Building Energy Management System
First Claim
1. An energy management system for managing consumed energy of a control target device including air conditioners in a building, said energy management system comprising:
- a demand estimation means, which receives a signal indicating used power of the building and estimates used power for every predetermined time;
a demand warning generation means, which receives the demand estimation and then generates a warning; and
a digital control means, which turns the control target device on and off according to a preset program such that surplus load for each predetermined time is reduced.
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Abstract
An energy management system for managing energy such as power consumed in a building in an optimal state to significantly save energy is provided.
A computer control system (200) for controlling the energy management system performs program control as follows. Current date and time are acquired, a control pattern for that time is obtained using a control program, so as to determine whether operation of an air conditioner (186) is to be turned ON or OFF, and then output either an operation instruction or a stop instruction. A control signal is then output from a digital output unit (212) to the air conditioner (186). Thus, the air conditioner (186) temporarily stops operation according to a predetermined pattern for the program control. The current operating state is displayed on a display unit (240) and a remote monitoring unit (270).
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Citations
7 Claims
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1. An energy management system for managing consumed energy of a control target device including air conditioners in a building, said energy management system comprising:
- a demand estimation means, which receives a signal indicating used power of the building and estimates used power for every predetermined time;
a demand warning generation means, which receives the demand estimation and then generates a warning; and a digital control means, which turns the control target device on and off according to a preset program such that surplus load for each predetermined time is reduced. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- a demand estimation means, which receives a signal indicating used power of the building and estimates used power for every predetermined time;
Specification