Wireless method for monitoring and controlling food temperature
View Patent ↗A method for controlling refrigeration including a simulated product temperature sensor operable to measure a simulated product temperature from a refrigeration case and a transceiver in communication with said simulated product temperature sensor and operable to wirelessly transmit data. A receiver receives the wirelessly transmitted data and a controller in communication with the receiver controls the refrigeration system based upon the wirelessly transmitted data from the refrigeration case.
1. A method for refrigeration system control, said method comprising:
measuring a simulated product temperature from at least one refrigeration case in a first refrigeration circuit;
wirelessly transmitting said simulated product temperature to a controller; and
electronically controlling an electronic stepper regulator for said first refrigeration circuit to effect said simulated product temperature.
2. The method as defined in claim 1 further comprising determining at least one of a defrost termination temperature, discharge temperature and a suction pressure.
3. The method as defined in claim 1 further comprising:
measuring a second parameter from another refrigeration case in a second refrigeration circuit;
wirelessly transmitting said measured second parameter to said controller; and
electronically controlling a second electronic stepper regulator to effect said second measured parameter.
4. The method as defined in claim 3 wherein said second parameters is selected from the following group: defrost termination temperature, simulated product temperature, air discharge temperature, or suction pressure.
5. The method as defined in claim 3 wherein said second parameter is suction pressure for a compressor rack.
6. The method as defined in claim 5 wherein said controller controls said compressor rack capacity based on said measured second parameters.
7. A method for refrigeration system control, said method comprising:
measuring a first parameter from at least one refrigeration case in a first refrigeration circuit;
wirelessly transmitting said measured first parameter to a controller;
electronically controlling an electronic stepper regulator for said first refrigeration circuit to effect said measured first parameter;
measuring a second parameter from another refrigeration case in a second refrigeration circuit;
wirelessly transmitting said measured second parameter to said controller; and
electronically controlling a second electronic stepper regulator to effect said second measured parameter;
wherein at least one of said first and second parameter is suction pressure for a compressor rack.
8. The method as defined in claim 7 wherein said controller controls said compressor rack capacity based on said measured first and second parameters.
9. The method as defined in claim 7 wherein the other of said first and second parameters is selected from the following group: defrost termination temperature, simulated product temperature, discharge temperature, and suction pressure.