HEAT EXCHANGER CONTROL AND DIAGNOSTIC APPARATUS
First Claim
1. Heat exchanger control and diagnostic apparatus comprisinga heat exchanger havinga primary inlet of a primary heat-transport liquid mounted with a first temperature sensor;
- anda primary outlet of the primary heat-transport liquid mounted with a second temperature sensor,wherein the primary outlet is piped to a pump, the pump comprising a pump impeller connected to a motor, the primary heat-transport liquid being piped by plumbing from the pump impeller to a heat source and from the heat source back to the primary inlet;
a control unit connected to the heat exchanger and the pump and comprising a motor control unit bi-directionally connected to the motor;
the heat exchanger having a secondary inlet for a secondary heat-transport liquid and a secondary outlet ducted to a temperature zone and back to the secondary inlet,the control unit being augmented by a temperature module, the temperature module having a first input connected by a communication channel to an output of the temperature sensor, and a second input connected by a communication channel to an output of the second temperature sensor;
the temperature module having an output for outputting a primary inlet temperature—
connected to one input of a power calculation module, and an output for outputting a primary outlet temperature—
connected to another input of the power calculation module, the power calculation module having a third input connected to a flow estimation module, one input of the flow estimation module being connected to an output of a memory unit, and another input being connected by a bus to an output of the motor control unit;
an output of the power calculation module for outputting a heat flow estimate being connected to one input of a heat flow controller, and another input of the heat flow controller for inputting a heat flow demand—
being connected to an output of an operator unit, and an output of the operator unit being connected to an input of the motor control unit.
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Accused Products
Abstract
A heat exchanger control and diagnostic apparatus includes a heat exchanger having a primary inlet of a primary heat-transport liquid mounted with a first temperature sensor and a primary outlet of the primary heat-transport liquid mounted with a second temperature sensor, wherein the primary outlet is piped to a pump, the pump comprising a pump impeller connected to a motor, the primary heat-transport liquid being piped by plumbing from the pump impeller to a heat source and from the heat source back to the primary inlet, and a control unit connected to the beat exchanger and the pump and comprising a motor control unit bi-directionally connected to the motor. The heat exchanger has a secondary inlet for a secondary heat-transport liquid and a secondary outlet ducted to a temperature zone and back to the secondary inlet, the control unit being augmented by a temperature module, the temperature module having a first input connected by a communication channel to an output of the temperature sensor, and a second input connected by a communication channel to an output of the second temperature sensor, the temperature module having an output for outputting a primary inlet temperature connected to one input of a power calculation module, and an output for outputting a primary outlet temperature connected to another input of the power calculation module, the power calculation module having a third input connected to a flow estimation module, one input of the flow estimation module being connected to an output of a memory unit, and another input being connected by a bus to an output of the motor control unit, an output of the power calculation module for outputting a heat flow estimate being connected to one input of a heat flow controller, and another input of the heat flow controller for inputting a heat flow demand being connected to an output of an operator unit, and an output of the operator unit being connected to an input of the motor control unit.
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Citations
6 Claims
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1. Heat exchanger control and diagnostic apparatus comprising
a heat exchanger having a primary inlet of a primary heat-transport liquid mounted with a first temperature sensor; - and
a primary outlet of the primary heat-transport liquid mounted with a second temperature sensor, wherein the primary outlet is piped to a pump, the pump comprising a pump impeller connected to a motor, the primary heat-transport liquid being piped by plumbing from the pump impeller to a heat source and from the heat source back to the primary inlet; a control unit connected to the heat exchanger and the pump and comprising a motor control unit bi-directionally connected to the motor; the heat exchanger having a secondary inlet for a secondary heat-transport liquid and a secondary outlet ducted to a temperature zone and back to the secondary inlet, the control unit being augmented by a temperature module, the temperature module having a first input connected by a communication channel to an output of the temperature sensor, and a second input connected by a communication channel to an output of the second temperature sensor; the temperature module having an output for outputting a primary inlet temperature—
connected to one input of a power calculation module, and an output for outputting a primary outlet temperature—
connected to another input of the power calculation module, the power calculation module having a third input connected to a flow estimation module, one input of the flow estimation module being connected to an output of a memory unit, and another input being connected by a bus to an output of the motor control unit;an output of the power calculation module for outputting a heat flow estimate being connected to one input of a heat flow controller, and another input of the heat flow controller for inputting a heat flow demand—
being connected to an output of an operator unit, and an output of the operator unit being connected to an input of the motor control unit. - View Dependent Claims (2, 3, 4, 5, 6)
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Specification