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US 11,852,388 B2Granted
Heat pump arrangement having a controllable heat exchanger and method for producing a heat pump arrangement
AssigneeEfficient Energy GmbH
InventorsOliver Kniffler, Jürgen Süss
Life of this patent
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Abstract
A heat pump arrangement includes a heat pump device, an evaporator cycle interface for inputting liquid to be cooled into the heat pump device and for outputting cooled liquid out of the heat pump device, a condenser cycle interface for inputting liquid to be heated into the heat pump device and for outputting heated liquid out of the heat pump device, a controllable heat exchanger for controllably coupling the evaporator cycle interface and the condenser cycle interface, and a control for controlling the controllable heat exchanger in dependence on an evaporator cycle temperature in the evaporator cycle interface or a condenser cycle temperature in the condenser cycle interface.
Claims15
A heat pump arrangement, comprising:
- a heat pump device;
- an evaporator cycle interface configured for inputting a liquid to be cooled into the heat pump device and configured for outputting a cooled liquid out of the heat pump device;
- a condenser cycle interface configured for inputting a liquid to be heated into the heat pump device and configured for outputting a heated liquid out of the heat pump device;
- a controllable heat exchanger configured for controllably coupling the evaporator cycle interface and the condenser cycle interface, the controllable heat exchanger comprising a controllable short circuit, wherein the controllable short circuit, when activated, is such that power requirements for the heat pump device are increased compared to power requirements in case of a deactivated controllable short circuit;
- and
- wherein a controller is configured:
- to activate cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when a condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is lower than an evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a first temperature range, wherein the controllable short circuit is deactivated,
- to prevent cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when the condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is higher than the evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a second temperature range, wherein the controllable short circuit is deactivated, and
- to activate the controllable short circuit of the controllable heat exchanger for a third temperature range, wherein the controllable heat exchanger, when the controllable short circuit of the controllable heat exchanger is activated, is configured to heat the liquid to be cooled in the evaporator cycle interface using the liquid to be heated in the condenser cycle interface or using the heated liquid in the condenser cycle interface,
- and wherein the first temperature range comprises first temperatures, wherein the second temperature range comprises second temperatures, and wherein the third temperature range comprises third temperatures, the second temperatures being higher than the first temperatures, and wherein the third temperatures being higher than the second temperatures.
7 more elements
A heat pump system, comprising:
- a region to be cooled;
- a region to be heated;
- and
- a heat pump arrangement comprising:
- a heat pump device;
- an evaporator cycle interface configured for inputting a liquid to be cooled into the heat pump device and configured for outputting a cooled liquid out of the heat pump device;
- a condenser cycle interface configured for inputting a liquid to be heated into the heat pump device and configured for outputting a heated liquid out of the heat pump device;
- a controllable heat exchanger configured for controllably coupling the evaporator cycle interface and the condenser cycle interface, the controllable heat exchanger comprising a controllable short circuit, wherein the controllable short circuit, when activated, is such that power requirements for the heat pump device are increased compared to power requirements in case of a deactivated controllable short circuit;
- and
- a controller configured for controlling the controllable heat exchanger in dependence on an evaporator cycle temperature in the evaporator cycle interface or a condenser cycle temperature in the condenser cycle interface,
- wherein the controller is configured to
- to activate cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when a condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is lower than an evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a first temperature range, wherein the controllable short circuit is deactivated,
- to prevent cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when the condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is higher than the evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a second temperature range, wherein the controllable short circuit is deactivated, and
- to activate the controllable short circuit of the controllable heat exchanger for a third temperature range, wherein the controllable heat exchanger, when the controllable short circuit of the controllable heat exchanger is activated, is configured to heat the liquid to be cooled in the evaporator cycle interface using the liquid to be heated in the condenser cycle interface or using the heated liquid in the condenser cycle interface,
- wherein the evaporator cycle interface is coupled to the region to be cooled, and
- wherein the condenser cycle interface is coupled to the region to be heated.
13 more elements
A method for producing a heat pump arrangement with a heat pump device, comprising:
- inputting a liquid to be cooled into the heat pump device and outputting a cooled liquid out of the heat pump device;
- inputting a liquid to be heated into the heat pump device and outputting a heated liquid out of the heat pump device;
- coupling liquid cooled by a region to be heated in a controllable and thermal manner to the liquid to be cooled via a controllable heat exchanger in dependence on an evaporator cycle temperature comprising a temperature of the liquid to be cooled or the cooled liquid or in dependence on a condenser cycle temperature comprising a temperature of the liquid to be heated or the heated liquid or the liquid cooled by the region to be heated, the controllable heat exchanger comprising a controllable short circuit, wherein the controllable short circuit, when activated, is such that power requirements for the heat pump device are increased compared to power requirements in case of a deactivated controllable short circuit,
- activating cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when a condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is lower than an evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a first temperature range, wherein the controllable short circuit is deactivated,
- preventing cooling of the liquid to be cooled by the liquid to be heated using the controllable heat exchanger when the condenser cycle temperature as sensed by the condenser cycle temperature sensor of the liquid to be heated is higher than the evaporator cycle temperature as sensed by the evaporator cycle temperature sensor of the liquid to be cooled for a second temperature range, wherein the controllable short circuit is deactivated, and
- activating the controllable short circuit of the controllable heat exchanger for a third temperature range, wherein the controllable heat exchanger, when the controllable short circuit of the controllable heat exchanger is activated, is configured to heat the liquid to be cooled in the evaporator cycle interface using the liquid to be heated in the condenser cycle interface or using the heated liquid in the condenser cycle interface.
3 more elements
Dependencies are inferred from the claim text.