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1. WO2022160767 - DEFROSTING CONTROL METHOD AND APPARATUS FOR AIR CONDITIONING SYSTEM, AND AIR CONDITIONING SYSTEM

Publication Number WO/2022/160767
Publication Date 04.08.2022
International Application No. PCT/CN2021/121636
International Filing Date 29.09.2021
IPC
F24F 11/42 2018.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
11Control or safety arrangements
30for purposes related to the operation of the system, e.g. for safety or monitoring
41Defrosting; Preventing freezing
42of outdoor units
F25B 47/02 2006.1
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS, OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
47Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
02Defrosting cycles
CPC
F24F 11/42
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
11Control or safety arrangements
30for purposes related to the operation of the system, e.g. for safety or monitoring
41Defrosting; Preventing freezing
42of outdoor units
F24F 11/65
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
11Control or safety arrangements
62characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
63Electronic processing
65for selecting an operating mode
F24F 11/83
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
24HEATING; RANGES; VENTILATING
FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
11Control or safety arrangements
70Control systems characterised by their outputs; Constructional details thereof
80for controlling the temperature of the supplied air
83by controlling the supply of heat-exchange fluids to heat-exchangers
F25B 2347/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
2347Details for preventing or removing deposits or corrosion
02Details of defrosting cycles
F25B 47/025
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT-PUMP SYSTEMS
47Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
02Defrosting cycles
022hot gas defrosting
025by reversing the cycle
Applicants
  • 青岛海尔空调器有限总公司 QINGDAO HAIER AIR CONDITIONER GENERAL CORP., LTD. [CN]/[CN]
  • 青岛海尔空调电子有限公司 QINGDAO HAIER AIR-CONDITIONING ELECTRONIC CO., LTD [CN]/[CN]
  • 海尔智家股份有限公司 HAIER SMART HOME CO., LTD [CN]/[CN]
Inventors
  • 汪亚东 WANG, Yadong
  • 王若峰 WANG, Ruofeng
  • 张美娇 ZHANG, Meijiao
Agents
  • 青岛中家标准专利代理有限公司 QINGDAO ZHONGJIA STANDARD PATENT AGENCY CO., LTD
Priority Data
202110130395.729.01.2021CN
Publication Language Chinese (zh)
Filing Language Chinese (ZH)
Designated States
Title
(EN) DEFROSTING CONTROL METHOD AND APPARATUS FOR AIR CONDITIONING SYSTEM, AND AIR CONDITIONING SYSTEM
(FR) PROCÉDÉ ET APPAREIL DE COMMANDE DE DÉGIVRAGE POUR SYSTÈME DE CLIMATISATION ET SYSTÈME DE CLIMATISATION
(ZH) 用于空调系统除霜控制的方法及装置、空调系统
Abstract
(EN) A defrosting control method and apparatus for an air conditioning system, and the air conditioning system. The method comprises: when the air conditioning system runs in a heating mode, determining to trigger and enter a defrosting mode, wherein the heating mode comprises: a first refrigerant circulation loop delivering a refrigerant according to a heating refrigerant flow direction, and a second refrigerant circulation loop being in a blocking state; and controlling the second refrigerant circulation loop to be in an ON state, so that the air conditioner runs in the defrosting mode. According to the method, on the basis of a set of newly added refrigerant circulation loops, heat of the refrigerant is emitted to an ambient environment of a newly added outdoor heat exchanger by using the outdoor heat exchanger when the air conditioning system enters the defrosting mode, so that congealed frost can be heated and melted; and at the same time, an original refrigerant circulation loop of the air conditioning system can normally heat an indoor environment.
(FR) Procédé et appareil de commande de dégivrage pour un système de climatisation et système de climatisation. Le procédé comprend : lorsque le système de climatisation fonctionne dans un mode de chauffage, la décision de déclencher et d'entrer dans un mode de dégivrage, le mode de chauffage comprenant : une première boucle de circulation de fluide frigorigène délivrant un fluide frigorigène selon une direction d'écoulement de fluide frigorigène de chauffage et une seconde boucle de circulation de fluide frigorigène dans un état de blocage ; et la commande de la seconde boucle de circulation de fluide frigorigène pour qu'elle soit dans un état MARCHE de sorte que le climatiseur fonctionne dans le mode de dégivrage. Selon le procédé, sur la base d'un ensemble de boucles de circulation de fluide frigorigène nouvellement ajoutées, la chaleur du fluide frigorigène est émise vers un environnement ambiant d'un échangeur de chaleur extérieur nouvellement ajouté à l'aide de l'échangeur de chaleur extérieur lorsque le système de climatisation entre dans le mode de dégivrage, de sorte que le gel congelé puisse être chauffé et fondu ; et en même temps, une boucle de circulation de fluide frigorigène d'origine du système de climatisation peut normalement chauffer un environnement intérieur.
(ZH) 一种用于空调系统除霜控制的方法、装置及空调系统,该方法包括:在所述空调系统运行制热模式时,确定触发进入除霜模式;其中所述制热模式包括第一冷媒循环回路按照制热冷媒流向输送冷媒,第二冷媒循环回路为阻断状态;控制所述第二冷媒循环回路为导通状态,以使所述空调以除霜模式运行。该方法基于新增的一套冷媒循环回路,在空调系统进入除霜模式时利用新增的室外换热器向室外换热器的周围环境散发冷媒热量,使其凝结的冰霜可以受热融化;同时原有空调系统冷媒循环回路可以正常对室内环境进行制热。
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