Refrigeration system and method of operating the same
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25B-049/00
F25B-001/00
출원번호
US-0185227
(2005-07-20)
등록번호
US-7320225
(2008-01-22)
발명자
/ 주소
Street,Norman E.
Sunderland,Ted W.
출원인 / 주소
Hussmann Corporation
대리인 / 주소
Michael Best & Friedrich LLP
인용정보
피인용 횟수 :
17인용 특허 :
108
초록▼
A refrigeration system including a compressor, condenser, valve, and refrigeration branch, all of which is in fluid communication. The refrigeration branch includes an evaporator coil. The refrigeration system further includes a case adapted to be cooled by the evaporator coil, and a system control
A refrigeration system including a compressor, condenser, valve, and refrigeration branch, all of which is in fluid communication. The refrigeration branch includes an evaporator coil. The refrigeration system further includes a case adapted to be cooled by the evaporator coil, and a system controller operable to control one or more aspects of the refrigeration system, and a subsystem controller in communication with the system controller. The subsystem controller is operable to control a subsystem having one of the compressor, condenser, valve, refrigeration branch, and case. The method of operating the refrigeration system includes at the subsystem controller, monitoring a parameter of the subsystem, comparing the monitored parameter with a parameter limit, generating an alarm when the parameter is not within the parameter limit, and communicating the alarm to the system controller.
대표청구항▼
What is claimed is: 1. A method of operating a compressor control module associated with a compressor of a refrigeration system, the compressor control module being adapted to communicate with a system controller operable to control the refrigeration system, the method comprising: at the compressor
What is claimed is: 1. A method of operating a compressor control module associated with a compressor of a refrigeration system, the compressor control module being adapted to communicate with a system controller operable to control the refrigeration system, the method comprising: at the compressor control module, monitoring a parameter of the compressor including obtaining a value for the parameter; comparing the value with a parameter limit; generating an alarm after the value traverses the parameter limit; communicating the alarm to the system controller; replacing the compressor control mofule after generating the alarm; and reconfiguring the system including the replaced compressor control module. 2. A method as set forth in claim 1 wherein the replacing act includes replacing the compressor connected to the compressor control module. 3. A method as set forth in claim 1 wherein the refrigeration system is a commercial refrigeration system. 4. A method as set forth in claim 1 wherein the parameter is selected from the group consisting of discharge pressure high, discharge temperature high, motor current high, oil pressure, and motor temperature. 5. A method as set forth in claim 1 wherein the communicating act includes communicating information related to the alarm to the system controller. 6. A method as set forth in claim 1 wherein the communicating act includes communicating information related to the alarm to the system controller, the information including an identification of the parameter and the value of the parameter. 7. A method as set forth in claim 1 wherein the communicating act includes communicating information related to the alarm to the system controller, the information including an identification of the parameter, the value of the parameter, and a time and date of the alarm. 8. A method as set forth in claim 1 wherein the compressor control module is supported by the compressor. 9. A methof of operating a compressor control module coupled to a compressor of a refrigeration system, the compressor control module including a processor, a memory, and a sensor coupled to the compressor, the refrigeration system comprising a condenser, a valve, and a refrigeration branch having an evaporator coil, all of which being in fluid communication with the compressor, the refrigeration system further having a system controller operable to control one or more aspects of the refrigeration system, the method comprising: at the compressor control module, occasionally receiving instructions from the system controller for operating the compressor; monitoring a parameter of the compressor including obtaining a value for the parameter; comparing the value with a parameter limit; generating an alarm after the value traverses the parameter limeit; communicating the alarm and information relating to the alarm to the system controller; and deactivating the compressor after generating the alarm and prior to receiving further instructions from the system controller. 10. A method as set forth in claim 9 and further comprising: replacing the compressor control module after generating the alarm; and reconfiguring the system including the replaced compressor control module. 11. A method as set forth in claim 10 wherein the replacing act includes replacing the compressor connected to the compressor control module. 12. A method as set forth in claim 9 wherein the information includes an identification of the parameter. 13. A method as set forth in claim 9 wherein the information includes an identification of the parameter and the value for the parameter. 14. A method of operating a compressor control module associated with a compressor of a refrigeration system, the compressor control module being adapted to communicate with a system controller operable to control the refrigeration system, the method comprising: at the compressor control module, monitoring a parameter of the compressor including obtaining a value for the parameter; comparing the value with a parameter limit; generating an alarm after the value traverses the parameter limit; and communicating the alarm to the system controller, including communicating information related to the alarm to the system controller, the information including an identification of the parameter. 15. A method as set forth in claim 14, wherein the information further includes the value of the parameter. 16. A method as set forth in claim 15, wherein the information further includes a time and date of the alarm. 17. A method as set forth in claim 14 wherein the compressor control module is supported by the compressor.
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