Control apparatus, air conditioning system, and control method of air conditioning system

Abstract

A control apparatus (40) controls an air conditioning system including: an internal conditioning machine which takes in air from inside of a target space, adjusts temperature of the air, and then outputs the air to the target space; and an external conditioning machine which takes in air from outside of the target space, adjusts temperature of the air, and then outputs the air to the target space. A setting unit (411) receives input of information regarding comfortability in the target space, and sets a target value for the comfortability. A controlling unit (413) controls both the internal conditioning machine and the external conditioning machine based on the target value set by the setting unit (411).

1 . A control apparatus controlling an air conditioning system including: an internal conditioning machine which operates according to a sensible heat load, takes in air from inside of a target space, adjusts temperature of the air, and then outputs the air to the target space; and an external conditioning machine which operates according to a latent heat load, takes in air from outside of the target space, adjusts temperature of the air, and then outputs the air to the target space, the control apparatus comprising:
 processing circuitry   to receive input of information regarding comfortability which is specified based on at least temperature and humidity, which is comfortability in the target space, and set a target value for the comfortability;   to specify a plurality of combinations of temperature and humidity which satisfy the set target value for the comfortability;   to calculate a sensible heat load and a latent heat load which are required for changing, by targeting each of the plurality of combinations specified, the temperature and the humidity in the target space to temperature and humidity in the target combination;   to calculate, by targeting each of the plurality of combinations, the total electric power required for controlling the temperature and the humidity in the target space to be the temperature and the humidity in the target combination, based on the sensible heat load and the latent heat load which are calculated for the target combination;   to specify a combination where the total electric power calculated is small, among the plurality of combinations; and   to control both the internal conditioning machine and the external conditioning machine so that the temperature and the humidity in the target space become the temperature and the humidity in the combination specified.   
     
     
         2 - 3 . (canceled) 
     
     
         4 . The control apparatus according to  claim 1 ,
 wherein the processing circuitry   calculates the total electric power when ability setting where an electric power consumption is small is adopted from among ability settings of each of the internal conditioning machine and the external conditioning machine for controlling the temperature and the humidity in the target space to be the temperature and the humidity in the target combination, and   controls the internal conditioning machine and the external conditioning machine in the ability setting adopted when the total electric power is calculated.   
     
     
         5 . The control apparatus according to  claim 1 ,
 wherein the comfortability is specified based on temperature, humidity, and another conditions, and   wherein the processing circuitry   specifies the plurality of combinations of temperature, humidity, and another conditions which satisfy the target value,   calculates a sensible heat load and a latent heat load which are required for changing, by targeting each of the plurality of combinations, the temperature and the humidity in the target space to temperature and humidity under another conditions of the target combination,   calculates, by targeting each of the plurality of combinations, the total electric power required for controlling the temperature and the humidity in the target space to be the temperature and the humidity under another conditions of the target combination, based on the sensible heat load and the latent heat load for the target combination, and   controls the internal conditioning machine and the external conditioning machine so that the temperature, the humidity, and another conditions in the target space become the temperature, the humidity, and another conditions in the combination specified.   
     
     
         6 . (canceled) 
     
     
         7 . The control apparatus according to  claim 1 ,
 wherein the processing circuitry, if the temperature and the humidity which realize the specified target value, as compared to the temperature and the humidity in the target space, have:   lower temperature and higher humidity, raises ability of the internal conditioning machine and lowers ability of the external conditioning machine at a time of cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of heating and humidifying operation;   lower temperature and lower humidity, raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation;   higher temperature and lower humidity, lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and raises the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation; and   higher temperature and higher humidity, lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine, and raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the heating and humidifying operation.   
     
     
         8 . An air conditioning system including: an internal conditioning machine which operates according to a sensible heat load, takes in air from inside of a target space, adjusts temperature of the air, and then outputs the air to the target space; an external conditioning machine which operates according to a latent heat load, takes in air from outside of the target space, adjusts temperature of the air, and then outputs the air to the target space; and a control apparatus, the control apparatus comprising:
 processing circuitry   to receive input of information regarding comfortability which is specified based on at least temperature and humidity, which is comfortability in the target space, and set a target value for the comfortability;   to specify a plurality of combinations of temperature and humidity which satisfy the t target value for the comfortability;   to calculate a sensible heat load and a latent heat load which are required for changing, by targeting each of the plurality of combinations specified, the temperature and the humidity in the target space to temperature and humidity in the target combination;   to calculate, by targeting each of the plurality of combinations, the total electric power required for controlling the temperature and the humidity in the target space to be the temperature and the humidity in the target combination, based on the sensible heat load and the latent heat load which are calculated for the target combination;   to specify a combination where the total electric power calculated is small, among the plurality of combinations; and   to control both the internal conditioning machine and the external conditioning machine so that the temperature and the humidity in the target space become the temperature and the humidity in the combination specified.   
     
     
         9 . A control method of an air conditioning system including: an internal conditioning machine which operates according to a sensible heat load, takes in air from inside of a target space, adjusts temperature of the air, and then outputs the air to the target space; and an external conditioning machine which operates according to a latent heat load, takes in air from outside of the target space, adjusts temperature of the air, and then outputs the air to the target space, the control method comprising:
 receiving, by a control apparatus, input of information regarding comfortability which is specified based on at least temperature and humidity, which is comfortability in the target space, and setting a target value for the comfortability;   specifying, by the control apparatus, a plurality of combinations of temperature and humidity which satisfy the target value;   calculating, by the control apparatus, a sensible heat load and a latent heat load which are required for changing, by targeting each of the plurality of combinations, the temperature and the humidity in the target space to temperature and humidity in the target combination;   calculating, by the control apparatus, by targeting each of the plurality of combinations, the total electric power required for controlling the temperature and the humidity in the target space to be the temperature and the humidity in the target combination, based on the sensible heat load and the latent heat load which are calculated for the target combination;   specifying, by the control apparatus, a combination where the total electric power is small, among the plurality of combinations; and   controlling, by the control apparatus, both the internal conditioning machine and the external conditioning machine so that the temperature and the humidity in the target space become the temperature and the humidity in the combination specified.   
     
     
         10 . The control apparatus according to  claim 4 ,
 wherein the comfortability is specified based on temperature, humidity, and another conditions, and   wherein the processing circuitry   specifies the plurality of combinations of temperature, humidity, and another conditions which satisfy the target value,   calculates a sensible heat load and a latent heat load which are required for changing, by targeting each of the plurality of combinations, the temperature and the humidity in the target space to temperature and humidity under another conditions of the target combination,   calculates, by targeting each of the plurality of combinations, the total electric power required for controlling the temperature and the humidity in the target space to be the temperature and the humidity under another conditions of the target combination, based on the sensible heat load and the latent heat load for the target combination, and   controls the internal conditioning machine and the external conditioning machine so that the temperature, the humidity, and another conditions in the target space become the temperature, the humidity, and another conditions in the combination specified.   
     
     
         11 . The control apparatus according to  claim 4 ,
 wherein the processing circuitry, if the temperature and the humidity which realize the specified target value, as compared to the temperature and the humidity in the target space, have:   lower temperature and higher humidity, raises ability of the internal conditioning machine and lowers ability of the external conditioning machine at a time of cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of heating and humidifying operation;   lower temperature and lower humidity, raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation;   higher temperature and lower humidity, lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and raises the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation; and   higher temperature and higher humidity, lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine, and raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the heating and humidifying operation.   
     
     
         12 . The control apparatus according to  claim 5 ,
 wherein the processing circuitry, if the temperature and the humidity which realize the specified target value, as compared to the temperature and the humidity in the target space, have:   lower temperature and higher humidity, raises ability of the internal conditioning machine and lowers ability of the external conditioning machine at a time of cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of heating and humidifying operation;   lower temperature and lower humidity, raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation;   higher temperature and lower humidity, lowers the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the cooling and dehumidifying operation, and raises the ability of the internal conditioning machine and lowers the ability of the external conditioning machine at a time of the heating and humidifying operation; and   higher temperature and higher humidity, lowers the ability of the internal conditioning machine and lowers the ability of the external conditioning machine, and raises the ability of the internal conditioning machine and raises the ability of the external conditioning machine at a time of the heating and humidifying operation.