Device for obtaining heat

Abstract

The invention relates to a device ( 1 ) for obtaining heat, comprising a first brine circuit ( 2 ) in which at least a first brine pump ( 3 ) and at least one heat pump unit ( 40 ) with an outside register ( 5 ) for utilizing heat of the ambient air are arranged, and at least a second brine circuit ( 7 ) in which at least a second brine pump ( 9 ) and at least a solar collector ( 8 ) are arranged, with the second brine circuit ( 7 ) being thermally connected with a heat storage reservoir ( 11 ). In order to cover the largest possible number of operating states and to ensure high thermal efficiency, it is provided that the first and second brine circuit ( 2, 7 ) can be flow-connected with each other via a first valve ( 24 ), preferably a mixing valve.

1 .- 12 . (canceled) 
     
     
         13 . A device for obtaining heat, comprising a first brine circuit in which at least a first brine pump and at least one heat pump unit with an outside register for utilizing heat of the ambient air are arranged, and at least a second brine circuit in which at least a second brine pump and at least a solar collector are arranged, with the second brine circuit being thermally connected with a heat storage reservoir, wherein the first and second brine circuit can be flow-connected with each other via a first valve. 
     
     
         14 . The device according to  claim 13 , wherein the first valve is a mixing valve. 
     
     
         15 . The device according to  claim 13 , wherein the first valve is arranged in the first brine circuit downstream of the outside register and upstream of the heat pump unit. 
     
     
         16 . The device according to  claim 13 , wherein the heat storage reservoir comprises several zones stratified one above the other and partly separated from each other, with the second brine circuit being thermally connected with a bottom zone. 
     
     
         17 . The device according to  claim 16 , wherein the heat storage reservoir comprises three zones. 
     
     
         18 . The device according to  claim 16 , wherein a heating circuit can be connected with a middle zone of the heat storage reservoir. 
     
     
         19 . The device according to  claim 18 , wherein a hot-water conditioning circuit is connected to the heat storage reservoir whose flow line starts from an upper zone of the heat storage reservoir and whose return line opens into the bottom zone of the heat storage reservoir. 
     
     
         20 . The device according to  claim 18 , wherein the heating circuit can be connected with the hot water conditioning circuit via a second valve. 
     
     
         21 . The device according to  claim 20 , wherein the second valve is arranged as a multiple-way valve. 
     
     
         22 . The device according to  claim 18 , wherein the temperature of the heating circuit can be adjusted via a third valve arranged as a mixing valve. 
     
     
         23 . The device according to  claim 13 , wherein a heating circuit can be connected thermally via a heat pump of the heat pump unit with the first brine circuit. 
     
     
         24 . The device according to  claim 16 , wherein a heating circuit can be connected via a connecting line with the bottom zone of the heat storage reservoir. 
     
     
         25 . The device according to  claim 24 , wherein the connecting line opens via at least one nozzle into the bottom zone. 
     
     
         26 . The device according to  claim 25 , wherein the at least one nozzle faces the heat exchanger. 
     
     
         27 . The device according to  claim 24 , wherein the connecting line branches off from the feed line of the heating circuit. 
     
     
         28 . The device according to  claim 24 , wherein the flow through the connecting line can be adjusted via a second valve. 
     
     
         29 . The device according to  claim 28 , wherein the second valve is arranged as a four-way valve. 
     
     
         30 . A method for defrosting a device for obtaining heat, comprising a first brine circuit in which at least a first brine pump and at least one heat pump unit with an outside register for utilizing heat of the ambient air are arranged, and at least a second brine circuit in which at least a second brine pump and at least a solar collector are arranged, with the second brine circuit being thermally connected with a heat storage reservoir, wherein during defrosting operation the first brine circuit is flow-connected with the second brine circuit, wherein the heating circuit is flow-connected via a connecting line with the bottom zone of the heat storage reservoir, and wherein thermal energy from the heating circuit is supplied to the first and second brine circuit via the heat exchanger.