System and method for improving charge accuracy by temperature compensation

摘要

A method and charging apparatus for adding refrigerant to an air conditioning system are provided. The method includes calculating a temperature differential by measuring a first temperature of a refrigerant inside of a refrigerant container and measuring a second temperature either at the air conditioning system or the ambient temperature. The method further includes using the temperature differential to calculate a compensation amount of refrigerant to add to a previously determined recommended amount of refrigerant based on the type of air conditioning system being charged.

主权项

1. A method of adding refrigerant to an air conditioning system connected to a refrigerant charging system, the method comprising:
obtaining a recommended amount of refrigerant for the air conditioning system; measuring a first refrigerant temperature with a first temperature sensor, wherein the first temperature sensor is located on or near a refrigerant container of a refrigerant charging system; measuring a second temperature with a second temperature sensor, wherein the second temperature sensor is located on or near the air conditioning system to be charged; determining a compensated amount of refrigerant to be added to the air conditioning system via a set of hose connectors based upon a second temperature differential between the first refrigerant temperature and the second temperature, wherein the compensated amount of refrigerant allows for compensation of refrigerant remaining in the set of hose connectors; and charging the air conditioning system with the compensated amount of refrigerant and the recommended amount of refrigerant.