Monitoring System for Detecting Low-Charge Condition in a Heat-Exchange System

1 . A monitoring system for detecting a low-charge condition in a heat-exchange system, the heat-exchange system comprising a compressor, the monitoring system comprising:

a. a first set of sensors located at an outlet of the compressor, the first set sensors monitoring a plurality of first parameters; and

b. a processor for determining the low-charge condition based on the plurality of first parameters.

2 . The monitoring system according to claim 1 , wherein the processor further computes a degree of superheat based on the plurality of first parameters.

3 . The monitoring system according to claim 2 , wherein the processor comprises a comparator for ascertaining the low-charge condition, wherein the low-charge condition is ascertained based on a comparison between the degree of superheat and a pre-defined degree of superheat.

4 . The monitoring system according to claim 1 , wherein the plurality of first parameters comprises pressure and temperature at the outlet of the compressor.

5 . The monitoring system according to claim 1 further comprising a second set of sensors for monitoring a plurality of second parameters associated with the heat-exchange system, the plurality of second parameters being used for determining the low-charge condition.

6 . The monitoring system according to claim 5 , wherein the plurality of second parameters is selected from the group comprising a blower speed, a relative humidity, a temperature, and an engine rotation per minute (RPM).

7 . An air-conditioning system comprising:

a. a compressor for compressing a refrigerant;

b. at least one condenser-coil for dissipating heat to environment, the heat being dissipated by the refrigerant in the at least one condenser-coil;

c. at least one expansion-valve for dropping pressure of the refrigerant;

d. at least one evaporator-coil for absorbing the heat from the environment, the heat is being absorbed by the refrigerant in the at least one evaporator-coil;

e. a first set of sensors located at an outlet of the compressor, the first set of sensors measuring a plurality of first parameters; and

f. a processor for determining a low-charge condition in the air-conditioning system based on the plurality of first parameters.

8 . The air-conditioning system according to claim 7 , wherein the processor further calculates a degree of superheat based on the plurality of first parameters.

9 . The air-conditioning system according to claim 8 , wherein the processor comprises a comparator for ascertaining the low-charge condition, wherein the low-charge condition is ascertained based on a comparison between the degree of superheat and a pre-defined degree of superheat.

10 . The air-conditioning system according to claim 7 , wherein the plurality of first parameters comprises pressure and temperature at the outlet of the compressor.

11 . The air-conditioning system according to claim 7 further comprising a second set of sensors for monitoring a plurality of second parameters associated with the air-conditioning system.

12 . The air-conditioning system according to claim 11 , wherein the plurality of second parameters is selected from the group comprising a blower speed, a relative humidity, a temperature, and an engine rotation per minute (RPM).

13 . A method for detecting a low-charge condition in a heat-exchange system, the heat-exchange system comprising a compressor, the method comprising:

a. monitoring a plurality of first parameters, wherein the plurality of first parameters is monitored at an outlet of the compressor;

b. calculating a degree of superheat based on the plurality of first parameters; and

c. ascertaining the low-charge condition based on a comparison between the degree of superheat and a pre-defined degree of superheat.

14 . The method of claim 13 , wherein the plurality of first parameters comprises pressure and temperature at the outlet of the compressor.

15 . The method of to claim 13 further comprising monitoring a plurality of second parameters associated with the heat-exchange system, the plurality of second parameters being used for determining the low-charge condition.

16 . The method of claim 15 , wherein the plurality of second parameters is selected from the group comprising a blower speed, a relative humidity, a temperature, and an engine rotation per minute (RPM).

17 . A method for detecting a low-lube condition in a heat-exchange system, the method comprising:

a. monitoring a plurality of first parameters associated with a lubricating fluid in the heat-exchange system;

b. computing a degree of superheat of the lubricating fluid based on the plurality of first parameters; and

c. ascertaining the low-lube condition based on a comparison between the degree of superheat of the lubricating fluid and a pre-defined degree of superheat.