Air conditioning operating device and air conditioning operating method
An outdoor air temperature information acquisition section acquires the outdoor air temperature, a room temperature information acquisition section that acquires room temperature, an air conditioner state information acquisition section that acquires information on the state of heat exchange type air conditioners and the outdoor air cooler, an estimated value calculating section for room temperature during outdoor air cooling calculating the estimated value for room temperature after switching to the complete outdoor air cooling mode that stops the heat exchange type air conditioner and carries out room temperature control by only increasing or decreasing the effect of the outdoor air cooler from the cooling mode mainly using the heat exchange type air conditioner. An estimated value display section for room temperature during outdoor air cooling, a switching instruction input section receiving the switching operation to complete outdoor air cooling from the occupant and a switching section carrying out switching to the complete outdoor air cooling mode according to the switching instruction.
1. An air conditioning operating device in an air conditioning system using both a heat exchange type air conditioner and an outdoor air cooler, the air conditioning operating device comprising:
an outdoor air temperature information acquisition device acquiring outdoor air temperature measurement values;
a room temperature information acquisition device acquiring room temperature measurement values;
an air conditioner state information acquisition device acquiring information about a state of a heat exchange type air conditioner and a state of the outdoor air cooler;
calculator calculating an estimated value for room temperature during outdoor air cooling and calculating the estimated value for room temperature after switching to a complete outdoor air cooling mode that stops the heat exchange type air conditioner, from a cooling mode mainly using the heat exchange type air conditioner that carries out room temperature control mainly by increasing or decreasing an effect of the heat exchange type air conditioner, and carries out the room temperature control only by increasing or decreasing an effect of the outdoor air cooler, based on a measured value for outdoor air temperature, a measured value for room temperature, information about the state of the heat exchange type air conditioner and information about the state of the outdoor air cooler;
a display displaying the estimated value for room temperature during outdoor air cooling such that an occupant may recognize the estimated value for room temperature; and
a switch switching to the complete outdoor air cooling mode according to results of a determination of whether switching is possible or not based on one or more conditions the occupant has set or switching indicating input by the occupant.
2. The air conditioning operating device according to claim 1 , wherein:
the condition set by the occupant is a switching time for switching to said complete outdoor air cooling mode, and
said switch comprises:
a switching time setting section that receives a setting for the switching time from said occupant; and
an automatic switch carrying out the switching to said complete outdoor air cooling mode when said switching time has been reached.
3. The air conditioning operating device according to claim 1 wherein:
the condition set by the occupant is a switching delay, which is a delay time for switching to said complete outdoor air cooling mode, and
said switch comprises:
a switching delay setting device receiving a setting for the switching delay from said occupant; and
an automatic switch setting a time for switching by adding said switching delay to a time at which said setting for the switching delay is performed, as the time for switching to said complete outdoor air cooling mode, and carrying out switching to said complete outdoor cooling mode when this time for switching has been reached.
4. The air conditioning operating device according to claim 1 wherein:
the conditions set by said occupant are an allowable temperature for a room and an end time for a period of time when said occupant desires the room temperature to be at or lower than the allowable temperature,
said switch comprises:
an end time setting device receiving a setting for said end time from said occupant;
an allowable temperature setting device receiving a setting for said allowable temperature from said occupant; and
an automatic switch setting a switching time to said complete outdoor air cooling mode and carrying out switching to said complete outdoor cooling mode when this switching time is reached with a condition that a temperature equal to or lower than said allowable temperature can be maintained until said end time, based on calculation results of said calculator of the estimated value for room temperature during outdoor air cooling.
5. The air conditioning operating device according to claim 1 wherein:
said calculator calculates said estimated value for room temperature assuming that outdoor air is taken in with a maximum outdoor air damper opening in said complete outdoor air cooling mode.
6. The air conditioning operating device according to claim 1 wherein:
said calculator calculates said estimated value for room temperature by a simulation based on a mathematical formula that successively calculates changes in room temperature for a unit time.
7. The air conditioning operating device according to claim 1 wherein:
said calculator calculates a time constant for changes in room temperature in said complete outdoor air cooling mode and a convergence temperature inside a room assuming that outdoor air is taken in with a maximum outdoor air damper opening, and based on the time constant and the convergence temperature, and calculates said estimated value for room temperature at any given time.
8. An air conditioning operating method using both a heat exchange type air conditioner and an outdoor air cooler, the method comprising the steps of:
an outdoor air temperature information acquisition step acquiring outdoor air temperature measurement values,
a room temperature information acquisition step acquiring room temperature measurement values,
an air conditioner state information acquisition step acquiring information about a state of a heat exchange type air conditioner and a state of the outdoor air cooler,
a calculating step calculating an estimated value for room temperature during outdoor air cooling and calculating the estimated value for room temperature after switching to a complete outdoor air cooling mode that stops the heat exchange type air conditioner, from a cooling mode mainly using the heat exchange type air conditioner that carries out room temperature control mainly by increasing or decreasing an effect of the heat exchange type air conditioner, and carries out the room temperature control only by increasing or decreasing an effect of the outdoor air cooler, based on said measured value for outdoor air temperature, a measured value for room temperature, information about the state of the heat exchange type air conditioner and information about the state of the outdoor air cooler;
a displaying step displaying said estimated value for room temperature during outdoor air cooling such that an occupant may recognize said estimated value for room temperature; and
a switching step switching to said complete outdoor air cooling mode according to results of a determination of whether switching is possible or not based on one or more conditions the occupant has set or switching indicating input by the occupant.
9. The air conditioning operating method according to claim 8 wherein:
the condition set by the occupant is a switching time for switching to said complete outdoor air cooling mode, and
said switching step comprises the steps of:
a switching time setting step receiving a setting for the switching time from said occupant; and
an automatic switching step carrying out the switching to said complete outdoor air cooling mode when said switching time has been reached.
10. The air conditioning operating method according to claim 8 wherein:
the condition set by the occupant is a switching delay, which is a delay time for switching to said complete outdoor air cooling mode,
said switching step comprises the steps of:
a switching delay setting step receiving a setting for the switching delay from said occupant; and
an automatic switching step setting a time for switching by adding said switching delay to a time at which said setting for the switching delay is performed, as the time for switching to said complete outdoor air cooling mode, and carrying out switching to said complete outdoor cooling mode when this time for switching has been reached.
11. The air conditioning operating method according to claim 8 wherein:
the conditions set by said occupant are an allowable temperature for a room; and an end time for a period of time when said occupant desires the room temperature to be at or lower than the allowable temperature,
said switching step comprises the steps of:
an end time setting step receiving a setting for said end time from said occupant; and
an allowable temperature setting step receiving a setting for said allowable temperature from said occupant and
an automatic switching step setting a switching time to said complete outdoor air cooling mode and carrying out switching to said complete outdoor cooling mode when this switching time is reached with a condition that a temperature equal to or lower than said allowable temperature can be maintained until said end time, based on calculation results of said step for calculating the estimated value for room temperature during outdoor air cooling.
12. The air conditioning operating method according to claim 8 wherein:
said calculating step calculates said estimated value for room temperature assuming that outdoor air is taken in with a maximum outdoor air damper opening in said complete outdoor air cooling mode.
13. The air conditioning operating method according to claim 8 wherein:
said calculating step calculates said estimated value for room temperature by a simulation based on a mathematical formula that successively calculates changes in room temperature for a unit time.
14. The air conditioning operating method according to claim 8 wherein:
said calculating step calculates a time constant for changes in room temperature in said complete outdoor air cooling mode and a convergence temperature inside a room assuming that outdoor air is taken in with a maximum outdoor air damper opening, and based on the time constant and the convergence temperature, and calculates said estimated value for room temperature at any given time.