JP6555311B2 - ガス漏れ量推定方法及び冷凍装置の運転方法 - Google Patents
ガス漏れ量推定方法及び冷凍装置の運転方法 Download PDFInfo
- Publication number
- JP6555311B2 JP6555311B2 JP2017178636A JP2017178636A JP6555311B2 JP 6555311 B2 JP6555311 B2 JP 6555311B2 JP 2017178636 A JP2017178636 A JP 2017178636A JP 2017178636 A JP2017178636 A JP 2017178636A JP 6555311 B2 JP6555311 B2 JP 6555311B2
- Authority
- JP
- Japan
- Prior art keywords
- refrigerant
- gas leakage
- liquid
- refrigeration apparatus
- leakage amount
- 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.)
- Active
Links
Images
Classifications
-
- 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/36—Responding to malfunctions or emergencies to leakage of heat-exchange fluid
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/16—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means
- G01M3/18—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/186—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/188—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using electric detection means for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for radiators
-
- 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
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- 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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- 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
- F25B49/005—Arrangement or mounting of control or safety devices of safety devices
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/002—Investigating fluid-tightness of structures by using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
- G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
- G01M3/22—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators
- G01M3/226—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators
- G01M3/228—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material for pipes, cables or tubes; for pipe joints or seals; for valves; for welds; for containers, e.g. radiators for containers, e.g. radiators for radiators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2807—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes
- G01M3/2815—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipes using pressure measurements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
- G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
- G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/10—Pressure
- F24F2140/12—Heat-exchange fluid pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/19—Calculation of parameters
-
- 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
- F25B2500/00—Problems to be solved
- F25B2500/22—Preventing, detecting or repairing leaks of refrigeration fluids
- F25B2500/222—Detecting refrigerant leaks
-
- 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
- F25B2600/02—Compressor control
- F25B2600/025—Compressor control by controlling speed
- F25B2600/0253—Compressor control by controlling speed with variable speed
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/111—Fan speed control of condenser fans
-
- 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
- F25B2600/11—Fan speed control
- F25B2600/112—Fan speed control of evaporator fans
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/195—Pressures of the condenser
-
- 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
- F25B2700/2116—Temperatures of a condenser
- F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser
-
- 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
- F25B47/025—Defrosting cycles hot gas defrosting by reversing the cycle
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Health & Medical Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Fluid Mechanics (AREA)
- Air Conditioning Control Device (AREA)
Description
(1)非共沸冷媒を用いた冷媒回路において、当該非共沸冷媒の飽和液の液温及び液圧に基づいてガス漏れ量を推定するガス漏れ量推定方法であって、
非共沸冷媒のうちのある成分だけが漏れたと仮定して定めた前記成分の漏れ割合と一定の液温下における飽和液の液圧との関係と、前記冷媒回路の正規の冷媒充填量と、前記非共沸冷媒の正規の成分比とから、ガス漏れ量を推定する。
共沸冷媒の場合、蒸発器4の入口温度と出口温度は同じであり、これに所定の過熱度を加えた温度を圧縮機7の吸込みガス温度とすることができる。例えば、蒸発器4の入口温度と出口温度が10℃で、過熱度が5℃の場合、圧縮機7の吸込みガス温度は15℃となる。これに対し、非共沸冷媒の場合、温度グラウンドは傾斜しており、その傾きはガス漏れ量が多くなるに従い徐々に小さくなる。例えば、中点が10℃の場合、冷媒の漏れがないとき(図3の太い実線参照)、蒸発器4の入口温度が7℃であるとすると、蒸発器4の出口温度は、中点+(中点−蒸発器4の入口温度)=10+(10−7)=13℃となる。これに過熱度(5℃とする)を加えた温度である18℃が圧縮機7の吸込みガス温度となる。
具体的に、以下の(1)〜(3)の少なくとも1つを採用することで冷媒の圧力を下げて冷媒漏れ量を最小限にすることができる。
本発明は前述した実施形態に限定されるものではなく、特許請求の範囲内において種々の変更が可能である。
例えば、前述した実施形態では、R407Hを例にとって、非共沸冷媒の液温と、液圧と、漏れ割合との関係について説明したが、同様のことは、R407C等の他の非共沸冷媒についても当てはまる。即ち、例えばR407Cについても、測定した飽和液の液温及び液圧に基づいてガス漏れ量を検知することができる。
2 :ユニットクーラ
3 :冷凍機
4 :蒸発器
5 :ファン
6 :冷却用膨張弁
7 :圧縮機
8 :四方切換弁
9 :凝縮器
10 :ファン
11 :レシーバ
12 :冷媒回路
P1 :液圧センサ
P2 :低圧センサ
P3 :高圧センサ
T1 :液温センサ
T2 :入口温度センサ
T3 :出口温度センサ
Claims (5)
- 非共沸冷媒を用いた冷媒回路(12)において、当該非共沸冷媒の飽和液の液温及び液圧に基づいてガス漏れ量を推定するガス漏れ量推定方法であって、
非共沸冷媒のうちのある成分だけが漏れたと仮定して定めた前記成分の漏れ割合と一定の液温下における飽和液の液圧との関係と、前記冷媒回路(12)の正規の冷媒充填量と、前記非共沸冷媒の正規の成分比とから、ガス漏れ量を推定する、ガス漏れ量推定方法。 - 非共沸冷媒を用いた冷凍装置(1)の運転方法であって、請求項1に記載のガス漏れ量推定方法により推定されたガス漏れ量に応じて、温度グラウンドを補正して冷却用膨張弁(6)の開度を調整する、冷凍装置(1)の運転方法。
- 非共沸冷媒を用いた冷凍装置(1)の運転方法であって、請求項1に記載のガス漏れ量推定方法により推定されたガス漏れ量に応じて、圧縮機(7)の周波数を小さくする、冷凍装置(1)の運転方法。
- 非共沸冷媒を用いた冷凍装置(1)の運転方法であって、請求項1に記載のガス漏れ量推定方法により推定されたガス漏れ量に応じて、凝縮器(9)側のファン(10)の風量を大きくする、冷凍装置(1)の運転方法。
- 非共沸冷媒を用いた冷凍装置(1)の運転方法であって、請求項1に記載のガス漏れ量推定方法により推定されたガス漏れ量に応じて、蒸発器(4)側のファン(5)の風量を小さくする、冷凍装置(1)の運転方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017178636A JP6555311B2 (ja) | 2017-09-19 | 2017-09-19 | ガス漏れ量推定方法及び冷凍装置の運転方法 |
US16/641,441 US20200182734A1 (en) | 2017-09-19 | 2018-07-24 | Gas leak amount detection method and method for operating refrigeration apparatus |
CN201880057993.2A CN111065869B (zh) | 2017-09-19 | 2018-07-24 | 气体泄漏量检测方法以及冷冻装置的运转方法 |
ES18858462T ES2906315T3 (es) | 2017-09-19 | 2018-07-24 | Método de detección de cantidad de fuga de gas y método para hacer funcionar un aparato de refrigeración |
EP18858462.7A EP3686520B1 (en) | 2017-09-19 | 2018-07-24 | Gas leak amount detection method and operating method of refrigerating apparatus |
PCT/JP2018/027694 WO2019058748A1 (ja) | 2017-09-19 | 2018-07-24 | ガス漏れ量検知方法及び冷凍装置の運転方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017178636A JP6555311B2 (ja) | 2017-09-19 | 2017-09-19 | ガス漏れ量推定方法及び冷凍装置の運転方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019052819A JP2019052819A (ja) | 2019-04-04 |
JP6555311B2 true JP6555311B2 (ja) | 2019-08-07 |
Family
ID=65811274
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017178636A Active JP6555311B2 (ja) | 2017-09-19 | 2017-09-19 | ガス漏れ量推定方法及び冷凍装置の運転方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200182734A1 (ja) |
EP (1) | EP3686520B1 (ja) |
JP (1) | JP6555311B2 (ja) |
CN (1) | CN111065869B (ja) |
ES (1) | ES2906315T3 (ja) |
WO (1) | WO2019058748A1 (ja) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11231198B2 (en) | 2019-09-05 | 2022-01-25 | Trane International Inc. | Systems and methods for refrigerant leak detection in a climate control system |
US12054922B2 (en) * | 2019-09-30 | 2024-08-06 | Water Harvesting, Inc. | Refrigerator integrated with an atmospheric water harvesting unit, and methods of using thereof |
WO2021106793A1 (ja) * | 2019-11-25 | 2021-06-03 | ダイキン工業株式会社 | 冷媒サイクルシステム |
JP7424870B2 (ja) * | 2020-03-09 | 2024-01-30 | 株式会社Nttファシリティーズ | 空調装置 |
CN111539110B (zh) * | 2020-04-27 | 2023-07-07 | 湖南辉佳环保有限公司 | 疏水阀内漏检测方法、装置、计算机设备及存储介质 |
US11131471B1 (en) | 2020-06-08 | 2021-09-28 | Emerson Climate Technologies, Inc. | Refrigeration leak detection |
US11359846B2 (en) | 2020-07-06 | 2022-06-14 | Emerson Climate Technologies, Inc. | Refrigeration system leak detection |
US11885516B2 (en) | 2020-08-07 | 2024-01-30 | Copeland Lp | Refrigeration leak detection |
JP6927397B1 (ja) * | 2020-09-24 | 2021-08-25 | ダイキン工業株式会社 | 空気調和システムおよびその室内機 |
CN113639401A (zh) * | 2021-07-08 | 2021-11-12 | 青岛海尔空调电子有限公司 | 空调器的冷媒泄漏检测控制方法 |
CN114659232B (zh) * | 2022-05-10 | 2024-03-12 | 长虹美菱股份有限公司 | 一种冰箱及其冷媒泄露检测方法 |
WO2024009394A1 (ja) * | 2022-07-05 | 2024-01-11 | 三菱電機株式会社 | 空気調和機および冷媒漏れ検出方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62228839A (ja) * | 1986-03-31 | 1987-10-07 | 三菱電機株式会社 | 冷凍装置 |
JP2997487B2 (ja) * | 1989-12-13 | 2000-01-11 | 株式会社日立製作所 | 冷凍装置及び冷凍装置における冷媒量表示方法 |
JP3342145B2 (ja) * | 1993-12-28 | 2002-11-05 | 三菱重工業株式会社 | 空気調和装置 |
JP2005201532A (ja) * | 2004-01-15 | 2005-07-28 | Matsushita Electric Ind Co Ltd | 冷凍冷蔵ユニットおよび冷蔵庫 |
CN100516710C (zh) * | 2003-06-27 | 2009-07-22 | 松下电器产业株式会社 | 冷冻冷藏单元及冷藏库 |
JP4396286B2 (ja) * | 2004-01-21 | 2010-01-13 | 三菱電機株式会社 | 機器診断装置および機器監視システム |
JP5762427B2 (ja) * | 2010-10-12 | 2015-08-12 | 三菱電機株式会社 | 空気調和装置 |
JP5759018B2 (ja) * | 2011-12-22 | 2015-08-05 | 三菱電機株式会社 | 冷凍サイクル装置 |
JP6079061B2 (ja) * | 2012-02-06 | 2017-02-15 | ダイキン工業株式会社 | 冷凍装置 |
EP3279580B1 (en) * | 2015-04-03 | 2022-09-07 | Mitsubishi Electric Corporation | Air-conditioning device |
-
2017
- 2017-09-19 JP JP2017178636A patent/JP6555311B2/ja active Active
-
2018
- 2018-07-24 WO PCT/JP2018/027694 patent/WO2019058748A1/ja unknown
- 2018-07-24 US US16/641,441 patent/US20200182734A1/en not_active Abandoned
- 2018-07-24 ES ES18858462T patent/ES2906315T3/es active Active
- 2018-07-24 CN CN201880057993.2A patent/CN111065869B/zh active Active
- 2018-07-24 EP EP18858462.7A patent/EP3686520B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP3686520B1 (en) | 2021-12-22 |
EP3686520A4 (en) | 2020-11-11 |
ES2906315T3 (es) | 2022-04-18 |
CN111065869B (zh) | 2021-03-16 |
WO2019058748A1 (ja) | 2019-03-28 |
JP2019052819A (ja) | 2019-04-04 |
CN111065869A (zh) | 2020-04-24 |
EP3686520A1 (en) | 2020-07-29 |
US20200182734A1 (en) | 2020-06-11 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6555311B2 (ja) | ガス漏れ量推定方法及び冷凍装置の運転方法 | |
JP6475346B2 (ja) | 冷凍サイクル装置 | |
GB2530915B (en) | Air-conditioning apparatus | |
US10247459B2 (en) | Refrigeration cycle apparatus | |
WO2019053880A1 (ja) | 冷凍空調装置 | |
JP5759018B2 (ja) | 冷凍サイクル装置 | |
JP2014190632A (ja) | 空気調和機、および空気調和機の運転方法 | |
JP5808410B2 (ja) | 冷凍サイクル装置 | |
JP6902390B2 (ja) | 冷凍サイクル装置 | |
JP6415703B2 (ja) | 冷凍サイクル装置 | |
EP3658829A1 (en) | Refrigerant composition measurement system | |
JP2020073640A (ja) | 冷凍サイクル装置 | |
JP6765538B2 (ja) | 冷凍装置及び冷凍装置の運転方法 | |
JP6739664B2 (ja) | 冷凍空調装置及び制御装置 | |
JP7058657B2 (ja) | 冷凍空調装置及び制御装置 | |
JP6715918B2 (ja) | 冷凍サイクル装置 | |
JP6393181B2 (ja) | 冷凍サイクル装置 | |
JP5990973B2 (ja) | 空気調和機 | |
JP6590768B2 (ja) | 空気調和機 | |
JP6725639B2 (ja) | 冷凍サイクル装置 | |
WO2021240615A1 (ja) | 冷凍サイクル装置 | |
JP2016223739A (ja) | 冷凍サイクル装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190402 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190530 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20190611 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190624 |
|
R151 | Written notification of patent or utility model registration |
Ref document number: 6555311 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R151 |