Mitigation State Verification Systems And Methods

Abstract

A mitigation verification system includes: a control module configured to selectively transition a mitigation device of a refrigeration system of a building from a first state to a second state; and a verification module configured to verify and generate an indicator of whether the mitigation device of the refrigeration system transitioned from the first state to the second state based on a change in a parameter of the refrigeration system over a period in response to the transition by the control module.

What is claimed is: 
     
         1 . A mitigation verification system, comprising:
 a control module configured to selectively transition a mitigation device of a refrigeration system of a building from a first state to a second state; and   a verification module configured to verify and generate an indicator of whether the mitigation device of the refrigeration system transitioned from the first state to the second state based on a change in a parameter of the refrigeration system over a period in response to the transition by the control module.   
     
     
         2 . The mitigation verification system of  claim 1  wherein the first state is an OFF state and the second state is an ON state. 
     
     
         3 . The mitigation verification system of  claim 1  wherein the first state is a first speed and the second state is a second speed. 
     
     
         4 . The mitigation verification system of  claim 1  wherein the mitigation device is a blower configured to increase airflow past a heat exchanger of the refrigeration system within the building. 
     
     
         5 . The mitigation verification system of  claim 1  wherein the parameter of the refrigeration system is a temperature of air in a duct within the building measured by a temperature sensor. 
     
     
         6 . The mitigation verification system of  claim 1  wherein the parameter of the refrigeration system is a pressure of air in a duct within the building measured by a pressure sensor. 
     
     
         7 . The mitigation verification system of  claim 1  wherein the parameter of the refrigeration system is a flowrate of air in a duct within the building measured by a flowrate sensor. 
     
     
         8 . The mitigation verification system of  claim 1  wherein the parameter of the refrigeration system is a humidity of air in a duct within the building measured by a humidity sensor. 
     
     
         9 . The mitigation verification system of  claim 1  wherein the parameter of the refrigeration system is a current to a motor of a blower configured to increase airflow past a heat exchanger of the refrigeration system within the building. 
     
     
         10 . A system, comprising:
 the mitigation verification system of  claim 1 ; and   a refrigerant sensor configured to measure an amount of a refrigerant of the refrigerant system in air,   wherein the verification module is configured to disable the refrigerant sensor when the mitigation device is in the ON state.   
     
     
         11 . The system of  claim 10  wherein the refrigerant is classified as at least mildly flammable by at least one governing body. 
     
     
         12 . The system of  claim 10  wherein the control module is configured to selectively transition the mitigation device from the first state to the second state when the amount of the amount of refrigerant of the refrigerant system in air is greater than a predetermined value. 
     
     
         13 . The mitigation verification system of  claim 1  wherein the verification module is configured to generate the indicator that the mitigation device of the refrigeration system transitioned from the first state to the second state when a magnitude of the change in the parameter of the refrigeration system over the period is greater than a predetermined value. 
     
     
         14 . The mitigation verification system of  claim 13  further comprising a thresholds module configured to set the predetermined value to a fixed predetermined value. 
     
     
         15 . The mitigation verification system of  claim 13  further comprising a thresholds module configured to vary the predetermined value. 
     
     
         16 . The mitigation verification system of  claim 13  further comprising a thresholds module configured to set the predetermined value based on an average of X values of the change measured in response to X transitions by the control module. 
     
     
         17 . The mitigation verification system of  claim 1  wherein the verification module configured to verify and generate the indicator of whether the mitigation device of the refrigeration system transitioned from the first state to the second state further based on a second change in a second parameter of the refrigeration system over a second period in response to the transition by the control module. 
     
     
         18 . The mitigation verification system of  claim 18  wherein the verification module configured to verify and generate the indicator of whether the mitigation device of the refrigeration system transitioned from the first state to the second state further based on a third change in a third parameter of the refrigeration system over a third period in response to the transition by the control module. 
     
     
         19 . A verification system, comprising:
 a control module configured to selectively transition a mitigation device of a refrigeration system of a building from a first state to a second state; and   a verification module configured to:
 determine a change in a parameter of the refrigeration system over a predetermined period; 
 determine whether the change is greater than a predetermined value associated with the mitigation device transitioning from the first stat to the second state; and 
 update and indicate a present state of the mitigation device when the change is greater than the predetermined value. 
   
     
     
         20 . A verification method, comprising:
 selectively transitioning a mitigation device of a refrigeration system of a building from a first state to a second state; and   verifying and generating an indicator of whether the mitigation device of the refrigeration system transitioned from the first state to the second state based on a change in a parameter of the refrigeration system over a period in response to the transition by the control module.