公开(公告)号：EP1535006A1

公开(公告)日：2005-06-01

申请号：EP03735336.4

申请日：2003-07-03

Applicant: Danfoss A/S

Inventor： THYBO, Claus ,  RASMUSSEN, Bjarne, Dindler ,  LAURIDSEN, Steen ,  HELBERG, Vagn

IPC: F25B49/00

CPC classification number: F25B49/005 ,  F25B2500/19 ,  F25B2500/222

Abstract: A method and a device for detecting flash gas in a vapour-compression refrigeration or heat pump system comprising a compressor, a condenser, an expansion device, and an evaporator interconnected by conduits providing a flow path for a refrigerant, by determining a first rate of heat flow of a heat exchange fluid flow across a heat exchanger of the system and a second rate of heat flow of the refrigerant across the heat exchanger, and using the rates of heat flow for establishing an energy balance from which a parameter for monitoring the refrigerant flow is derived, to thereby provide early detection of flash gas with a minimum number of false alarms.

公开(公告)号：WO2004005812A1

公开(公告)日：2004-01-15

申请号：PCT/DK2003/000468

申请日：2003-07-03

Applicant: DANFOSS A/S ,  THYBO, Claus ,  RASMUSSEN, Bjarne, Dindler ,  LAURIDSEN, Steen ,  HELBERG, Vagn

Inventor： THYBO, Claus ,  RASMUSSEN, Bjarne, Dindler ,  LAURIDSEN, Steen ,  HELBERG, Vagn

IPC: F25B49/00

CPC classification number: F25B49/005 ,  F25B2500/19 ,  F25B2500/222

Abstract: A method and a device for detecting flash gas in a vapour-compression refrigeration or heat pump system comprising a compressor, a condenser, an expansion device, and an evaporator interconnected by conduits providing a flow path for a refrigerant, by determining a first rate of heat flow of a heat exchange fluid flow across a heat exchanger of the system and a second rate of heat flow of the refrigerant across the heat exchanger, and using the rates of heat flow for establishing an energy balance from which a parameter for monitoring the refrigerant flow is derived, to thereby provide early detection of flash gas with a minimum number of false alarms.

Abstract translation: 一种用于检测蒸汽压缩式制冷或热泵系统中的闪蒸气体的方法和装置，包括压缩机，冷凝器，膨胀装置和蒸发器，所述压缩机，冷凝器，膨胀装置和蒸发器通过提供用于制冷剂的流动路径的管道互连，通过确定第一速率 热交换流体流过系统的热交换器的热流和制冷剂跨过热交换器的热流的第二速率，并且使用热流量来建立能量平衡，从该能量平衡中监测制冷剂的参数 导出流量，从而提供具有最少数量的假警报的闪速气体的早期检测。

公开(公告)号：EP1535006B1

公开(公告)日：2006-10-18

申请号：EP03735336.4

申请日：2003-07-03

Applicant: Danfoss A/S

Inventor： THYBO, Claus ,  RASMUSSEN, Bjarne, Dindler ,  LAURIDSEN, Steen ,  HELBERG, Vagn

IPC: F25B49/00

CPC classification number: F25B49/005 ,  F25B2500/19 ,  F25B2500/222

Abstract: A method and a device for detecting flash gas in a vapour-compression refrigeration or heat pump system comprising a compressor, a condenser, an expansion device, and an evaporator interconnected by conduits providing a flow path for a refrigerant, by determining a first rate of heat flow of a heat exchange fluid flow across a heat exchanger of the system and a second rate of heat flow of the refrigerant across the heat exchanger, and using the rates of heat flow for establishing an energy balance from which a parameter for monitoring the refrigerant flow is derived, to thereby provide early detection of flash gas with a minimum number of false alarms.