Air conditioning system and initiation control method of the same

Abstract

An air conditioning system includes a plurality of air conditioners to which electric power, temperature detection sensors for respectively detecting interior temperatures in air conditioning regions corresponding to the air conditioners, a temperature storage section for storing control temperatures of the plurality of air conditioners and the detected interior temperatures, a power restoration detection section for detecting that power supply is restored after power interruption, and an initiation timing setting section for, in a case where power restoration is detected, comparing the stored control temperatures with interior temperatures detected after power restoration or before power interruption and stored in the temperature storage section, and setting initiation timings of the air conditioners such that the air conditioner corresponding to the air conditioning region having a larger air conditioning load based on a difference between the temperatures is initiated earlier.

1 . An air conditioning system comprising a plurality of air conditioners to which electric power is supplied from the same power supply, the air conditioning system comprising:
 temperature detection sensors for respectively detecting interior temperatures in air conditioning regions corresponding to the air conditioners;   a temperature storage section for storing control temperatures of the plurality of air conditioners and the interior temperatures detected by the temperature detection sensors;   a power restoration detection section for detecting that power supply is restored after power interruption; and   an initiation timing setting section for, in a case where the power restoration is detected by the power restoration detection section, comparing the control temperatures stored in the temperature storage section respectively for the plurality of air conditioners with the interior temperatures detected after the power restoration or before the power interruption by the temperature detection sensors and stored in the temperature storage section, and setting initiation timings of the air conditioners in such a manner that the air conditioner corresponding to the air conditioning region having a larger air conditioning load based on a difference between the temperatures is initiated earlier.   
     
     
         2 . The air conditioning system according to  claim 1 , wherein the temperature detection sensor is integrated with the air conditioner. 
     
     
         3 . The air conditioning system according to  claim 1 , wherein the temperature detection sensor is provided in the air conditioning region corresponding to the air conditioner as a separate body from the air conditioner. 
     
     
         4 . The air conditioning system according to  claim 1 , wherein the temperature storage section, the power restoration detection section, and the initiation timing setting section are provided in each of the plurality of air conditioners. 
     
     
         5 . The air conditioning system according to  claim 1 , further comprising: a central control device having the temperature storage section, the power restoration detection section, and the initiation timing setting section, wherein the central control device and the air conditioners are connected so as to communicate with each other. 
     
     
         6 . An initiation control method of an air conditioning system comprising a plurality of air conditioners to which electric power is supplied from the same power supply, wherein
 in a case where power supply is restored after power interruption, control temperatures of the air conditioners are compared with interior temperatures after the power restoration or before the power interruption in air conditioning regions corresponding to the air conditioners, and the air conditioner corresponding to the air conditioning region having a larger air conditioning load based on a difference between the temperatures is initiated earlier.   
     
     
         7 . The air conditioning system according to  claim 2 , wherein the temperature storage section, the power restoration detection section, and the initiation timing setting section are provided in each of the plurality of air conditioners. 
     
     
         8 . The air conditioning system according to  claim 3 , wherein the temperature storage section, the power restoration detection section, and the initiation timing setting section are provided in each of the plurality of air conditioners. 
     
     
         9 . The air conditioning system according to  claim 2 , further comprising: a central control device having the temperature storage section, the power restoration detection section, and the initiation timing setting section, wherein the central control device and the air conditioners are connected so as to communicate with each other. 
     
     
         10 . The air conditioning system according to  claim 3 , further comprising: a central control device having the temperature storage section, the power restoration detection section, and the initiation timing setting section, wherein the central control device and the air conditioners are connected so as to communicate with each other.