Remote data acquisition system and method
First Claim
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1. An apparatus for servicing a malfunctioning air-conditioning system including an electric motor, said apparatus comprising:
- a first sensor for sensing a first operating parameter of said malfunctioning air-conditioning system;
a second sensor for sensing a second operating parameter of said malfunctioning air-conditioning system;
a third sensor for sensing a motor operating parameter of said malfunctioning air-conditioning system;
a microcontroller in communication with said sensors for receiving a signal from each of said sensors;
a hand held computer in communication with said microcontroller, said computer having a memory containing normal operating parameters for a plurality of air-conditioning systems, said computer being operable to compare said first, second and motor operating parameters with said normal parameters of one of said plurality of air-conditioning systems to diagnose said malfunctioning air-conditioning system.
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Abstract
A data acquisition system and method includes monitoring a cooling system having a refrigerant compressor, evaporator, and condenser, and employs a number of sensors to monitor various operating parameters of the system. A database stores predefined operating parameters for a plurality of cooling systems. The operating parameters are provided to a computer, which compares the provided operating parameters of the monitored cooling system with the predefined operating parameters to provide diagnostic results for the monitored cooling system.
48 Citations
42 Claims
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1. An apparatus for servicing a malfunctioning air-conditioning system including an electric motor, said apparatus comprising:
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a first sensor for sensing a first operating parameter of said malfunctioning air-conditioning system;
a second sensor for sensing a second operating parameter of said malfunctioning air-conditioning system;
a third sensor for sensing a motor operating parameter of said malfunctioning air-conditioning system;
a microcontroller in communication with said sensors for receiving a signal from each of said sensors;
a hand held computer in communication with said microcontroller, said computer having a memory containing normal operating parameters for a plurality of air-conditioning systems, said computer being operable to compare said first, second and motor operating parameters with said normal parameters of one of said plurality of air-conditioning systems to diagnose said malfunctioning air-conditioning system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A method for servicing a malfunctioning air-conditioning system including an electric motor, said method comprising:
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measuring a first operating parameter of said malfunctioning air-conditioning system;
measuring a second operating parameter of said malfunctioning air-conditioning system;
measuring a moor operating parameter of said malfunctioning air-conditioning system;
providing said operating parameters to a hand held computer;
selecting one air-conditioning system from a plurality of air-conditioning systems which is equivalent to said malfunctioning air-conditioning system;
comparing normal operating parameters of said one air-conditioning system with said operating parameters of said malfunctioning air-conditioning system; and
providing a diagnostic result for said comparing step. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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21. A data acquisition system for monitoring a cooling system including a microcontroller, a refrigerant compressor, evaporator, and condenser, said data acquisition system comprising:
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a computer having a memory containing predefined operating parameters and an input for receiving a monitored operating parameter, and in communication with the microcontroller to receive said monitored operating parameter;
a first sensor in communication with the microcontroller and adapted to sense a first operating parameter of the cooling system;
a second sensor in communication with the microcontroller and adapted to sense a second operating parameter of the cooling system; and
a third sensor in communication with the microcontroller and adapted to sense a motor operating parameter of the cooling system;
wherein said monitored operating parameter includes at least one of said first operating parameter, said second operating parameter, and said motor operating parameter, said computer being operable to compare said monitored operating parameter to said predefined operating parameters to diagnose the cooling system. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A method for monitoring a system including a refrigerant compressor, evaporator, and condenser, said method comprising:
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measuring a first operating parameter of the monitored system;
measuring a second operating parameter of the monitored system;
measuring a motor operating parameter of the monitored system;
providing at least one of said first operating parameter, said second operating parameter, and said motor operating parameter to a computer;
selecting a set of predefined operating parameters for a system which is equivalent to the monitored system from a data base including a plurality of predefined operating parameters for systems;
comparing said set of predefined operating parameters with said provided operating parameter of the monitored system; and
providing a diagnostic result for said comparing step. - View Dependent Claims (36, 37, 38, 39, 40, 41, 42)
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Specification