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Cooling 13 - Heat Pump
Now we have talked so much about the regulation within cooling systems. Also the integration of an auxiliary heater for coolant, where you can select via App, if only the interior and/or the internal combustion engine is
to be heated. This additional heating is often deliverable from the factory, but also integrable in the vast majority of systems (with more effort).
Can you imagine, that e.g. the refrigeration cycle together with the radiator probably remains in the foreseeable future? No, not only at a hybrid drive, but also case of the pure electric drive. Why? Because in which not
only the electric motor (picture above) has a comfortable temperature to 85°C, but also the batteries one up to 35°C.
And now we go again with at least one pump and the corresponding valves, usually directly electrically triggered, 0-1- or proportional valves, ie with possible partial openings. An important field of the new cooling we still
have forgotten, the heating for the interior. No, the new trend to the seat and steering wheel heating is not enough there. The are favourable only, as long as the interior heating is slow in coming.
However, electric heating is not the actual aim, to old-fashioned and wasteful. Our topic is the heat pump the is already in a house with low energy consumption (see videos). One might describe it as pump, but also as
compressor of an air conditioner. A very small circulation and instead of a capacitor, a heat exchanger, which exchanges the heat generated with the cooling cycle.
1 | 3 coolant pumps |
2 | 2 cut-off valves |
3 | 2 proportional valves |
4 | 3 reversing valves |
5 | Climate blower module |
6 | Heat pump |
A heat pump first of all changes electrical energy into mechanical energy and then generates the heat only via compression and the change of the state of aggregation. The scheme shows instead of heat pump with
heat exchanger to the cooling system a square. In addition, you still would have to imagine left the usual radiator and right the interior heater. Additionally of course, can be installed nor the usual air conditioning with
condenser in front of the radiator and vaporizer prior to the interior heater. 09/15
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