Heat exchange system, as well as a method for the operation of a heat exchange system

Abstract

The invention relates to a heat exchange system ( 1 ) including a heat exchanger ( 2 ) with a flow passage ( 210 ) arranged in a flow segment ( 21 ). For the exchange of heat between a transport fluid ( 3 ) and a heat transfer medium ( 4 ) flowing through the flow passage ( 210 ) in the operating state, the transport fluid ( 3 ) can be brought into flowing contact with the heat exchanger ( 2 ) via an inlet area ( 201 ) and can be led away again from the heat exchanger ( 2 ) via an outlet area ( 202 ). In accordance with the invention, for the determination of a degree of contamination (V) of the heat exchanger ( 2 ), a contamination sensor ( 5 ) in the form of a pressure sensor ( 5 ) and/or of a speed sensor ( 5 ) is provided with which a transport parameter (TK) can be determined which is characteristic for the flow of the transport fluid ( 3 ) from the inlet area ( 201 ) via the outlet area ( 202 ). Furthermore, the invention relates to a method for the operation of a heat exchange system ( 1 ).

1 . A heat exchange system including a heat exchanger ( 2 ) with a flow passage ( 210 ) arranged in a flow segment ( 21 ), wherein for the exchange of heat between a transport fluid ( 3 ) and a heat transfer medium ( 4 ) flowing through the flow passage ( 210 ) in the operating state, the transport fluid ( 3 ) can be brought into flowing contact with the heat exchanger ( 2 ) via an inlet area ( 201 ) and can be led away again from the heat exchanger ( 2 ) via an outlet area ( 202 ), characterised in that, for the determination of the degree of contamination (V) of the heat exchanger ( 2 ), a contamination sensor ( 5 ) in the form of a pressure sensor ( 5 ) and/or of a speed sensor ( 5 ) is provided with which a transport parameter (TK) can be determined which is characteristic for the flow of the transport fluid ( 3 ) from the inlet area ( 201 ) via the outlet area ( 202 ). 
     
     
         2 . A heat exchange system in accordance with  claim 1 , wherein a fin ( 6 ) is provided at a flow segment ( 21 ) to increase a heat exchange rate. 
     
     
         3 . A heat exchange system in accordance with  claim 2 , wherein a through flow aperture ( 61 ) is provided at the fin ( 6 ), in particular in the form of a louver ( 61 ). 
     
     
         4 . A heat exchange system in accordance with  claim 1 , wherein at least one heat exchanger ( 2 ) is a micro-passage heat exchanger ( 2 ). 
     
     
         5 . A heat exchange system in accordance with  claim 1 , wherein at least one heat exchanger ( 2 ) is a tube heat exchanger ( 2 ). 
     
     
         6 . A heat exchange system in accordance with  claim 1 , wherein a transport apparatus ( 7 ) is provided, in particular a fan for the transport of the transport fluid ( 3 ) from the inlet area ( 201 ) to the outlet area ( 202 ). 
     
     
         7 . A heat exchange system in accordance with  claim 1 , wherein the transport parameter (TK) is a pressure of the transport fluid ( 3 ), in particular a pressure loss (ΔP) between the inlet area ( 201 ) and the outlet area ( 202 ) of the heat exchanger ( 2 ). 
     
     
         8 . A heat exchange system in accordance with  claim 1 , wherein the transport parameter (TK) is a flow speed of the transport fluid ( 3 ). 
     
     
         9 . A heat exchange system in accordance with  claim 1 , wherein a control unit, in particular a control unit having a data processing unit, is signal connected with a sensor of the heat exchanger ( 2 ) and/or with the transport apparatus ( 7 ) and/or with the contamination sensor ( 5 ) and/or with a heat engine for the control and/or regulation and/or for the purpose of a data collection of an operating or status parameter of the heat exchange system. 
     
     
         10 . A heat exchange system in accordance with  claim 1 , wherein the heat exchange system is a radiator, in particular a radiator for a motor vehicle, especially for a land vehicle, for an aircraft or for a water vehicle, or a radiator, a condenser or a vaporiser for a mobile or stationary heating plant, cooling plant or air conditioning plant, in particular is a cooling device for a machine for a data processing system or for a building. 
     
     
         11 . A method for the operation of a heat exchange system ( 1 ) in accordance with  claim 1 , wherein a transport parameter (TK) is measured and a degree of contamination (V) of a heat exchanger ( 2 ) is determined from the transport parameter (TK). 
     
     
         12 . A method in accordance with  claim 11 , wherein a decrease in pressure (ΔP) is determined from the transport parameter (TK). 
     
     
         13 . A method in accordance with  claim 11 , wherein a decline in a heat transfer performance (PW) of the heat exchanger ( 2 ) pressure is determined from the pressure loss (ΔP). 
     
     
         14 . A method in accordance with  claim 11 , wherein a performance of the transport apparatus ( 7 ), in particular a speed of rotation of the fan ( 7 ), is controlled and/or regulated, in dependence on the degree of contamination of the heat exchanger ( 2 ), and/or wherein a time for a service routine is automatically determined in dependence on the degree of contamination. 
     
     
         15 . A method in accordance with  claim 11 , wherein in an online method, in particular via an intranet or via the interne, operating and/or status data from the heat exchange system ( 1 ) are monitored by a control centre and/or the heat exchange system ( 1 ) is controlled and regulated.