Central control system of air conditioners and method for operating the same
First Claim
1. A central control system of air conditioners, comprising:
- a plurality of air conditioners, installed in rooms of a building, for providing air conditioning; and
a central control unit, connected to the plurality of air conditioners via a network, for receiving a control command for monitoring and controlling each of the air conditioners, said central control unit adjusting an operating schedule of each of the air conditioners for limiting a total peak power consumption of the plurality of air conditioners in operation below a reference power value, said central control unit controlling an operation of each of the air conditioners based on the adjusted operating schedule.
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Accused Products
Abstract
A central control system includes a plurality of air conditioners and a central control unit connected to the air conditioners over a network. The air conditioners are installed in rooms of a building to provide air conditioning in the rooms. The central control unit receives a control command for monitoring and controlling each of the air conditioners, and adjusts an operating schedule of each of the air conditioners to limit total peak power consumption of the air conditioners in operation below a reference power value. The central control unit controls the operation of each of the air conditioners based on the adjusted operating schedule. When the total peak power consumption exceeds the reference power value, the central control unit prevents the entire air conditioning system from shutting down, which improves stability of the air conditioning system and decreases electricity costs for air conditioning.
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Citations
15 Claims
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1. A central control system of air conditioners, comprising:
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a plurality of air conditioners, installed in rooms of a building, for providing air conditioning; and
a central control unit, connected to the plurality of air conditioners via a network, for receiving a control command for monitoring and controlling each of the air conditioners, said central control unit adjusting an operating schedule of each of the air conditioners for limiting a total peak power consumption of the plurality of air conditioners in operation below a reference power value, said central control unit controlling an operation of each of the air conditioners based on the adjusted operating schedule. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method for operating a central control system of air conditioners, said central control system including a central control unit connected to a plurality of air conditioners via a network, said central control unit being capable of monitoring states of the air conditioners and of controlling operations of the air conditioners, said method comprising the steps of:
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a) comparing a total peak power consumption of a plurality of air conditioners currently in operation with a previously input reference power value;
b), if the compared result at said step a) is that the total peak power consumption exceeds the reference power value, allowing at least one air conditioner selected from the plurality of air conditioners currently in operation to maintain a normal operating mode, and allowing at least one unselected air conditioner in operation, other than the selected air conditioner, to switch to a blowing mode;
c), if an operating time in the operating mode switched at said step b) exceeds a previously input mode change period, updating an operating schedule of each of the air conditioners; and
d) controlling operations of the air conditioners according to the updated operating schedules. - View Dependent Claims (12, 13, 14, 15)
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Specification