to the evaporator 1-2 for cooling and cooling .
  • the type of the condenser 4-2 is not limited, and it can be a plate heat exchanger, a double-pipe heat exchanger, a shell-and-tube heat exchanger, and any other type, which is not limited by the present invention.
  • the emergency refrigeration and heat exchange unit 3 includes a heat exchanger 3-2, a cold storage tank 3-3 and an auxiliary cold source circulating pump 3-1.
  • the heat exchanger 3-2 is used to exchange heat between the auxiliary cold source and the refrigerant
  • the cold storage tank 3-3 is used to store the auxiliary cold source
  • the auxiliary cold source circulating pump 3-1 is used to transfer the cold storage tank 3-3.
  • the auxiliary cold source is sent to the heat exchanger 3-2.
  • the refrigerant inlet of the heat exchanger 3-2 is connected to the refrigerant outlet of the evaporator 1-2
  • the refrigerant outlet of the heat exchanger 3-2 is connected to the refrigerant inlet of the refrigerant booster unit 2.
  • the refrigerant is evaporating After the refrigeration of the 1-2 completes the temperature rise, the refrigerant can be heat exchanged through the cold storage heat exchanger 3-2 to cool the refrigerant, and the cooled refrigerant returns to the evaporator 1-2 for cooling and cooling.
  • the refrigerant outlet of the condenser 4-2 may be respectively connected to the refrigerant inlet of the accumulator 2-2 and the refrigerant inlet of the heat exchanger 3-2 through a three-way valve.
  • the refrigerant outlet of the evaporator 1-2 is connected to the refrigerant inlet of the condenser 4-2 and the refrigerant inlet of the heat exchanger 3-2 through a three-way valve, respectively.
  • the cold source outlet of the cold storage tank 3-3 is connected to the cold source inlet of the heat exchanger 3-2, the cold source outlet of the heat exchanger 3-2 is connected to the cold source inlet of the cold storage tank 3-3, and the auxiliary cold source circulating pump 3-1 It is arranged between the cold source outlet of the cold storage tank 3-3 and the cold source inlet of the heat exchanger 3-2.
  • a closed water circulation loop is formed between the cold storage tank 3-3 and the heat exchanger 3-2: the auxiliary cold source flows out of the cold storage tank 3-3, and is sent to the cold storage heat exchanger 3-2 through the cold storage water pump, where it exchanges heat After the heat exchange in the device 3-2, the temperature rises, and the auxiliary cold source after the temperature rises flows back to the cold storage tank 3-3.
  • the heat exchanger 3-2 includes two heat exchange parts for heat exchange, namely a first heat exchange part and a second heat exchange part.
  • the first heat exchange part is arranged in the water circulation circuit
  • the second heat exchange part is arranged in the refrigerant circulation circuit
  • the cold storage tank 3-3 is connected to the first heat exchange part and sends the auxiliary cold source to the first heat exchange part;
  • the two heat exchange parts are respectively connected to the refrigerant outlet of the evaporator 1-2 and the refrigerant inlet of the refrigerant booster unit 2, and the refrigerant from the evaporator 1-2 flows into the second heat exchange part.
  • the first heat exchange part exchanges heat with the refrigerant in the second heat exchange part through the auxiliary cold source provided by the cold storage tank 3-3 to cool the refrigerant; after the heat exchange, the auxiliary cold source flows from the first heat exchange part
  • the cooled refrigerant enters the evaporator 1-2 through the refrigerant supercharging unit 2, and performs indoor cooling and temperature reduction.
  • the type of the heat exchanger 3-2 is not limited, and it can be a plate heat exchanger, a double-pipe heat exchanger, a shell-and-tube heat exchanger, etc., which is not limited by the present invention.
  • the emergency refrigeration and heat exchange unit 3 further includes an auxiliary cold source supply device for providing an auxiliary cold source, and the cold source outlet of the auxiliary cold source supply device is connected to the cold storage box 3-3 cold source entrance.
  • the cold source outlet of the auxiliary cold source supply device is connected to the cold source inlet of the cold storage tank 3-3
  • the cold source outlet of the cold storage tank 3-3 is connected to the cold source inlet of the auxiliary cold source supply device
  • the auxiliary cold source supply device and cold storage A closed loop is formed between boxes 3-3.
  • the auxiliary cold source supply device includes a refrigerator, through which the cold source can be processed to a preset temperature.
  • the auxiliary cold source in the cold storage tank 3-3 When the temperature of the auxiliary cold source in the cold storage tank 3-3 is higher than the preset temperature, the auxiliary cold source in the cold storage tank 3-3 The cold source flows back to the auxiliary cold source supply device, and is processed by the refrigerator into a cold source that meets the temperature requirements. The auxiliary cold source flows out from the auxiliary cold source supply device and is sent to the cold storage tank 3-3.
  • the auxiliary cold source can be chilled water or chilled water, preferably chilled water with a temperature lower than 20°C, because chilled water has a lower temperature and a good cooling effect. When the air conditioning system is shut down for a short time, emergency response can be used.
  • the refrigeration and heat exchange unit 3 provides an auxiliary cold source for the air conditioning system to cool faster to match the cooling load of the data center computer room, and prevent local high temperature inside the computer room when the air conditioning system is shut down for a short time, and even damage to the equipment in the computer room.
  • the refrigerant pressurizing unit 2 includes an accumulator 2-2 for storing refrigerant and a refrigerant pump 2-1 for pressurizing the refrigerant;
  • the refrigerant can be an existing commonly used refrigerant, such as fluorine.
  • the refrigerant inlet of the accumulator 2-2 is connected to the refrigerant outlet of the condensation heat exchange unit 4 and the refrigerant outlet of the emergency refrigeration heat exchange unit 3, and the refrigerant outlet of the accumulator 2-2 is connected to the refrigerant pump 2-1
  • the refrigerant inlet of the refrigerant pump 2-1 is connected to the refrigerant inlet of the evaporative heat exchange unit 1.
  • the refrigerant outlet of the evaporator 1-2 is connected to the refrigerant inlet of the condenser 4-2, and the refrigerant outlet of the condenser 4-2 is respectively connected to the accumulator 2-2.
  • the refrigerant inlet of the heat exchanger 3-2 and the refrigerant inlet of the heat exchanger 3-2, the refrigerant outlet of the heat exchanger 3-2 is connected to the refrigerant inlet of the accumulator 2-2, and the refrigerant outlet of the accumulator 2-2 is connected to refrigeration
  • the refrigerant inlet of the refrigerant pump 2-1 and the refrigerant outlet of the refrigerant pump 2-1 are connected to the refrigerant inlet of the evaporator 1-2.
  • a one-way valve is provided at both the refrigerant outlet of the emergency refrigeration and heat exchange unit 3 and the refrigerant outlet of the refrigerant booster unit 2.
  • the air-conditioning system with emergency refrigeration function of the present invention further includes a power supply for the air-conditioning system.
  • the power supply includes a commercial power supply and a backup power supply.
  • the backup power supply includes UPS (Uninterruptible Power Supply). System/Uninterruptible Power Supply) uninterruptible power supply.
  • UPS Uninterruptible Power Supply
  • System/Uninterruptible Power Supply uninterruptible power supply.
  • the mains power supply is disconnected, it can automatically switch to the backup power supply, and the backup power supply is used to ensure the normal power supply of the air conditioning system.
  • a dual power supply design is provided for the first fan 1-1, the second fan 4-1, the refrigerant pump 2-1, and the auxiliary cold source circulating pump 3-1, that is, the first fan 1 -1.
  • the second fan 4-1, the refrigerant pump 2-1 and the auxiliary cold source circulating pump 3-1 are connected to the mains power supply and the backup power supply in the power supply, and the mains power supply and the backup power supply in the power supply supply supply the second A fan 1-1, a second fan 4-1, a refrigerant pump 2-1 and an auxiliary cold source circulating pump 3-1 supply power.
  • the mains power supply When the mains power supply is disconnected, it can automatically switch to the standby power supply to supply power to the first fan 1-1, the second fan 4-1, the refrigerant pump 2-1 and the auxiliary cold source circulating pump 3-1 to ensure the first
  • the normal operation of the fan 1-1, the second fan 4-1, the refrigerant pump 2-1 and the auxiliary cold source circulating pump 3-1 realizes the emergency cooling effect of the air conditioning system.
  • the temperature of the refrigerant increases after heat exchange in the evaporator 1-2.
  • the refrigerant after the heat exchange of the evaporator 1-2 can be heated through the condenser 4-2 Exchange to cool down the refrigerant, the cooled refrigerant flows into the accumulator 2-2, and then the refrigerant in the accumulator 2-2 is pressurized by the refrigerant pump 2-1 and then sent to the evaporator 1-2 , Carry out indoor cooling and cooling; in the case of the mains power interruption, the standby power is activated as the auxiliary cold source of the first fan 1-1, the second fan 4-1, the refrigerant pump 2-1 and the emergency cooling and heat exchange unit 3
  • the circulating pump 3-1 supplies power.
  • the emergency refrigeration and heat exchange unit 3 is started to cool the refrigerant, that is, the heat exchange of the refrigerant after the heat exchange of the evaporator 1-2 is carried out through the heat exchanger 3-2 to make the refrigeration
  • the refrigerant is cooled down, and the cooled refrigerant flows into the accumulator 2-2, and the refrigerant in the accumulator 2-2 is pressurized by the refrigerant pump 2-1 and then sent to the evaporator 1-2 for indoor cooling Cooling down, to achieve the role of emergency refrigeration, to prevent local high temperature inside the computer room due to a short-term power failure of the air-conditioning system, and even damage to the equipment in the computer room, to ensure the stable and reliable operation of the equipment in the entire data center.
  • the emergency refrigeration and heat exchange unit 3 is added to the air conditioning system with emergency refrigeration function of the present invention, and the emergency refrigeration and heat exchange unit 3 can be used to provide an auxiliary cold source to cool the refrigerant when the air conditioning system is shut down for a short time.
  • the cooled refrigerant is transmitted to the evaporator 1-2 to cool the computer room, so that the air-conditioning system has emergency cooling function, preventing local high temperature inside the computer room when the air-conditioning system of the computer room is shut down for a short time, and even causing damage to the equipment in the computer room .
  • the air-conditioning system with emergency refrigeration function of the utility model can be applied in data center computer rooms, especially data center computer rooms with high heat flux and high heat load, which can effectively prevent local high temperature in the computer room caused by the shutdown of the air-conditioning system due to objective reasons , And even cause damage to equipment in the computer room.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Other Air-Conditioning Systems (AREA)

Abstract

L'invention concerne un système de climatisation avec fonction de réfrigération d'urgence, comprenant une unité de transfert de chaleur par évaporation (1), une unité de transfert de chaleur par condensation (4) utilisée pour refroidir le fluide frigorigène, une unité de transfert de chaleur de réfrigération d'urgence (3) utilisée pour fournir une source de froid auxiliaire pour refroidir le fluide frigorigène et une unité de suralimentation de fluide frigorigène (2) utilisée pour transporter le fluide frigorigène refroidi vers l'unité de transfert de chaleur par évaporation (1). L'unité de transfert de chaleur par évaporation (1) comprend un évaporateur (1-2) et un premier ventilateur (1-1) ; une sortie de fluide frigorigène de l'évaporateur (1-2) est reliée à une entrée de fluide frigorigène de l'unité de transfert de chaleur de condensation (4) et à une entrée de fluide frigorigène de l'unité de transfert de chaleur de réfrigération d'urgence (3) ; une sortie de fluide frigorigène de l'unité de transfert de chaleur par condensation (4) et une sortie de fluide frigorigène de l'unité de transfert de chaleur de réfrigération d'urgence (3) sont respectivement reliées à une entrée de fluide frigorigène de l'unité de suralimentation de fluide frigorigène (2) ; et une sortie de fluide frigorigène de l'unité de suralimentation de fluide frigorigène (2) est reliée à une entrée de fluide frigorigène de l'évaporateur (1-2). Ajouté à une unité de transfert de chaleur de réfrigération d'urgence, le système de climatisation est pourvu de la fonction de réfrigération d'urgence, empêchant ainsi une haute température partielle dans la salle de machine lorsque le système de climatisation s'arrête pendant un court laps de temps et évite un endommagement des dispositifs de la salle des machines.
PCT/CN2019/083731 2019-03-05 2019-04-22 Système de climatisation avec fonction de réfrigération d'urgence WO2020177195A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201920275917.0 2019-03-05
CN201920275917.0U CN209857282U (zh) 2019-03-05 2019-03-05 具备应急制冷功能的空调系统

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WO2020177195A1 true WO2020177195A1 (fr) 2020-09-10

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2438043Y (zh) * 2000-06-27 2001-07-04 中国航天机电集团第三研究院第8359研究所 一种具有循环蓄冷的应急冷源装置
CN103148553A (zh) * 2013-03-22 2013-06-12 李桂杨 冰蓄冷式制热水供冷暖气中央空调
CN103322633A (zh) * 2012-03-22 2013-09-25 刘东波 机房空调应急制冷
FR2988815A3 (fr) * 2012-03-27 2013-10-04 Bakkour Kattan Dispositif de climatisation encastrable
CN108278699A (zh) * 2017-12-29 2018-07-13 深圳市海吉源科技有限公司 一种兼做应急冷源的水蓄冷系统控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2438043Y (zh) * 2000-06-27 2001-07-04 中国航天机电集团第三研究院第8359研究所 一种具有循环蓄冷的应急冷源装置
CN103322633A (zh) * 2012-03-22 2013-09-25 刘东波 机房空调应急制冷
FR2988815A3 (fr) * 2012-03-27 2013-10-04 Bakkour Kattan Dispositif de climatisation encastrable
CN103148553A (zh) * 2013-03-22 2013-06-12 李桂杨 冰蓄冷式制热水供冷暖气中央空调
CN108278699A (zh) * 2017-12-29 2018-07-13 深圳市海吉源科技有限公司 一种兼做应急冷源的水蓄冷系统控制方法

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